CN220855002U - Combined HPLC communication electric energy meter - Google Patents
Combined HPLC communication electric energy meter Download PDFInfo
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- CN220855002U CN220855002U CN202322253002.9U CN202322253002U CN220855002U CN 220855002 U CN220855002 U CN 220855002U CN 202322253002 U CN202322253002 U CN 202322253002U CN 220855002 U CN220855002 U CN 220855002U
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- 238000004128 high performance liquid chromatography Methods 0.000 title claims abstract description 64
- 238000005070 sampling Methods 0.000 claims description 35
- 239000003990 capacitor Substances 0.000 claims description 34
- 101100100146 Candida albicans NTC1 gene Proteins 0.000 claims description 10
- 230000005611 electricity Effects 0.000 claims 2
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 101100236764 Caenorhabditis elegans mcu-1 gene Proteins 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 101001116668 Homo sapiens Prefoldin subunit 3 Proteins 0.000 description 1
- 102100024884 Prefoldin subunit 3 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
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Abstract
The utility model discloses a combined type HPLC communication electric energy meter, which comprises an electric energy meter and an HPLC external device, wherein the electric energy meter comprises a first RS485 module, and a first interface electrically connected with the first RS485 module is arranged on the electric energy meter; the HPLC external device comprises an HPLC module, a second main control module and a second RS485 module, wherein the HPLC module and the second RS485 module are respectively and electrically connected with the second main control module, a second interface electrically connected with the second RS485 module is arranged on the HPLC external device, and the first interface and the second interface can be electrically connected, so that the modification of an old electric energy meter is facilitated.
Description
Technical Field
The utility model relates to the technical field of electric power multifunctional meters, in particular to a combined HPLC communication electric energy meter.
Background
The broadband power line carrier is also called as high-speed power line carrier (HIGHSPEED POWER LINE COMMUNICATION, HPLC), is a broadband power line carrier technology for carrying out data transmission on a low-voltage power line, and compared with the traditional low-speed narrowband power line carrier technology, the HPLC technology has the advantages of large bandwidth and high transmission rate, and can meet the higher demand of the power line carrier communication of the low-voltage power line. The HPLC technology is mainly applied to the national network electric meter reading system, the old electric energy meter without HPLC is replaced by an instrument with HPLC, the replaced old electric energy meter can still be good in real energy, the waste resources are directly replaced in the scrapping stage, and the old electric energy meter is generally provided with an RS485 interface to communicate with external equipment; for some users who still use the old electric energy meter, it is necessary to modify the old electric energy meter to have the HPLC function.
Disclosure of utility model
The utility model aims to at least solve one of the technical problems in the prior art and provides a combined type HPLC communication electric energy meter capable of reforming an old electric energy meter.
The combined type HPLC communication electric energy meter comprises an electric energy meter and an HPLC external device, wherein the electric energy meter comprises a first RS485 module, and a first interface electrically connected with the first RS485 module is arranged on the electric energy meter; the HPLC external device comprises an HPLC module, a second main control module and a second RS485 module, wherein the HPLC module and the second RS485 module are respectively and electrically connected with the second main control module, a second interface electrically connected with the second RS485 module is arranged on the HPLC external device, and the first interface and the second interface can be electrically connected.
According to the combined HPLC communication electric energy meter provided by the embodiment of the utility model, the electric energy meter comprises a first main control module, a voltage sampling module and a current sampling module, wherein the voltage sampling module and the current sampling module are respectively and electrically connected with the first main control module.
According to the combined HPLC communication electric energy meter provided by the embodiment of the utility model, the electric energy meter comprises a storage module, and the storage module is electrically connected with the first main control module.
According to the combined HPLC communication electric energy meter provided by the embodiment of the utility model, the electric energy meter or the external HPLC module comprises a temperature sampling module, the temperature sampling module comprises a thermistor NTC1 and a capacitor C1, one end of the thermistor NTC1 is respectively and electrically connected with one end of the capacitor C1 and the first main control module or the second main control module, the other end of the thermistor NTC1 is electrically connected with a power supply, and the other end of the capacitor C1 is grounded.
According to the combined HPLC communication electric energy meter provided by the embodiment of the utility model, the electric energy meter or the external HPLC module comprises a humidity sampling module, the humidity sampling module comprises a humidity resistor RS1 and a capacitor C2, one end of the humidity resistor RS1 is respectively and electrically connected with one end of the capacitor C2 and the first main control module or the second main control module, the other end of the humidity resistor RS1 is electrically connected with a power supply, and the other end of the capacitor C2 is grounded.
The combined type HPLC communication electric energy meter provided by the embodiment of the utility model further comprises an alarm module electrically connected with the first main control module or the second main control module.
The combined type HPLC communication electric energy meter provided by the embodiment of the utility model has at least the following beneficial effects: the first interface is electrically connected with the second interface, so that the HPLC module is communicated with the first main control module through the second RS485 module in the HPLC external device, and a user can conveniently connect the HPLC external device with the old electric energy meter to enable the old electric energy meter to have an HPLC communication function.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The following describes the embodiments of the present utility model further with reference to the drawings;
FIG. 1 is a circuit block diagram of a combined HPLC communication power meter;
FIG. 2 is a schematic circuit diagram of an electrical energy meter;
Fig. 3 is a schematic circuit diagram of an HPLC external device.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
Referring to fig. 1 to 3, the combined HPLC communication electric energy meter of the present utility model includes an electric energy meter 10 and an HPLC external device 20, the electric energy meter 10 includes a first RS485 module 14, and a first interface electrically connected to the first RS485 module 14 is provided on the electric energy meter 10; the HPLC external device 20 comprises an HPLC module 21, a second main control module 22 and a second RS485 module 23, the HPLC module 21 and the second RS485 module 23 are respectively and electrically connected with the second main control module 22, a second interface electrically connected with the second RS485 module 23 is arranged on the HPLC external device 20, and the first interface and the second interface can be electrically connected, so that the HPLC module 21 is in communication with the first main control module 11 in the electric energy meter 10 through the second RS485 module 23 in the HPLC external device 20, and a user can conveniently and externally connect the old electric energy meter 10 with the HPLC external device 20 to enable the old electric energy meter 10 to have an HPLC communication function.
As shown in fig. 1 and 2, in some embodiments, the electric energy meter 10 includes a first main control module 11, a voltage sampling module 12 and a current sampling module 13, where the voltage sampling module 12 and the current sampling module 13 are respectively electrically connected to the first main control module 11, the first main control module 11 samples the main control MCU1, the voltage sampling module 12 includes a resistor R3, a resistor R4, a capacitor C3 and a capacitor C4, where one end of the resistor R3 is respectively electrically connected to one end of the capacitor C3 and the VBP1 end of the main control MCU1, the other end of the resistor R3 is respectively electrically connected to the other end of the capacitor C3, one end of the capacitor C4, one end of the resistor R4 and the UVREFOB end of the main control MCU1, and the other end of the resistor R4 is respectively electrically connected to the other end of the capacitor C4 and the VBN1 end of the main control MCU1; the voltage sampling module 12 collects voltage signals on the power line through the main control MCU1 and feeds the voltage signals back to the main control MCU1;
The current sampling module 13 comprises a resistor R5, a resistor R6, a capacitor C5 and a capacitor C6, wherein one end of the resistor R5 is respectively and electrically connected with one end of the capacitor C5 and the ICN1 end of the main control MCU1, the other end of the resistor R5 is grounded, one end of the resistor R6 is respectively and electrically connected with one end of the capacitor C6 and the ICP1 end of the main control MCU1, the other end of the resistor R6 is grounded, and the other end of the capacitor C5 and the other end of the capacitor C6 are respectively grounded; the current sampling module 13 collects current signals on the power line through the main control MCU1 and feeds the current signals back to the main control MCU1;
The first RS485 module 14 comprises an RS485 chip U3, one end of the RS485 chip U3 is electrically connected with the main control MCU1, and the other end of the RS485 chip U3 is electrically connected with the first interface so as to be electrically connected with the HPLC external device 20 for transmitting signals;
The second RS485 module 23 comprises an RS485 chip U4, one end of the RS485 chip U4 is electrically connected with the main control MCU2, and the other end of the RS485 chip U4 is electrically connected with the second interface to be electrically connected with the electric energy meter 10 so as to transmit signals.
In some embodiments, the electric energy meter 10 further includes a storage module 15, where the storage module 15 is electrically connected to the first main control module 11, the storage module 15 includes a storage chip U1 and a storage chip U2 for storing a preset temperature threshold or a preset humidity threshold, and storing temperature information, humidity information, and electric parameters, and the storage chip U1 and the storage chip U2 are electrically connected to the main control MCU1 chip, respectively.
In some embodiments, the alarm module 16 is further included and electrically connected to the first main control module 11 or the second main control module 22, the alarm module 16 includes a buzzer BZ1, a triode Q1, and a resistor R7, one end of the buzzer BZ1 is electrically connected to a collector of the triode Q1, an emitter of the triode Q1 is electrically connected to a 5V power supply, and a base of the triode Q1 is electrically connected to the main control MCU1 or the main control MCU2 via a series resistor R7.
In some embodiments, the electric energy meter 10 includes a temperature sampling module 17, where the temperature sampling module 17 includes a thermistor NTC1 and a capacitor C1, one end of the thermistor NTC1 is electrically connected to one end of the capacitor C1 and the first main control module 11, the other end of the thermistor NTC1 is electrically connected to a power supply, and the other end of the capacitor C1 is grounded; through this temperature sampling module 17, the temperature of the environment inside or around the electric energy meter 10 can be collected, and when the collected temperature information exceeds the preset temperature threshold value, the main control MCU1 controls the alarm module 16 to give an alarm to prompt the user.
In some embodiments, the external HPLC module 21 includes a temperature sampling module 17, one end of the thermistor NTC1 is electrically connected to one end of the capacitor C1 and the second main control module 22, where the temperature sampling module 17 can collect the ambient temperature inside or around the external HPLC, and when the collected temperature information exceeds a preset temperature threshold, the main control MCU2 controls the alarm module 16 to send an alarm to prompt the user.
In some embodiments, the electric energy meter 10 includes a humidity sampling module 18, the humidity sampling module 18 includes a humidity resistor RS1 and a capacitor C2, one end of the humidity resistor RS1 is electrically connected with one end of the capacitor C2 and the first main control module 11, the other end of the humidity resistor RS1 is electrically connected with a power supply, the other end of the capacitor C2 is grounded, ambient humidity inside or around the electric energy meter 10 can be collected by the humidity sampling module 18, and when the collected humidity information exceeds a preset humidity threshold, the main control MCU1 controls the alarm module 16 to give an alarm to prompt a user.
As shown in fig. 3, in some embodiments, the external HPLC module 21 includes a humidity sampling module 18, the humidity sampling module 18 includes a humidity resistor RS1 and a capacitor C2, one end of the humidity resistor RS1 is electrically connected to one end of the capacitor C2 and the second main control module 22, the other end of the humidity resistor RS1 is electrically connected to a power supply, the other end of the capacitor C2 is grounded, the humidity sampling module 18 can collect the humidity of the environment inside or around the external HPLC, and when the collected humidity information exceeds a preset temperature threshold, the main control MCU2 controls the alarm module 16 to send an alarm to prompt the user.
It will be readily appreciated by those skilled in the art that the above preferred modes can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).
Claims (6)
1. A combination HPLC communication power meter comprising:
the electric energy meter (10), wherein the electric energy meter (10) comprises a first RS485 module (14), and a first interface electrically connected with the first RS485 module (14) is arranged on the electric energy meter (10);
the HPLC external device (20), HPLC external device (20) include HPLC module (21), second main control module (22) and second RS485 module (23), HPLC module (21) with second RS485 module (23) respectively with second main control module (22) electricity is connected, be equipped with on the HPLC external device (20) with the second interface that second RS485 module (23) electricity is connected, first interface with the second interface can be electrically connected.
2. The combination HPLC communication power meter of claim 1, wherein: the electric energy meter (10) comprises a first main control module (11), a voltage sampling module (12) and a current sampling module (13), wherein the voltage sampling module (12) and the current sampling module (13) are respectively and electrically connected with the first main control module (11).
3. The combination HPLC communication power meter of claim 2, wherein: the electric energy meter (10) comprises a storage module (15), and the storage module (15) is electrically connected with the first main control module (11).
4. The combination HPLC communication power meter of claim 2, wherein: the electric energy meter (10) or the HPLC module (21) comprises a temperature sampling module (17), the temperature sampling module (17) comprises a thermistor NTC1 and a capacitor C1, one end of the thermistor NTC1 is respectively electrically connected with one end of the capacitor C1 and the first main control module (11) or the second main control module (22), the other end of the thermistor NTC1 is electrically connected with a power supply, and the other end of the capacitor C1 is grounded.
5. The combination HPLC communication power meter of claim 2, wherein: the electric energy meter (10) or the HPLC module (21) comprises a humidity sampling module (18), the humidity sampling module (18) comprises a humidity resistor RS1 and a capacitor C2, one end of the humidity resistor RS1 is respectively electrically connected with one end of the capacitor C2 and the first main control module (11) or the second main control module (22), the other end of the humidity resistor RS1 is electrically connected with a power supply, and the other end of the capacitor C2 is grounded.
6. The combination HPLC communication electric energy meter of claim 4 or 5, wherein: the alarm device also comprises an alarm module (16) electrically connected with the first main control module (11) or the second main control module (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322253002.9U CN220855002U (en) | 2023-08-21 | 2023-08-21 | Combined HPLC communication electric energy meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322253002.9U CN220855002U (en) | 2023-08-21 | 2023-08-21 | Combined HPLC communication electric energy meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220855002U true CN220855002U (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322253002.9U Active CN220855002U (en) | 2023-08-21 | 2023-08-21 | Combined HPLC communication electric energy meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220855002U (en) |
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2023
- 2023-08-21 CN CN202322253002.9U patent/CN220855002U/en active Active
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