CN211426740U - Power module state self-diagnosis device of distribution network automation terminal - Google Patents

Power module state self-diagnosis device of distribution network automation terminal Download PDF

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Publication number
CN211426740U
CN211426740U CN201922107864.4U CN201922107864U CN211426740U CN 211426740 U CN211426740 U CN 211426740U CN 201922107864 U CN201922107864 U CN 201922107864U CN 211426740 U CN211426740 U CN 211426740U
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China
Prior art keywords
power module
module
automation terminal
diagnosis device
distribution network
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CN201922107864.4U
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Chinese (zh)
Inventor
李浪宏
陈源君
黄羽
曾祥星
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Guangdong Power Grid Co Ltd
Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangdong Power Grid Co Ltd
Heyuan Power Supply Bureau of Guangdong Power Grid Co Ltd
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Abstract

The utility model relates to a power equipment technical field specifically discloses a distribution network automation terminal power module state self-diagnosis device, include: the power module is electrically connected with the power supply module and is used for monitoring the electrical parameters of the power supply module; a display module; and the control module is respectively electrically connected with the power module and the display module and is used for processing the electrical parameters and displaying the electrical parameters on the display module. The utility model provides a distribution network automation terminal power module state is from diagnostic device, the running state that can audio-visual show power module is favorable to fortune dimension personnel in time to discover trouble and unusual, improves and patrols and examines efficiency.

Description

Power module state self-diagnosis device of distribution network automation terminal
Technical Field
The utility model relates to a power equipment technical field especially relates to a distribution network automation terminal power module state self-diagnosis device.
Background
In recent years, with the construction development and the continuous deepening of the transformation project of the distribution network automation, the scale of domestic distribution network equipment is continuously enlarged. Due to the reasons of technology, management, manpower, material resources and the like, the daily operation and maintenance work of the current distribution network equipment faces a plurality of problems. According to operation and maintenance experience, in practical use, on one hand, the lithium battery is greatly damaged due to overcharge, overdischarge and the like, and on the other hand, the power supply needs to be carried for a long time to operate in a severe outdoor environment, so that the aging speed of the equipment is accelerated; therefore, the power failure rate of the distribution network automation terminal is very high, although the common distribution network automation terminal power module can complete basic functions of charging, power supply, voltage conversion and the like, the display module which displays the running state of the power module is not provided, and operation and maintenance personnel are difficult to find that the power module fails in time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a distribution network automation terminal power module state is from diagnostic device, can audio-visual show power module's running state, is favorable to fortune dimension personnel in time to discover trouble and unusual, improves and patrols and examines efficiency.
For reaching above purpose, the utility model provides a distribution network automation terminal power module state is from diagnostic device, include:
the power module is electrically connected with the power supply module and is used for monitoring the electrical parameters of the power supply module;
a display module;
and the control module is respectively electrically connected with the power module and the display module and is used for processing the electrical parameters and displaying the electrical parameters on the display module.
Preferably, the power module includes a current measuring circuit for detecting a float current and a direct current of the power module and a voltage measuring circuit for detecting a float voltage and a direct voltage of the power module.
Preferably, the control module comprises a central processor for processing the electrical parameters, a memory for storing the electrical parameters, a plurality of communication interfaces for transmitting data, and a timer for timing.
Preferably, the control module is a micro single chip microcomputer.
Preferably, the power module is a storage battery, the power module further comprises a charging circuit, an input end of the charging circuit is electrically connected with the alternating current power supply, and an output end of the charging circuit is electrically connected with the storage battery.
Preferably, the electrical parameter further includes an internal resistance of the battery, and the power module further includes an internal resistance measurement circuit for detecting the internal resistance of the battery.
Preferably, the display module comprises a liquid crystal display for displaying the electrical parameter.
Preferably, the display module comprises a warning device.
Preferably, the warning device is a warning lamp or a buzzer.
The beneficial effects of the utility model reside in that: on one hand, the power module is electrically connected with the power module constantly, so that the on-line monitoring of electrical parameters can be realized, power failure operation is not needed, and the stable operation of a power grid can be ensured; on the other hand, the relevant electrical parameters of the power module can be displayed through the display module, and the operation and maintenance personnel can know the current operation condition of the power module only by observing the relevant parameters, so that the method is simple and efficient, and is favorable for improving the working efficiency of the inspection personnel.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a block diagram of a power module state self-diagnosis device of a distribution automation terminal according to an embodiment.
In the figure:
1. a power module; 101. an input/output detection circuit; 102. a charging circuit; 103. an internal resistance measuring circuit; 104. a communication serial port;
2. a display module;
3. and a control module.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are clearly and completely described with reference to the drawings in the embodiments of the present invention, and obviously, the embodiments described below are only 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 efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1, the present embodiment provides a self-diagnosis device for a power module state of a distribution network automation terminal, which includes a power module 1, a display module 2, and a control module 3. The power module 1 is electrically connected with the power module and used for monitoring the electrical parameters of the power module. The control module 3 is electrically connected with the power module 1 and the display module 2, and is configured to process the electrical parameters and display the electrical parameters on the display module 2.
According to the state self-diagnosis device for the power module of the distribution network automation terminal, on one hand, the power module 1 is electrically connected with the power module constantly, so that the on-line monitoring of electrical parameters can be realized, the power failure operation is not needed, and the stable operation of a power grid can be ensured; on the other hand, the relevant electrical parameters of the power module can be displayed through the display module 2, and the operation and maintenance personnel can know the current operation condition of the power module only by observing the relevant parameters, so that the method is simple and efficient, and is beneficial to improving the working efficiency of the inspection personnel.
Optionally, the power module 1 includes a current measuring circuit for detecting the float current and the direct current of the power module and a voltage measuring circuit for detecting the float voltage and the direct voltage of the power module. In this embodiment, the current measuring circuit and the voltage measuring circuit are collectively referred to as a battery input/output detection circuit 101.
It can be understood that the floating charging current, the floating charging voltage, the direct current and the direct voltage are monitored in all directions, so that the operation condition of the power supply module in various states can be mastered, and the comprehensive monitoring of the power supply module is realized.
In this embodiment, the control module 3 includes a central processing unit for processing the electrical parameters, a memory for storing the electrical parameters, a plurality of communication interfaces for transmitting data, and a timer for timing. Preferably, the control module 3 is a micro single chip microcomputer.
Specifically, the single chip microcomputer is small in size, low in cost and high in economic benefit.
Optionally, the power module is a storage battery, the power module 1 further includes a charging circuit 102, an input end of the charging circuit 102 is electrically connected to the ac power supply, and an output end of the charging circuit 102 is electrically connected to the storage battery.
It can be understood that the charging circuit 102 can charge the storage battery to ensure sufficient power.
In this embodiment, the electrical parameter further includes an internal battery resistance, and the power module 1 further includes an internal resistance measurement circuit 103 for detecting the internal battery resistance of the storage battery.
It should be noted that, the internal resistance of the battery is continuously monitored, and if the internal resistance of the battery is too large, the internal structure of the battery may malfunction or be equipped with a problem, which may result in too large contact resistance.
Optionally, the display module 2 includes a liquid crystal display screen for displaying the electrical parameter and a warning device for sending warning information.
Specifically, the liquid crystal display screen can display the electrical parameters of the power module in a digital display mode, and is convenient and intuitive, and related charts and the like can be displayed on the liquid crystal display screen when necessary, so that operation and maintenance personnel can further conveniently and intuitively acquire information carried by the electrical parameters. When any one of the electrical parameters exceeds the preset range, the warning device can send warning information to remind operation and maintenance personnel to process faults in time, and defects are eliminated.
Preferably, the warning device is a warning lamp or a buzzer.
It can be understood that the alarm mode combining sound and light is beneficial to operation and maintenance personnel to know and process faults more timely and rapidly.
Optionally, the power module 1 further includes a ground protection circuit for performing a protection function.
The embodiment provides a power state self-diagnosis device for a distribution network automation terminal, which is suitable for a wide voltage input range, can be used for alternating current and direct current input, and has protection functions of output overvoltage, overcurrent, reverse connection prevention of a battery and the like; the system is provided with OLED rich information and state display, can be externally connected with a 24V lead-acid storage battery, and uninterruptedly supplies power to a load; the states of the battery voltage, the temperature and the like can be monitored in real time; the intelligent power distribution network transformer substation is mainly suitable for power distribution network automation systems, power intelligent box-type transformers, ring main units and other occasions needing uninterrupted power supply. Compared with the traditional operation and maintenance power supply, the communication serial port 104 used for communicating with a remote computer, the internal resistance measuring circuit 103, the battery temperature monitoring module and the memory used for recording the working condition events of the power supply are added, the aging condition of the battery can be monitored on line, and the working condition of a power supply system on the communication serial port can be timely passed through.
The foregoing description of the embodiments has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the disclosure. Individual elements or features of a particular embodiment are generally not limited to that particular embodiment, but, where applicable, are interchangeable and can be used in a selected embodiment, even if not specifically shown or described. The same elements or features may also vary in many respects. Such variations are not to be regarded as a departure from the disclosure, and all such modifications are intended to be included within the scope of the disclosure.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (9)

1. The utility model provides a distribution automation terminal power module state self-diagnosis device which characterized in that includes:
the power module is electrically connected with the power supply module and is used for monitoring the electrical parameters of the power supply module;
a display module;
and the control module is respectively electrically connected with the power module and the display module and is used for processing the electrical parameters and displaying the electrical parameters on the display module.
2. The distribution automation terminal power module status self-diagnosis device according to claim 1, wherein the power module includes a current measurement circuit for detecting a float current and a direct current of the power module and a voltage measurement circuit for detecting a float voltage and a direct voltage of the power module.
3. The distribution automation terminal power module status self-diagnosis device of claim 1, wherein the control module comprises a central processor for processing the electrical parameters, a memory for storing the electrical parameters, a number of communication interfaces for transmitting data and a timer for timing.
4. The distribution network automation terminal power module state self-diagnosis device of claim 3, wherein the control module is a micro-singlechip.
5. The power module state self-diagnosis device of distribution network automation terminal according to claim 1, wherein the power module is a storage battery, the power module further comprises a charging circuit, an input end of the charging circuit is electrically connected with an alternating current power supply, and an output end of the charging circuit is electrically connected with the storage battery.
6. The distribution network automation terminal power module state self-diagnosis device of claim 5, wherein the electrical parameter further comprises an internal battery resistance, and the power module further comprises an internal resistance measurement circuit for detecting the internal battery resistance of the secondary battery.
7. The distribution automation terminal power module status self-diagnosis device of claim 1, wherein the display module comprises a liquid crystal display for displaying the electrical parameter.
8. The distribution automation terminal power module state self-diagnosis device of claim 1, wherein the display module comprises an alarm device.
9. The power module state self-diagnosis device of distribution network automation terminal according to claim 8, wherein the warning device is a warning lamp or a buzzer.
CN201922107864.4U 2019-11-29 2019-11-29 Power module state self-diagnosis device of distribution network automation terminal Active CN211426740U (en)

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Application Number Priority Date Filing Date Title
CN201922107864.4U CN211426740U (en) 2019-11-29 2019-11-29 Power module state self-diagnosis device of distribution network automation terminal

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Application Number Priority Date Filing Date Title
CN201922107864.4U CN211426740U (en) 2019-11-29 2019-11-29 Power module state self-diagnosis device of distribution network automation terminal

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112086972A (en) * 2020-09-28 2020-12-15 广东电网有限责任公司佛山供电局 Intelligent operation and maintenance management device and method for backup power supply of power distribution terminal
CN112910040A (en) * 2021-01-28 2021-06-04 国网山东省电力公司龙口市供电公司 Transformer substation storage battery electric quantity monitoring device
CN115712069A (en) * 2022-12-02 2023-02-24 深圳市泰昂能源科技股份有限公司 Battery management system for distribution network power supply and intelligent distribution network power supply module

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112086972A (en) * 2020-09-28 2020-12-15 广东电网有限责任公司佛山供电局 Intelligent operation and maintenance management device and method for backup power supply of power distribution terminal
CN112910040A (en) * 2021-01-28 2021-06-04 国网山东省电力公司龙口市供电公司 Transformer substation storage battery electric quantity monitoring device
CN115712069A (en) * 2022-12-02 2023-02-24 深圳市泰昂能源科技股份有限公司 Battery management system for distribution network power supply and intelligent distribution network power supply module
CN115712069B (en) * 2022-12-02 2024-02-23 深圳市泰昂能源科技股份有限公司 Battery management system for distribution network power supply and intelligent distribution network power supply module

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