CN112886418A - Communication module fixing structure and positioning method of MNS cabinet - Google Patents
Communication module fixing structure and positioning method of MNS cabinet Download PDFInfo
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- CN112886418A CN112886418A CN202110201571.1A CN202110201571A CN112886418A CN 112886418 A CN112886418 A CN 112886418A CN 202110201571 A CN202110201571 A CN 202110201571A CN 112886418 A CN112886418 A CN 112886418A
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- module fixing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
- H02B1/202—Cable lay-outs
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
- H02B1/34—Racks
- H02B1/36—Racks with withdrawable units
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/02—Details
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B11/00—Switchgear having carriage withdrawable for isolation
- H02B11/12—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal
- H02B11/173—Switchgear having carriage withdrawable for isolation with isolation by horizontal withdrawal drawer type
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Structure Of Telephone Exchanges (AREA)
Abstract
The invention relates to a communication module fixing structure and a positioning method of an MNS cabinet, and belongs to the technical field of MNS low-voltage drawer type switch cabinets. The technical scheme is as follows: and a first cylindrical pin (15) and a first cylindrical hole (16) on the first communication module fixing plate (5) are respectively in plug-in matching with a second cylindrical hole (26) and a second cylindrical pin (25) on the second communication module fixing plate (21), so that the two cylindrical holes are conveniently and accurately plugged, and primary positioning is carried out. And a round head cylinder I (17) and a claw-shaped cylinder I (18) on the square frame I are respectively spliced and matched with a claw-shaped cylinder II (28) and a round head cylinder II (27) on the square frame II, so that secondary splicing and positioning are realized. The invention has the beneficial effects that: the communication module achieves the maximum contact depth through twice positioning and a first network cable adapter port on the drawer rear plate and a second network cable adapter port on the rear adapter plate, and the communication line of the communication module is separated from the control line of the MNS low-voltage drawer type switch cabinet.
Description
Technical Field
The invention relates to a communication module fixing structure and a positioning method of an MNS cabinet, and belongs to the technical field of MNS low-voltage drawer type switch cabinets.
Background
An MNS low-voltage drawer type switch cabinet is a control cabinet series which is originally introduced into the MNS cabinet of Switzerland and gradually developed after years of absorption and digestion in China, and is widely applied to power distribution stations, factories, industrial and mining enterprises, nuclear power stations and buildings. The drawer back plate of the MNS low-voltage drawer type switch cabinet is provided with a primary plug-in unit and a secondary plug-in unit, so that power supply and protection are provided for on-site electrical equipment. With the development of industrial automation, networks are gradually applied to on-site electrical equipment to realize automatic control, so that a communication module needs to be added on the MNS low-voltage drawer type switch cabinet, in order to ensure the stability of the networks, a communication line of the communication module needs to be separated from a control line of the MNS low-voltage drawer type switch cabinet, meanwhile, the communication module is ensured to be accurately positioned, and the complete contact of a communication switching port is ensured. How to realize the technical requirements is a technical problem to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a communication module fixing structure and a positioning method of an MNS cabinet, which realize the separation of a communication line of a communication module and a control line of an MNS low-voltage drawer type switch cabinet, ensure the accurate positioning of the communication module, ensure the complete contact of a communication switching interface and solve the problems in the background art.
The technical scheme of the invention is as follows:
a communication module fixing structure of a MNS cabinet is characterized in that a communication module is divided into two parts which are in plug-in fit, namely a communication module I and a communication module II, wherein the communication module I is installed on a drawer rear plate of a drawer through a communication module fixing plate I, and the communication module II is installed on a rear adapter plate of the MNS cabinet through a communication module fixing plate II; a first positioning hole is formed in the first communication module fixing plate, a fixing shaft pin matched with the positioning hole is fixed on the drawer rear plate, and a spring is sleeved on the fixing shaft pin; the inner diameter of a positioning hole I of a first communication module fixing plate is slightly larger than the outer diameter of the fixing shaft pin, the first communication module fixing plate can move along the axial direction of the fixing shaft pin through a compression spring, and meanwhile, the first communication module fixing plate can be finely adjusted along the radial direction of the fixing shaft pin; a second positioning hole is formed in the second communication module fixing plate, a positioning screw matched with the second positioning hole is arranged on the rear adapter plate, the inner diameter of the second positioning hole of the second communication module fixing plate is slightly larger than the outer diameter of the positioning screw, and the second communication module fixing plate can be finely adjusted along the radial direction of the positioning screw;
a first mounting hole is formed in the center of the first communication module fixing plate, and a first cylindrical pin and a first cylindrical hole are formed in the first communication module fixing plate outside two sides of the first mounting hole respectively; the first communication interface frame and the second communication interface frame are combined into a first square frame in the first mounting hole, and a first network cable switching port is arranged in the first square frame; a round-head cylinder I and a claw-shaped cylinder I are respectively arranged on the square frame I outside two sides of the network cable adapter port I; a second mounting hole is formed in the center of the second communication module fixing plate, and a second cylindrical pin and a second cylindrical hole are formed in the second communication module fixing plate outside the two sides of the second mounting hole respectively; the third communication interface frame and the fourth communication interface frame are combined into a second square frame in the second mounting hole, and a second network cable switching port is arranged in the second square frame; a round-head cylinder II and a claw-shaped cylinder hole II are respectively arranged on the square frame II outside the two sides of the network cable adapter interface II; a first cylindrical pin and a first cylindrical hole on the first communication module fixing plate are respectively matched with a second cylindrical hole and a second cylindrical pin on the second communication module fixing plate in an inserting manner; the round-head cylinder I and the claw-shaped cylinder I on the square frame I are respectively matched with the claw-shaped cylinder II and the round-head cylinder II on the square frame II in an inserting manner; the first network cable switching port and the second network cable switching port are mutually plugged and matched.
The lengths of the first cylindrical pin, the first cylindrical hole, the second cylindrical hole and the second cylindrical pin are the same and are L1, the lengths of the first round-head cylinder, the first claw-shaped cylindrical hole, the second claw-shaped cylindrical hole and the second round-head cylinder are the same and are L2, and the lengths of the first network cable switching port and the second network cable switching port are the same and are L3; l1 > L2 > L3.
The first square frame is fixed with the first communication module fixing plate through a first screw, wherein a screw hole in the first square frame is slightly larger than the diameter of the first screw, and the first square frame and the first communication module fixing plate can be finely adjusted up, down, left and right; the second square frame is fixed with the second communication module fixing plate through a second screw, wherein a second screw hole in the second square frame is slightly larger than the diameter of the second screw, and the second square frame and the second communication module fixing plate can be finely adjusted vertically and horizontally.
The round-head cylinder I, the claw-shaped cylinder hole II and the round-head cylinder II are fixed through respective communication interface frame fixing screws respectively.
The first communication interface frame and the second communication interface frame are mutually matched into a first square frame through a first clamping groove; and the third communication interface frame and the fourth communication interface frame are mutually matched into a second square frame through a second clamping groove.
A method for positioning a communication module fixing structure of an MNS cabinet is realized by adopting the structure and comprises the following steps:
pushing the drawer into the MNS cabinet; the spring begins to be compressed after the drawer rear plate is in place, and the first communication module fixing plate and the second communication module fixing plate are close to each other; the first communication module on the rear plate of the drawer is matched and spliced with the second communication module on the rear adapter plate of the MNS cabinet;
the first cylindrical pin and the first cylindrical hole on the first communication module fixing plate are respectively and mutually inserted and matched with the second cylindrical hole and the second cylindrical pin on the second communication module fixing plate, so that one-time insertion positioning is realized; continuously pushing the drawer, wherein a round-head cylinder I and a claw-shaped cylinder I on the square frame I are respectively matched with a claw-shaped cylinder II and a round-head cylinder II on the square frame II in an inserting manner, so that secondary inserting positioning is realized; the first network cable adapter port and the second network cable adapter port are mutually inserted and matched, and the compressed spring enables the first network cable adapter port on the drawer rear plate and the second network cable adapter port on the rear adapter plate to reach the maximum contact depth, so that complete contact is guaranteed, and a network is smooth.
The first communication module fixing plate can be finely adjusted along the radial direction of the fixing shaft pin, and the second communication module fixing plate can be finely adjusted along the radial direction of the positioning screw; when the cylindrical pin I and the cylindrical hole I on the first communication module fixing plate are respectively matched with the cylindrical hole II and the cylindrical pin II on the second communication module fixing plate in an inserting mode, the mutual positions can be finely adjusted, the mutual accurate inserting and connecting are facilitated, and one-time positioning is carried out.
The square frame I and the communication module fixing plate I can be finely adjusted from top to bottom and left and right, the square frame II and the communication module fixing plate II can be finely adjusted from top to bottom and left and right, a round-head cylinder I and a claw-type cylinder hole I on the square frame I are respectively matched with a claw-type cylinder hole II and a round-head cylinder II on the square frame II in an inserted mode, and secondary inserting and positioning are achieved.
The invention has the beneficial effects that: the communication module achieves the maximum contact depth through twice positioning and a first network cable switching port on the drawer rear plate and a second network cable switching port on the rear adapter plate, and the communication cable of the communication module is separated from the control cable of the MNS low-voltage drawer type switch cabinet, so that the communication module is accurately positioned, and the communication switching ports are completely contacted.
Drawings
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic sectional view of embodiment A-A of the present invention;
FIG. 3 is a schematic top view of an embodiment of the present invention;
FIG. 4 is a front view of a communication module mounting plate according to an embodiment of the present invention;
fig. 5 is a top view of a communication module mounting plate according to an embodiment of the present invention;
fig. 6 is a perspective view of a fixing plate of the communication module according to the embodiment of the present invention;
FIG. 7 is a front view of a square frame according to an embodiment of the present invention;
FIG. 8 is a top view of a square frame according to an embodiment of the present invention;
FIG. 9 is a perspective view of a square frame according to an embodiment of the present invention;
FIG. 10 is a front view of a square frame according to an embodiment of the present invention;
FIG. 11 is a top view of a square frame according to an embodiment of the present invention;
FIG. 12 is a perspective view of a square frame assembly according to an embodiment of the present invention;
FIG. 13 is a front view of a communication module according to an embodiment of the present invention;
FIG. 14 is a top view of a communication module according to an embodiment of the present invention;
FIG. 15 is a perspective view of a communication module according to an embodiment of the present invention;
FIG. 16 is a perspective view of a second communication module according to the present invention;
FIG. 17 is a top plan view of a first communication module and a second communication module of the present invention before assembly;
FIG. 18 is a perspective view of the first communication module and the second communication module of the present invention after assembly;
in the figure: a secondary movable plug-in component 1, a primary movable plug-in component 2, a drawer back plate 3, a rear adapter plate 4, a communication module fixing plate I5, a communication interface frame I6, a communication interface frame II 7, a network cable switching port I8, a fixing shaft pin 9, a positioning screw 10, a spring 11, a communication interface frame fixing screw 12, a network cable port 13, a primary static plug-in component 14, a cylindrical pin I15, a cylindrical hole I16, a round head cylinder I17, a claw-shaped cylindrical hole I18 and a communication module I19, the second communication module 20, the second communication module fixing plate 21, the first positioning hole 22, the second positioning hole 23, the first mounting hole 24, the second cylindrical pin 25, the second cylindrical hole 26, the second round-head cylinder 27, the second claw-shaped cylindrical hole 28, the second network cable adapter interface 29, the third communication interface frame 30, the fourth communication interface frame 31, the first card slot 32, the second card slot 33, the first screw 34, the first screw hole 35, the second screw 36 and the second screw hole 37.
Detailed Description
The invention will be further illustrated by way of example with reference to the accompanying drawings.
A communication module fixing structure of an MNS cabinet is characterized in that a communication module is divided into two parts which are in plug-in fit, namely a first communication module 19 and a second communication module 20, wherein the first communication module 19 is installed on a drawer rear plate 3 of a drawer through a first communication module fixing plate 5, and the second communication module 20 is installed on a rear adapter plate 4 of the MNS cabinet through a second communication module fixing plate 21; a first positioning hole 22 is formed in the first communication module fixing plate 5, a fixing shaft pin 9 matched with the positioning hole is fixed on the drawer rear plate 3, and a spring 11 is sleeved on the fixing shaft pin 9; the inner diameter of a positioning hole I22 of the communication module fixing plate I5 is slightly larger than the outer diameter of the fixing shaft pin 9, the communication module fixing plate I5 can move along the axial direction of the fixing shaft pin 9 through the compression spring 11, and meanwhile, the communication module fixing plate I5 can be finely adjusted along the radial direction of the fixing shaft pin 9; a second positioning hole 23 is formed in the second communication module fixing plate 21, a second positioning screw 10 matched with the second positioning hole 23 is arranged on the rear adapter plate 4, the inner diameter of the second positioning hole 23 of the second communication module fixing plate 21 is slightly larger than the outer diameter of the second positioning screw 10, and the second communication module fixing plate 21 can be finely adjusted along the radial direction of the second positioning screw 10;
a first mounting hole 24 is formed in the center of the first communication module fixing plate 5, and a first cylindrical pin 15 and a first cylindrical hole 16 are respectively formed in the first communication module fixing plate 5 outside two sides of the first mounting hole 24; the first communication interface frame 6 and the second communication interface frame 7 are combined into a first square frame in the first mounting hole 24, and a first network cable switching port 8 is arranged in the first square frame; a round-head cylinder I17 and a claw-shaped cylinder I18 are respectively arranged on the square frame I outside the two sides of the network cable adapter port I8; a second mounting hole is formed in the center of the second communication module fixing plate 21, and a second cylindrical pin 25 and a second cylindrical hole 26 are respectively formed in the second communication module fixing plate 21 outside the two sides of the second mounting hole; the third communication interface frame and the fourth communication interface frame are combined into a second square frame in the second mounting hole, and a second network cable adapter interface 29 is arranged in the second square frame; a round-head cylinder II 27 and a claw-shaped cylinder hole II 28 are respectively arranged on the square frame II outside the two sides of the network cable adapter interface II 29; the first cylindrical pin 15 and the first cylindrical hole 16 on the first communication module fixing plate 5 are respectively in plug-in matching with the second cylindrical hole 26 and the second cylindrical pin 25 on the second communication module fixing plate 21; the round-head cylinder I17 and the claw-shaped cylinder I18 on the square frame I are respectively in plug-in matching with the claw-shaped cylinder II 28 and the round-head cylinder II 27 on the square frame II; the network cable switching port I8 and the network cable switching port II 29 are in plug-in matching with each other.
The lengths of the first cylindrical pin 15, the first cylindrical hole 16, the second cylindrical hole 26 and the second cylindrical pin 25 are the same and are L1, the lengths of the first round-head cylinder 17, the first claw-shaped cylindrical hole 18, the second claw-shaped cylindrical hole 28 and the second round-head cylinder 27 are the same and are L2, and the lengths of the first network cable adapter interface 8 and the second network cable adapter interface 29 are the same and are L3; l1 > L2 > L3.
The first square frame is fixed with the first communication module fixing plate 5 through a first screw 34, wherein a first screw hole 35 on the first square frame is slightly larger than the diameter of the first screw 34, and the first square frame and the first communication module fixing plate 5 can be finely adjusted up, down, left and right; the second square frame is fixed with the second communication module fixing plate 21 through a second screw 36, wherein a second screw hole 37 on the second square frame is slightly larger than the diameter of the second screw 36, and the second square frame and the second communication module fixing plate 21 can be finely adjusted up, down, left and right.
The round head cylinder I17, the claw type cylinder I18, the claw type cylinder II 28 and the round head cylinder II 27 are fixed through respective communication interface frame fixing screws 12.
The first communication interface frame 6 and the second communication interface frame 7 are mutually matched into a first square frame through a first clamping groove 32; the third communication interface frame 30 and the fourth communication interface frame 31 are matched with each other through a second card slot 33 to form a second square frame.
A method for positioning a communication module fixing structure of an MNS cabinet is realized by adopting the structure and comprises the following steps:
pushing the drawer into the MNS cabinet; after the drawer rear plate 3 is in place, the spring 11 starts to be compressed, and the first communication module fixing plate 5 and the second communication module fixing plate 21 are close to each other; the first communication module 19 on the drawer rear plate 3 is matched and inserted with the second communication module 20 on the rear adapter plate 4 of the MNS cabinet;
the first cylindrical pin 15 and the first cylindrical hole 16 on the first communication module fixing plate 5 are firstly in mutual inserting matching with the second cylindrical hole 26 and the second cylindrical pin 25 on the second communication module fixing plate 21 respectively, so that one-time inserting positioning is realized; continuing to push the drawer, and enabling the round-head cylinder I17 and the claw-shaped cylinder I18 on the square frame I to be respectively matched with the claw-shaped cylinder II 28 and the round-head cylinder II 27 on the square frame II in an inserted manner, so that secondary inserted positioning is realized; the first network cable adapter port 8 and the second network cable adapter port 29 are mutually spliced and matched, and the compressed spring 11 enables the first network cable adapter port 8 on the drawer rear plate 3 and the second network cable adapter port 29 on the rear adapter plate 4 to reach the maximum contact depth, so that complete contact and smooth network are ensured.
The first communication module fixing plate 5 can be finely adjusted along the radial direction of the fixing shaft pin 9, and the second communication module fixing plate 21 can be finely adjusted along the radial direction of the positioning screw 10; when the first cylindrical pin 15 and the first cylindrical hole 16 on the first communication module fixing plate 5 are respectively matched with the second cylindrical hole 26 and the second cylindrical pin 25 on the second communication module fixing plate 21 in an inserting mode, the mutual positions can be finely adjusted, the mutual accurate inserting is facilitated, and one-time positioning is carried out.
The first square frame and the first communication module fixing plate 5 can be finely adjusted from top to bottom and left and right, the second square frame and the second communication module fixing plate 21 can be finely adjusted from top to bottom and left and right, the first round-head cylinder 17 and the first claw-shaped cylinder hole 18 on the first square frame are respectively matched with the second claw-shaped cylinder hole 28 and the second round-head cylinder hole 27 on the second square frame in an inserted connection mode, and secondary inserted connection positioning is achieved.
The first cylindrical pin 15, the first cylindrical hole 16, the first round-head cylinder 17, the first claw-shaped cylindrical hole 18, the second cylindrical pin 25, the second cylindrical hole 26, the second round-head cylinder 27 and the second claw-shaped cylindrical hole 28 related to the invention can adopt structures which are known and commonly used in the field. The cylindrical pin can be a cylinder, and the cylindrical hole is a cylindrical hole matched with the cylinder; the round-head cylinder can be a cylinder with a hemispherical end part, the claw-shaped cylindrical hole is a cylindrical hole matched with the cylinder, a plurality of claws are arranged in the cylindrical hole, after the round-head cylinder is inserted into the claw-shaped cylindrical hole, the claws clamp the cylinder, and the hemisphere at the end part of the cylinder is convenient to insert into the claw-shaped cylindrical hole.
In an embodiment, reference is made to fig. 1. The secondary movable plug-in unit 1, the primary movable plug-in unit 2 and the first communication module fixing plate 5 are installed on the drawer rear plate 3, and the first cylindrical pin and the first cylindrical hole on the first communication module fixing plate 5 on the drawer rear plate 3 are respectively connected with the second cylindrical hole and the second cylindrical pin of the second communication module fixing plate 21 on the rear adapter plate 4 in an inserting mode. The network cable adapter interface I8 is inserted into a square frame I formed by the communication interface frame I and the communication interface frame II.
Referring to fig. 2, the first communication module fixing plate 5 is coupled to the drawer back plate 3 by a fixing shaft pin 9. Because the diameter of the positioning hole of the first communication module fixing plate 5 is larger than that of the fixing shaft pin 9, fine adjustment can be carried out up, down, left and right; the rear adapter plate 4 is continuous with the second communication module fixing plate 21 through the positioning screw 10 with the cylindrical table, and the second positioning hole of the second communication module fixing plate 21 is larger than the cylindrical table of the positioning screw 10 in diameter and can be finely adjusted up, down, left and right. After the drawer is delivered in place, the first cylindrical pin 15 on the drawer back plate 3 and the rear adapter plate 4 is just inserted into the second cylindrical hole 26, and one-time positioning is realized. After the first communication interface frame 6 and the second communication interface frame 7 are fixed together through the first clamping groove, a first square frame is formed and fixed with a first communication module fixing plate 5 through a first screw, wherein a screw hole in the first square frame is larger than the diameter of the first screw, fine adjustment can be conducted vertically and horizontally, the fact that the first round-head cylinder 17 is accurately inserted into the second claw-shaped cylinder hole 28 is guaranteed, and secondary positioning is achieved. And the first network cable switching port 8 and the second network cable switching port 29 are ensured to be accurately and unmistakably inserted and matched through primary positioning and secondary positioning. The first communication module fixing plate 5 is connected to the drawer rear plate 3 through the spring 11 and the fixing shaft pin 9, when the drawer is fed in place, the drawer rear plate 3 and the rear adapter plate 4 can compress the spring, and at the moment, the first network cable switching port 8 of the drawer rear plate 3 and the second network cable switching port 29 on the rear adapter plate 4 reach the maximum contact depth, so that the complete contact of the network cable switching ports is ensured, and the network is smooth.
Referring to fig. 3, the first static plug-in 14 and the second communication module 20 are fixed on the rear adapter plate 4, the first communication module 19 and the first movable plug-in 2 are fixed on the drawer rear plate 3, and the front and rear position sizes of the rear adapter plate 4 and the drawer rear plate 3 are determined according to the plugging depth of the first plug-in and the second plug-in. This depth dimension is less than the biggest depth of contact of cylindric lock, button head cylinder, cylinder hole, claw type cylinder hole on communication module 19 on the drawer backplate 3 and the communication module two 20 on the back adapter plate 4, so if cylindric lock and cylinder hole full contact, when button head cylinder and claw type cylinder hole full contact, can compress spring 11.
Referring to fig. 4, 5, and 6, a first fixing plate of the communication module is shown, in which a first cylindrical pin 15 and a first cylindrical hole 16 are distributed on two sides of a first mounting hole 24. The structure of the second communication module fixing plate 21 is the same as that of the first communication module fixing plate 5.
Referring to fig. 7, 8 and 9, a structure of the square frame is schematically illustrated. Referring to fig. 10, 11 and 12, a schematic diagram of a square frame is shown.
Referring to fig. 13, 14 and 15, a schematic view of the communication module is shown, which is a structural schematic view of the combination of the square frame i and the communication module fixing plate i 5.
Fig. 16 is a schematic view of a second communication module, which is a structural schematic view of the second square frame and the second communication module fixing plate 21 after combination.
Fig. 17 and 18 are schematic diagrams of the first communication module and the second communication module before and after combination. When the drawer is placed in the cabinet body and the drawer is pushed backwards through the rail, the first cylindrical pin 15 and the first round-head cylinder 17 of the first communication module 19 on the drawer back plate 3 are respectively inserted into the second cylindrical hole 26 and the second claw-shaped cylindrical hole 28 on the second communication module 20 on the rear adapter plate 4, and the second cylindrical pin 25 and the second round-head cylinder 27 on the second communication module 20 on the rear adapter plate 4 are respectively inserted into the first cylindrical hole 16 and the first claw-shaped cylindrical hole 18 on the first communication module 19 on the drawer back plate 3.
Claims (8)
1. The utility model provides a communication module fixed knot of MNS cabinet constructs which characterized in that: the communication module is divided into two parts which are in plug-in fit, namely a first communication module (19) and a second communication module (20), wherein the first communication module (19) is installed on the drawer rear plate (3) of the drawer through a first communication module fixing plate (5), and the second communication module (20) is installed on the rear adapter plate (4) of the MNS cabinet through a second communication module fixing plate (21); a first positioning hole (22) is formed in the first communication module fixing plate (5), a fixing shaft pin (9) matched with the positioning hole is fixed on the drawer rear plate (3), and a spring (11) is sleeved on the fixing shaft pin (9); the inner diameter of a first positioning hole (22) of a first communication module fixing plate (5) is slightly larger than the outer diameter of the fixing shaft pin (9), the first communication module fixing plate (5) can move along the axial direction of the fixing shaft pin (9) through a compression spring (11), and meanwhile, the first communication module fixing plate (5) can be finely adjusted along the radial direction of the fixing shaft pin (9); a second positioning hole (23) is formed in the second communication module fixing plate (21), a second positioning screw (10) matched with the second positioning hole (23) is arranged on the rear adapter plate (4), the inner diameter of the second positioning hole (23) of the second communication module fixing plate (21) is slightly larger than the outer diameter of the second positioning screw (10), and the second communication module fixing plate (21) can be finely adjusted along the radial direction of the second positioning screw (10);
a first mounting hole (24) is formed in the center of the first communication module fixing plate (5), and a first cylindrical pin (15) and a first cylindrical hole (16) are respectively formed in the first communication module fixing plate (5) outside two sides of the first mounting hole (24); the first communication interface frame (6) and the second communication interface frame (7) are combined into a first square frame in the first mounting hole (24), and a first network cable switching port (8) is arranged in the first square frame; a round-head cylinder I (17) and a claw-shaped cylinder I (18) are respectively arranged on a square frame I outside two sides of a network cable switching port I (8); a second mounting hole is formed in the center of the second communication module fixing plate (21), and a second cylindrical pin (25) and a second cylindrical hole (26) are respectively formed in the second communication module fixing plate (21) outside the two sides of the second mounting hole; the third communication interface frame and the fourth communication interface frame are combined into a second square frame in the second mounting hole, and a second network cable switching port (29) is arranged in the second square frame; a round-head cylinder II (27) and a claw-shaped cylinder hole II (28) are respectively arranged on a square frame II outside two sides of the network cable adapter port person (29); a first cylindrical pin (15) and a first cylindrical hole (16) on the first communication module fixing plate (5) are respectively in plug-in matching with a second cylindrical hole (26) and a second cylindrical pin (25) on the second communication module fixing plate (21); a round head cylinder I (17) and a claw-shaped cylinder I (18) on the square frame I are respectively spliced and matched with a claw-shaped cylinder II (28) and a round head cylinder II (27) on the square frame II; the network cable switching port I (8) and the network cable switching port II (29) are mutually spliced and matched.
2. The communication module fixing structure of the MNS cabinet as claimed in claim 1, wherein: the lengths of the first cylindrical pin (15), the first cylindrical hole (16), the second cylindrical hole (26) and the second cylindrical pin (25) are the same and are L1, the lengths of the first round-head cylinder (17), the first claw-shaped cylindrical hole (18), the second claw-shaped cylindrical hole (28) and the second round-head cylinder (27) are the same and are L2, and the lengths of the first network cable adapter interface (8) and the second network cable adapter interface (29) are the same and are L3; l1 > L2 > L3.
3. The structure of claim 1 or 2, wherein the structure comprises: the first square frame is fixed with a first communication module fixing plate (5) through a first screw (34), wherein a first screw hole (35) in the first square frame is slightly larger than the diameter of the first screw (34), and the first square frame and the first communication module fixing plate (5) can be finely adjusted up, down, left and right; the second square frame is fixed with the second communication module fixing plate (21) through a second screw (36), wherein a second screw hole (37) in the second square frame is slightly larger than the second screw (36), and the second square frame and the second communication module fixing plate (21) can be finely adjusted up, down, left and right.
4. The structure of claim 1 or 2, wherein the structure comprises: the round-head cylinder I (17), the claw-shaped cylinder I (18), the claw-shaped cylinder II (28) and the round-head cylinder II (27) are fixed through respective communication interface frame fixing screws (12).
5. The structure of claim 1 or 2, wherein the structure comprises: the first communication interface frame (6) and the second communication interface frame (7) are mutually matched into a first square frame through a first clamping groove (32); the communication interface frame III (30) and the communication interface frame IV (31) are matched with each other through a card slot II (33) to form a square frame II.
6. A method for positioning a communication module fixing structure of an MNS cabinet, performed with the structure of any one of claims 1 to 5, comprising the steps of:
pushing the drawer into the MNS cabinet; after the drawer rear plate (3) is in place, the spring (11) begins to be compressed, and the first communication module fixing plate (5) and the second communication module fixing plate (21) are close to each other; a first communication module (19) on the drawer rear plate (3) is matched and inserted with a second communication module (20) on the rear adapter plate (4) of the MNS cabinet;
a first cylindrical pin (15) and a first cylindrical hole (16) on a first communication module fixing plate (5) are firstly respectively in mutual inserting matching with a second cylindrical hole (26) and a second cylindrical pin (25) on a second communication module fixing plate (21), so that one-time inserting positioning is realized; continuously pushing the drawer, and respectively splicing and matching a round-head cylinder I (17) and a claw-shaped cylinder I (18) on the square frame I with a claw-shaped cylinder II (28) and a round-head cylinder II (27) on the square frame II to realize secondary splicing and positioning; the first network cable adapter port (8) and the second network cable adapter port (29) are mutually spliced and matched, and the compressed spring (11) enables the first network cable adapter port (8) on the drawer rear plate (3) and the second network cable adapter port (29) on the rear adapter plate (4) to reach the maximum contact depth, so that complete contact is ensured, and the network is smooth.
7. The method of claim 6, wherein the method comprises the following steps: the first communication module fixing plate (5) can be finely adjusted along the radial direction of the fixing shaft pin (9), and the second communication module fixing plate (21) can be finely adjusted along the radial direction of the positioning screw (10); when the cylindrical pin I (15) and the cylindrical hole I (16) on the communication module fixing plate I (5) are respectively matched with the cylindrical hole II (26) and the cylindrical pin II (25) on the communication module fixing plate II (21) in an inserting mode, the mutual positions can be finely adjusted, the mutual accurate inserting is facilitated, and one-time positioning is carried out.
8. The method according to claim 6 or 7, wherein the method comprises the following steps: the square frame I and the communication module fixing plate I (5) can be finely adjusted from top to bottom and left and right, the square frame II and the communication module fixing plate II (21) can be finely adjusted from top to bottom and left and right, round-head cylinder I (17) and claw-shaped cylinder hole I (18) on the square frame I are conveniently mutually spliced and matched with claw-shaped cylinder hole II (28) and round-head cylinder II (27) on the square frame II, and secondary splicing and positioning are achieved.
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| CN202110201571.1A CN112886418B (en) | 2021-02-23 | 2021-02-23 | Communication module fixing structure and positioning method of MNS cabinet |
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| CN202110201571.1A CN112886418B (en) | 2021-02-23 | 2021-02-23 | Communication module fixing structure and positioning method of MNS cabinet |
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| CN112886418B (en) | 2022-07-19 |
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Address after: 063000 south of North Ring Road, west of A5 Road, equipment manufacturing park, Caofeidian Industrial Zone, Tangshan City, Hebei Province, in Huahai wind power plant No.1 Patentee after: Jinyu Electric (Tangshan) Co.,Ltd. Address before: 063000 south of North Ring Road, west of A5 Road, equipment manufacturing park, Caofeidian Industrial Zone, Tangshan City, Hebei Province, in Huahai wind power plant No.1 Patentee before: TANGSHAN DUNSHI ELECTRIC Co.,Ltd. |