CN108957198A - Low-voltage distribution station monitoring device and system - Google Patents
Low-voltage distribution station monitoring device and system Download PDFInfo
- Publication number
- CN108957198A CN108957198A CN201810986468.0A CN201810986468A CN108957198A CN 108957198 A CN108957198 A CN 108957198A CN 201810986468 A CN201810986468 A CN 201810986468A CN 108957198 A CN108957198 A CN 108957198A
- Authority
- CN
- China
- Prior art keywords
- low
- temperature
- voltage distribution
- current
- signal
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention provides low-voltage distribution station monitoring device and systems, it is related to electrical equipment technical field, wherein, the low-voltage distribution station monitoring device includes: current transformer, electric measuring instrument, Wireless Data Transmission Terminal, current transformer is connected across on low-voltage distribution room, above-mentioned current transformer, electric measuring instrument and Wireless Data Transmission Terminal are sequentially connected, wherein, the number of current transformer is multiple, in use process, first, the first electric current that each current transformer is used to flow through in the three-phase access of low-voltage distribution room is converted to the second electric current, later, whether electric measuring instrument is equal with the size of normalized current for comparing the second electric current, and, current monitor signal is generated according to the result of the comparison, secondly, Wireless Data Transmission Terminal externally shows current monitor signal, and, send current monitor signal to rear end equipment, it is improved by above-mentioned setting It is convenient and efficient to the determination efficiency of low-voltage distribution room running current.
Description
Technical field
The present invention relates to electrical equipment technical field more particularly to low-voltage distribution station monitoring devices and system.
Background technique
The facility of 10kV and following voltage class equipment, are divided into high-tension distribution chamber of converting and low-voltage distribution room.High-tension distribution chamber of converting one
As refer to 6kV-10kV high-voltage switch gear room；Low-voltage distribution room refers generally to the station the 10kV or 35kV 400V switchgear house for becoming outlet.It has
The interior distribution place of low-voltage load is known as switchgear house, predominantly low-voltage customer electricity distribution, be equipped in be pressed into line and (can have a small amount of
Outlet), distribution transformer and low-voltage distribution equipment.
Low-voltage distribution room is by distribution substation, high-tension distributing line, distribution transformer, low-voltage distributing line and corresponding
Control protection equipment composition.It is generally included in low-voltage distribution room: low-voltage circuit breaker, intelligent power distribution equipment, low-voltage distribution
Switch, fuse, transformer and earth leakage protective device etc., also, the electric current used in low-voltage distribution room is usually all three-phase
Electricity, corresponding cable and connector (for example, cable connector) also have multichannel.
In order to ensure effective conveying of electric power, in the course of work of low-voltage distribution room, need to carry out its working condition
Monitoring, adversely affects power Transmission to avoid equipment damage.Existing monitoring mode is all artificially periodically to check electric power
The operating status of equipment, it is not only time-consuming and laborious, but also it is difficult to accurate investigation.
To sum up, at present about can not precisely be checked to the operating status of low-voltage distribution room the problem of, there is no advantageous
Solution.
Summary of the invention
In view of this, the embodiment of the present invention has been designed to provide low-voltage distribution station monitoring device and system, by setting
Current transformer, electric measuring instrument and Wireless Data Transmission Terminal are set, the determination efficiency to low-voltage distribution room running current is improved.
In a first aspect, the embodiment of the invention provides low-voltage distribution station monitoring devices, comprising: current transformer, electrical measuring instrument
Table, Wireless Data Transmission Terminal, the current transformer are connected across on low-voltage distribution room, the current transformer, the electric measuring instrument
It is sequentially connected with the Wireless Data Transmission Terminal, wherein the number of the current transformer is multiple；
Each current transformer is converted to second for that will flow through the first electric current in the three-phase access of low-voltage distribution room
Electric current；
The electric measuring instrument, it is whether equal with the size of normalized current for second electric current, and, according to comparing
Result generate current monitor signal；
The Wireless Data Transmission Terminal, for externally showing the current monitor signal, and, the current monitor signal is passed
Give rear end equipment.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein also
Including sensor for measuring temperature and temperature monitor, the sensor for measuring temperature, the temperature monitor and the no line number
Transmission terminal, which is sequentially connected, to be connect, wherein the number of the sensor for measuring temperature is multiple；
The sensor for measuring temperature, for acquiring the temperature value in the three-phase access of low-voltage distribution room, and, it will be collected
Temperature value is converted into temperature signal；
The temperature monitor, it is whether equal with the size of normal temperature value for the temperature signal, and, according to
Comparison result generates temperature monitoring signal；
The Wireless Data Transmission Terminal, for externally showing the temperature monitoring signal, and, the temperature monitoring signal is passed
Give rear end equipment.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein the rear end equipment includes server and mobile control terminal, and the server and the movement are controlled
End processed is connected；
The server, for the current monitor signal to be sent to the mobile control terminal by network；
The mobile control terminal, for current monitor signal described in real-time display, and, receiving the of user terminal sending
The first acquisition signal is generated after one trigger signal；
Each current transformer, for low-voltage distribution room three-phase will to be flowed through after receiving the first acquisition signal
The first electric current in access is converted to the second electric current；
The sensor for measuring temperature is communicated for acquiring low-voltage distribution room three after receiving the first acquisition signal
Temperature value in road, and, temperature signal is converted by collected temperature value.
The possible embodiment of second with reference to first aspect, the embodiment of the invention provides the third of first aspect
Possible embodiment, wherein the rear end equipment further includes webpage control terminal, the webpage control terminal and the server phase
Connection；
The server, for the current monitor signal to be sent to the webpage control terminal by network；
The webpage control terminal, for current monitor signal described in real-time display, and, receiving the of user terminal sending
The second acquisition signal is generated after two trigger signals；
Each current transformer, for low-voltage distribution room three-phase will to be flowed through after receiving the second acquisition signal
The first electric current in access is converted to the second electric current；
The sensor for measuring temperature is communicated for acquiring low-voltage distribution room three after receiving the second acquisition signal
Temperature value in road, and, temperature signal is converted by collected temperature value.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides the 4th kind of first aspect
Possible embodiment, wherein setting is spaced between each sensor for measuring temperature.
The third possible embodiment with reference to first aspect, the embodiment of the invention provides the 5th kind of first aspect
Possible embodiment, wherein the sensor for measuring temperature is also connected with the load in low-voltage distribution room；
The sensor for measuring temperature, for acquiring the load temperature of load, and, it converts collected load temperature to
Load temperature signal；
The temperature monitor, for the load temperature signal and standard termination temperature value size whether phase
Deng, and, load temperature monitoring signals are generated according to the result of the comparison；
The Wireless Data Transmission Terminal, for externally showing the load temperature monitoring signals, and, the load temperature is supervised
It surveys signal and sends rear end equipment to.
The 4th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 6th kind of second aspect
Possible embodiment, wherein when the number of the electric measuring instrument is multiple, each current transformer is and described in one
Electric measuring instrument is connected.
The 5th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 7th kind of first aspect
Possible embodiment, wherein the outer surface of each current transformer is enclosed with electrostatic screen film；
The electrostatic screen film, it is dry for shielding the electrostatic between the current transformer and the low-voltage distribution room
It disturbs.
With reference to first aspect, the embodiment of the invention provides the 8th kind of possible embodiments of first aspect, wherein also
Including touch screen, the touch screen is connected with the electric measuring instrument；
The touch screen, for showing the running parameter of the electric measuring instrument after receiving verification triggering.
Second aspect, the embodiment of the invention provides low-voltage distribution stations to monitor system, comprising: alarm and any of the above-described
The low-voltage distribution station monitoring device；
The alarm is connected with low-voltage distribution station monitoring device；
The alarm, for the current monitor signal or temperature monitoring signal in low-voltage distribution station monitoring device
Audio alert is sent out when abnormal.
Low-voltage distribution station provided in an embodiment of the present invention monitoring device and system, wherein the low-voltage distribution station monitoring device
It include: current transformer, electric measuring instrument, Wireless Data Transmission Terminal, the connection relationship between above-mentioned all parts are as follows: current transformer
It is connected across on low-voltage distribution room, current transformer, electric measuring instrument and Wireless Data Transmission Terminal are sequentially connected, and need exist for being illustrated
, the number of current transformer be it is multiple, in use, each current transformer was for that will flow through low-voltage distribution before this
The first electric current in the three-phase access of room is converted to the second electric current, i.e., converts the high current for flowing through low-voltage distribution room to convenient for measurement
Low current, later, whether electric measuring instrument equal with the size of normalized current for comparing the second electric current, needs exist for
Bright, above-mentioned standard electric current refers to size of current corresponding when low-voltage distribution room is worked normally, when normalized current
When being expressed as a threshold range, the second electric current and the size comparison method of normalized current be compared with the second electric current whether in standard
In the corresponding threshold range of electric current, also, electric measuring instrument generates current monitor signal according to the result of the comparison, by handling above
The purpose that real-time monitoring is carried out to running current is realized, later, by Wireless Data Transmission Terminal for externally showing current monitoring letter
Number, also, send current monitor signal to rear end equipment, thus the convenient operation shape accurately realized to low-voltage distribution room
State is precisely checked, and the process manually periodically checked is eliminated.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 shows the connection figure of low-voltage distribution station monitoring device provided by the embodiment of the present invention；
Fig. 2 shows the structure connection figures of low-voltage distribution station monitoring device provided by the embodiment of the present invention；
Fig. 3 shows the structural framing figure of low-voltage distribution station monitoring device provided by the embodiment of the present invention；
Fig. 4 shows the structure connection figure of the monitoring of low-voltage distribution station provided by embodiment of the present invention system.
Icon: 1- current transformer；2- electric measuring instrument；3- Wireless Data Transmission Terminal；4- sensor for measuring temperature；5- temperature prison
Survey instrument；6- rear end equipment；7- alarm；8- low-voltage distribution station monitoring device.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
The electric current used in current low-voltage distribution room is usually all three-phase electricity, and corresponding cable and connector also have more
Road.In order to ensure effective conveying of electric power, the working condition to low-voltage distribution room is needed to be monitored, to avoid equipment damage pair
Power Transmission adversely affects.Existing monitoring mode is all the operating status for artificially periodically checking power equipment, is not only taken
When it is laborious, and be difficult to accurate investigation.
Based on this, the embodiment of the invention provides low-voltage distribution station monitoring device and systems, carry out below by embodiment
Description.
Embodiment 1
Referring to figure 1, figure 2 and figure 3, the low-voltage distribution station monitoring device that the present embodiment proposes specifically includes: current transformer
1, electric measuring instrument 2, Wireless Data Transmission Terminal 3 introduce lower current transformer first, and current transformer is will according to electromagnetic induction principle
The instrument that primary side high current is converted into secondary side low current to measure, it is made of the iron core and winding being closed.Current Mutual Inductance
First side winding the number of turns of device is seldom, and string is in the route for the electric current for needing to measure when use.Current transformer at work, it
Secondary side circuit always be closure, current transformer is that primary side high current is converted into secondary side low current to measure.
Secondly lower Wireless Data Transmission Terminal (full name is wireless data transmission terminal) is introduced, wireless data transmission terminal is realized
Terminal module used in wireless data transmission, is usually connected with slave computer, realizes the purpose of wireless data transmission.In no line number
In transmission terminal would generally integrated processor provided currently, generalling use ARM9 High performance industrial grade embeded processor for user
At a high speed, Virtual Private Network that is reliable and stable, supporting various protocols conversion.For the user of control of network flow quantity, product support
Voice, short message.The functions such as the backup of Double Data center and multiple data centers synchronous receiving data are also supported simultaneously.
Above-mentioned current transformer is connected across on low-voltage distribution room, i.e. the winding of current transformer is wrapped in low-voltage distribution room
On device, also, above-mentioned current transformer, electric measuring instrument and Wireless Data Transmission Terminal are sequentially connected.It needs exist for being illustrated
It is, since what is circulated in low-voltage distribution room is usually three-phase electricity, and therefore, the number of above-mentioned current transformer is multiple.Accordingly
, when the number of electric measuring instrument is multiple, each current transformer is connected with an electric measuring instrument, i.e., each current transformer
Between be connected in parallel, later, uniformly handled by the same electric measuring instrument, so as to save the expense of instrument.
In use, each current transformer is wrapped on the device of some monophase current warp, and each electric current is mutual
The first electric current that sensor is used to flow through in the three-phase access of low-voltage distribution room is converted to the second electric current, i.e., will flow through low-voltage distribution room
High current be converted into the low current convenient for measurement, later, electric measuring instrument is used to compare the size of the second electric current and normalized current
It is whether equal, also, electric measuring instrument can generate current monitor signal according to the result of the comparison, since electric measuring instrument is pair
Electric current is compared, and therefore, electric measuring instrument here can be replaced by ammeter, and later, Wireless Data Transmission Terminal is for external
It shows current monitor signal, also, sends current monitor signal to rear end equipment, so as to rear end administrative staff's further progress
Monitoring etc..
Above-mentioned low-voltage distribution station monitoring device further includes sensor for measuring temperature 4 and temperature monitor 5, and temperature here passes
Sensor refers to the sensor that can be experienced temperature and be converted into usable output signal.Temperature sensor can be divided into contact by measurement method
Formula and contactless two major classes, contact type temperature sensor need to thermally contact with measured medium holding, carry out the two sufficient
Heat exchange and reach same temperature.This kind of sensors mainly have resistance-type, thermocouple, PN junction temperature sensor etc..It is non-contact
Formula temperature sensor passes to temperature sensor by the heat radiation or convection current of measured medium without contacting with measured medium,
To achieve the purpose that thermometric.
In the present embodiment, sensor for measuring temperature, temperature monitor and Wireless Data Transmission Terminal, which are sequentially connected, connects, and needs
It is bright, the number of sensor for measuring temperature be it is multiple, each sensor for measuring temperature directly with some monophase current warp
Device is connected, and in use process, sensor for measuring temperature is used to acquire the temperature value in the three-phase access of low-voltage distribution room, also,
Temperature signal is converted by collected temperature value, later, temperature monitor is for comparison temperature signal and normal temperature value
Whether size is equal, also, generates temperature monitoring signal according to the result of the comparison, here between temperature signal and normal temperature value
Usually make difference processing, temperature monitoring signal, later, wireless data sending are generated according to the result (positive number, negative or zero) for making difference
Terminal is used for external displays temperature monitoring signals, also, sends temperature monitoring signal to rear end equipment 6, so as to rear end management
Personnel are further processed.
In the present embodiment, rear end equipment includes server and mobile control terminal, above-mentioned server and mobile control terminal phase
Connection, in use, server is used to current monitor signal being sent to mobile control terminal by network, mobile control terminal is for real
When show current monitor signal, also, in the first trigger signal (touching triggering, key triggering etc.) for receiving user terminal sending
The first acquisition signal is generated afterwards, and each current transformer will be for that will flow through low-voltage distribution room three after receiving the first acquisition signal
The first electric current in phase access is converted to the second electric current, can effectively control each Current Mutual Inductance by the setting of mobile control terminal
Job initiation time of device, operating time etc., later, sensor for measuring temperature after receiving the first acquisition signal for acquiring
Temperature value in the three-phase access of low-voltage distribution room, also, temperature signal is converted by collected temperature value.
In addition, in the present embodiment, rear end equipment further includes webpage control terminal, also, webpage control terminal and server phase
Connection, in use, server are used to current monitor signal being sent to webpage control terminal, webpage control terminal by network
(triggering, key are touched for real-time display current monitor signal, also, in the second trigger signal for receiving user terminal sending
Triggering etc.) the second acquisition signal is generated afterwards, it is increased by the setting of webpage control terminal and each current transformer is controlled
Flexibility, later, each current transformer is communicated for will flow through low-voltage distribution room three after receiving the second acquisition signal
The first electric current in road is converted to the second electric current, and sensor for measuring temperature is for acquiring low pressure after receiving the second acquisition signal
Temperature value in switchgear house three-phase access, also, temperature signal is converted by collected temperature value.
Due to, the space in low-voltage distribution room is larger, and the temperature of low-voltage distribution room each section device is also different, in order to
Accurately measure the temperature conditions of its each section, be spaced setting between above-mentioned each sensor for measuring temperature, above-mentioned interval it is specific
Size can according to circumstances carry out flexible setting.
In addition, in order to improve the accuracy of temperature measuring, sensor for measuring temperature also with the load phase in low-voltage distribution room
Even, in use process, first it is used to acquire the load temperature of load by sensor for measuring temperature, also, collected load is warm
Degree is converted into load temperature signal, and later, temperature monitor is used to compare the big of load temperature signal and standard termination temperature value
Whether small equal, standard termination temperature value here usually loads temperature value corresponding in normal work, also, temperature
Monitor generates load temperature monitoring signals according to the result of the comparison, and later, Wireless Data Transmission Terminal is for externally showing load temperature
Monitoring signals are spent, also, send load temperature monitoring signals to rear end equipment, at the administrative staff's further progress of rear end
Reason etc..
Due to being to connect between above-mentioned current transformer and low-voltage distribution room, in order to avoid current transformer is being adopted
It is influenced during colleeting comb by the electric current flowed through in low-voltage distribution room, the outer surface of each current transformer is enclosed with quiet
Electrical shielding film, in use, electrostatic screen film is for the electrostatic between bucking current mutual inductor and low-voltage distribution room
Interference, to ensure that the normal work of current transformer.
Above-mentioned low-voltage distribution station monitoring device further includes touch screen, and touch screen is a kind of input signals such as receivable contact
Induction type liquid crystal display device, when contacting the graphic button on screen, the haptic feedback system on screen can be according to preparatory
The formula of programming drives various connection devices, is substituted for mechanical push button panel, and manufacture by liquid crystal display picture
Lively visual and sound effects out, simply, conveniently, naturally.Touch screen is connected with electric measuring instrument in the present embodiment, and touch screen is used for
The running parameter for showing electric measuring instrument after verification triggers is received, needs to be illustrated, above-mentioned verification triggering is often referred to use
Clicking trigger of the family end on touch screen, key triggering etc. can be reinforced pair by the running parameter of real-time display electric measuring instrument
The monitoring of electric measuring instrument work state.
In conclusion low-voltage distribution station provided in this embodiment monitoring device includes: current transformer, electric measuring instrument, nothing
Line number transmission terminal, above-mentioned current transformer are connected across on low-voltage distribution room, current transformer, electric measuring instrument and Wireless Data Transmission Terminal
Be sequentially connected, need exist for being illustrated, the number of current transformer be it is multiple, in use, each electricity before this
The first electric current that current transformer is used to flow through in the three-phase access of low-voltage distribution room is converted to the second electric current, i.e., will flow through low pressure and match
The low current that the high current of electric room is converted into convenient for measurement, later, electric measuring instrument are used to compare the second electric current and normalized current
Whether size is equal, needs exist for being illustrated, and above-mentioned standard electric current refers to that low-voltage distribution room is worked normally when institute
Corresponding size of current, also, electric measuring instrument generates current monitor signal according to the result of the comparison, by above-mentioned processing step,
Running current can be real-time monitored, and by Wireless Data Transmission Terminal for externally showing current monitor signal, further by electric current
Monitoring signals send rear end equipment to, realize and are precisely checked to the operating status of low-voltage distribution room, convenient and efficient.
Embodiment 2
Referring to fig. 4, present embodiments providing low-voltage distribution station monitoring system includes: the low of alarm 7 and any of the above-described
It is press-fitted power station monitoring device 8, above-mentioned alarm is connected with low-voltage distribution station monitoring device, and in use, alarm is used
In the current monitor signal or temperature monitoring abnormal signal of low-voltage distribution station monitoring device audio alert is sent out, needed
It to be illustrated, above-mentioned current monitor signal refers to that the size of current monitor signal has reached audio alert defined extremely
Current upper limit value, above-mentioned temperature monitoring abnormal signal refers to that the size of temperature monitoring signal has reached audio alert defined
Temperature upper limit.It should be added that the concrete form of above-mentioned audio alert according to circumstances can be controlled flexibly.
In conclusion low-voltage distribution station provided in this embodiment monitoring system includes: the low of alarm and any of the above-described
It is press-fitted power station monitoring device, also, alarm is connected with low-voltage distribution station monitoring device, when in use, alarm is used for
Audio alert is sent out when the current monitor signal or temperature monitoring abnormal signal of low-voltage distribution station monitoring device, thus fresh
Bright accurate prompt related management personnel safeguard low-voltage distribution station monitoring device.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, can be with reference to the corresponding process in previous embodiment, details are not described herein.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.To those skilled in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. low-voltage distribution station monitoring device characterized by comprising current transformer, electric measuring instrument, Wireless Data Transmission Terminal, institute
It states current transformer to be connected across on low-voltage distribution room, the current transformer, the electric measuring instrument and the Wireless Data Transmission Terminal
It is sequentially connected, wherein the number of the current transformer is multiple；
Each current transformer is converted to the second electricity for that will flow through the first electric current in the three-phase access of low-voltage distribution room
Stream；
The electric measuring instrument, it is whether equal with the size of normalized current for second electric current, and, according to the knot compared
Fruit generates current monitor signal；
The Wireless Data Transmission Terminal, for externally showing the current monitor signal, and, the current monitor signal is sent to
Rear end equipment.
2. low-voltage distribution station according to claim 1 monitoring device, which is characterized in that further include sensor for measuring temperature and
Temperature monitor, the sensor for measuring temperature, the temperature monitor and the Wireless Data Transmission Terminal are sequentially connected and connect,
In, the number of the sensor for measuring temperature is multiple；
The sensor for measuring temperature, for acquiring the temperature value in the three-phase access of low-voltage distribution room, and, by collected temperature
Value is converted into temperature signal；
The temperature monitor, it is whether equal with the size of normal temperature value for the temperature signal, and, according to comparing
Result generate temperature monitoring signal；
The Wireless Data Transmission Terminal, for externally showing the temperature monitoring signal, and, the temperature monitoring signal is sent to
Rear end equipment.
3. low-voltage distribution station according to claim 2 monitoring device, which is characterized in that the Wireless Data Transmission Terminal with it is described
Rear end equipment is connected, and the rear end equipment includes server and mobile control terminal, the server and the mobile control terminal phase
Connection；
The server, for the current monitor signal to be sent to the mobile control terminal by network；
The mobile control terminal, for current monitor signal described in real-time display, and, in the first touching for receiving user terminal sending
The first acquisition signal is generated after signalling；
Each current transformer, for low-voltage distribution room three-phase access will to be flowed through after receiving the first acquisition signal
In the first electric current be converted to the second electric current；
The sensor for measuring temperature, for being acquired in the three-phase access of low-voltage distribution room after receiving the first acquisition signal
Temperature value, and, convert temperature signal for collected temperature value.
4. low-voltage distribution station according to claim 3 monitoring device, which is characterized in that the rear end equipment further includes webpage
Control terminal, the webpage control terminal, which is connected to the server, to be connect；
The server, for the current monitor signal to be sent to the webpage control terminal by network；
The webpage control terminal, for current monitor signal described in real-time display, and, in the second touching for receiving user terminal sending
The second acquisition signal is generated after signalling；
Each current transformer, for low-voltage distribution room three-phase access will to be flowed through after receiving the second acquisition signal
In the first electric current be converted to the second electric current；
The sensor for measuring temperature, for being acquired in the three-phase access of low-voltage distribution room after receiving the second acquisition signal
Temperature value, and, convert temperature signal for collected temperature value.
5. low-voltage distribution station according to claim 2 monitoring device, which is characterized in that each sensor for measuring temperature
Between be spaced setting.
6. low-voltage distribution station according to claim 4 monitoring device, which is characterized in that the sensor for measuring temperature also with
Load in low-voltage distribution room is connected；
The sensor for measuring temperature, for acquiring the load temperature of load, and, load is converted by collected load temperature
Temperature signal；
The temperature monitor, it is whether equal with the size of standard termination temperature value for the load temperature signal, and,
Load temperature monitoring signals are generated according to the result of the comparison；
The Wireless Data Transmission Terminal, for externally showing the load temperature monitoring signals, and, the load temperature is monitored and is believed
Number send rear end equipment to.
7. low-voltage distribution station according to claim 5 monitoring device, which is characterized in that the number of the electric measuring instrument is more
When a, each current transformer is connected with an electric measuring instrument.
8. low-voltage distribution station according to claim 6 monitoring device, which is characterized in that outside each current transformer
It is coated with electrostatic screen film；
The electrostatic screen film, for shielding the electrostatic interference between the current transformer and the low-voltage distribution room.
9. low-voltage distribution station according to claim 1 monitoring device, which is characterized in that it further include touch screen, the touch-control
Screen is connected with the electric measuring instrument；
The touch screen, for showing the running parameter of the electric measuring instrument after receiving verification triggering.
10. low-voltage distribution station monitors system characterized by comprising alarm and such as claim 1-9 are described in any item low
It is press-fitted power station monitoring device；
The alarm is connected with low-voltage distribution station monitoring device；
The alarm, for the current monitor signal or temperature monitoring abnormal signal in low-voltage distribution station monitoring device
When send out audio alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986468.0A CN108957198A (en) | 2018-08-28 | 2018-08-28 | Low-voltage distribution station monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810986468.0A CN108957198A (en) | 2018-08-28 | 2018-08-28 | Low-voltage distribution station monitoring device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108957198A true CN108957198A (en) | 2018-12-07 |
Family
ID=64474306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810986468.0A Pending CN108957198A (en) | 2018-08-28 | 2018-08-28 | Low-voltage distribution station monitoring device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108957198A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202940644U (en) * | 2012-12-04 | 2013-05-15 | 河南省电力公司驻马店供电公司 | Intelligent management and monitoring system for substation equipment state maintenance |
| CN103748643A (en) * | 2011-04-14 | 2014-04-23 | Abb技术有限公司 | Electrostatic shield for a transformer |
| CN204758748U (en) * | 2015-07-27 | 2015-11-11 | 北京恒源力创电力技术有限公司 | Cubical switchboard intelligent integrated monitoring devices |
| CN106356826A (en) * | 2015-07-15 | 2017-01-25 | 杭州鸿程科技有限公司 | Intelligent resistor cabinet control device and control method thereof |
-
2018
- 2018-08-28 CN CN201810986468.0A patent/CN108957198A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103748643A (en) * | 2011-04-14 | 2014-04-23 | Abb技术有限公司 | Electrostatic shield for a transformer |
| CN202940644U (en) * | 2012-12-04 | 2013-05-15 | 河南省电力公司驻马店供电公司 | Intelligent management and monitoring system for substation equipment state maintenance |
| CN106356826A (en) * | 2015-07-15 | 2017-01-25 | 杭州鸿程科技有限公司 | Intelligent resistor cabinet control device and control method thereof |
| CN204758748U (en) * | 2015-07-27 | 2015-11-11 | 北京恒源力创电力技术有限公司 | Cubical switchboard intelligent integrated monitoring devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9575101B2 (en) | Power monitoring systems and methods | |
| US20130335062A1 (en) | Power Monitoring System and Method | |
| CN103814300B (en) | For being monitored the system and method for electric power facility state by on-line measurement circuit parameter | |
| CN207339420U (en) | A kind of background monitoring intelligent power distribution cabinet | |
| US20130218495A1 (en) | Method, Sensor Apparatus and System for Determining Losses in an Electrical Power Grid | |
| JP6290868B2 (en) | Power monitoring system and power monitoring method | |
| US20130335061A1 (en) | Systems and Methods for Monitoring Underground Power Lines | |
| CN105093047A (en) | Electric power line current-carrying capacity monitoring and early warning system | |
| Machidon et al. | Power-system protection device with IoT-based support for integration in smart environments | |
| US20170292999A1 (en) | Transformer monitoring and data analysis systems and methods | |
| CN105046011A (en) | Rapid analysis method used for state of electric device and based on topological computation of distributed power grid | |
| CN102608414B (en) | Embedded electric energy measuring method and application extension method of high voltage electrical switchgear | |
| WO2019067638A1 (en) | Resource meter system and method | |
| CN208833847U (en) | Low-voltage distribution station monitoring device and system | |
| CN204906010U (en) | Transmission line dynamic monitoring early warning system | |
| CN108957198A (en) | Low-voltage distribution station monitoring device and system | |
| CN205720379U (en) | A kind of novel all-fiber current transformator | |
| CN207352150U (en) | A kind of metering transformer secondary circuit condition detecting system for possessing load controlling function | |
| CN202948303U (en) | Networked switch cabinet monitoring system | |
| CN209170048U (en) | Overall power distribution system | |
| CN207798287U (en) | A kind of mutual inductor wireless temperature monitoring system | |
| CN205248806U (en) | But heterodyne formula monitoring temperature's intelligent capacitor compensation device | |
| CN206523590U (en) | On-line insulation monitoring device and its system | |
| CN205355535U (en) | Box type transformer station | |
| CN210954297U (en) | Online real-time measuring device for grounding condition of electrical equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181207 |