CN220709776U - Isolation type data acquisition communication device based on DB9 interface electricity taking - Google Patents
Isolation type data acquisition communication device based on DB9 interface electricity taking Download PDFInfo
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- CN220709776U CN220709776U CN202322378954.3U CN202322378954U CN220709776U CN 220709776 U CN220709776 U CN 220709776U CN 202322378954 U CN202322378954 U CN 202322378954U CN 220709776 U CN220709776 U CN 220709776U
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- 238000004891 communication Methods 0.000 title claims abstract description 73
- 238000002955 isolation Methods 0.000 title claims abstract description 44
- 230000005611 electricity Effects 0.000 title claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 23
- 238000013500 data storage Methods 0.000 claims abstract description 17
- 239000003990 capacitor Substances 0.000 claims description 42
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000007726 management method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Abstract
The utility model discloses an isolated data acquisition communication device based on DB9 interface electricity taking, which comprises a DB9 interface, wherein a 1 pin, a 2 pin and a3 pin of the DB9 interface are respectively connected with the input end of a voltage-stabilized power supply module, the 2 pin and the 3 pin of the DB9 interface are also connected with a level signal conversion module, the output end of the voltage-stabilized power supply module is respectively connected with the level signal conversion module and an isolation module, the level signal conversion module is connected with the isolation module, the isolation module is connected with a dual-mode communication module, and the dual-mode communication module is connected with a data storage module. According to the utility model, the DB9 interface is connected with the inverter or the AC converter and other equipment to acquire power supply and acquire real-time operation data of the equipment, and independent power supply is not needed, so that the flexibility and convenience of field use are improved, and the application cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of data acquisition and communication, and particularly relates to an isolated data acquisition and communication device based on DB9 interface power acquisition.
Background
Solar energy is a renewable clean energy source, solar power generation technology and solar green energy are increasingly used by people, various solar energy systems are gradually built and used in various areas, and meanwhile, the utilization of miniature and portable solar power generation is also gradually focused on scientific application and product application fields.
The main function of the photovoltaic inverter is to convert direct current power into alternating current power, but in practical engineering application, the photovoltaic inverter should not only have excellent electric energy conversion performance, but also must be configured with a data collector so as to realize monitoring of the main operation parameters and operation conditions of the inverter.
Most of the current power supply modes of the data acquisition devices on the market still adopt an adapter independent power supply mode, communication isolation is not provided between the main equipment and the collector, flexibility is poor in practical application, and mutual interference and fault mutual influence are easily caused.
Disclosure of Invention
To solve the problems set forth in the background art. The utility model provides an isolated data acquisition communication device based on DB9 interface power taking, which has the characteristics of improving the flexibility and convenience of field use and reducing the application cost without additional independent power supply.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an isolation type data acquisition communication device based on DB9 interface gets electricity, including the DB9 interface, 1 foot, 2 foot and the 3 foot of DB9 interface are connected with the input of constant voltage power supply module respectively, and the 2 foot and the 3 foot of DB9 interface still are connected with level signal conversion module, and the output of constant voltage power supply module is connected with level signal conversion module and isolation module respectively, and level signal conversion module is connected with isolation module, and isolation module is connected with dual mode communication module, and dual mode communication module is connected with data storage module.
In order to realize communication isolation with the main equipment so as to avoid mutual interference and influence, the isolation module further comprises an isolation power supply module and an isolation communication module, wherein the power output end of the isolation power supply module is respectively connected with the isolation communication module, the dual-mode communication module and the data storage module, and the isolation communication module is respectively connected with the level signal conversion module and the dual-mode communication module.
In order to realize the filtering effect of the power supply and provide stable power supply, further, the voltage stabilizing power supply module comprises a chip U2, the 2 pin of the chip U2 is connected with one end of a capacitor C1, the 3 pin of the chip U2 is respectively connected with one ends of a capacitor C2 and a capacitor C3, and the other ends of the capacitor C1, the capacitor C2 and the capacitor C3 are respectively connected with a grounding end.
In order to be used as a transient suppression protection device, a diode D3 is connected between the 1 pin of the DB9 interface and the chip U2, a diode D2 is connected between the 2 pin of the DB9 interface and the chip U2, and a diode D3 is connected between the 3 pin of the DB9 interface and the chip U2.
In order to realize the conversion of RS232 signals and TTL signals, further, the level signal conversion module comprises a chip U5, the 16 pins of the chip U5 are respectively connected with one end of a capacitor C6 and one end of a capacitor C7, the other end of the capacitor C6 is connected with the 2 pins of the chip U5, the other end of the capacitor C7 is connected with a grounding end, the 3 pins of the chip U5 are connected with one end of a capacitor C10, the other end of the capacitor C10 is connected with the 1 pin of the chip U5, the 5 pins of the chip U5 are connected with one end of a capacitor C11, and the other end of the capacitor C11 is connected with the 4 pins of the chip U5. The model of the chip U5 is SP232EEN.
In order to realize remote and local management, further, the communication signals of the dual-mode communication module are Bluetooth and WIFI communication.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the DB9 interface is connected with equipment such as an inverter or an alternating current converter to acquire power supply and acquire real-time operation data of the equipment, so that independent power supply is not needed, the flexibility and convenience of field use are improved, and the application cost is reduced;
2. according to the utility model, through the arrangement of the data storage module, the local data storage function can be realized in the states of remote connection, disconnection and the like;
3. the isolated communication module realizes communication isolation with the main equipment, thereby avoiding mutual interference and influence;
4. the communication signals of the dual-mode communication module are Bluetooth and WIFI communication, and the Bluetooth communication is uploaded to a remote management platform or is connected with a field mobile phone APP, so that remote and local management is realized.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a system block diagram of the present utility model;
FIG. 2 is a circuit diagram of the DB9 interface, the regulated power supply module and the level signal conversion module of the present utility model;
FIG. 3 is a circuit diagram of a dual mode communication module of the present utility model;
FIG. 4 is a circuit diagram of an isolated power module of the present utility model;
FIG. 5 is a circuit diagram of an isolated communication module of the present utility model;
FIG. 6 is a circuit diagram of a data storage module of the present utility model;
in the figure: 1. a DB9 interface; 2. a regulated power supply module; 3. a level signal conversion module; 4. an isolation module; 41. isolating the power module; 42. isolating the communication module; 5. a dual mode communication module; 6. and a data storage module.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-6, the present utility model provides the following technical solutions: the utility model provides an isolation type data acquisition communication device based on DB9 interface gets electricity, including DB9 interface 1, 1 foot, 2 foot and 3 feet of DB9 interface 1 are connected with the input of constant voltage power supply module 2 respectively, and 2 foot and 3 foot of DB9 interface 1 still are connected with level signal conversion module 3, the output of constant voltage power supply module 2 is connected with level signal conversion module 3 and isolation module 4 respectively, level signal conversion module 3 is connected with isolation module 4, isolation module 4 is connected with bimodulus communication module 5, bimodulus communication module 5 is connected with data storage module 6, data storage module 6 includes chip U6, chip U6 selects W25Q64.
By adopting the technical scheme, the power supply and the real-time operation data of the acquisition equipment are acquired by connecting the DB9 interface 1 with the equipment such as an inverter or an alternating current converter, so that independent power supply is not needed, the flexibility and convenience of on-site use are improved, and meanwhile, the application cost is reduced; according to the utility model, through the arrangement of the data storage module 6, the local data storage function can be realized in the states of remote connection, disconnection and the like.
Specifically, the isolation module 4 includes an isolation power module 41 and an isolation communication module 42, where a power output end of the isolation power module 41 is connected with the isolation communication module 42, the dual-mode communication module 5 and the data storage module 6, the isolation communication module 42 is connected with the level signal conversion module 3 and the dual-mode communication module 5, the isolation power module 41 includes a chip U3, the chip U3 is a B0503S-1W type, the isolation communication module 42 includes a chip U4, and the chip U4 is a P122U31 type.
By adopting the technical scheme, the isolation power module 41 converts 5V power output by the regulated power supply module 2 into 3V power to supply power to the isolation communication module 42, the dual-mode communication module 5 and the data storage module 6; the isolated communication module 42 of the present utility model achieves communication isolation from the host device to avoid interference and impact with each other.
Specifically, the level signal conversion module 3 includes a chip U5, 16 pins of the chip U5 are connected with a capacitor C6 and one end of a capacitor C7 respectively, the other end of the capacitor C6 is connected with 2 pins of the chip U5, the other end of the capacitor C7 is connected with a ground terminal, 3 pins of the chip U5 are connected with one end of a capacitor C10, the other end of the capacitor C10 is connected with 1 pin of the chip U5, 5 pins of the chip U5 are connected with one end of a capacitor C11, and the other end of the capacitor C11 is connected with 4 pins of the chip U5. The model of the chip U5 is SP232EEN.
By adopting the technical scheme, the conversion of the RS232 signal and the TTL signal is realized.
Specifically, the communication signals of the dual-mode communication module 5 are bluetooth and WIFI communication, the dual-mode communication module 5 includes a chip U1, and the chip U1 selects an ESP32-C3 type.
Through adopting above-mentioned technical scheme, upload to remote management platform through WIFI communication, or bluetooth communication is connected with on-the-spot cell-phone APP to realize long-range and local management.
Example 2
This embodiment differs from embodiment 1 in that: specifically, the regulated power supply module 2 includes a chip U2, the chip U2 is an ME6118a33PG type, the 2 pin of the chip U2 is connected with one end of the capacitor C1, the 3 pin of the chip U2 is connected with one ends of the capacitor C2 and the capacitor C3, and the other ends of the capacitor C1, the capacitor C2 and the capacitor C3 are connected with the ground terminal.
Through adopting above-mentioned technical scheme, electric capacity C1 and electric capacity C2 are 100uF electric capacity, realize power supply's filtering effect, provide steady power supply.
Example 3
This embodiment differs from embodiment 1 in that: specifically, a diode D3 is connected between the 1 pin of the DB9 interface 1 and the chip U2, a diode D2 is connected between the 2 pin of the DB9 interface 1 and the chip U2, and a diode D3 is connected between the 3 pin of the DB9 interface 1 and the chip U2.
By adopting the technical scheme, the types of the diode D2 and the diode D3 are SMBJ15AC type, and the diode D2 and the diode D3 are used as transient suppression protection devices of the DB9 interface 1.
In summary, the utility model obtains power supply and collects real-time operation data of the equipment by connecting the DB9 interface 1 with the equipment such as an inverter or an alternating current converter, and the like, so that independent power supply is not needed, the flexibility and convenience of field use are improved, and the application cost is reduced; according to the utility model, through the arrangement of the data storage module 6, the local data storage function can be realized in the states of remote connection, disconnection and the like; the isolated communication module 42 of the present utility model achieves communication isolation with the host device, thereby avoiding interference and influence with each other; the communication signals of the dual-mode communication module 5 are Bluetooth and WIFI communication, and the Bluetooth communication is uploaded to a remote management platform or is connected with a field mobile phone APP, so that remote and local management is realized.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. An isolated data acquisition communication device based on DB9 interface electricity acquisition, its characterized in that: the power supply comprises a DB9 interface, wherein a pin 1, a pin 2 and a pin 3 of the DB9 interface are respectively connected with the input end of a voltage-stabilized power supply module, the pin 2 and the pin 3 of the DB9 interface are also connected with a level signal conversion module, the output end of the voltage-stabilized power supply module is respectively connected with the level signal conversion module and an isolation module, the level signal conversion module is connected with the isolation module, the isolation module is connected with a dual-mode communication module, and the dual-mode communication module is connected with a data storage module.
2. The DB9 interface-based power taking isolated data acquisition communication device of claim 1, characterized in that: the isolation module comprises an isolation power supply module and an isolation communication module, wherein the power supply output end of the isolation power supply module is respectively connected with the isolation communication module, the dual-mode communication module and the data storage module, and the isolation communication module is respectively connected with the level signal conversion module and the dual-mode communication module.
3. The DB9 interface-based power taking isolated data acquisition communication device of claim 1, characterized in that: the regulated power supply module comprises a chip U2, a pin 2 of the chip U2 is connected with one end of a capacitor C1, a pin 3 of the chip U2 is connected with one ends of a capacitor C2 and a capacitor C3 respectively, and the other ends of the capacitor C1, the capacitor C2 and the capacitor C3 are connected with a grounding end respectively.
4. The DB9 interface-based power taking isolated data acquisition communication device of claim 1, characterized in that: a diode D3 is connected between the 1 pin of the DB9 interface and the chip U2, a diode D2 is connected between the 2 pin of the DB9 interface and the chip U2, and a diode D3 is connected between the 3 pin of the DB9 interface and the chip U2.
5. The DB9 interface-based power taking isolated data acquisition communication device of claim 1, characterized in that: the level signal conversion module comprises a chip U5, 16 pins of the chip U5 are respectively connected with a capacitor C6 and one end of a capacitor C7, the other end of the capacitor C6 is connected with 2 pins of the chip U5, the other end of the capacitor C7 is connected with a grounding end, 3 pins of the chip U5 are connected with one end of a capacitor C10, the other end of the capacitor C10 is connected with 1 pin of the chip U5, 5 pins of the chip U5 are connected with one end of a capacitor C11, and the other end of the capacitor C11 is connected with 4 pins of the chip U5.
6. The DB9 interface-based power-taking isolated data acquisition communication device of claim 5, further comprising: the model of the chip U5 is SP232EEN.
7. The DB9 interface-based power taking isolated data acquisition communication device of claim 1, characterized in that: the communication signals of the dual-mode communication module are Bluetooth and WIFI communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378954.3U CN220709776U (en) | 2023-09-01 | 2023-09-01 | Isolation type data acquisition communication device based on DB9 interface electricity taking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322378954.3U CN220709776U (en) | 2023-09-01 | 2023-09-01 | Isolation type data acquisition communication device based on DB9 interface electricity taking |
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| CN220709776U true CN220709776U (en) | 2024-04-02 |
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| CN202322378954.3U Active CN220709776U (en) | 2023-09-01 | 2023-09-01 | Isolation type data acquisition communication device based on DB9 interface electricity taking |
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2023
- 2023-09-01 CN CN202322378954.3U patent/CN220709776U/en active Active
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