CN214503746U - Industrial electricity monitoring device and system - Google Patents
Industrial electricity monitoring device and system Download PDFInfo
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- CN214503746U CN214503746U CN202120435355.9U CN202120435355U CN214503746U CN 214503746 U CN214503746 U CN 214503746U CN 202120435355 U CN202120435355 U CN 202120435355U CN 214503746 U CN214503746 U CN 214503746U
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Abstract
The embodiment of the utility model provides an industrial power monitoring device and system, industrial power monitoring device includes electric energy collection chip, central processing unit, display and power supply module, be provided with the electric energy collection branch road of predetermineeing quantity in the electric energy collection chip, through the electric energy collection branch road of predetermineeing quantity is connected with the consumer electricity of predetermineeing quantity respectively, can acquire the consumption condition of many consumers simultaneously, just the electric energy collection chip with the central processing unit electricity is connected to can carry out concrete analysis through central processing unit to each the consumption condition of consumer that acquires, and the pertinence improves the consumer, improves the efficiency. When a certain device breaks down or other abnormal conditions occur, the device can accurately monitor which device has a problem and process the problem in time, so that the time for troubleshooting in a large amount of traditional processing modes is saved.
Description
Technical Field
The utility model relates to an electric power field especially relates to an industrial electricity monitoring device and system.
Background
The collection of traditional industrial user power consumption load is in all being connected to same electric energy meter with all industrial consumer, and the total load volume of all consumer is gathered to intelligence in the collection process. With the advent of new smart meters, it is possible to collect the load of different devices separately by installing a sensor on each device, but this also violates the privacy of the user while increasing the measurement cost.
When measuring industrial power load, the ammeter commonly used can only count total power load, and which equipment has taken place the problem of monitoring that can not be accurate when certain equipment breaks down, need investigate one by one, wastes time and energy.
Therefore, the existing electric meter monitoring scheme has the technical problem that the targeted load analysis and improvement on the electric equipment of each user cannot be carried out.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an industrial electricity monitoring device and system, concrete scheme is as follows:
in a first aspect, an embodiment of the present disclosure provides an industrial power monitoring apparatus for acquiring power consumption of a preset number of industrial power devices, the apparatus includes: the system comprises an electric energy acquisition chip, a central processing unit, a display and a power supply assembly;
the electric energy acquisition chip is electrically connected with the central processing unit, a preset number of electric energy acquisition branches are arranged in the electric energy acquisition chip, and the electric energy acquisition chip is used for being electrically connected with a preset number of electric equipment through the preset number of electric energy acquisition branches;
the central processor is electrically connected with the display;
the electric energy acquisition chip, the central processing unit and the display are all electrically connected with the power supply assembly, and the power supply assembly is used for being electrically connected with a preset number of electric equipment.
According to a specific embodiment of the present disclosure, the apparatus further comprises a memory, the central processing unit comprises a control unit, a storage unit and an arithmetic unit;
the storage unit is electrically connected with the electric energy acquisition chip;
the storage unit and the operation unit are respectively electrically connected with the control unit;
the storage unit is electrically connected with the arithmetic unit;
the arithmetic unit is electrically connected with the memory.
According to a specific embodiment of the present disclosure, the apparatus further includes an ESAM chip, and the ESAM chip is connected to the central processing unit.
According to a specific embodiment of this disclosure, each of the electric energy collection branches includes: the device comprises a sensor, an adjusting component, a sampling holder and an A/D converter;
in each electric energy collection branch, the sensor, the adjusting component, the sampling holder and the A/D converter are sequentially connected in series, the input end of the sensor is electrically connected with the electric equipment, and the output end of the A/D converter is electrically connected with the central processing unit.
According to a specific embodiment of the present disclosure, the sample holder is connected to the central processor.
According to a specific embodiment of the present disclosure, the power supply assembly includes a power supply, a power supply adjusting circuit and a power supply controller, the power supply controller is electrically connected to the central processing unit, and the power supply is electrically connected to the electric equipment through the power supply adjusting circuit;
the power supply adjusting circuit comprises a voltage reduction assembly, a voltage converter and a DC converter which are sequentially connected in series, the voltage reduction assembly, the voltage converter and the DC converter are respectively connected with a switch in parallel, and the control end of each switch is electrically connected with the power supply controller.
According to a specific embodiment of the present disclosure, the apparatus further comprises: the system comprises an infrared signal receiver and a network communication module;
the infrared signal receiver and the network communication module are connected with the central processing unit;
the infrared signal receiver is used for receiving a control signal of the infrared signal transmitter, and the network communication module is used for connecting a user terminal.
According to a specific implementation mode of the present disclosure, the device further comprises an alarm, and the central processing unit is connected with the alarm.
In a second aspect, an embodiment of the present disclosure further provides an industrial power monitoring system, where the system includes a user terminal, a preset number of electric devices, and the industrial power monitoring apparatus in the first aspect, and the apparatus includes: the system comprises an electric energy acquisition chip, a central processing unit, a display and a power supply assembly;
the electric energy acquisition chip is electrically connected with the central processing unit and is used for being electrically connected with a preset number of electric equipment;
the central processor is electrically connected with the display;
the electric energy acquisition chip, the central processing unit and the display are all electrically connected with the power supply assembly, and the power supply assembly is used for being electrically connected with a preset number of electric equipment;
the user terminal is connected with the central processing unit.
According to a specific embodiment of the present disclosure, the user terminal includes a PC terminal and a mobile terminal;
the PC terminal is a terminal held by a power supply user, and the mobile terminal is a terminal held by an industrial user.
The embodiment of the disclosure provides an industrial electricity monitoring device and system, the industrial electricity monitoring device comprises an electric energy acquisition chip, a central processing unit, a display and a power supply module, a preset number of electric energy acquisition branches are arranged in the electric energy acquisition chip, the preset number of electric energy acquisition branches are respectively electrically connected with a preset number of electric equipment, the power consumption conditions of a plurality of electric equipment can be simultaneously acquired, the electric energy acquisition chip is electrically connected with the central processing unit, and therefore the acquired power consumption conditions of each electric equipment can be specifically analyzed through the central processing unit, the electric equipment is pertinently improved, and the energy efficiency is improved. When a certain device breaks down or other abnormal conditions occur, the device can accurately monitor which device has a problem and process the problem in time, so that the time for troubleshooting in a large amount of traditional processing modes is saved.
Drawings
In order to illustrate the technical solution of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
FIG. 1 shows a block diagram of an industrial electricity monitoring device provided by an embodiment of the present disclosure;
fig. 2 is a block diagram of a central processing unit included in an industrial electricity monitoring apparatus provided in an embodiment of the present disclosure;
fig. 3 shows a block diagram of an electric energy collection chip included in an industrial electricity monitoring apparatus provided in an embodiment of the present disclosure;
FIG. 4 illustrates a block diagram of power components included in an industrial power monitoring device provided by an embodiment of the present disclosure;
fig. 5 shows a system structure diagram of an industrial power monitoring system provided by an embodiment of the present disclosure.
Summary of reference numerals:
industrial electricity monitoring device-100; a display-110; a central processing unit-120; an electric energy acquisition chip-130; a power supply component-140; a memory-150;
a control unit-121; a storage unit-122; an arithmetic unit-123;
a sensor-131; an adjustment component-132; a sample holder-133; a/D converter-134;
a voltage reduction module-141; a voltage converter-142; a DC converter-143; a power supply controller-144.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
In the following, some embodiments of the present invention will be described in detail with reference to the accompanying drawings, and features in the following examples and embodiments may be combined with each other without conflict.
Referring to fig. 1, an embodiment of the present disclosure provides an industrial electrical monitoring apparatus 100 for acquiring power consumption of a preset number of industrial electrical devices. As shown in fig. 1, the industrial electricity monitoring apparatus 100 includes: a display 110, a central processor 120, an electric energy acquisition chip 130 and a power supply assembly 140;
the electric energy collection chip 130 is electrically connected with the central processing unit 120, a preset number of electric energy collection branches are arranged in the electric energy collection chip 130, and the electric energy collection chip 130 is used for being electrically connected with a preset number of electric devices through the preset number of electric energy collection branches;
the central processor 120 is electrically connected with the display 110;
the electric energy collection chip 130, the central processing unit 120 and the display 110 are all electrically connected to the power supply assembly 140, and the power supply assembly 140 is used for electrically connecting to a preset number of electric devices.
As shown in fig. 1, in a specific application process, electric energy data of 3 corresponding electric devices are acquired through 3 electric energy acquisition branches in the electric energy acquisition chip 130, that is, three interfaces are arranged outside the electric energy acquisition chip 130 and are respectively electrically connected to the 3 electric devices, so that a user can simultaneously acquire the electric energy data of the 3 electric devices, where the electric energy data are data of current, voltage, power and the like of the electric devices, the 3 electric devices are illustrated in the figure, and the preset number may be set according to an actual use condition, and is not limited herein.
The electric energy collection chip 130 is electrically connected with the central processing unit 120, after the electric energy collection chip 130 collects the electric energy data of the electric equipment, the data is sent to the central processing unit 120 for corresponding analysis and processing, and the central processing unit 120 can respectively perform data processing functions such as data processing, fault event detection, feature data extraction and historical load information comparison on the electric energy data of different equipment. And the central processing unit 120 is electrically connected to the display 110, so that a user can see the power data of each device and the analysis and processing result of the power data of each device through the display 110, thereby performing targeted improvement processing on each device.
Meanwhile, the device further comprises a power supply assembly 140, the electric energy acquisition chip 130, the central processing unit 120 and the display 110 are all electrically connected with the power supply assembly 140, the power supply assembly 140 supplies power to the above elements, and the central processing unit 120 can send a control signal to the power supply assembly 140 to control power supply parameters of the power supply for supplying power to the electric equipment, so that the electricity utilization improvement of the equipment is realized, and the electricity utilization efficiency of the electric equipment is improved.
Referring to fig. 2, according to an embodiment of the present disclosure, the apparatus further includes a memory 150, and the central processor 120 includes a control unit 121, a storage unit 122, and an operation unit 123;
the storage unit 122 is electrically connected with the electric energy acquisition chip 130;
the storage unit 122 and the operation unit 123 are electrically connected to the control unit 121;
the memory unit 122 is electrically connected to the arithmetic unit 123;
the memory unit 122 is electrically connected to the memory 150.
As shown in fig. 2, the industrial electricity monitoring device 100 further includes a memory 150, the central processing unit 120 includes a control unit 121, a storage unit 122 and an operation unit 123, the electric energy acquisition chip 130 sends the electric energy data to the storage unit 122 of the central processing unit 120 after acquiring the electric energy data of each device, and the operation unit 123 extracts and preprocesses the electric energy data stored in the storage unit 122, where the preprocessing includes data cleaning, data integration, data transformation, and the like. After the electric energy data is preprocessed, the operation unit 123 stores the processed electric energy data into the memory 150, so that the industrial power device records the power utilization condition of each electric device, and the power utilization data is conveniently checked when an abnormal condition occurs.
The device further comprises an alarm, wherein the alarm is electrically connected with the central processing unit 120. In a specific application, when the electric energy data received by the storage unit 122 is abnormal at a certain period, the control unit 121 sends an event monitoring instruction to the operation unit 123 to analyze the abnormal electric energy data. When the abnormal condition of the electric energy data is that the current or voltage data exceeds the preset range, the central processing unit 120 sends an alarm instruction to the alarm, the alarm gives an alarm, and the alarm mode includes that the display equipment fails on the display screen, and sends alarm information to the terminal equipment held by the user and the like. The abnormal condition may also be an abnormal condition such as a stop of the device, and the abnormal condition may be set according to an electric energy fault that may occur in the actual electric device, which is not described herein any further.
When the control unit 121 of the central processing unit 120 receives a feature data extraction instruction, the operation unit 123 extracts feature data from the processed data in the memory 150, where the feature data includes a maximum voltage value, a minimum voltage value, a mean voltage value, and the like, and performs a preset analysis process on the extracted feature data according to the feature data extraction instruction.
In a specific use process, after the user modifies the electric device, the central processing unit 120 compares the modified load information of the device with the historical load information stored in the memory 150 to identify the modified energy consumption condition of the device. When the energy consumption situation is greatly different, an alarm instruction is sent to the alarm, and the alarm sends specific abnormal situation information to the terminal equipment held by the power supply user, so that the power supply user can recognize the illegal power utilization behavior of the industrial user in real time, the power utilization behavior of the industrial user is standardized in time, the legal power utilization consciousness of the industrial user is improved while the legal rights and interests of the power supply user are guaranteed.
According to a specific embodiment of the present disclosure, the apparatus further includes an ESAM (Embedded Secure Access Module, abbreviated as Embedded security control Module) chip, the ESAM chip is connected to the central processing unit 120, and the ESAM chip is configured to ensure data security of the electric energy data of the electric equipment of each industrial user acquired by the electric energy acquisition branch, so as to ensure privacy of the industrial user.
Referring to fig. 3, according to an embodiment of the present disclosure, each of the power collecting branches includes: sensor 131, adjustment assembly 132, sample holder 133, a/D converter 134;
in each power collecting branch, the sensor 131, the adjusting component 132, the sample holder 133 and the a/D converter 134 are sequentially connected in series, an input end of the sensor 131 is electrically connected to the electric device, and an output end of the a/D converter 134 is electrically connected to the central processor 120.
As shown in fig. 3, specifically, the sampling holder 133 is electrically connected to the central processing unit 120, so that when the central processing unit 120 sends out a collection signal, the electric energy collection branch starts to collect electric energy data of each electric device, and the electric energy data sequentially passes through the sensor 131, the adjustment assembly 132, the sampling holder 133, and the a/D converter 134, so as to ensure that the collected electric energy data can be acquired by the storage unit 122 in the central processing unit 120 and analyzed and processed by the operation unit 123 in the central processing unit 120.
Referring to fig. 4, according to an embodiment of the present disclosure, the power supply assembly 140 includes a power supply, a power supply adjusting circuit and a power supply controller 144, the power supply controller 144 is electrically connected to the central processing unit 120, and the power supply is electrically connected to the electric device through the power supply adjusting circuit;
the power supply adjusting circuit comprises a voltage reduction component, a voltage converter 142 and a DC converter 143 which are sequentially connected in series, the voltage reduction component, the voltage converter 142 and the DC converter 143 are respectively connected with a switch in parallel, and the control end of each switch is electrically connected with the power supply controller 144.
As shown in fig. 4, the power supply is connected to the electric device through a power supply adjusting circuit, wherein the power supply adjusting circuit includes a voltage dropping module 141, a voltage converter 142 and a DC converter 143, the voltage dropping module 141 is configured to convert an original voltage into a standard voltage 220V, and when an input voltage is a high voltage, the power supply controller 144 turns on a part of switches of the voltage dropping module 141, so as to start the voltage dropping module 141 to operate.
The voltage converter 142 is used for converting the standard voltage into different voltage values required by different devices, so that the voltage can be more reasonably distributed to the corresponding electric equipment.
The DC converter 143 is configured to convert the ac power into the DC power so as to supply power to the electric device requiring the DC power.
The voltage reduction component, the voltage converter 142 and the DC converter 143 are all connected in parallel with a switch individually, and the control end of each switch is electrically connected with the power controller 144, so that a power supply user can send a control signal to the power controller 144 through the central processing unit 120 according to the power supply requirements of different devices to control the power supply parameters of each device, and thus, corresponding improvement can be better performed on each device, and the working energy efficiency of the device is greatly improved.
In addition, according to a specific embodiment of the present disclosure, the apparatus further includes: the system comprises an infrared signal receiver and a network communication module;
the infrared signal receiver and the network communication module are both connected with the central processor 120;
the infrared signal receiver is used for receiving a control signal of the infrared signal transmitter, and the network communication module is used for connecting a user terminal.
Specifically, the infrared signal receiver is mainly used for receiving an infrared signal sent by the infrared signal transmitter, that is, a user can control the industrial electricity monitoring device 100 through an infrared remote controller. The network communication module includes RS485 communication interface and GPRS communication interface, thereby through the network communication module can with central processing unit 120 carries out network connection with user terminal to it is right to come through user terminal industrial electricity monitoring device 100 send instruction, also can be used for receiving real-time data and alarm signal that industrial electricity monitoring device 100 sent, thereby realize the on-line control to the consumer, and can remote control the power supply condition of consumer, it is more convenient.
Referring to fig. 5, an embodiment of the present disclosure further provides an industrial power monitoring system, where the system includes a user terminal, a preset number of electric devices, and the industrial power monitoring apparatus 100 according to the first aspect, the apparatus includes: an electric energy acquisition chip 130, a central processing unit 120, a display 110 and a power supply assembly 140;
the electric energy collection chip 130 is electrically connected with the central processing unit 120, and the electric energy collection chip 130 is used for being electrically connected with a preset number of electric devices;
the central processor 120 is electrically connected with the display 110;
the electric energy collection chip 130, the central processing unit 120 and the display 110 are all electrically connected to the power supply assembly 140, and the power supply assembly 140 is used for electrically connecting to a preset number of electric devices;
the user terminal is connected to the central processing unit 120.
According to a specific embodiment of the present disclosure, the user terminal includes a PC terminal and a mobile terminal;
the PC terminal is a terminal held by a power supply user, and the mobile terminal is a terminal held by an industrial user.
Specifically, the power supply user can monitor and analyze the power utilization condition of each electric device in real time through the PC terminal, and regulate and control the power supply scheme of each electric device in real time according to the historical load information of each electric device, so that the peak-valley difference can be effectively adjusted, the power grid loss is reduced, and the effects of saving energy and reducing consumption are achieved. When the electric equipment is abnormal, the power supply user can timely receive which specific electric equipment is abnormal through the PC terminal, so that the power supply scheme of the specific equipment can be quickly adjusted.
The industrial user can inquire the specific power utilization condition of each power utilization device in real time through the mobile terminal and can overhaul each power utilization device in real time according to the power utilization condition, so that the power utilization devices can be managed more systematically. And when the power consumption abnormal condition occurs to the power consumption equipment, the industrial user can timely receive which power consumption equipment is abnormal through the mobile terminal, so that the abnormal condition of the power consumption equipment can be rapidly processed.
In summary, the industrial power monitoring device and the system provided by the embodiments of the present disclosure can acquire the electric energy data of the preset number of electric devices on the premise of ensuring the privacy of the industrial user, and can accurately monitor the electric devices with faults when the electric devices have faults, thereby saving manpower and material resources required by the conventional method for device-by-device troubleshooting. In addition, the system can analyze the energy consumption of each device in a targeted manner, and integrally manage each electric device through the central processing unit, so that the remote control of the power supply user on the electric energy can be guaranteed, the real-time checking of the power consumption condition by the industrial user can also be guaranteed, and the power supply user and the industrial user can conveniently improve the industrial power supply more efficiently.
In addition, each functional module or unit in the embodiments of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.
Claims (10)
1. An industrial electricity monitoring device, for collecting power consumption of a preset number of industrial electric devices, the device comprising: the system comprises an electric energy acquisition chip, a central processing unit, a display and a power supply assembly;
the electric energy acquisition chip is electrically connected with the central processing unit, a preset number of electric energy acquisition branches are arranged in the electric energy acquisition chip, and the electric energy acquisition chip is used for being electrically connected with a preset number of electric equipment through the preset number of electric energy acquisition branches;
the central processor is electrically connected with the display;
the electric energy acquisition chip, the central processing unit and the display are all electrically connected with the power supply assembly, and the power supply assembly is used for being electrically connected with a preset number of electric equipment.
2. The apparatus of claim 1, further comprising a memory, said central processing unit comprising a control unit, a storage unit and an arithmetic unit;
the storage unit is electrically connected with the electric energy acquisition chip;
the storage unit and the operation unit are respectively electrically connected with the control unit;
the storage unit is electrically connected with the arithmetic unit;
the memory is electrically connected to the memory cells.
3. The apparatus of claim 1, further comprising an ESAM chip, said ESAM chip being connected to said central processor.
4. The apparatus of claim 1, wherein each of the power harvesting branches comprises: the device comprises a sensor, an adjusting component, a sampling holder and an A/D converter;
in each electric energy collection branch, the sensor, the adjusting component, the sampling holder and the A/D converter are sequentially connected in series, the input end of the sensor is electrically connected with the electric equipment, and the output end of the A/D converter is electrically connected with the central processing unit.
5. The device of claim 4, wherein said sample holder is connected to said central processor.
6. The apparatus of claim 1, wherein the power supply assembly comprises a power supply, a power regulating circuit, and a power controller, the power controller being electrically connected to the central processor, the power supply being electrically connected to the powered device through the power regulating circuit;
the power supply adjusting circuit comprises a voltage reduction assembly, a voltage converter and a DC converter which are sequentially connected in series, the voltage reduction assembly, the voltage converter and the DC converter are respectively connected with a switch in parallel, and the control end of each switch is electrically connected with the power supply controller.
7. The apparatus of claim 1, further comprising: the system comprises an infrared signal receiver and a network communication module;
the infrared signal receiver and the network communication module are connected with the central processing unit;
the infrared signal receiver is used for receiving a control signal of the infrared signal transmitter, and the network communication module is used for connecting a user terminal.
8. The device of claim 1, further comprising an alarm, wherein the central processor is connected to the alarm.
9. An industrial power monitoring system comprising a user terminal, a preset number of electric devices and the industrial power monitoring apparatus of any one of claims 1 to 8, the apparatus comprising: the system comprises an electric energy acquisition chip, a central processing unit, a display and a power supply assembly;
the electric energy acquisition chip is electrically connected with the central processing unit and is used for being electrically connected with a preset number of electric equipment;
the central processor is electrically connected with the display;
the electric energy acquisition chip, the central processing unit and the display are all electrically connected with the power supply assembly, and the power supply assembly is used for being electrically connected with a preset number of electric equipment;
the user terminal is connected with the central processing unit.
10. The industrial power monitoring system of claim 9, wherein the user terminal comprises a PC terminal and a mobile terminal;
the PC terminal is a terminal held by a power supply user, and the mobile terminal is a terminal held by an industrial user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435355.9U CN214503746U (en) | 2021-02-25 | 2021-02-25 | Industrial electricity monitoring device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120435355.9U CN214503746U (en) | 2021-02-25 | 2021-02-25 | Industrial electricity monitoring device and system |
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| Publication Number | Publication Date |
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| CN214503746U true CN214503746U (en) | 2021-10-26 |
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| CN202120435355.9U Expired - Fee Related CN214503746U (en) | 2021-02-25 | 2021-02-25 | Industrial electricity monitoring device and system |
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| CN (1) | CN214503746U (en) |
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2021
- 2021-02-25 CN CN202120435355.9U patent/CN214503746U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220224 Address after: No.844, Longshan Road, Lishi District, Luliang City, Shanxi Province 033000 Patentee after: LVLIANG POWER SUPPLY COMPANY, STATE GRID SHANXI ELECTRIC POWER Co. Address before: No.844, Longshan Road, Lishi District, Luliang City, Shanxi Province 033000 Patentee before: LVLIANG POWER SUPPLY COMPANY, STATE GRID SHANXI ELECTRIC POWER Co. Patentee before: TELLHOW SOFTWARE CO.,LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211026 |