CN209841974U - Energy storage loop real-time monitoring device - Google Patents
Energy storage loop real-time monitoring device Download PDFInfo
- Publication number
- CN209841974U CN209841974U CN201822091366.0U CN201822091366U CN209841974U CN 209841974 U CN209841974 U CN 209841974U CN 201822091366 U CN201822091366 U CN 201822091366U CN 209841974 U CN209841974 U CN 209841974U
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- China
- Prior art keywords
- energy storage
- current transformer
- limit switch
- storage motor
- central processing
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Abstract
The utility model provides a real-time monitoring device of an energy storage loop, wherein a first end of an energy storage motor is connected with a first end of a normally open contact of a limit switch, a second end of the energy storage motor is connected with a zero line, and a second end of the normally open contact of the limit switch is connected with a live wire; the Hall current transformer is connected between the first end of the energy storage motor and the first end of the normally open contact of the limit switch, the Hall current transformer is connected with the A/D conversion module, the A/D conversion module is connected with the central processing unit, the central processing unit is connected with the communication module, and the communication module is connected with the upper computer. Based on the utility model discloses an energy storage circuit real time monitoring device installs a current transformer in the energy storage motor return circuit, and current transformer links to each other with AD conversion module, when treating fortune dimension personnel to patrol and examine, if discovery current signal is unusual, then informs the technical staff to maintain the energy storage motor.
Description
Technical Field
The utility model relates to an energy storage circuit field, in particular to energy storage circuit real time monitoring device.
Background
The energy storage loop is a control loop of an energy storage motor in 10kV complete set of switch equipment and is an execution loop of the energy storage motor running after the switch is closed. Therefore, the health state of the energy storage loop has important significance for the circuit breaker to complete energy storage according to requirements and normally perform opening and closing actions.
At present, the process of controlling an energy storage motor by an energy storage loop of a mainstream 10kV complete set of switch equipment is as follows: the on-off of the energy storage motor is controlled through the position switch, and energy storage is achieved. The control logic is as follows: after the energy storage spring releases energy, the position switch is closed, the energy storage motor runs, and the energy storage spring is compressed. After the switching device finishes energy storage, the position switch disconnects the energy storage loop, and the energy storage loop is powered off.
In practical application, due to the lack of monitoring measures for the energy storage circuit, insulation degradation, switch adhesion, armature short circuit and other conditions of equipment in the energy storage circuit, especially an energy storage motor, occur under the conditions of long-term operation, mechanical interference, unstable voltage and the like. Short circuiting of the armature of the stored energy motor has become one of the frequent faults of circuit breakers. Therefore, the energy storage loop is monitored in real time, and the method has important significance for prolonging the service life of the motor, reducing power grid faults and improving the stability of the power grid.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an energy storage circuit real time monitoring device, through installing a current transformer in the energy storage motor return circuit, current transformer links to each other with the AD conversion module of singlechip, changes the analog signal of electric current into the digital signal, passes to the host computer through communication module, when waiting to move the dimension personnel and patrol and examine, if the discovery current signal is unusual, then informs the technical staff and maintains the energy storage motor.
An embodiment of the utility model provides an energy storage circuit real time monitoring device, include: energy storage circuit, AD conversion module, central processing unit, communication module and host computer, wherein, energy storage circuit includes: the device comprises a Hall current transformer, an energy storage motor and a limit switch;
the first end of the energy storage motor is connected with the first end of the normally open contact of the limit switch, the second end of the energy storage motor is connected with a zero line, and the second end of the normally open contact of the limit switch is connected with a live wire; the Hall current transformer is connected between the first end of the energy storage motor and the first end of the normally open contact of the limit switch, the Hall current transformer is connected with the A/D conversion module, the A/D conversion module is connected with the central processing unit, the central processing unit is connected with the communication module, and the communication module is connected with the upper computer.
Preferably, the communication protocol between the upper computer and the communication module is RS485 communication.
Preferably, the chip model of the central processing unit is MK10DN512ZVLL 10.
Preferably, the method further comprises the following steps: a storage unit;
the storage unit is connected with the central processing unit.
Preferably, the upper computer is a touch screen.
Preferably, the method further comprises the following steps: a UPS (uninterrupted power supply);
the UPS is consistent with the voltages between the live wire and the zero wire.
Based on the utility model discloses an energy storage circuit real time monitoring device, through installing a current transformer in the energy storage motor return circuit, current transformer links to each other with the AD conversion module of singlechip, changes the analog signal of electric current into the digital signal, passes to the host computer through communication module, when waiting to move the dimension personnel and patrol and examine, if the discovery current signal is unusual, then informs the technical staff and maintains the energy storage motor.
Drawings
Fig. 1 is a schematic structural diagram of a real-time monitoring device for an energy storage circuit according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an energy storage motor circuit according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1 and 2, an embodiment of the present invention provides a real-time monitoring apparatus for an energy storage loop, including an energy storage loop 05, an a/D conversion module 06, a central processing unit 01, a communication module 02 and an upper computer 03, wherein the energy storage loop 05 includes: the device comprises a Hall current transformer CT, an energy storage motor M and a limit switch S;
the first end of the energy storage motor M is connected with the first end of a normally open contact of the limit switch S, the second end of the energy storage motor M is connected with a zero line, and the second end of the normally open contact of the limit switch S is connected with a live wire; hall current transformer CT connect in energy storage motor M 'S first end with between limit switch S' S the normally open contact first end, Hall current transformer CT with AD conversion module 06 links to each other, AD conversion module 06 with central processing unit 01 links to each other, central processing unit 01 with communication module 02 links to each other, communication module 02 with host computer 03 links to each other.
Preferably, the chip model of the central processing unit 01 is MK10DN512ZVLL 10.
Preferably, the method further comprises the following steps: a storage unit 07; the storage unit 07 is connected to the central processing unit 01.
Preferably, the upper computer 03 is a touch screen.
Through hall current transformer CT acquires the electric current in the energy storage motor M return circuit, links into at the secondary side central processing unit's AD conversion module turns into digital signal with analog signal, through communication module 02 will digital signal reaches host computer 03 and memory cell 07, memory cell 07 unit can be stored historical current signal, and host computer 03 is the touch-sensitive screen, can read the record of duration on the touch-sensitive screen, and when fortune dimension personnel found that current signal exists unusually, the notice technical staff was right energy storage motor M maintains.
In a 10kV complete set of switch equipment, an energy storage motor M is a power source of the switch equipment, an energy storage spring is stored with energy through the energy storage motor M, the on-off of the energy storage motor M is controlled by a limit switch S in an energy storage motor M circuit of the 10kV complete set of switch equipment, the limit switch S is in an off state when the energy storage spring does not store energy, the energy storage spring releases energy after the closing of a 10kV loop disconnecting link is completed, the limit switch S acts to a closed state, a loop of the energy storage motor M is switched on, the energy storage motor M starts to operate, and when the energy storage is completed, the limit switch S is switched off, and the energy storage motor M stops operating.
The limit switch S can be adhered under the condition of long service time, the longer the service time is, the longer the adhesion time is, the Hall current transformer CT is also used for monitoring the electrifying time of the loop, when operation and maintenance personnel check historical on-off time on the touch screen, if the stored energy is found to be completed, the off time of the limit switch S is too long, the technical personnel are informed to maintain the circuit.
Preferably, the communication protocol between the upper computer 03 and the communication module 02 is RS485 communication.
The RS485 protocol is adopted for communication, and the shielding twisted pair is adopted for the circuit, so that distributed capacitance generated between two 485 communication lines and common-mode interference generated around the communication lines are effectively reduced and eliminated.
Preferably, the method further comprises the following steps: a UPS (uninterrupted power supply);
the UPS is consistent with the voltages between the live wire and the zero wire.
And a UPS (uninterrupted power supply) is arranged in the loop to be standby during power failure, and the voltage of the UPS is consistent with the voltage between the live wire and the zero wire, so that the energy storage motor M is ensured to run under the rated power.
Based on the utility model discloses an energy storage circuit real time monitoring device, through installing a current transformer in the energy storage motor return circuit, current transformer links to each other with the AD conversion module of singlechip, changes the analog signal of electric current into the digital signal, passes to the host computer through communication module, when waiting to transport the dimension personnel to patrol and examine, if the discovery current signal is unusual, then informs the technical staff and maintains the energy storage motor.
Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.
Claims (6)
1. An energy storage circuit real-time monitoring device, comprising: energy storage circuit, AD conversion module, central processing unit, communication module and host computer, wherein, energy storage circuit includes: the device comprises a Hall current transformer, an energy storage motor and a limit switch;
the first end of the energy storage motor is connected with the first end of the normally open contact of the limit switch, the second end of the energy storage motor is connected with a zero line, and the second end of the normally open contact of the limit switch is connected with a live wire; the Hall current transformer is connected between the first end of the energy storage motor and the first end of the normally open contact of the limit switch, the Hall current transformer is connected with the A/D conversion module, the A/D conversion module is connected with the central processing unit, the central processing unit is connected with the communication module, and the communication module is connected with the upper computer.
2. The device for monitoring the energy storage loop in real time as claimed in claim 1, wherein the communication protocol between the upper computer and the communication module is RS485 communication.
3. The device as claimed in claim 1, wherein the chip type of the cpu is MK10DN512ZVLL 10.
4. The device for real-time monitoring of an energy storage loop according to claim 1, further comprising: a storage unit;
the storage unit is connected with the central processing unit.
5. The device for monitoring the energy storage loop in real time as claimed in claim 1, wherein the upper computer is a touch screen.
6. The device for real-time monitoring of an energy storage loop according to claim 1, further comprising: a UPS (uninterrupted power supply);
the UPS is consistent with the voltages between the live wire and the zero wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091366.0U CN209841974U (en) | 2018-12-13 | 2018-12-13 | Energy storage loop real-time monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822091366.0U CN209841974U (en) | 2018-12-13 | 2018-12-13 | Energy storage loop real-time monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209841974U true CN209841974U (en) | 2019-12-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822091366.0U Expired - Fee Related CN209841974U (en) | 2018-12-13 | 2018-12-13 | Energy storage loop real-time monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209841974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485664A (en) * | 2020-11-27 | 2021-03-12 | 国网宁夏电力有限公司电力科学研究院 | High-voltage circuit breaker diagnosis system and method, electronic terminal and storage medium |
-
2018
- 2018-12-13 CN CN201822091366.0U patent/CN209841974U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112485664A (en) * | 2020-11-27 | 2021-03-12 | 国网宁夏电力有限公司电力科学研究院 | High-voltage circuit breaker diagnosis system and method, electronic terminal and storage medium |
| CN112485664B (en) * | 2020-11-27 | 2022-08-09 | 国网宁夏电力有限公司电力科学研究院 | High-voltage circuit breaker diagnosis system and method, electronic terminal and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 Termination date: 20211213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |