CN120351364A - Energy-storage type multifunctional control device and control system - Google Patents
Energy-storage type multifunctional control device and control systemInfo
- Publication number
- CN120351364A CN120351364A CN202510849448.9A CN202510849448A CN120351364A CN 120351364 A CN120351364 A CN 120351364A CN 202510849448 A CN202510849448 A CN 202510849448A CN 120351364 A CN120351364 A CN 120351364A
- Authority
- CN
- China
- Prior art keywords
- power supply
- energy storage
- unit
- storage type
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering using capacitors as storage or buffering devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application provides an energy storage type multifunctional control device and a control system, which aim to solve the problem that a valve body cannot realize reliable operation under emergency condition due to power supply driving in an automatic valve control technology, wherein a power supply circuit comprises a hybrid energy storage unit, and the hybrid energy storage unit comprises at least two groups of super capacitors connected in parallel and a standby battery unit; the super capacitor is formed by connecting a plurality of super capacitors in parallel to form super capacitor groups, each super capacitor group and the spare battery unit form an independent power supply passage, when the external power supply is judged to be in power failure, the power supply switching unit is preferentially switched to any super capacitor group according to a preset priority, the control unit drives the motor to act according to a preset instruction to realize the operation of the valve body at a designated position under the condition that the external power supply is in power failure, and when the super capacitor groups are not started or the valve body is not completely driven to the designated position, or the voltage of each super capacitor is lower than a nominal value, the spare battery unit supplies power. The application is mainly used in the field of automatic control of pipeline valve bodies.
Description
Technical Field
The invention relates to a pipeline control device, in particular to an energy storage type multifunctional control device and a control system.
Background
In the pipeline system management of petroleum, chemical industry, ships and the like, the adoption of pneumatic, electrohydraulic, pneumatic-hydraulic and other automatic valve control devices has been a technical trend. The emergency cut-off of the valve under the high-risk working condition is a core technical index of the automatic valve control device, and the situation when the external power supply of the system is lost must be considered under the high-risk working condition in general, but the traditional automatic valve control device must rely on electric power for driving.
The conventional solving means usually adopts a redundant standby power supply mode to solve, but in a pipeline system, the valve number is large, the redundant standby power supply demand number is large, the maintenance cost is high, and the redundant standby power supply is not suitable for frequent disassembly and assembly in the oiling industry.
Disclosure of Invention
The application provides an energy storage type multifunctional control device, and aims to solve the problem that a valve body cannot be reliably operated under emergency conditions due to power supply driving in an automatic valve control technology.
The technical scheme is that the electric control system comprises an electric executing mechanism and an electric control system;
The electric control system comprises a power supply circuit, a control circuit and a detection circuit;
the power supply circuit supplies power to the control unit, the detection circuit and the motor;
the control circuit controls the motor to act through the motor driving circuit so as to realize the action of the valve body;
the detection circuit comprises a detection circuit for detecting power supply information of a power supply;
The power supply circuit comprises a hybrid energy storage unit, wherein the hybrid energy storage unit comprises at least two groups of super capacitors connected in parallel and at least one group of standby battery units, each group of super capacitors is formed by connecting a plurality of super capacitors in parallel to form a super capacitor group, and each super capacitor group and the standby battery units form independent power supply paths for an electric control system and an electric motor;
The control unit drives the motor to act according to a preset instruction to realize the operation of the valve body at a designated position under the condition of external power failure;
The super capacitor groups are switched according to a dynamic allocation algorithm, and the switching delay between the groups is less than 500 mu s;
When the super capacitor groups are not started or the valve body is not completely driven to a specified position, or the voltage of each super capacitor is lower than a nominal value, the power supply switching unit is switched to the standby battery unit to supply power.
In the above or some embodiments, the electric actuator includes a motor, a transmission device, and a power output device, where the motor outputs the execution action to the power transmission device via the transmission device, and the power transmission device is linked with the valve body to implement the action of the valve body.
In the above or some embodiments, the power supply circuit includes an external power supply, the hybrid energy storage unit, a power supply switching unit, a power supply management unit and a charging management unit, where each super capacitor group and the output path of the standby battery unit respectively form a power supply branch, each power supply branch is provided with an independent MOSFET switching switch and reverse current protection to form a MOSFET switching matrix, and the main controller of the control circuit controls on-off of each MOSFET switching switch to form the power supply switching unit.
In the above or some embodiments, the remote communication system further comprises a remote communication unit, wherein the remote communication unit comprises a wired communication unit and a wireless communication unit, the wired communication unit is in communication connection with the remote DCS system by adopting an RS485 communication module, and the wireless communication unit is in communication connection with the remote DCS system by adopting a 4G and/or 5G communication module.
In the above or some embodiments, the charging management unit is configured to charge the backup battery unit and each supercapacitor group, and the charging management unit is configured to detect voltages at two ends of the backup battery unit and voltages at two ends of each supercapacitor group, and when the detected obtained voltage is lower than a preset value, start charging until the obtained voltage reaches the preset voltage value.
In the above or some embodiments, each of the energy-storage type multifunctional control devices is in communication connection through the remote communication unit, each of the energy-storage type multifunctional control devices presets an interlocking instruction set for driving the valve body to act, and the designated single or multiple energy-storage type multifunctional control devices implement control on the respective corresponding or designated valve body according to the interlocking instruction set.
In the above or some embodiments, the energy storage type multifunctional control device is further connected with the remote DCS system through the remote communication unit and receives a control command.
In the above or some embodiments, the electric control system further includes an information acquisition circuit including valve body position information, system power supply information, and temperature information acquisition circuit.
When the external power supply fails, the valve body can be operated under an emergency state through the standby power supply and other related control devices or remote control systems, the standby power supply positioned on the body adopts a plurality of groups of super capacitor groups and battery groups to realize system power supply, and due to the characteristics of the super capacitors, when the super capacitors are started to supply power, the valve body can realize quick operation response of 0-200ms, and even if the super capacitor groups fail, the standby battery units can still supply power to the system. When an emergency situation occurs to the adjacent control device, the remote communication unit can be used for reminding the associated control device and triggering the valve body to operate under the emergency situation. The control instructions issued by the remote DCS system or the instruction sets stored in the memories of the control devices can be used for controlling the actions of the valve bodies of the interlocking objects, and the interlocking control objects can be triggered according to the event judgment results to form the interlocking operation of the valve bodies so as to ensure the overall safety of the pipeline system and the reliability of the valve body operation.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the control system of the present invention.
Fig. 3 is a decision logic of the power supply circuit.
Fig. 4 is a circuit diagram of a hybrid energy storage unit according to an embodiment of the invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The energy storage type multifunctional control device comprises an electric executing mechanism and an electric control system. The electric actuating mechanism realizes the action by means of electric power, and then drives the valve body to act, so that the starting, closing or opening control of the valve body is realized. The electric control system is used for providing control signals and electric power support to realize control.
In the above or some embodiments, as shown in fig. 1, the electric actuator includes an electric motor, a transmission device, and a power output device, and the electric motor outputs the execution motion to the power transmission device via the transmission device. The motor is fixedly arranged in the middle of the shell, and the middle and the upper part of the shell are provided with spaces for installing circuit components of an electric control system, such as a printed circuit board and a super capacitor group. The transmission device is fixedly arranged at the output shaft end of the motor, and adopts a planetary gear reducer of the applicant, as described in patent documents of application number CN201820136140.5, application number CN201820136776.X, application number CN201820136118.0 and the like, the lower end of the transmission device is in transmission connection with a rotation control shaft of the valve body through a power output shaft, so that the action control of the valve body is realized.
Of course, in order to provide auxiliary functions, such as meeting the use under flammable and explosive environments, the motor may employ an explosion-proof motor, and the housing may be designed and installed using explosion-proof class requirements, such as providing an explosion-proof cable isolation cavity, terminal isolation, etc. For the display of the system operating conditions, a display screen can be arranged outside the shell for displaying the current valve body position information, current and voltage information, internal temperature information and the like.
The electric control system comprises a power supply circuit, a control circuit and a detection circuit. The power supply circuit supplies power to the control unit, the detection circuit and the motor, the control circuit controls the motor to act through the motor driving circuit to realize the valve body action, and the detection circuit comprises a detection circuit for detecting power supply information of the power supply.
The power supply circuit comprises an external power supply, a hybrid energy storage unit, a power supply switching unit, a power supply management unit and a charging management unit, wherein the external power supply, each super capacitor group and the output passage of the standby battery unit form a power supply branch respectively. The external power supply in the external power supply branch depends on the commercial power (220V) or wind energy and solar energy system to realize the power supply to the internal system, so that the energy acquisition under the working condition that no commercial power supply or solar energy and wind energy resources are better can be solved.
In order to prevent the electric actuator from being unable to operate when the external power supply fails, the hybrid energy storage unit is adopted inside the device. In the above or some embodiments, the hybrid energy storage unit comprises two groups of super capacitors connected in parallel and at least one group of standby battery units, wherein each group of super capacitors is formed by connecting a plurality of super capacitors in parallel to form a super capacitor group, and the super capacitor group can realize short-time high-power output under the condition of failure of an external power supply and realize emergency operation of the valve body. The super capacitor groups and the standby battery units form independent power supply paths for the electric control system and the motor, and the power supply control system comprises a power supply switching unit for switching a power supply circuit, wherein the power supply switching unit is used for switching to any super capacitor group according to preset priority when judging that an external power supply is out of power according to an external power supply voltage threshold condition, the super capacitor groups are switched among each other according to a dynamic allocation algorithm, when the power supply super capacitor group is lower than 60% of a nominal voltage, the super capacitor group is switched to the other super capacitor group to supply power, and the inter-group switching delay is less than 500 mu s.
When the super capacitor groups are not started or the valve body is not completely driven to a specified position, or the voltages of the super capacitors are lower than the nominal value, the power supply switching unit is switched to the standby battery unit to supply power. Whether the valve body is driven to the designated position or not is measured and fed back to the control unit by the encoder. The control unit drives the motor to act according to a preset instruction to realize the operation of the valve body at the designated position under the condition that the external power supply is powered off. In the above or some embodiments, the control unit is communicatively connected to the remote DCS system via a remote communication unit, including a wired communication unit and a wireless communication unit. The wired communication unit is in communication connection with the remote DCS system by adopting an RS485 communication module, the wireless communication unit is in communication connection with the remote DCS system by adopting a 4G and/or 5G communication module, and the RS485 communication module can adopt a TD301D485H-A transceiver module.
In the above or some embodiments, each power supply branch is provided with an independent MOSFET switch and reverse current protection to form a MOSFET switch matrix, and the main controller of the control circuit controls on-off of each MOSFET switch to form the power supply switching unit.
In the above or some embodiments, the charging management unit is configured to charge the backup battery unit and each supercapacitor group, and the charging management unit is configured to detect voltages at two ends of the backup battery unit and voltages at two ends of each supercapacitor group, and when the detected obtained voltage is lower than a preset value, start charging until the obtained voltage reaches the preset voltage value. In a specific embodiment, a TPS2412 chip can be used as switching control of redundant power supplies, each power supply branch outputs to a power bus, each TPS2412 chip detects voltages of each power supply output input end and output end, and MOSFET conduction at each power supply branch is realized through an internal comparator to realize power supply. Of course, the switching between the super capacitor groups can also be realized through an LTC4416 chip, and the power supply is realized by determining the conduction of the Group1 MOSFET and the Group2MOSFET through the control signals input by the E1 end and the E2 end.
In pipeline system management such as petroleum, chemical industry, ship, etc., valve body action often needs interlocking reaction, and when encountering emergency, it is likely that a plurality of that need operate the valve body involves, and information such as the timing sequence of each valve body operation is confirmed through setting for the chain reaction valve body list that the incident triggered at this moment, when confirming that the incident appears, can trigger the valve body operation instruction set under the emergency by oneself. In order to meet the above implementation scheme, in the above or some embodiments, each of the energy-storage type multifunctional control devices is in communication connection through the remote communication unit, each of the energy-storage type multifunctional control devices presets an interlocking instruction set for driving the valve body to act, and a single or a plurality of energy-storage type multifunctional control devices are designated to control the corresponding or designated valve body according to the interlocking instruction set. The energy-storage type multifunctional control device is also connected with the remote DCS system through the remote communication unit and receives control instructions. Of course, the remote communication unit also collects valve body position information, system power supply information, temperature information and the like through the information collecting circuit and transmits the information to the remote DCS system.
When the external power supply fails, the valve body can be operated under an emergency state through the standby power supply and other related control devices or remote control systems, the standby power supply positioned on the body adopts a plurality of groups of super capacitor groups and battery groups to realize system power supply, and due to the characteristics of the super capacitors, when the super capacitors are started to supply power, the valve body can realize quick operation response of 0-200ms, and even if the super capacitor groups fail, the standby battery units can still supply power to the system. When an emergency situation occurs to the adjacent control device, the remote communication unit can be used for reminding the associated control device and triggering the valve body to operate under the emergency situation. The control instructions issued by the remote DCS system or the instruction sets stored in the memories of the control devices can be used for controlling the actions of the valve bodies of the interlocking objects, and the interlocking control objects can be triggered according to the event judgment results to form the interlocking operation of the valve bodies so as to ensure the overall safety of the pipeline system and the reliability of the valve body operation.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510849448.9A CN120351364A (en) | 2025-06-24 | 2025-06-24 | Energy-storage type multifunctional control device and control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510849448.9A CN120351364A (en) | 2025-06-24 | 2025-06-24 | Energy-storage type multifunctional control device and control system |
Publications (1)
| Publication Number | Publication Date |
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| CN120351364A true CN120351364A (en) | 2025-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202510849448.9A Pending CN120351364A (en) | 2025-06-24 | 2025-06-24 | Energy-storage type multifunctional control device and control system |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201494980U (en) * | 2009-10-09 | 2010-06-02 | 贵州大学 | Elevator power failure protection device based on supercapacitor energy storage |
| CN203516922U (en) * | 2013-09-27 | 2014-04-02 | 珠海艾迪西软件科技有限公司 | Automatic switch of valve |
| KR101407991B1 (en) * | 2014-05-02 | 2014-07-02 | 주식회사 은하 | Emergency valve actuater driver using super capacitor |
| US20150295453A1 (en) * | 2014-04-11 | 2015-10-15 | Thomas & Betts International, Llc | Power supply for faulted circuit indicator |
| CN205504129U (en) * | 2016-03-18 | 2016-08-24 | 台州通禾流体控制设备有限公司 | Automatic valve control device |
| CN111404261A (en) * | 2020-04-26 | 2020-07-10 | 鞍山拜尔自控有限公司 | Standby power supply control device of electro-hydraulic actuator |
| CN113719653A (en) * | 2021-09-29 | 2021-11-30 | 浙江澳翔自控科技有限公司 | Valve control system |
-
2025
- 2025-06-24 CN CN202510849448.9A patent/CN120351364A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201494980U (en) * | 2009-10-09 | 2010-06-02 | 贵州大学 | Elevator power failure protection device based on supercapacitor energy storage |
| CN203516922U (en) * | 2013-09-27 | 2014-04-02 | 珠海艾迪西软件科技有限公司 | Automatic switch of valve |
| US20150295453A1 (en) * | 2014-04-11 | 2015-10-15 | Thomas & Betts International, Llc | Power supply for faulted circuit indicator |
| KR101407991B1 (en) * | 2014-05-02 | 2014-07-02 | 주식회사 은하 | Emergency valve actuater driver using super capacitor |
| CN205504129U (en) * | 2016-03-18 | 2016-08-24 | 台州通禾流体控制设备有限公司 | Automatic valve control device |
| CN111404261A (en) * | 2020-04-26 | 2020-07-10 | 鞍山拜尔自控有限公司 | Standby power supply control device of electro-hydraulic actuator |
| CN113719653A (en) * | 2021-09-29 | 2021-11-30 | 浙江澳翔自控科技有限公司 | Valve control system |
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