CN114518550A - Electrical appliance registration method and electrical appliance monitoring device - Google Patents
Electrical appliance registration method and electrical appliance monitoring device Download PDFInfo
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- CN114518550A CN114518550A CN202210113838.6A CN202210113838A CN114518550A CN 114518550 A CN114518550 A CN 114518550A CN 202210113838 A CN202210113838 A CN 202210113838A CN 114518550 A CN114518550 A CN 114518550A
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- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/56—Testing of electric apparatus
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- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
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- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to the field of electric cabinets, in particular to an electric appliance registration method and an electric appliance monitoring device. The invention provides an electric appliance registration method, which comprises the following steps: obtaining first electrical parameters of all electrical appliances which are sequentially connected in parallel on a trunk cable in a first mode; obtaining second electrical parameters of all electrical appliances which are sequentially connected in parallel on the trunk cable in a second mode; sequentially sending the first electrical parameters of the electrical appliances according to the first electrical parameters and the second electrical parameters and the first sequence; and determining the state information of the electrical appliance according to the first electrical parameter.
Description
Technical Field
The invention relates to the field of electric cabinets, in particular to an electric appliance registration method and an electric appliance monitoring device.
Background
When the electrical appliance runs, a fault condition may occur, and at the moment, the fault needs to be found in time so as to be convenient for removing faults in time. When the quantity of electrical appliances is large, if a large number of lighting devices exist in a factory, the lighting operation condition of the lighting devices needs to be monitored all the time, so that the fault devices existing in the lighting devices can be found in time. The mode that current often adopts the electric apparatus place circuit power supply of monitoring to carry out network deployment and operation monitoring with electric apparatus, when adopting the mode of unified power supply to deploy on a large scale with electric apparatus, for judging whether successfully network deployment with electric apparatus, it sends monitoring data to need monitoring module after receiving control module's instruction to realize the registration with electric apparatus, because the quantity with electric apparatus is more, the monitoring module quantity that corresponds also can be more, when sending data, can cause the data collision.
Disclosure of Invention
On one hand, the invention provides an electric appliance registration method which can avoid data collision caused by registering and transmitting data when the number of electric appliances is large.
In another aspect, the present invention provides an electrical appliance monitoring device.
The invention provides an electric appliance registration method, which comprises the following steps:
obtaining first electrical parameters of all electrical appliances which are sequentially connected in parallel on a trunk cable in a first mode; obtaining second electrical parameters of all electrical appliances which are sequentially connected in parallel on the trunk cable in a second mode;
sequentially sending the first electrical parameters of the electrical appliances according to the first electrical parameters and the second electrical parameters and the first sequence;
and determining the state information of the electrical appliance according to the first electrical parameter.
Further, the first sequence means that when the first electrical parameter of the electrical appliance is equal to the first threshold value, the first electrical parameter of the electrical appliance is sent; when the first electrical parameter of the electrical appliance is larger than a first threshold value, comparing the first electrical parameter of the electrical appliance with a second electrical parameter obtained last time, and if the difference value between the second electrical parameter and the first electrical parameter is equal to the first threshold value, sending the first electrical parameter of the electrical appliance.
Further, the state information of the electrical appliances includes position information of each electrical appliance, and the position of the electrical appliance corresponding to each first electrical parameter is judged according to the sending sequence of the first electrical parameters of each electrical appliance.
Further, the state information of the electrical appliances also includes the operating states of the electrical appliances.
Further, if the difference value between the first electrical parameters sent twice in the adjacent process is equal to or smaller than a second threshold value, the corresponding electrical appliance is abnormal in operation state.
Furthermore, the first mode refers to that the power transmission line is monitored to obtain the electrical parameters of the corresponding electrical appliance; the second mode is to obtain the electrical parameters of other electrical appliances through monitoring.
Further, the first electrical parameter and the second electrical parameter both refer to the power supply current of the trunk cable corresponding to the position of the electrical appliance.
The invention provides an electrical appliance monitoring device which comprises a trunk cable and a plurality of branch cables, wherein the trunk cable is provided with a first end connected with a control module and a second end far away from the control module, a plurality of connecting positions are arranged between the first end and the second end on the trunk cable, the plurality of branch cables are respectively connected with the connecting positions along the direction from the first end to the second end, each branch cable is provided with an electrical appliance, a monitoring module is arranged between every two adjacent connecting positions, and the monitoring module is used for monitoring the current of the trunk cable and transmitting the monitoring result to the control module.
Furthermore, the control module comprises a processing module and a carrier communication unit, and signals are transmitted between the monitoring module and the carrier communication unit through the trunk cable.
Further, the monitoring module comprises a current transformer, a current sampling unit and a carrier communication module.
Advantageous effects
When equipment file information of the electrical appliance is recorded, first electrical parameters of the corresponding electrical appliance are measured in a first mode, and second electrical parameters of other electrical appliances are obtained in a second mode; comparing the first electrical parameter measured by each monitoring module with a preset first threshold, if the first electrical parameter measured by the monitoring module is smaller than the preset first threshold, then sending the first electrical parameter measured by a sender, if the first electrical parameter measured by the monitoring module is larger than the preset first threshold, then receiving the first electrical parameter sent by other monitoring modules in a second mode, namely a second electrical parameter, and comparing the first electrical parameter with the first electrical parameter measured by the monitoring module, and if the difference value between the first electrical parameter measured by the monitoring module and the second electrical parameter is equal to the first threshold, sending the first electrical parameter of the electrical appliance; and if the difference value between the first electrical parameter and the second electrical parameter measured by the monitoring module is greater than the first threshold value, receiving the first electrical parameter, namely the second electrical parameter, sent by other monitoring modules in a second mode, and comparing the first electrical parameter with the first electrical parameter measured by the monitoring module. Through the mode, the data time can be sent in sequence according to the first electric parameters obtained through monitoring, and therefore data collision when the electric appliance is used for automatic registration of the equipment files is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from these without inventive effort.
FIG. 1 is an overall schematic diagram provided in accordance with the first and second embodiments of the present invention;
fig. 2 is a schematic flow chart according to a first embodiment of the present invention.
Reference numerals: 1-a control module; 2-a carrier communication unit; 3-a monitoring module; 4-trunk cable; 5-branch cables; 6-electrical equipment; 7-a circuit module; 8-linking bit.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
Example one
As shown in fig. 1-2, a method for registering a consumer includes the following steps:
acquiring first electrical parameters of all electrical appliances 6 sequentially connected in parallel on the main cable 4 in a first mode; obtaining second electrical parameters of each electrical appliance 6 sequentially connected in parallel on the trunk cable 4 in a second mode;
sequentially sending the first electrical parameters of the electrical appliances 6 according to the first electrical parameters and the second electrical parameters and the first sequence;
the status information of the consumer 6 is determined from the first electrical parameter.
The electric appliance registration method in the scheme is specifically realized through the following devices, and comprises a trunk cable 4 and a plurality of branch cables 5, wherein a first end 7 of the trunk cable 4 is connected with a control module 1, a second end 9 is a far end, a plurality of connecting positions 8 are arranged on the trunk cable 4, the connecting positions 8 are sequentially connected on the trunk cable 4 in parallel from the first end 7 to the second end 9, each connecting position 8 is provided with one branch cable 5, an electric appliance 6 is arranged on each branch cable 5, a monitoring module 3 is arranged between every two adjacent connecting positions 8, the monitoring module 3 is used for monitoring the current value of the trunk cable 4 at the position where the monitoring module is located, namely a first electric parameter, and is also used for receiving the current values of the trunk cables 4 at other positions sent by other monitoring modules 3, namely a second electric parameter, and transmitting the monitoring result to the control module 1.
Along the direction from the first end 7 to the second end 9, the electrical appliance 6 is sequentially a first electrical appliance and a second electrical appliance … … nth electrical appliance, and the connection position 8 on the trunk cable 4 is sequentially a first connection position and a second connection position … … nth connection position.
The scheme can realize the registration of the electric appliance 6, and specifically comprises the following steps:
s1: each monitoring module 3 measures a first electrical parameter of the corresponding electrical appliance 6 in a first mode;
s2: each monitoring module 3 compares the respective measured first electrical parameter with a preset first threshold value;
s3: if the first electrical parameter measured by the monitoring module 3 is equal to a preset first threshold value, the first electrical parameter measured by the transmitter; if the first electrical parameter measured by the monitoring module 3 is greater than the preset first threshold, the first electrical parameter, that is, the second electrical parameter, sent by the other monitoring modules 3 is received in a second manner, and is compared with the first electrical parameter measured by the monitoring module 3;
s4: if the difference value between the first electrical parameter and the second electrical parameter measured by the monitoring module 3 is equal to the first threshold value, the first electrical parameter of the electrical appliance 6 is sent; if the difference between the first electrical parameter and the second electrical parameter measured by the monitoring module 3 is greater than the first threshold, the first electrical parameter, that is, the second electrical parameter, sent by the other monitoring modules 3 is received in a second manner, and compared with the first electrical parameter measured by the monitoring module 3.
According to the scheme, when the device file information of the electric appliance 6 is recorded, the control module 1 firstly sends a broadcast automatic registration command, the monitoring module 3 initiatively reports the device registration information after receiving the command, and data cannot be sent simultaneously on the same carrier line, otherwise, data collision can occur, so that the monitoring module 3 can sequentially send data time according to the first electric parameters obtained by monitoring, and data collision is avoided when the electric appliance 6 performs device file automatic registration.
In an alternative embodiment, the first sequence refers to sending the first electrical parameter of the electrical consumer 6 when the first electrical parameter of the electrical consumer 6 is equal to the first threshold value; when the first electrical parameter of the electrical appliance 6 is greater than the first threshold value, the first parameter of the electrical appliance 6 is compared with the second electrical parameter obtained last time, and if the difference value between the second electrical parameter and the first electrical parameter is equal to the first threshold value, the first electrical parameter of the electrical appliance 6 is sent.
On the branch road cable 5 with the electric current on 6 reposition of redundant personnel trunk cable 4 of electrical apparatus, monitoring module 3 along the direction of first end 7 to second end 9 is first monitoring module in proper order, second monitoring module … … nth monitoring module, control module 1 supplies power to trunk cable 4, when electric current on the trunk cable 4 flows through each connection position 8 from first end 7 in proper order, all shunt partly entering branch road cable 5 that this connection position 8 connects via the connection position 8 of this department, supply power with electric apparatus 6 on this branch road cable 5, consequently the electric current that flows through first monitoring module to nth monitoring module reduces gradually.
In an optional embodiment, the status information of the electrical appliances 6 includes location information of each electrical appliance 6, and the location of the electrical appliance 6 corresponding to each first electrical parameter is determined according to the sending sequence of the first electrical parameters of each electrical appliance 6.
Meanwhile, the position of the monitoring module 3 may be determined according to the characteristic, that is, the larger the current passing through the monitoring module 3 is, the closer the monitoring module 3 is to the control module 1, and if the current detected by the first monitoring module 3 is larger than the current detected by the second monitoring module 3, it is proved that the first monitoring module 3 is closer to the first end 7.
In an alternative embodiment, the status information of the consumers 6 also includes the operating status of the respective consumer 6.
In an alternative embodiment, if the difference between the first electrical parameters sent twice in the adjacent time is equal to or smaller than the second threshold, the operating state of the corresponding electrical appliance 6 is abnormal.
According to the scheme, a structure exists, a first end 7 of a trunk cable 4 is connected with a control module 1, a first monitoring module, a first connection position, a second monitoring module, a second connection position … …, an nth monitoring module and an nth connection position sequentially exist on the trunk cable 4 along the direction from the first end 7 to a second end 9, under a normal condition, currents passing through the first monitoring module, the first connection position, the second monitoring module and the second connection position are sequentially reduced, if currents detected by two monitoring modules 3 which are continuously numbered are equal, it is indicated that an electric appliance between the two monitoring modules 3 is damaged, if the currents detected by the first monitoring module and the second monitoring module are the same, or only in a range of a second threshold value, namely a loss value, it is indicated that the first electric appliance is damaged, and the currents do not generate shunt at the first connection position.
In an alternative embodiment, the first mode refers to monitoring the power transmission line to obtain the electrical parameters of the corresponding electrical appliance 6; the second way refers to obtaining the electrical parameters of other individual electrical consumers 6 by monitoring.
The first mode is that the current value of the corresponding electrical appliance 6 is measured through a current transformer; the second mode is to obtain the current values of the other electrical appliances 6 by receiving the broadcast signals of the other current transformers.
In an alternative embodiment, the first electrical parameter and the second electrical parameter both refer to the supply current of the mains cable 4 corresponding to the location of the electrical consumer 6.
Example two
As shown in fig. 1-2, an electrical appliance monitoring device provided in an embodiment of the present invention includes a trunk cable 4 and a plurality of branch cables 5, where the trunk cable 4 has a first end 7 connected to the control module 1 and a second end 9 far away from the control module 1, a plurality of connection sites 8 are disposed on the trunk cable 4 between the first end 7 and the second end 9, the plurality of branch cables 5 are respectively connected to the connection sites 8 along a direction from the first end 7 to the second end 9, an electrical appliance 6 is disposed on each branch cable 5, a monitoring module 3 is disposed between two adjacent connection sites 8, and the monitoring module 3 is configured to monitor a current level of the trunk cable 4 and transmit a monitoring result to the control module 1.
In an alternative embodiment, the control module 1 comprises a processing module and a carrier communication unit 2, and signals are transmitted between the monitoring module 3 and the carrier communication unit 2 through a trunk cable 4.
In order to reduce the field wiring cost, the monitoring module 3 and the control module 1 communicate with each other in a power carrier mode. Specifically, a carrier passing unit is arranged in the control module 1 and has a relay communication function, a plurality of carrier passing units are arranged on the trunk cable 4, and when the monitoring module 3 is far away from the control module 1, the intermediate unit can relay signals, so that the communication distance and the reliability are improved.
In an alternative embodiment, the monitoring module 3 includes a current transformer, a current sampling unit, and a carrier communication module.
The monitoring module 3 is a buckle type current transformer, so that the field assembly and the use are convenient. The monitoring module 3 is powered by the main line cable 4 or the branch line cable 5, the power consumption of the monitoring module 3 is less than that of an electric appliance, and the power consumption of the monitoring module 3 can be counted into a loss range. The current sampling unit collects the electrical parameters measured by the current transformer and transmits the electrical parameters to the carrier communication unit 2 through the carrier communication module.
It should be noted that any of the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means can be embodied by one and the same item of hardware. The use of the words first, second, previous, next, etc. do not denote any order. These words may be interpreted as names.
The above embodiments are only suitable for illustrating the present invention and not limiting the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the scope of the present invention should be defined by the claims.
Claims (10)
1. An electrical appliance registration method is characterized by comprising the following steps:
obtaining first electrical parameters of various electrical appliances (6) which are sequentially connected in parallel on a main line cable (4) in a first mode; obtaining second electrical parameters of each electrical appliance (6) connected in parallel on the trunk cable (4) in sequence in a second mode;
according to the first electrical parameter and the second electrical parameter, the first electrical parameters of the electrical appliances (6) are sequentially sent according to the first sequence;
the status information of the consumer (6) is determined on the basis of the first electrical parameter.
2. The consumer registration method according to claim 1, characterized in that the first sequence refers to sending the first electrical parameter of the consumer (6) when the first electrical parameter of the consumer (6) is equal to a first threshold value; when the first electrical parameter of the electrical appliance (6) is larger than a first threshold value, the first electrical parameter of the electrical appliance (6) is compared with a second electrical parameter obtained last time, and if the difference value between the second electrical parameter and the first electrical parameter is equal to the first threshold value, the first electrical parameter of the electrical appliance (6) is sent.
3. The electrical appliance registration method according to claim 1, wherein the status information of the electrical appliances (6) includes location information of each electrical appliance (6), and the location of the electrical appliance (6) corresponding to each first electrical parameter is determined according to the sending sequence of the first electrical parameters of each electrical appliance (6).
4. A consumer registration method according to claim 3, characterized in that the status information of the consumers (6) further comprises the operating status of the respective consumer (6).
5. The electrical appliance registration method according to claim 4, wherein if the difference between the first electrical parameters sent twice in the adjacent time is equal to or smaller than the second threshold, the operating state of the corresponding electrical appliance (6) is abnormal.
6. The electrical appliance registration method according to claim 1, characterized in that the first mode is to monitor the power line to obtain electrical parameters corresponding to the electrical appliance (6); the second mode is to obtain the electrical parameters of other electrical appliances (6) by monitoring.
7. The consumer registration method according to claim 1, wherein the first electrical parameter and the second electrical parameter each refer to a supply current of the mains cable (4) corresponding to the location of the consumer (6).
8. An electric appliance monitoring device is characterized by comprising a main cable (4) and a plurality of branch cables (5), the trunk cable (4) has a first end (7) connected to the control module (1) and a second end (9) remote from the control module (1), a plurality of connecting positions (8) are arranged between the first end (7) and the second end (9) on the trunk cable (4), a plurality of branch cables (5) are respectively connected with the connecting positions (8) along the direction from the first end (7) to the second end (9), each branch cable (5) is provided with an electric appliance (6), a monitoring module (3) is arranged between two adjacent connecting positions (8), the monitoring module (3) is used for monitoring the current of the trunk cable (4) and transmitting the monitoring result to the control module (1).
9. The fault monitoring device according to claim 8, characterized in that the control module (1) comprises a processing module and a carrier communication unit (2), and signals are transmitted between the monitoring module (3) and the carrier communication unit (2) through the trunk cable (4).
10. A fault monitoring device according to claim 8, characterized in that the monitoring module (3) comprises a current transformer, a current sampling unit and a carrier communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210113838.6A CN114518550A (en) | 2022-01-30 | 2022-01-30 | Electrical appliance registration method and electrical appliance monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210113838.6A CN114518550A (en) | 2022-01-30 | 2022-01-30 | Electrical appliance registration method and electrical appliance monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114518550A true CN114518550A (en) | 2022-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210113838.6A Pending CN114518550A (en) | 2022-01-30 | 2022-01-30 | Electrical appliance registration method and electrical appliance monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114518550A (en) |
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2022
- 2022-01-30 CN CN202210113838.6A patent/CN114518550A/en active Pending
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