CN219716229U - Electric quantity transmission device - Google Patents
Electric quantity transmission device Download PDFInfo
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- CN219716229U CN219716229U CN202320225434.6U CN202320225434U CN219716229U CN 219716229 U CN219716229 U CN 219716229U CN 202320225434 U CN202320225434 U CN 202320225434U CN 219716229 U CN219716229 U CN 219716229U
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- 238000012545 processing Methods 0.000 claims description 38
- 238000006243 chemical reaction Methods 0.000 claims description 10
- 238000002955 isolation Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000004891 communication Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
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Abstract
The utility model provides an electric quantity transmission device, which belongs to the technical field of RTU devices, and comprises a control box, an electric quantity monitoring mechanism, a DIN (DIN) guide rail and a sliding connection structure, wherein the electric quantity monitoring mechanism comprises a main board, an electric quantity acquisition component and a wireless transmission component, the electric quantity acquisition component and the wireless transmission component are respectively connected to the main board, and one end of the DIN guide rail is detachably connected to the control box; the sliding component is slidably connected to the bottom of the control box, so that the locking part can lock the sliding component and the control box when the sliding connection structure is abutted to the other end of the DIN guide rail. The utility model can collect and wirelessly transmit the electric quantity information of the external equipment, has the advantages of convenient installation and disassembly, simple structure, low cost and easy realization, and can improve the efficiency of on-site installation and maintenance.
Description
Technical Field
The utility model relates to the technical field of RTU devices, in particular to an electric quantity transmission device.
Background
In the electricity utilization management of oil gas production process technology, automatic instrument technology and communication technology, the electric power parameters need to be monitored in real time to ensure the safe, reliable and efficient work of the electric power parameters. However, the conventional power information data device has the following limitations: firstly, a large number of modules transmit based on wired data, but have a limit that the transmission distance is relatively short; secondly, the electric quantity transmission device is complicated in field installation and high in maintenance cost.
Disclosure of Invention
The utility model aims to provide an electric quantity transmission device, which can be installed with the DIN guide rail more simply through the sliding fixing mechanism, can access equipment through WiFi wireless through the display assembly, the wireless communication assembly and the central microprocessor, can conveniently check and modify equipment parameters in real time, reduces the number of times of personnel pole climbing operation, and improves the safety of the equipment.
In order to achieve the purpose of the utility model, the utility model adopts the following technical scheme:
according to one aspect of the present utility model, there is provided an electrical power transmission device. The power transmission device includes:
a control box;
the electric quantity monitoring mechanism is detachably connected to the control box and comprises a main board, an electric quantity acquisition assembly and a wireless transmission assembly, and the electric quantity acquisition assembly and the wireless transmission assembly are respectively connected to the main board;
a DIN rail having one end detachably connected to the control box;
the sliding connection structure comprises a sliding component and a locking part, wherein the sliding component is slidably connected to the bottom of the control box, so that the locking part can lock the sliding component and the control box when the sliding connection structure is abutted to the other end of the DIN guide rail.
According to one embodiment of the utility model, the DIN guide rail comprises a DIN guide plate body, a first flanging and a second flanging, wherein the first flanging and the second flanging are fixedly connected to two sides of the DIN guide plate body, a limit buckle corresponding to the first flanging is arranged on the outer side of the bottom of the control box, and the first flanging is clamped with the limit buckle;
the slip assembly includes:
the sliding plate is positioned below the control box;
the limiting screw is fixedly connected to one end, close to the second flanging, of the sliding plate, an L-shaped through hole corresponding to the limiting screw is formed in the bottom of the control box, and the limiting screw can be inserted into the L-shaped through hole and moves along the L-shaped through hole;
the limiting plate is connected to one side, close to the second flanging, of the sliding plate;
when the limit screw is nearest to the second flanging, the limit plate is abutted to the DIN guide rail, and the limit buckle, the sliding assembly and the locking part are matched to realize connection of the control box and the DIN guide rail.
According to one embodiment of the utility model, the limit screw comprises a stud and a nut, and the L-shaped through hole comprises a vertical hole section and a horizontal hole section, wherein the width of the horizontal hole section is larger than the diameter of the nut, and the width of the vertical hole section is larger than the diameter of the stud and smaller than the diameter of the nut.
According to an embodiment of the present utility model, the locking portion includes:
the limiting waist hole is formed in the bottom of the control box, and the length direction of the limiting waist hole is parallel to the length direction of the vertical hole section;
the threaded hole is formed in the sliding plate;
when the limiting plate is abutted to the DIN guide rail, the threaded hole corresponds to the limiting waist hole up and down, and the threaded hole is connected with the limiting waist hole through a bolt.
According to an embodiment of the present utility model, the power monitoring mechanism includes:
the main board, the electric quantity acquisition component and the wireless transmission component are respectively connected with the mounting plate;
the electric quantity monitoring device comprises a control box and is characterized in that a mounting column is arranged on the inner side of the bottom of the control box, a mounting hole corresponding to the mounting column is formed in the mounting plate, and the mounting column penetrates through the mounting hole to realize connection of the control box and the electric quantity monitoring mechanism.
According to an embodiment of the present utility model, the main board includes a central processing unit, and the power collection assembly includes:
the three-phase current interface module is connected with the central processing unit and is used for collecting three-phase current of the circuit;
the three-phase voltage interface module is connected with the central processing unit and is used for collecting three-phase voltages of the circuit;
the wireless transmission assembly includes:
the wireless transmission module is connected with the central processing unit;
the wireless antenna is connected with the wireless transmission module;
the central processing unit acquires electric quantity information in real time through the three-phase current interface module and the three-phase voltage interface module, and transmits the electric quantity information to an external terminal through the wireless transmission module.
According to an embodiment of the present utility model, the power collection assembly includes a DI interface terminal and a DO interface terminal for connecting to an external device, and the main board further includes:
the DO interface module comprises a first photoelectric isolator connected to the DO interface end;
the DI interface module comprises a second photoelectric isolator connected to the DI interface end;
the interface module comprises a level conversion module and an interface;
the first photoelectric isolator and the second photoelectric isolator are connected to the central processing unit so as to isolate electric signals between the central processing unit and the external equipment.
According to an embodiment of the utility model, the central processing unit IS a GD32F303RGT6 chip, the first photo-isolator IS a PS2801-4 chip, the second photo-isolator IS a ULN2003 chip, and the level conversion module IS a CA-IS3082WX chip.
According to an embodiment of the present utility model, the control box further comprises a control box cover covering the main board, the control box cover is detachably connected to the control box, and the control box cover includes:
the longitudinal section of the cover plate is inverted U-shaped;
the two lug plates are symmetrically arranged on two sides of the cover plate, and the top parts of the lug plates are fixedly connected to the top parts of the cover plate and are used for being connected to the control box;
the control box includes:
the top of the box body is provided with an opening;
the two connecting plates are symmetrically arranged on the top wall of the box body, and the connecting plates are detachably connected with the lug plates.
According to an embodiment of the present utility model, the method further includes:
the lamp panel is positioned in the cover plate and connected with the mounting plate;
the lamp panel is connected with an indicator lamp, and the cover plate is provided with a lamp hole corresponding to the indicator lamp and an antenna hole corresponding to the wireless antenna.
According to an embodiment of the present utility model, wherein,
one embodiment of the present utility model has the following advantages or benefits:
according to the utility model, through the electric quantity acquisition assembly, the main board and the wireless transmission assembly, the electric quantity information of the field instrument can be acquired in real time and transmitted to an upper computer, a remote monitoring device such as a mobile phone, a computer, an IPAD (Internet protocol ad), a handheld monitor and the like, so that a user can conveniently access and view the electric quantity information remotely.
The control box and the DIN guide rail can be fixed through the sliding connection structure, the installation and the disassembly are convenient, the structure is simple, the cost is low, the implementation is easy, and the field installation and maintenance efficiency can be improved.
Drawings
The above and other features and advantages of the present utility model will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a schematic diagram of an electrical power transmission device according to an exemplary embodiment.
Fig. 2 is an exploded view of an electric power transmission device according to an exemplary embodiment.
FIG. 3 is a schematic diagram of a control box shown according to an example embodiment.
FIG. 4 is a schematic diagram of a slip assembly, according to an example embodiment.
Fig. 5 is a schematic diagram illustrating the connection of a three-phase current interface module, a three-phase voltage interface module, a DI interface module, a DO interface module, a 485 interface module, a wireless transmission module, and a central processing unit according to an exemplary embodiment.
Fig. 6 is a schematic diagram illustrating an operation principle of the power transmission device according to an exemplary embodiment.
Wherein reference numerals are as follows:
1. a control box; 10. limiting buckle; 11. an L-shaped through hole; 111. a vertical bore section; 112. a horizontal bore section; 100. a case body; 101. a connecting plate;
2. an electric quantity monitoring mechanism; 20. a mounting plate; 201. a mounting hole; 21. an electric quantity acquisition component; 22. a central processing unit; 23. a wireless transmission module; 24. a wireless antenna;
3. DIN rail;
4. a slip connection structure; 41. a slip assembly; 411. a slip plate; 412. a limit screw; 413. a limiting plate; 42. a locking part; 421. limiting the waist hole; 422. a threaded hole;
5. controlling the box cover; 51. a cover plate; 511. a lamp hole; 52. ear plate.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted.
The terms "a," "an," "the" and "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.
As shown in fig. 1 to 6, fig. 1 shows a schematic diagram of an electric power transmission device provided by the present utility model. Fig. 2 shows an exploded view of the power transmission device provided by the utility model. Fig. 3 shows a schematic diagram of a control box 1 provided by the present utility model. Fig. 4 shows a schematic view of a slip assembly 41 provided by the present utility model. Fig. 5 shows a schematic diagram of the connection of the three-phase current interface module, the three-phase voltage interface module, the DI interface module, the DO interface module, the 485 interface module, the wireless transmission module and the central processing unit 22 provided by the present utility model. Fig. 6 shows a schematic diagram of the working principle of the power transmission device provided by the utility model.
An electric quantity transmission device according to an embodiment of the present utility model includes:
a control box 1;
the electric quantity monitoring mechanism 2 is detachably connected to the control box 1, the electric quantity monitoring mechanism 2 comprises a main board, an electric quantity acquisition component 21 and a wireless transmission component, and the electric quantity acquisition component 21 and the wireless transmission component are respectively connected to the main board;
a DIN rail 3 having one end detachably connected to the control box 1;
the sliding connection structure 4 comprises a sliding component 41 and a locking part 42, wherein the sliding component 41 is slidably connected to the bottom of the control box 1, so that the locking part 42 can lock the sliding component 41 and the control box 1 when the sliding connection structure 4 is abutted to the other end of the DIN guide rail 3.
Wherein, electric quantity monitoring mechanism 2 can dismantle and connect in control box 1, and control box 1 can dismantle the one end of connecting in DIN guide rail 3, and locking portion 42 can lock and slide subassembly 41 and control box 1 when the subassembly 41 butt is in DIN guide rail 3's the other end, and then has realized the equipment of control box 1 and DIN guide rail 3, and the installation is dismantled conveniently, simple structure, advantage with low costs and easy realization can improve the efficiency of on-the-spot installation and maintenance.
The electric quantity acquisition component 21 can acquire electric quantity information of external equipment in real time, and feed back the acquired electric quantity information to the main board, and the main board transmits the received electric quantity information to an upper computer, a remote monitoring device such as a mobile phone, a computer, an IPAD (internet protocol security) and a handheld monitor through the wireless transmission component, so that a user can conveniently access and check the electric quantity information remotely, and timely make corresponding work arrangement, the limitation of relatively short distance caused by transmission of wired data can be overcome, the pole climbing operation maintenance of personnel is reduced, and the safety of on-site operation is improved. The external device of the present utility model may be a field instrument such as an RTU device or the like.
In a preferred embodiment of the present utility model, the DIN rail 3 includes a DIN guide plate body, and a first flange and a second flange fixedly connected to both sides of the DIN rail 3 body, and a limit buckle 10 corresponding to the first flange is disposed at the outer side of the bottom of the control box 1, and the first flange is clamped to the limit buckle 10;
the slip assembly 41 includes:
a sliding plate 411 positioned below the control box 1;
the limiting screw 412 is fixedly connected to one end of the sliding plate 411, which is close to the second flanging, an L-shaped through hole 11 corresponding to the limiting screw 412 is formed in the bottom of the control box 1, and the limiting screw 412 can be inserted into the L-shaped through hole 11 and move along the L-shaped through hole 11;
the limiting plate 413 is connected to one side of the sliding plate 411, which is close to the second flanging;
wherein, when the stop screw 412 is closest to the second flanging, the stop plate 413 abuts against the DIN rail 3, and the connection between the control box 1 and the DIN rail 3 is realized by the cooperation of the stop buckle 10, the sliding component 41 and the locking part 42.
As shown in fig. 2-4, the limiting buckle 10 is located at two sides of the DIN rail 3 with the L-shaped through hole 11, the limiting buckle 10 is located at one side close to the first flanging, the L-shaped through hole 11 is located at one side close to the second flanging, the sliding component 41 is connected with the L-shaped through hole 11, specifically, the first flanging is clamped into the limiting buckle 10, the limiting screw 412 is inserted into the L-shaped through hole 11 and moves along the L-shaped through hole 11 so as to drive the sliding plate 411 and the limiting plate 413 to move along with the L-shaped through hole, when the limiting screw 412 is closest to the second flanging, the limiting plate 413 is abutted to the DIN rail 3, the sliding component 41 and the control box 1 can be locked by the locking part 42, the position of the sliding component 41 is fixed, and the limiting plate 413 and the limiting buckle 10 are abutted to the DIN rail 3 respectively so as to realize connection of the control box 1 and the DIN rail 3, the structure is reasonable, the operation is simple, and the installation and maintenance efficiency is improved.
In a preferred embodiment of the present utility model, the limit screw 412 comprises a stud and a nut, and the L-shaped through hole 11 comprises a vertical hole section 111 and a horizontal hole section 112, wherein the width of the horizontal hole section 112 is larger than the diameter of the nut, and the width of the vertical hole section 111 is larger than the diameter of the stud and smaller than the diameter of the nut.
As shown in fig. 2-4, since the diameter of the screw cap is larger than that of the stud, in order to facilitate the assembly and disassembly of the sliding component 41 and the mounting box, the utility model uses the horizontal hole section 112 with a diameter larger than that of the screw cap, and the vertical hole section 111 with a width larger than that of the stud with a diameter smaller than that of the screw cap for guiding the sliding component 41.
In a preferred embodiment of the present utility model, the locking portion 42 includes:
a limiting waist hole 421 which is arranged at the bottom of the control box 1, and the length direction of the limiting waist hole 421 is parallel to the length direction of the vertical hole section 111;
screw hole 422, open to slipping plate 411;
when the limiting plate 413 abuts against the DIN rail 3, the threaded hole 422 and the limiting waist hole 421 vertically correspond, and the threaded hole 422 and the limiting waist hole 421 are connected through bolts.
As shown in fig. 3-4, the bottom of the control box 1 is provided with a limiting waist hole 421, the sliding plate 411 is provided with a threaded hole 422, when the limiting screw 412 is inserted into the horizontal hole section 112, at this time, the orifices of the limiting waist hole 421 and the threaded hole 422 are not communicated, when the limiting screw 412 moves to the vertical hole section 111, the projection of the center of the threaded hole 422 on the control box 1 is positioned on the central line of the limiting waist hole 421, along with the movement of the limiting screw 412 along the vertical hole section 111 towards the direction close to the second flanging, the threaded hole 422 also moves along with the same direction, when the limiting plate 413 is abutted to the DIN rail 3, the threaded hole 422 moves to the lower side of the limiting waist hole 421, namely, the limiting waist hole 421 and the threaded hole 422 are vertically communicated, at this time, the connection of the limiting waist hole 421 and the threaded hole 422 can be realized by using bolts, and the position of the sliding plate 411 is fixed, so that the locking of the sliding assembly 41 and the control box 1 is realized. It should be noted that the midline of the limiting waist hole 421 of the present utility model is the midline of the limiting waist hole 421 in the length direction.
In a preferred embodiment of the present utility model, the power monitoring mechanism 2 includes:
the mounting plate 20 is detachably connected to the inside of the control box 1, and the main board, the electric quantity acquisition assembly 21 and the wireless transmission assembly are respectively connected to the mounting plate 20;
wherein, the bottom inboard of control box 1 is provided with the erection column 12, and mounting panel 20 has seted up the mounting hole 201 that corresponds to erection column 12, and erection column 12 passes mounting hole 201 to realize the connection of control box 1 and electric quantity monitoring mechanism 2.
As shown in fig. 1-4, the main board, the electric quantity collection assembly 21 and the wireless transmission assembly are respectively connected to the mounting plate 20, 4 mounting columns 12 are arranged on the inner side of the bottom of the control box 1, the mounting plate 20 is sleeved on the mounting columns 12, and therefore alignment and mounting of the mounting plate 20 and the control box 1 can be achieved, and the operation is simple and convenient.
In a preferred embodiment of the present utility model, the main board includes a central processing unit 22, and the power harvesting assembly 21 includes:
the three-phase current interface module is connected with the central processing unit 22 and is used for collecting three-phase current of the circuit;
the three-phase voltage interface module is connected with the central processing unit 22 and is used for collecting the three-phase voltage of the circuit;
the wireless transmission assembly includes:
a wireless transmission module 23 connected to the central processing unit 22;
a wireless antenna 24 connected to the wireless transmission module 23;
the central processing unit 22 obtains the electric quantity information in real time through the three-phase current interface module and the three-phase voltage interface module, and transmits the electric quantity information to an external terminal through the wireless transmission module 23.
As shown in fig. 1-2, 5 and 6, the three-phase current interface module and the three-phase voltage interface module each include a transmitter circuit and a corresponding interface, the transmitter circuit being responsible for collecting the three-phase voltage input and/or the power parameters of the three-phase current input and transmitting them to the central processing unit 22.
The three-phase current interface module, the three-phase voltage interface module and the wireless transmission module 23 are respectively connected with serial port pins of the central processing unit 22, wherein the three-phase voltage interface module is used for collecting three-phase voltage current signals, the three-phase current interface module can collect data such as three-phase voltage and current, the function of collecting electric quantity can be realized, the electric quantity collection assembly 21 is used for uploading electric quantity information data collected through the central processing unit 22 after calculation, the electric quantity information real-time data are uploaded to an external terminal in a wireless mode, a far-end staff can check the electric quantity data at the terminal in real time, and collection, transmission and processing of the electric quantity data are simply and conveniently completed so as to realize remote control.
In a preferred embodiment of the present utility model, the power harvesting module 21 includes a DI interface terminal and a DO interface terminal for connecting to external devices, and the main board further includes:
the DO interface module comprises a first photoelectric isolator connected to the DO interface end;
the DI interface module comprises a second photoelectric isolator connected to the DI interface end;
485 interface module including level conversion module and 485 interface;
the first photoelectric isolator and the second photoelectric isolator are connected to the central processing unit 22 to isolate the electrical signals between the central processing unit 22 and external devices.
The central processing unit 22 IS a GD32F303RGT6 chip, the first photoelectric isolator chip IS a PS2801-4 chip, the second photoelectric isolator chip IS a ULN2003 chip, and the level conversion module IS a CA-IS3082WX chip.
As shown in fig. 1-2 and 5-6, the main board comprises 1 three-phase circuit interface, 1 three-phase voltage interface, 2 DI interface, 2 DO interface, 2 RS485 interface, the first photoelectric isolator and the second photoelectric isolator are connected with GPIO interface pins of the central processing unit 22 through DO interface end and DI interface end, so as to realize control on/off of the external device, and the first photoelectric isolator and the second photoelectric isolator are used for realizing isolation of electrical signals between the central processing unit 22 and the external device, so as to prevent strong signals of the external device from damaging the device.
The level conversion module is connected with the serial port pin of the central processing unit 22 and the 485 interface, the 485 interface is used as a debugging communication interface, and the level conversion module is used for realizing signal level conversion between the central processing unit 22 and 485 interface equipment.
The central processing unit 22 is a GD32F303RGT6 chip, is a domestic chip, has complete autonomy, does not have potential safety hazard, has high cost performance, and has more stable service support and supply period. The first photoelectric isolator chip IS a PS2801-4 chip, the second photoelectric isolator chip IS a ULN2003 chip, the level conversion module IS a CA-IS3082WX chip, and the wireless transmission module 23 IS a four-signal zigbee module, so that real-time data can be transmitted to an external terminal. The central processing unit of the device adopts a domestic processor chip, realizes the localization of the central processing unit of the device, and has the advantages of better safety, faster development speed, stronger adaptability to market and the like.
In a preferred embodiment of the present utility model, the control box cover 5 is further provided above the main board, the control box cover 5 is detachably connected to the control box 1, and the control box cover 5 includes:
the cover plate 51 is of an inverted U-shaped longitudinal section;
the two ear plates 52 are symmetrically arranged on two sides of the cover plate 51, and the top parts of the ear plates 52 are fixedly connected to the top part of the cover plate 51 and are used for being connected to the control box 1;
the control box 1 includes:
the top of the box body 100 is provided with an opening;
the two connecting plates 101, the two connecting plates 101 are symmetrically arranged on the top wall of the box body 100, and the connecting plates 101 are detachably connected with the ear plates 52.
As shown in fig. 1-3, the control box 1 includes a box body 100 and two connecting plates 101, the control box cover 5 includes a cover plate 51 with an inverted U shape and two ear plates 52, the cover plate 51 includes a horizontal portion and two vertical portions, the ear plates 52 are located between the two vertical portions, the cover plate 51 is connected with the connecting plates 101 through the ear plates 52, and the bottom of the vertical portions can be abutted to the mounting plate 20 to prevent displacement of the mounting plate 20. The control box cover 5 is detachably connected to the top of the control box 1, so that a main board on the mounting plate 20 can be protected, and the mounting plate 20 can be limited.
In a preferred embodiment of the present utility model, further comprising:
the lamp panel is positioned in the cover plate 51 and connected to the mounting plate 20;
wherein, the lamp panel is connected with an indicator lamp, and the cover plate 51 is provided with a lamp hole 511 corresponding to the indicator lamp and an antenna hole corresponding to the wireless antenna 24.
As shown in fig. 1-2, the indicator lamp includes a fault indicator lamp, a status indicator lamp, a data communication status indicator lamp, a DI display lamp, a DO display lamp, an expansion module communication indicator lamp, a network port communication lamp, a wifi communication indicator lamp, etc., for indicating the front working status of the device, and the wireless antenna 24 passes through the antenna hole and then is connected with the wireless transmission module 23.
In embodiments of the present utility model, the term "plurality" refers to two or more, unless explicitly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally attached. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the embodiments of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present utility model and to simplify the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the embodiments of the present utility model.
In the description of the present specification, the terms "one embodiment," "a preferred embodiment," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present utility model and is not intended to limit the embodiment of the present utility model, and various modifications and variations can be made to the embodiment of the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.
Claims (10)
1. An electrical power transmission device, comprising:
a control box (1);
the electric quantity monitoring mechanism (2) is detachably connected to the control box (1), the electric quantity monitoring mechanism (2) comprises a main board, an electric quantity acquisition component (21) and a wireless transmission component, and the electric quantity acquisition component (21) and the wireless transmission component are respectively connected to the main board;
a DIN rail (3) having one end detachably connected to the control box (1);
the sliding connection structure (4) comprises a sliding component (41) and a locking part (42), wherein the sliding component (41) is connected to the bottom of the control box (1) in a sliding mode, and when the sliding connection structure (4) is abutted to the other end of the DIN guide rail (3), the locking part (42) can lock the sliding component (41) and the control box (1).
2. The electric quantity transmission device according to claim 1, characterized in that the DIN rail (3) comprises a DIN guide plate body, and a first flange and a second flange fixedly connected to two sides of the DIN rail (3) body, a limit buckle (10) corresponding to the first flange is arranged on the outer side of the bottom of the control box (1), and the first flange is clamped with the limit buckle (10);
the slip assembly (41) comprises:
a sliding plate (411) positioned below the control box (1);
the limiting screw (412) is fixedly connected to one end, close to the second flanging, of the sliding plate (411), an L-shaped through hole (11) corresponding to the limiting screw (412) is formed in the bottom of the control box (1), and the limiting screw (412) can be inserted into the L-shaped through hole (11) and move along the L-shaped through hole (11);
the limiting plate (413) is connected to one side, close to the second flanging, of the sliding plate (411);
wherein, when stop screw (412) is nearest to the second turn-ups, limiting plate (413) butt in DIN guide rail (3), through spacing buckle (10), slip subassembly (41) with locking portion (42) cooperation is in order to realize control box (1) with the connection of DIN guide rail (3).
3. The power transmission device according to claim 2, wherein the limit screw (412) comprises a stud and a nut, the L-shaped through hole (11) comprises a vertical hole section (111) and a horizontal hole section (112), wherein the width of the horizontal hole section (112) is larger than the diameter of the nut, and the width of the vertical hole section (111) is larger than the diameter of the stud and smaller than the diameter of the nut.
4. A power transmission device according to claim 3, wherein the locking portion (42) comprises:
the limiting waist hole (421) is formed in the bottom of the control box (1), and the length direction of the limiting waist hole (421) is parallel to the length direction of the vertical hole section (111);
a screw hole (422) provided in the slip plate (411);
when the limiting plate (413) is abutted to the DIN guide rail (3), the threaded hole (422) and the limiting waist hole (421) vertically correspond, and the threaded hole (422) and the limiting waist hole (421) are connected through bolts.
5. The power transmission device according to claim 1, wherein the power monitoring mechanism (2) comprises:
the mounting plate (20) is detachably connected to the inside of the control box (1), and the main board, the electric quantity acquisition assembly (21) and the wireless transmission assembly are respectively connected to the mounting plate (20);
the control box comprises a control box body and is characterized in that a mounting column (12) is arranged on the inner side of the bottom of the control box body (1), a mounting hole (201) corresponding to the mounting column (12) is formed in a mounting plate (20), and the mounting column (12) penetrates through the mounting hole (201) so as to connect the control box body (1) with the electric quantity monitoring mechanism (2).
6. The power transmission device according to claim 5, wherein the main board comprises a central processing unit (22), and the power acquisition assembly (21) comprises:
the three-phase current interface module is connected with the central processing unit (22) and is used for collecting three-phase current of the circuit;
the three-phase voltage interface module is connected with the central processing unit (22) and is used for collecting three-phase voltages of the circuit;
the wireless transmission assembly includes:
a wireless transmission module (23) connected to the central processing unit (22);
a wireless antenna (24) connected to the wireless transmission module (23);
the central processing unit (22) acquires electric quantity information in real time through the three-phase current interface module and the three-phase voltage interface module, and transmits the electric quantity information to an external terminal through the wireless transmission module (23).
7. The power transmission device according to claim 6, wherein the power acquisition component (21) includes a DI interface terminal and a DO interface terminal for connecting to an external device, and the main board further includes:
the DO interface module comprises a first photoelectric isolator connected to the DO interface end;
the DI interface module comprises a second photoelectric isolator connected to the DI interface end;
485 interface module including level conversion module and 485 interface;
wherein the first and second opto-isolators are connected to the central processing unit (22) to enable isolation of electrical signals between the central processing unit (22) and the external device.
8. The power transmission device according to claim 7, wherein the central processing unit (22) IS a GD32F303RGT6 chip, the first photo-isolator IS a PS2801-4 chip, the second photo-isolator IS a ULN2003 chip, and the level conversion module IS a CA-IS3082WX chip.
9. The power transmission device according to claim 6, further comprising a control box cover (5) disposed over the main board, the control box cover (5) being detachably connected to the control box (1), the control box cover (5) comprising:
a cover plate (51) with an inverted U-shaped longitudinal section;
the two lug plates (52) are symmetrically arranged on two sides of the cover plate (51), and the top of each lug plate (52) is fixedly connected to the top of the cover plate (51) and used for being connected to the control box (1);
the control box (1) comprises:
a box body (100) with an opening at the top;
the two connecting plates (101) are symmetrically arranged on the top wall of the box body (100), and the connecting plates (101) are detachably connected with the lug plates (52).
10. The power transmission device of claim 9, further comprising:
the lamp panel is positioned in the cover plate (51) and is connected to the mounting plate (20);
the lamp panel is connected with an indicator lamp, and the cover plate (51) is provided with a lamp hole (511) corresponding to the indicator lamp and an antenna hole corresponding to the wireless antenna (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320225434.6U CN219716229U (en) | 2023-02-13 | 2023-02-13 | Electric quantity transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320225434.6U CN219716229U (en) | 2023-02-13 | 2023-02-13 | Electric quantity transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219716229U true CN219716229U (en) | 2023-09-19 |
Family
ID=87998975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320225434.6U Active CN219716229U (en) | 2023-02-13 | 2023-02-13 | Electric quantity transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219716229U (en) |
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2023
- 2023-02-13 CN CN202320225434.6U patent/CN219716229U/en active Active
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