CN111736031A - Power consumption monitoring device and power consumption monitoring method - Google Patents
Power consumption monitoring device and power consumption monitoring method Download PDFInfo
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- CN111736031A CN111736031A CN202010809507.7A CN202010809507A CN111736031A CN 111736031 A CN111736031 A CN 111736031A CN 202010809507 A CN202010809507 A CN 202010809507A CN 111736031 A CN111736031 A CN 111736031A
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- 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
Abstract
The invention relates to an electricity consumption monitoring device and an electricity consumption monitoring method, wherein the electricity consumption monitoring device comprises a shell, a circuit board and a connecting member, the circuit board comprises an electrical parameter measuring circuit, a signal processing circuit and a power supply circuit, the electrical parameter measuring circuit and the signal processing circuit are respectively and electrically connected with the power supply circuit, the electrical parameter measuring circuit is used for detecting electrical parameters of a circuit to be monitored, the signal processing circuit is electrically connected with the electrical parameter measuring circuit, the electrical parameter measuring circuit transmits the obtained electrical parameters to the signal processing circuit for processing, the connecting member comprises a fixed vertical plate for inserting an open wiring terminal of the circuit to be monitored, and the power supply circuit is electrically connected with the connecting member. The invention can realize the collection of the electricity utilization data conveniently, quickly and at low cost without changing the original power distribution loop and adding expensive equipment.
Description
Technical Field
The invention belongs to the technical field of circuit monitoring, and particularly relates to a power consumption monitoring device and a power consumption monitoring method.
Background
Along with the popularization and use of intelligent electronic products, the loads connected to the transmission and use ends of the mains supply are also increased gradually, so that the instability of a circuit is easily caused, the loss of the loads is caused, and the electric parameters in the power utilization process need to be effectively monitored.
The current traditional air switch does not have the functions of collecting and analyzing power utilization data. The new internet of things is expensive to open and replace, the cost is high, and a user does not need to replace the existing equipment; and a large amount of installation and wiring operations are required to be added when new equipment is added in the existing power distribution loop, so that the engineering cost is high and the construction time is long.
In summary, it is desirable to provide a power consumption monitoring device and a power consumption monitoring method, which can collect power consumption data conveniently, quickly and at low cost.
Disclosure of Invention
The invention aims to provide an electricity consumption monitoring device and an electricity consumption monitoring method which can realize convenient, quick and low-cost collection of electricity consumption data.
The above purpose is realized by the following technical scheme: the utility model provides an electricity monitoring devices, includes shell, circuit board and connecting elements, the circuit board includes electrical parameter measuring circuit, signal processing circuit and power supply circuit, electrical parameter measuring circuit and signal processing circuit respectively with the power supply circuit electricity links, electrical parameter measuring circuit is used for detecting the electrical parameter of treating monitoring circuit, signal processing circuit with electrical parameter measuring circuit electricity links, electrical parameter measuring circuit will acquire electrical parameter transmission extremely signal processing circuit handles, connecting elements is including being used for inserting treat monitoring circuit's the fixed riser of the binding post that opens in the sky, power supply circuit with the connecting elements electricity links.
The electricity utilization detection device is used for monitoring electricity utilization data parameters of an original electricity utilization circuit (a circuit to be monitored) after being installed, in the specific application process, the fixed vertical plate is connected with a connecting terminal of the circuit to be monitored, the fixed vertical plate is physically connected with the monitoring circuit and is electrically connected with the monitoring circuit, the power circuit converts electric energy of the monitoring circuit into a direct current power supply and supplies the direct current power supply to other circuits, the electricity parameter measurement circuit detects the electricity parameters of the monitoring circuit and transmits the obtained electricity parameters to the signal processing circuit for processing, and the signal processing circuit carries out the next action according to the processing result. The invention can realize the collection of the electricity utilization data conveniently, quickly and at low cost without changing the original power distribution loop and adding expensive equipment.
Preferably, the circuit board is welded with the vertical plate.
The technical scheme is that the fixing vertical plate is a flat conductive strip, and the tail end of the fixing vertical plate is arranged in a bending mode. So, fixed riser is the fixed pin that conducting material made, inserts air switch's binding post downthehole during the use, and after the user locked the terminal, the pin can be fixed in empty binding post of opening, and the terminal bending of fixed riser is used for catching on the lockwire terminal, can play the effect of fixing the device on empty opening, because the crooked existence of terminal, even if binding post also can't take out fixed joint when not locking, ensures that the device is firmly fixed on empty opening. Preferably with a right angle bend at the end.
The technical scheme is that the electricity monitoring device is provided with a through hole for threading, the electrical parameter measuring circuit comprises a current transformer, and the current transformer is sleeved on the through hole. Because the cable of the original open wiring terminal is inserted and locked, the original line can not be influenced, and the cable of the line can pass through the through hole and be inserted into the open wiring terminal together with the fixed vertical plate and locked. At the moment, the mounting position of the fixed vertical plate of the circuit board is provided with a hole, the circuit board is mounted in the shell, and the shell is provided with a hollow upright post which is matched with the hole of the circuit board.
The further technical scheme is that the connecting component comprises more than two fixed vertical plates, and the power circuit obtains the electric energy of the circuit to be monitored through the fixed vertical plates. So set up, different fixed risers insert the different binding post of empty opening and insert the commercial power promptly, and the circuit board converts the working power supply of other circuits at power supply circuit through this fixed riser.
The technical scheme is that the electric parameter measuring circuit comprises a voltage collecting circuit and a current collecting circuit, the electricity monitoring device is provided with a first wiring terminal used for being connected with the circuit to be monitored, the circuit board is provided with a connecting device, the connecting device moves to be electrically connected with the first wiring terminal of the electricity monitoring device, the other end of the connecting device is electrically connected with the fixed vertical plate, and the signal processing circuit receives voltage signals and current signals of the voltage collecting circuit and the current collecting circuit and processes the voltage signals and the current signals to calculate electric energy data of the circuit to be monitored. At the moment, the power utilization condition of the monitoring circuit is monitored by the power manager, specifically, after the cable head is inserted into the first wiring terminal of the power utilization monitoring device, the cable head is pressed on the connecting device by the fastening screw, and the cable head is respectively A, B, C phase lines and N lines; the power supply circuit is used for converting three-phase electricity into a direct current power supply and supplying the direct current power supply to other circuits, and the signal processing circuit processes voltage and current signals and calculates electric energy data.
The technical scheme is that the circuit board is provided with a communication circuit, the power circuit is used for converting electric energy of a circuit to be monitored into a direct-current power supply and supplying the electric energy to other circuits, the voltage acquisition circuit converts voltage of the circuit to be monitored into a low-voltage signal and sends the low-voltage signal into the signal processing circuit, the current acquisition circuit is a Hall sensor, a detection signal of the Hall sensor is introduced into the signal processing circuit, the communication circuit is in signal connection with the signal processing circuit, the signal processing circuit acquires an electric energy set value through the communication circuit, the connecting device comprises a relay, and when electric energy data of the circuit to be monitored, calculated by the signal processing circuit, exceed the electric energy set value, the signal processing circuit outputs a control signal to the relay control coil to control the relay to be disconnected.
The further technical scheme is that the shell is provided with a second wiring terminal used for connecting a reference voltage circuit, the second wiring terminal is electrically connected with the power circuit, the power circuit is electrically connected with the circuit to be monitored through one of the fixed vertical plates, and the power circuit jointly supplies power through the reference voltage circuit and the circuit to be monitored. When only one fixed vertical plate is provided, only one voltage signal is provided, and a power supply cannot be obtained, so that a reference voltage signal is required to be accessed, generally speaking, the reference voltage signal is the zero line of the commercial power, and the fixed vertical plate is connected with the live wire.
The further technical scheme is that the signal processing circuit comprises a communication module. By the arrangement, the signal processing circuit can send the processed electric parameters out through the communication module and receive the electric parameters by the external communication receiving device.
The signal processing circuit comprises an alarm module, and the alarm module is used for sending alarm information. So set up, when the result of signal processing circuit processing is more urgent, if detect that there is the electric leakage phenomenon in the circuit, signal processing circuit steerable alarm module sends alarm information and inspires for the user.
The invention also provides an electricity consumption monitoring method, which adopts any one of the electricity consumption monitoring devices to monitor the electricity consumption parameters of the circuit to be monitored, and comprises the following steps:
(1) inserting a connecting component of the electricity utilization monitoring device into a connecting terminal which is opened empty of a circuit to be monitored to realize electric connection, and acquiring electric energy of the circuit to be monitored by the circuit board through the connecting component;
(2) the electricity monitoring device monitors the electric quantity parameter of the circuit to be monitored.
The power consumption monitoring device provided by the invention is used for monitoring the power consumption parameters of the circuit to be monitored, the method does not need to change the original power distribution loop, does not need to add expensive equipment, and can realize the acquisition of power consumption data conveniently, quickly and at low cost.
The signal processing circuit is used for calculating the current, and when the calculated current exceeds a set threshold value, the signal processing circuit sends an alarm signal through the alarm module. Therefore, the method is used for monitoring the electric leakage of the electric circuit, the electric monitoring device is used as an electric leakage detector, the signal processing circuit calculates the magnitude of the electric leakage, and after the electric leakage exceeds a set threshold value, the wireless communication module and the audible and visual alarm in the circuit are started to send out an alarm signal.
The further technical scheme is that the circuit to be monitored in the step (1) is connected with the air switch through the electricity consumption monitoring device, and a cable at the current input end of the circuit to be monitored is connected with a first wiring terminal of the electricity consumption monitoring device; and (3) comparing the calculated electric energy data of the circuit to be monitored with the electric energy set value by the signal processing circuit in the step (2), and outputting a control signal to the relay control coil by the signal processing circuit to control the relay to be disconnected when the calculated electric energy data of the circuit to be monitored exceeds the electric energy set value. Therefore, the power consumption monitoring device in the method is used as an electricity manager, a cable at the current input end of the circuit to be monitored is connected with a first wiring terminal of the power consumption monitoring device, a voltage acquisition circuit of the power consumption manager converts the voltage of the circuit to be monitored into a low-voltage signal and sends the low-voltage signal to a signal processing circuit, the current acquisition circuit is a Hall sensor, a detection signal of the Hall sensor is introduced into the signal processing circuit, the communication circuit is in signal connection with the signal processing circuit, the signal processing circuit acquires an electric energy set value through the communication circuit, and when electric energy data of the circuit to be monitored, calculated by the signal processing circuit, exceed the electric energy set value, the signal processing circuit outputs a control signal to a relay control coil to.
The further technical scheme is that the connecting member comprises a fixed vertical plate, an input cable connected to a line to be monitored in the step (1) penetrates through the through hole and the current transformer and then extends into the empty wiring terminal together with the fixed vertical plate to be fixed, a reference voltage line is connected into a reference voltage line terminal, the electricity consumption monitoring device collects loop voltage and loop current in the step (2), and the signal processing circuit calculates and counts power and electric energy in the electricity consumption loop and sends the power and the electric energy to the external communication receiving device through a communication module in the signal processing circuit. Therefore, the electricity consumption monitoring device in the method is used as an electric energy meter, when the electricity consumption monitoring device is installed, a live wire penetrates through the hole and extends into the open wiring terminal together with the fixed vertical plate, the open wiring terminal is locked to fix the electric wire and the electric energy meter, and the current transformer is arranged above the hole and used for detecting the current of a circuit; the invention monitors the voltage of the commercial power and the signal of the current transformer, processes the signal, sends the processed signal out through the communication module, and receives the processed signal by the external communication receiving device.
Compared with the prior art, the method and the device do not need to change the original power distribution loop, do not need to increase expensive equipment, and can realize the acquisition of the power utilization data conveniently, quickly and at low cost.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of a structure of a power consumption monitoring device (leakage detector) according to an embodiment of the present invention;
FIG. 2 is a schematic exploded view of the electricity consumption monitoring device (leakage detector) of FIG. 1;
FIG. 3 is a schematic diagram of the power consumption monitoring device (leakage detector) and the air switch in FIG. 1;
fig. 4 is a schematic diagram illustrating a configuration of a power consumption monitoring device (power consumption manager) according to an embodiment of the present invention;
fig. 5 and 6 are schematic structural diagrams of a circuit board and a housing of the electricity consumption monitoring device (electricity manager) involved in fig. 4, respectively;
FIG. 7 is a schematic circuit diagram of the electricity monitoring device (electricity manager) of FIG. 4;
FIG. 8 is a schematic diagram of the power consumption monitoring device (power manager) of FIG. 4 engaged with an air switch;
fig. 9 is a schematic view of a structure of a power consumption monitoring device (electric energy meter) according to an embodiment of the present invention;
FIG. 10 is a schematic exploded view of the electricity consumption monitoring device (electric energy meter) of FIG. 9;
FIG. 11 is a schematic circuit diagram of the electricity consumption monitoring device (electric energy meter) of FIG. 9;
fig. 12 is a schematic diagram of the power consumption monitoring device (electric energy meter) in fig. 9 in cooperation with an air switch.
In the figure:
1 casing 2 circuit board 3 fixed riser
4 threading hole 5 first binding post 6 fastening screw
7 connecting device 8 signal processing circuit 9 relay
10 voltage acquisition circuit 11 hall sensor 12 relay control coil
13 communication circuit 14 second connection terminal 15 terminal connecting wire
16 current transformer 17 power circuit 18 alarm module
19 hollow 20 cable 21 hollow upright post
Electricity manager for 22 alarm hole 23 leakage detector 24
25 live wire signal access point 27 zero line signal access point of electric energy meter 26
Detailed Description
The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way. Furthermore, features from embodiments in this document and from different embodiments may be combined accordingly by a person skilled in the art from the description in this document.
The embodiment of the invention is as follows, referring to fig. 1, fig. 5, fig. 7 and fig. 12, an electricity consumption monitoring device comprises a shell 1, a circuit board 2 and a connecting member, wherein the circuit board 2 comprises an electrical parameter measuring circuit, a signal processing circuit 8 and a power supply circuit 17, the electrical parameter measuring circuit and the signal processing circuit 8 are respectively and electrically connected with the power supply circuit 17, the electrical parameter measuring circuit is used for detecting electrical parameters of a circuit to be monitored, the signal processing circuit 8 is electrically connected with the electrical parameter measuring circuit, the electrical parameter measuring circuit transmits the obtained electrical parameters to the signal processing circuit 8 for processing, the connecting member comprises a fixed vertical plate 3 of a connecting terminal of an air switch 19 for inserting the circuit to be monitored, and the power supply circuit 17 is electrically connected with the connecting member.
The electricity utilization detection device is used for monitoring the electricity utilization data parameters of the original electricity utilization circuit (circuit to be monitored) after being installed, in the specific application process, the fixed vertical plate 3 is connected with the wiring terminal of the air switch 19 of the circuit to be monitored, the fixed vertical plate 3 is physically connected with the monitoring circuit and simultaneously electrically connected, the power circuit 17 converts the electric energy of the monitoring circuit into a direct current power supply and supplies the direct current power supply to other circuits, the electricity parameter measurement circuit detects the electricity parameters of the monitoring circuit and transmits the obtained electricity parameters to the signal processing circuit 8 for processing, and the signal processing circuit 8 carries out the next action according to the processing result. The invention can realize the collection of the electricity utilization data conveniently, quickly and at low cost without changing the original power distribution loop and adding expensive equipment.
Preferably, the vertical plate 3 is welded and fixed on the circuit board 2.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 4 and 5, the fixed vertical plate 3 is a flat conductive strip, and the end of the fixed vertical plate 3 is bent. Thus, the fixed vertical plate 3 is a fixed pin made of a conductive material and is inserted into a hole of a wiring terminal of the air switch during use, after a user locks the terminal, the pin can be fixed in the wiring terminal of the hollow switch 19, the tail end of the fixed vertical plate 3 is bent to hook the wire locking terminal, the device can be fixed on the hollow switch 19, and due to the fact that the tail end is bent, the fixed joint cannot be pulled out even if the wiring terminal is not locked, and the device is firmly fixed on the hollow switch 19. Preferably with a right angle bend at the end.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 1 to 3 and 9 to 12, the electricity monitoring device is provided with a through hole for threading, the electrical parameter measuring circuit includes a current transformer 16, and the current transformer 16 is sleeved on the through hole. Because the existing connecting terminal of the hollow switch 19 is inserted and locked by a cable, the original line is not affected, and the cable of the line can pass through the through hole and be inserted into the connecting terminal of the hollow switch 19 together with the fixed vertical plate 3 and be locked. At this time, the mounting position of the fixed vertical plate 3 of the circuit board 2 is provided with a hole, the circuit board 2 is mounted in the shell 1, and the shell 1 is provided with a hollow upright post 21 which is matched with the hole of the circuit board 2.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 4 to 8, the connecting member includes more than two fixed vertical plates 3, and the power circuit 17 obtains the electric energy of the circuit to be monitored through the fixed vertical plates 3. So set up, different fixed riser 3 inserts and inserts the commercial power promptly after the different binding post of empty 19, and circuit board 2 converts the working power supply of other circuits at power supply circuit 17 through this fixed riser 3.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 5 to 7, the electrical parameter measuring circuit includes a voltage collecting circuit 10 and a current collecting circuit, the power consumption monitoring device is provided with a first connection terminal 5 for connecting to a circuit to be monitored, the circuit board 2 is provided with a connection device 7, one end of the connection device 7 is electrically connected to the first connection terminal 5 of the power consumption monitoring device, the other end is electrically connected to the fixed vertical plate 3, and the signal processing circuit 8 receives the voltage signal and the current signal of the voltage collecting circuit 10 and the current collecting circuit and processes the voltage signal and the current signal to calculate the electrical energy data of the circuit to be monitored. At the moment, the power utilization condition of the monitoring circuit is monitored as an electricity manager, specifically, after the cable head is inserted into a first connecting terminal 5 of the power utilization monitoring device, the cable head is pressed on a connecting device 7 through a fastening screw 6, and the cable head is respectively A, B, C phase lines and N lines; the power circuit 17 is used for converting three-phase power into a direct current power supply and supplying the direct current power supply to other circuits, and the signal processing circuit 8 is used for processing voltage and current signals and calculating electric energy data.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 5 to 9, the circuit board 2 is provided with a communication circuit 13, the power circuit 17 is used for converting the electric energy of the circuit to be monitored into a direct current power supply and supplying the direct current power supply to other circuits, the voltage acquisition circuit 10 converts the voltage of the circuit to be monitored into a low-voltage signal and sends the low-voltage signal to the signal processing circuit 8, the current acquisition circuit is a Hall sensor 11, the detection signal of the Hall sensor 11 is introduced into the signal processing circuit 8, the communication circuit 13 is in signal connection with the signal processing circuit 8, the signal processing circuit 8 obtains the set value of the electric energy through the communication circuit 13, the connecting device 7 comprises a relay 9, when the electric energy data of the circuit to be monitored calculated by the signal processing circuit 8 exceeds the electric energy set value, the signal processing circuit 8 outputs a control signal to the relay control coil 12 to control the relay 9 to be switched off.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 9 to 12, the housing 1 is provided with a second connection terminal 14 for connecting to a reference voltage line, the second connection terminal 14 is electrically connected to the power circuit 17, the power circuit 17 is electrically connected to a line to be monitored through one of the fixed vertical plates 3, and the power circuit 17 supplies power jointly through the reference voltage line and the line to be monitored. When only one fixed vertical plate 3 is provided, only one voltage signal is provided, and power cannot be obtained, so that a reference voltage signal is required to be accessed, generally speaking, the reference voltage signal is the zero line of the commercial power, and the fixed vertical plate 3 is connected with the live wire.
On the basis of the above embodiment, in another embodiment of the present invention, the signal processing circuit 8 includes a communication module. With such a configuration, the signal processing circuit 8 can send out the processed power acquisition parameters through the communication module, and receive the processed power acquisition parameters by the external communication receiving device.
On the basis of the above embodiments, in another embodiment of the present invention, as shown in fig. 1 to 3, the signal processing circuit 8 includes an alarm module 18, and the alarm module 18 is configured to send out alarm information. With such a configuration, when the result processed by the signal processing circuit 8 is relatively urgent, such as when an electric leakage phenomenon is detected in the circuit, the signal processing circuit 8 can control the alarm module 18 to send out an alarm message to suggest to a user.
The invention also provides an electricity utilization monitoring method, which comprises the following steps of:
(1) inserting a connecting component of the electricity utilization monitoring device into a wiring terminal of an air switch 19 of a circuit to be monitored to realize electric connection, and acquiring electric energy of the circuit to be monitored by the circuit board 2 through the connecting component;
(2) the electricity monitoring device monitors the electric quantity parameter of the circuit to be monitored.
The power consumption monitoring device provided by the invention is used for monitoring the power consumption parameters of the circuit to be monitored, the method does not need to change the original power distribution loop, does not need to add expensive equipment, and can realize the acquisition of power consumption data conveniently, quickly and at low cost.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 1 to 3, the electrical parameter measuring circuit in step (2) is configured to detect a current parameter of the electrical circuit, the signal processing circuit 8 is configured to calculate a current magnitude, and when the calculated current magnitude exceeds a set threshold, the signal processing circuit 8 sends an alarm signal through the alarm module. Therefore, the method is used for monitoring the electric leakage of the electric circuit, the electric monitoring device is used as an electric leakage detector, the signal processing circuit 8 calculates the magnitude of the electric leakage, and after the electric leakage exceeds a set threshold value, the wireless communication module and the audible and visual alarm in the circuit are started to send out an alarm signal.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 4 to 8, in the step (1), the circuit to be monitored is connected to the air switch 19 through the power consumption monitoring device, and a cable at a current input end of the circuit to be monitored is connected to the first connection terminal 5 of the power consumption monitoring device; in the step (2), the signal processing circuit 8 compares the calculated electric energy data of the circuit to be monitored with the electric energy set value, and when the calculated electric energy data of the circuit to be monitored exceeds the electric energy set value, the signal processing circuit 8 outputs a control signal to the relay control coil 12 to control the relay 9 to be switched off. Therefore, the electricity consumption monitoring device in the method is used as an electricity manager, a cable at the current input end of the circuit to be monitored is connected with the first wiring terminal 5 of the electricity consumption monitoring device, a voltage acquisition circuit 10 of the electricity manager converts the voltage of the circuit to be monitored into a low-voltage signal and sends the low-voltage signal to a signal processing circuit 8, the current acquisition circuit is a Hall sensor 11, a detection signal of the Hall sensor 11 is introduced into the signal processing circuit 8, a communication circuit 13 is in signal connection with the signal processing circuit 8, the signal processing circuit 8 obtains an electric energy set value through the communication circuit 13, and when the electric energy data of the circuit to be monitored calculated by the signal processing circuit 8 exceeds the electric energy set value, the signal processing circuit 8 outputs a control signal to a relay control coil 12 to control the relay.
On the basis of the above embodiment, in another embodiment of the present invention, as shown in fig. 9 to 12, the connecting member includes a fixed vertical plate 3, the input cable connected to the line to be monitored in step (1) passes through the through hole and the current transformer 16, and then extends into the terminal of the hollow 19 together with the fixed vertical plate 3 to be fixed, a reference voltage line is connected to the terminal of the reference voltage line, the electricity monitoring device in step (2) collects the loop voltage and the loop current, and the signal processing circuit 8 calculates the power and the electric energy in the statistical electricity loop and sends the power and the electric energy to the external communication receiving device through the communication module in the signal processing circuit 8. Therefore, the electricity consumption monitoring device in the method is used as an electric energy meter, when the electricity consumption monitoring device is installed, a live wire penetrates through the hole and extends into the connecting terminal of the hollow opening 19 together with the fixed vertical plate 3, the electric wire and the electric energy meter can be fixed by locking the connecting terminal of the hollow opening 19, and the current transformer 16 is arranged above the hole and used for detecting the current of a circuit; the invention monitors the voltage of the mains supply and the signals of the current transformer 16, processes the signals, sends the processed signals out through the communication module, and receives the processed signals by the external communication receiving device.
In order to better understand the technical scheme of the invention, three specific examples are provided, wherein the examples are as follows:
example 1: electric leakage detector
Referring to fig. 1 to 3, the leakage detector is installed above the power supply side terminal of the air switch 19, and is used for monitoring the leakage of the power circuit, technically detecting the leakage current of the circuit, and determining whether the leakage occurs. The device is provided with a circuit board 2, a power circuit 17, a leakage current acquisition circuit and a signal processing circuit 8 are arranged on the circuit board 2, a fixed vertical plate 3 is welded on the circuit board 2, and mains supply is connected after a wiring terminal of an air switch 19 is inserted into the circuit board 2, the circuit board 2 is converted into working power supplies of other circuits at the power circuit 17 through the fixed vertical plate 3, and a hole is formed in the installation position of the fixed vertical plate 3 of the circuit board 2; the circuit board 2 is installed in the shell 1, and the shell 1 is provided with a hollow upright post 21 which is matched with the hole of the circuit board 2. During installation, the electric wire passes through the threading hole 4 and extends into the wiring terminal of the hollow opening 19 together with the fixed vertical plate 3, and the electric wire and the device can be fixed by locking the wiring terminal.
When the electric leakage detector works, the signal processing circuit 8 calculates the magnitude of leakage current, and after the magnitude of leakage current exceeds a set threshold value, a wireless communication module and an audible and visual alarm in the circuit are started to send out an alarm signal.
Example 2: power utilization manager
Referring to fig. 4 to 8, the circuit board 2 of the power manager includes a fixed vertical plate 3, a connecting device 7, and the fixed vertical plate 3 is welded on the circuit board 2. The fixed vertical plate 3 is a metal sheet with a right-angled bend and is welded on the circuit board 2; the connecting device 7 of the first connecting terminal 5 is used for connecting a monitored line, and after the cable head is inserted into the first connecting terminal 5 of the power utilization manager, the cable head is pressed on the connecting device 7 by the fastening screw 6 and is respectively A, B, C phase lines and N lines; the circuit comprises a power supply circuit 17, a voltage acquisition circuit 10, a current acquisition circuit, a signal processing circuit 8, a relay 9 and a communication circuit 13.
The power circuit 17 is used for converting three-phase power into a direct-current power supply and supplying the direct-current power supply to other circuits, and the three-phase power is obtained from a monitored three-phase line and is introduced through the connecting device 7 of the fixed vertical plate 3 and the first wiring terminal 5; the voltage acquisition circuit 10 converts the three-phase power into a low-voltage signal and sends the low-voltage signal to the signal processing circuit 8; the current acquisition circuit is a Hall sensor 11, and signals of the current acquisition circuit are introduced into the signal processing circuit 8; the signal processing circuit 8 processes the voltage and current signals, calculates electric energy data, and switches off the relay 9 by outputting a control signal of the relay control coil 12 when the electric energy exceeds a set value; the relay 9 is connected between the fixed vertical plate 3 and the connecting device 7 of the first wiring terminal 5, and plays a role in switching on and off a circuit; the communication circuit 13 is connected to the signal processing circuit 8, and the signal processing circuit 8 obtains the power setting value through the communication circuit 13.
Example 3: electric energy meter
Referring to fig. 9 to 12, the electric energy meter is installed above the power supply side connection terminal of the air switch 19, and is used for monitoring the power consumption of the power circuit, technically, detecting the voltage and current of the circuit, and calculating the power and the electric energy according to the detected voltage and current. Therefore, the device is provided with a circuit board 2, wherein the circuit board 2 is provided with a voltage acquisition part, a current acquisition part (a current transformer 16 in the embodiment) and a signal processing circuit 8, a fixed vertical plate 3 is welded on the circuit board 2, a live wire of commercial power is connected after a wiring terminal of an air switch 19 is inserted, and the circuit board and a zero wire connected in a second wiring terminal 14 for a working power supply arranged on a shell 1 realize the purpose of providing the working power supply for the circuit board 2 and can also acquire loop voltage, in addition, a threading hole 4 is arranged at the installation position of the fixed vertical plate 3 of the circuit board 2, and the current transformer 16 is arranged above the threading hole 4 for detecting the current of; the circuit board 2 is installed in the shell 1, and the shell 1 is provided with a hollow upright post 21 which is matched with the hole of the circuit board 2. During installation, the electric wire passes through the hole and extends into the wiring terminal of the hollow switch 19 together with the fixed vertical plate 3, and the electric wire and the electric energy meter can be fixed by locking the wiring terminal of the hollow switch 19.
In this embodiment, the hollow switch 19 is a live line of the commercial power, and may be a working voltage line of the dc power supply in the communication application.
The circuit board 2 takes the printed circuit board 2 as a main body, and the printed circuit board 2 is provided with: a live wire signal access point 26, namely a welding point of the fixed vertical plate 3 and the printed circuit board 2, wherein the live wire of the commercial power is accessed when the fixed vertical plate 3 is inserted into the terminal of the hollow switch 19; the zero line signal access point 27 is a contact spring sheet of a zero line terminal on the shell, and is contacted with the zero line terminal after the circuit board 2 is assembled in the shell 1, so as to obtain a zero line signal; an AC/DC power circuit 17 for converting AC mains supply, which are supplied from the zero line and the live line, into a DC power supply for use by other circuits; the current transformer 16 is arranged at the position of the threading hole 4, a live wire passing through the threading hole 4 can simultaneously pass through the current transformer 16, and when current passes through the live wire, the current transformer 16 can output a corresponding signal; the working power supply of the signal processing circuit 8 is from an AC/DC power supply circuit 17, the mains voltage and the signals of the current transformer 16 are monitored, the signal processing circuit 8 processes the signals and then sends the processed signals out through a communication module, and the processed signals are received by an external communication receiving device.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (13)
1. The utility model provides an electricity monitoring devices, its characterized in that, includes shell, circuit board and connecting elements, the circuit board includes electrical parameter measuring circuit, signal processing circuit and power supply circuit, electrical parameter measuring circuit and signal processing circuit respectively with power supply circuit electricity links, electrical parameter measuring circuit is used for detecting the electrical parameter of treating monitoring circuit, signal processing circuit with electrical parameter measuring circuit electricity links, electrical parameter measuring circuit will acquire electrical parameter transmission extremely signal processing circuit handles, connecting elements is including being used for inserting treat monitoring circuit's the fixed riser of the binding post that opens in the sky, power supply circuit with connecting elements electricity links.
2. The electrical monitoring device as claimed in claim 1, wherein the fixing vertical plate is a flat conductive strip, and the end of the fixing vertical plate is bent.
3. The electricity consumption monitoring device according to claim 1 or 2, wherein the electricity consumption monitoring device is provided with a through hole for threading, and the electrical parameter measuring circuit comprises a current transformer, and the current transformer is sleeved on the through hole.
4. The electricity consumption monitoring device according to claim 1 or 2, wherein the connecting member comprises two or more fixed vertical plates, and the power circuit obtains the electric energy of the circuit to be monitored through the fixed vertical plates.
5. The electricity consumption monitoring device according to claim 1 or 2, wherein the electrical parameter measuring circuit comprises a voltage collecting circuit and a current collecting circuit, the electricity consumption monitoring device is provided with a first connecting terminal for connecting the circuit to be monitored, the circuit board is provided with a connecting device, one end of the connecting device is electrically connected with the first connecting terminal of the electricity consumption monitoring device, the other end of the connecting device is electrically connected with the fixed vertical plate, and the signal processing circuit receives the voltage signals and the current signals of the voltage collecting circuit and the current collecting circuit and processes the voltage signals and the current signals to calculate the electric energy data of the circuit to be monitored.
6. The electricity consumption monitoring device according to claim 5, wherein the circuit board is provided with a communication circuit, the power circuit is used for converting electric energy of the circuit to be monitored into a direct current power supply and supplying the electric energy to other circuits, the voltage acquisition circuit is used for converting voltage of the circuit to be monitored into a low voltage signal and sending the low voltage signal to the signal processing circuit, the current acquisition circuit is a Hall sensor, a detection signal of the Hall sensor is introduced into the signal processing circuit, the communication circuit is in signal connection with the signal processing circuit, the signal processing circuit obtains an electric energy set value through the communication circuit, the connecting device comprises a relay, and when electric energy data of the circuit to be monitored calculated by the signal processing circuit exceeds the electric energy set value, the signal processing circuit outputs a control signal to the relay control coil to control the relay to be switched off.
7. The electrical monitoring device as recited in claim 3, wherein the housing is provided with a second terminal for receiving a reference voltage line, the second terminal being electrically connected to the power circuit, the power circuit being electrically connected to the line to be monitored via one of the fixed risers, the power circuit being jointly powered via the reference voltage line and the line to be monitored.
8. The electrical monitoring device of claim 1 or 2, wherein the signal processing circuit comprises a communication module.
9. The electrical monitoring device according to claim 1 or 2, wherein the signal processing circuit comprises an alarm module for sending an alarm message.
10. An electricity consumption monitoring method, which is characterized in that the electricity consumption monitoring device of any one of claims 1 to 9 is used for monitoring electricity consumption parameters of a circuit to be monitored, and comprises the following steps:
(1) inserting a connecting component of the electricity utilization monitoring device into a connecting terminal which is opened empty of a circuit to be monitored to realize electric connection, and acquiring electric energy of the circuit to be monitored by the circuit board through the connecting component;
(2) the electricity monitoring device monitors the electric quantity parameter of the circuit to be monitored.
11. The electricity consumption monitoring method according to claim 10, wherein in the step (2), the electrical parameter measuring circuit is configured to detect a current parameter of the electricity consumption circuit, the signal processing circuit is configured to calculate a current magnitude, and when the calculated current magnitude exceeds a set threshold, the signal processing circuit sends an alarm signal through the alarm module.
12. The electricity consumption monitoring method according to claim 10, wherein the electricity consumption monitoring device is the electricity consumption monitoring device according to claim 6, the circuit to be monitored in the step (1) is connected to the air switch through the electricity consumption monitoring device, and a cable at a current input end of the circuit to be monitored is connected to a first terminal of the electricity consumption monitoring device; and (3) comparing the calculated electric energy data of the circuit to be monitored with the electric energy set value by the signal processing circuit in the step (2), and outputting a control signal to the relay control coil by the signal processing circuit to control the relay to be disconnected when the calculated electric energy data of the circuit to be monitored exceeds the electric energy set value.
13. The electricity consumption monitoring method according to claim 10, wherein the electricity consumption monitoring device is the electricity consumption monitoring device according to claim 7, the connecting member includes a fixing vertical plate, the input cable connected to the line to be monitored in step (1) passes through the through hole and the current transformer and then extends into the open connection terminal together with the fixing vertical plate to be fixed, a reference voltage line is connected to the reference voltage line terminal, the electricity consumption monitoring device in step (2) collects the loop voltage and the loop current, and the signal processing circuit calculates and counts power and electric energy in the electricity consumption loop and transmits the power and electric energy to the external communication receiving device through a communication module in the signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010809507.7A CN111736031A (en) | 2020-08-12 | 2020-08-12 | Power consumption monitoring device and power consumption monitoring method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010809507.7A CN111736031A (en) | 2020-08-12 | 2020-08-12 | Power consumption monitoring device and power consumption monitoring method |
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| CN111736031A true CN111736031A (en) | 2020-10-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117012570A (en) * | 2023-10-07 | 2023-11-07 | 中宝电气有限公司 | Power taking device of power distribution switch monitoring terminal and solid-sealed pole of power taking device |
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2020
- 2020-08-12 CN CN202010809507.7A patent/CN111736031A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117012570A (en) * | 2023-10-07 | 2023-11-07 | 中宝电气有限公司 | Power taking device of power distribution switch monitoring terminal and solid-sealed pole of power taking device |
| CN117012570B (en) * | 2023-10-07 | 2024-01-09 | 中宝电气有限公司 | Power taking device of power distribution switch monitoring terminal and solid-sealed pole of power taking device |
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