CN215681658U - Universal signal sensing interface module and cable grounding box sensing door - Google Patents
Universal signal sensing interface module and cable grounding box sensing door Download PDFInfo
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- CN215681658U CN215681658U CN202121535345.9U CN202121535345U CN215681658U CN 215681658 U CN215681658 U CN 215681658U CN 202121535345 U CN202121535345 U CN 202121535345U CN 215681658 U CN215681658 U CN 215681658U
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Abstract
The utility model relates to a universal signal sensing interface module and a cable grounding box sensing door, which are used for connecting different types of sensor plugs, wherein the signal sensing interface module comprises a sensor socket, the sensor socket comprises a signal line, a signal ground line, a power supply line, a grounding line, a voltage acquisition line, a resistor in the signal sensing interface module and an analog-to-digital conversion module, the signal line is connected with a signal post, the signal ground line is connected with the signal ground post, the power supply line is connected into a first input end of the analog-to-digital conversion module through the resistor in the signal sensing interface module, the power supply post is connected into a first input end of the analog-to-digital conversion module, and the grounding post is connected with a second input end of the analog-to-digital conversion module after being connected with the grounding line. Compared with the prior art, the plug-and-play method and the system do not need to confirm the interface by technical personnel, can realize plug-and-play, are convenient and quick, and improve the efficiency of installation and deployment; the cable grounding box perception door has promoted high tension cable fortune efficiency and security of maintaining.
Description
Technical Field
The utility model relates to the technical field of cable state monitoring, in particular to a universal signal sensing interface module and a cable grounding box sensing door.
Background
Electric power is a necessary energy source for the country, and the grounding box is an important accessory on a high-voltage cable and is key equipment for ensuring normal power transmission. When a long-line high-voltage single-core cable runs, the outer protective layer sleeve of the cable is very easy to puncture due to overvoltage generated by electromagnetic induction or equipment fault, so that the multipoint ground fault of the single-core cable is formed, the cable protective layer protector can effectively limit the induced voltage of a metal shielding layer of the cable and the overvoltage of the equipment fault, and the normal running of the cable is better protected. The cable sheath protector is mainly used for a cable sheath protection grounding box and a cable sheath cross interconnection grounding box. In the grounding box body, the cable sheath protects the grounding circulation, the temperature at the cable joint is overhigh, the partial discharge of the cable and the like, and the operation reliability of the cable grounding box body can be influenced.
Aiming at the problems of partial discharge and temperature rise of the high-voltage cable caused by the cable grounding box body, the conventional method is periodic manual single-point detection, but a large amount of manpower and material resources are consumed.
Application number 202121483314.3's utility model discloses a to set up monitoring module and battery module on the ground connection chamber door, monitor to reduce occupation space's design, but the interface in its detection module need insert the sensor of ground connection incasement different grade type and connect, need the artifical interface of affirmation of operating personnel during the installation, take care of according to the sensor signal of different grade type for follow-up, but complex operation just has the mistake to insert the risk.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects that in the prior art, an operator needs to confirm an interface manually, the operation is complicated and the risk of misplugging exists, and provides a universal signal sensing interface module and a cable grounding box sensing door.
The purpose of the utility model can be realized by the following technical scheme:
a universal signal sensing interface module is used for connecting different types of sensor plugs, the sensor plugs comprise signal columns, signal ground columns, power columns and grounding columns, the connecting lines of the power columns and the grounding columns are internally provided with sensor internal resistances, the signal sensing interface module comprises sensor sockets, and the sensor sockets respectively comprise signal lines, signal ground lines, power lines, grounding lines, voltage acquisition lines, resistors in the signal sensing interface module and an analog-to-digital conversion module,
the signal line is connected with the signal column, the signal ground line is connected with the signal ground column, the power line is connected with the first input end of the analog-to-digital conversion module through the internal resistance of the signal sensing interface module, the power column is connected with the first input end of the analog-to-digital conversion module, the grounding column is connected with the second input end of the analog-to-digital conversion module after being connected with the grounding line, and the output end of the analog-to-digital conversion module is connected with the voltage acquisition line.
Further, the sensor plug is a four-core push-pull type aviation plug.
Further, the number of the sensor plugs is multiple.
The utility model also provides a cable grounding box sensing door adopting the universal signal sensing interface module, which comprises a grounding box door main body, an embedded bottom plate, a monitoring unit and a battery unit, wherein two grooves are formed in one side of the embedded bottom plate and are respectively used for mounting the monitoring unit and the battery unit; the other side fixed connection ground connection chamber door main part, the monitoring unit is including the signal sensing interface module, signal conditioning module, intermittent type nature sampling module, host system and the communication module of a general formula that connect gradually, the battery cell is the power supply of whole monitoring unit.
Further, the sensor plug comprises a high-frequency current intelligent sensor plug, a grounding circulation intelligent sensor plug and a temperature intelligent sensor plug.
Furthermore, the grounding box door main body is a rectangular metal sheet.
Furthermore, a rectangular groove is formed in the middle of the grounding box door main body, the embedded bottom plate is installed in the rectangular groove, threaded installation holes are formed in the periphery of the embedded bottom plate, and the embedded bottom plate is connected with the grounding box door main body through the threaded installation holes through screws.
Furthermore, the embedded bottom plate is a concave sheet metal structural part.
Further, the battery unit is a lithium ion battery.
Furthermore, the communication module is an external antenna.
Compared with the prior art, the utility model has the following advantages:
(1) according to the utility model, by utilizing the difference of different resistance values of the internal resistances of the sensors in different sensor plugs, the internal resistance of the signal sensing interface module is arranged in the sensor socket of the signal sensing interface module and is used for being connected with the internal resistance of the sensor in series, and the voltage at two ends of the internal resistance of the sensor is obtained through the analog-to-digital conversion module and is converted into a digital signal to be output, the type of the sensor plug can be judged according to the digital signal, and the automatic judgment of the type of the inserted sensor plug can be realized through conventional experimental data acquisition.
(2) According to the utility model, the mode that the monitoring unit and the battery unit are arranged on the grounding box door main body is provided, and the intermittent sampling module is adopted, so that the daily state detection work of the cable can be changed from periodic manual single-point detection into daily automatic reporting of the monitoring unit, 98% of unmanned state can be achieved, and the operation and maintenance efficiency and safety of the high-voltage cable are improved.
Drawings
FIG. 1 is a front view of a sensor plug;
FIG. 2 is a schematic diagram of a different type of sensor plug;
fig. 3 is a schematic structural diagram of a general signal sensing interface module according to an embodiment of the present invention;
fig. 4 is a schematic usage status diagram of a universal signal sensing interface module according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a cable grounding box sensing door provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a monitoring unit according to an embodiment of the present invention;
in the figure, 1, a sensor plug, 11, a high-frequency current sensor plug, 12, a ground loop current sensor plug, 13, a temperature sensor plug, 101, a signal column, 102, a signal ground column, 103, a power column, 104, a ground column, 105, sensor internal resistance, 2, a signal sensing interface module, 201, a signal line, 202, a signal ground line, 203, a power line, 204, a ground line, 205, a voltage acquisition line, 206, a signal sensing interface module internal resistance, 207, an analog-to-digital conversion module, 3, a ground box door main body, 4, an embedded bottom plate, 5, a monitoring unit, 6, a battery unit, 7, a groove, 8, a signal conditioning module, 9, a gap sampling module, 10, a main control module, 11 and a communication module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention 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 figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
Example 1
Referring to fig. 1 to 4, the present embodiment provides a universal signal sensing interface module, which is used to connect different types of sensor plugs 1, where the sensor plug 1 includes a signal post 101, a signal ground post 102, a power post 103, and a ground post 104, a sensor internal resistance 105 is disposed in a connection line between the power post 103 and the ground post 104, the signal sensing interface module 2 includes a plurality of sensor sockets, each of which includes a signal line 201, a signal ground line 202, a power line 203, a ground line 204, a voltage collecting line 205, a signal sensing interface module internal resistance 206, and an analog-to-digital conversion module 207,
the signal line 201 is connected with the signal column 101, the signal ground line 202 is connected with the signal ground column 102, the power line 203 is connected with a first input end of the analog-to-digital conversion module 207 through a resistor 206 in the signal sensing interface module, the power column 103 is connected with a first input end of the analog-to-digital conversion module 207, the grounding column 104 is connected with a grounding line 204 and then connected with a second input end of the analog-to-digital conversion module 207, and an output end of the analog-to-digital conversion module 207 is connected with the voltage acquisition line 205.
Specifically, the signal sensing interface module is a module for multi-signal access and automatic signal type identification, can automatically identify the type of the sensor for the same connector of different monitoring sensors, and performs automatic matching of partial discharge, grounding circulation and temperature signal conditioning for a subsequent conditioning module. The interface does not need to be confirmed by technicians, plug and play is realized, convenience and rapidness are realized, and the installation and deployment efficiency is improved.
The sensor plug is a four-core push-pull type aviation plug; circuits with different resistors are configured in different sensors for identifying the types of the sensors;
and the signal sensing interface module is a different sensor access module and is used for signal sensing access through a unified 4-core plug. The signal sensor interface module internally comprises a signal automatic identification circuit and is used for identifying different input signals; the automatic identification circuit is mainly used for confirming the type of the input signal by calculating different voltage values; different signals are automatically matched to the conditioning module according to different voltage values, and different sensing signals are conditioned.
In this embodiment, the difference between the resistance values of the internal resistances 105 of the sensors in the different sensor plugs 1 is utilized, the internal resistance 206 of the signal sensing interface module is arranged inside the sensor socket of the signal sensing interface module 2, and is used for being connected in series with the internal resistance 105 of the sensor, and is used for acquiring the voltages at the two ends of the internal resistance 105 of the sensor through the analog-to-digital conversion module 207, and converting the voltages into digital signals to be output, the type of the sensor plug 1 can be judged according to the digital signals, data is acquired through conventional experiments, automatic judgment of the type of the inserted sensor plug 1 can be realized, during use, the interface does not need to be confirmed by technicians, plug and play is realized, and the plug and play is convenient and fast, and the installation and deployment efficiency is improved.
Example 2
Referring to fig. 5 and 6, the present embodiment provides a cable grounding box sensing door using a universal signal sensing interface module according to embodiment 1, including a grounding box door main body 3, an embedded bottom plate 4, a monitoring unit 5 and a battery unit 6, wherein one side of the embedded bottom plate 4 is provided with two grooves 7 for installing the monitoring unit 5 and the battery unit 6, respectively; the other side is fixedly connected with the grounding box door main body 3, the monitoring unit 5 comprises a universal signal sensing interface module, a signal conditioning module 8, a gap sampling module 9, a main control module 10 and a communication module 11 which are sequentially connected, and the battery unit 6 supplies power for the whole monitoring unit 5.
The signal conditioning module 8 is used for carrying out amplification, demodulation, peak value holding and other processing on signals, the intermittent sampling module 9 is used for carrying out low-speed interval data acquisition on the signals, the data acquisition interval can be adjusted according to actual requirements, the balance of monitoring function and long-time operation is realized, and the long-term general measurement and early warning requirements of the cable box can be met; the main control module 10 is used for carrying out operation control and control data receiving and sending on the whole perception door, the communication module 11 is used for carrying out wireless data transmission, the signal conditioning module 8, the intermittent sampling module 9, the software processing method in the main control module 10 and the communication module 11 can be realized by adopting the prior art, the improvement point of the application is not the improvement point of the application, the improvement point of the application lies in that the mode of arranging the monitoring unit 5 and the battery unit 6 on the grounding box door main body 3 is provided, and through the intermittent sampling module 9, the daily state detection work of the cable can be automatically reported every day by changing the periodic manual single-point detection into the monitoring unit 5, 98 percent of unmanned performance can be achieved, and the efficiency and the safety of the high-voltage cable operation and maintenance are improved.
Specifically, the sensor plug 1 comprises a high-frequency current smart sensor plug 11, a grounded circulating current smart sensor plug 12 and a temperature smart sensor plug 13.
The grounding box door main body 3 is a rectangular metal thin plate. The middle part of the grounding box door main body 3 is provided with a rectangular groove 7, the embedded bottom plate 4 is installed in the rectangular groove 7, threaded mounting holes are formed in the periphery of the embedded bottom plate 4, the embedded bottom plate 4 is connected with the grounding box door main body 3 through screws through the threaded mounting holes, and the embedded bottom plate 4 is a concave sheet metal structural member.
The battery cell 6 is a lithium ion battery, and is chargeable and dischargeable. The communication module 11 is an external antenna to realize wireless signal transmission.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. A universal signal sensing interface module is used for connecting different types of sensor plugs (1), the sensor plugs (1) comprise signal posts (101), signal ground posts (102), power posts (103) and ground posts (104), and sensor internal resistances (105) are arranged in connecting lines of the power posts (103) and the ground posts (104), and the universal signal sensing interface module is characterized in that the signal sensing interface module (2) comprises sensor sockets which respectively comprise signal lines (201), signal ground lines (202), power lines (203), ground lines (204), voltage acquisition lines (205), signal sensing interface module internal resistances (206) and an analog-to-digital conversion module (207),
the signal line (201) is connected with the signal column (101), the signal ground line (202) is connected with the signal ground column (102), the power line (203) is connected with a first input end of the analog-to-digital conversion module (207) through the signal sensing interface module internal resistor (206), the power column (103) is connected with a first input end of the analog-to-digital conversion module (207), the grounding column (104) is connected with a second input end of the analog-to-digital conversion module (207) after being connected with the grounding line (204), and an output end of the analog-to-digital conversion module (207) is connected with the voltage acquisition line (205).
2. A universal signal sensing interface module according to claim 1, characterized in that the sensor plug (1) is a four-core push-pull type aviation plug.
3. A universal signal sensing interface module according to claim 1, characterized in that the number of said sensor plugs (1) is plural.
4. The cable grounding box sensing door adopting the universal signal sensing interface module as claimed in claim 1, characterized by comprising a grounding box door main body (3), an embedded bottom plate (4), a monitoring unit (5) and a battery unit (6), wherein one side of the embedded bottom plate (4) is provided with two grooves (7) for mounting the monitoring unit (5) and the battery unit (6) respectively; the other side is fixedly connected with the grounding box door main body (3), the monitoring unit (5) comprises the universal signal sensing interface module, the signal conditioning module (8), the intermittent sampling module (9), the main control module (10) and the communication module (11) which are sequentially connected according to claim 1, and the battery unit (6) supplies power for the whole monitoring unit (5).
5. The cable grounding box perception door of claim 4, characterized in that the sensor plugs (1) include a high frequency current smart sensor plug (11), a grounded circulating current smart sensor plug (12), and a temperature smart sensor plug (13).
6. The cable grounding box sensing door of claim 4, wherein the grounding box door body (3) is a rectangular sheet metal.
7. The cable grounding box sensing door as claimed in claim 6, wherein a rectangular groove (7) is formed in the middle of the grounding box door main body (3), the embedded bottom plate (4) is installed in the rectangular groove (7), threaded installation holes are formed in the periphery of the embedded bottom plate (4), and the embedded bottom plate (4) is connected with the grounding box door main body (3) through the threaded installation holes through screws.
8. The cable grounding box perception door of claim 4, characterized in that the flush mounting bottom plate (4) is a concave sheet metal structure.
9. The cable grounding box perception door of claim 4, characterized in that the battery unit (6) is a lithium ion battery.
10. The cable grounding box perception door of claim 4, characterized in that the communication module (11) is an external antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535345.9U CN215681658U (en) | 2021-07-07 | 2021-07-07 | Universal signal sensing interface module and cable grounding box sensing door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121535345.9U CN215681658U (en) | 2021-07-07 | 2021-07-07 | Universal signal sensing interface module and cable grounding box sensing door |
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| Publication Number | Publication Date |
|---|---|
| CN215681658U true CN215681658U (en) | 2022-01-28 |
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| CN202121535345.9U Active CN215681658U (en) | 2021-07-07 | 2021-07-07 | Universal signal sensing interface module and cable grounding box sensing door |
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- 2021-07-07 CN CN202121535345.9U patent/CN215681658U/en active Active
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