CN113721183A - Modular functional plug suitable for plug-in type test junction box and use method - Google Patents
Modular functional plug suitable for plug-in type test junction box and use method Download PDFInfo
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims description 13
- 238000002955 isolation Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims description 39
- 238000005192 partition Methods 0.000 claims description 28
- 239000011810 insulating material Substances 0.000 claims description 10
- 238000007689 inspection Methods 0.000 claims description 8
- 239000004020 conductor Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 28
- 238000005259 measurement Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 16
- 230000008901 benefit Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 239000003086 colorant Substances 0.000 description 4
- 238000009422 external insulation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000002788 crimping Methods 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
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Abstract
适用于拔插式试验接线盒的模块化功能插头，涉及应用拔插式试验接线盒的电能计量装置现场运维领域，本发明包括接线模块、封闭模块、电流模块、电压模块、隔断模块和中继模块，电流模块、电压模块和隔断模块通过设置在其上的插头和拔插式试验接线盒连接，电流模块、电压模块、隔断模块和中继模块上设插头和插座，接线模块上设插座，封闭模块上设插头，电流模块、电压模块、隔断模块和中继模块可根据实际需要不选择或选择至少一个并根据实际需要排列顺序后通过插头插座连接为一体，本发明通过分离式设计，根据需要选择模块排列顺序，满足不同测量场景的需要，降低插头维修保养成本、减轻工作人员携带设备重量、提高插头的可扩展性与可替换性。
A modular functional plug suitable for a plug-in test junction box, and relates to the field of on-site operation and maintenance of an electric energy metering device using a plug-in test junction box. The relay module, the current module, the voltage module and the isolation module are connected by the plug and the plug-in test junction box set on it, the current module, the voltage module, the isolation module and the relay module are provided with plugs and sockets, and the wiring module is provided with sockets , a plug is set on the closed module, and the current module, voltage module, isolation module and relay module can be selected according to actual needs or at least one of them can be selected and arranged in order according to actual needs. Select the module arrangement order according to the needs to meet the needs of different measurement scenarios, reduce the maintenance cost of the plug, reduce the weight of the equipment carried by the staff, and improve the expandability and replaceability of the plug.
Description
Technical Field
The invention relates to the technical field of field operation and maintenance of an electric energy metering device applying a plug-in test junction box, in particular to a modular functional plug suitable for the plug-in test junction box.
Background
The electric energy metering device, especially the electric energy metering device accessed through a mutual inductor, is a direct basis for electric energy transaction of large and medium-sized electric power customers, and the operation performance of the electric energy metering device influences the production operation of the customers, the investment construction of a power grid, the ordered energy utilization of the society, the fair and fair market and other aspects, so that necessary field inspection and test must be carried out on the electric energy metering device to confirm each key performance of the electric energy metering device, and the expired metering device is alternated according to certain rules.
For avoiding the influence of site test detection and the work of taking turns to the continuous reliable power consumption of customer, the current site inspection, the pressure drop test, work such as electric energy meter takes turns all adopts the mode implementation of not having a power failure, for realizing this requirement, the mode that currently generally adopts is installation test terminal box, including crimping formula and two types of formula of inserting of pulling out, wherein the crimping formula belongs to traditional structure, the operation is complicated, the risk is higher, insert the formula of inserting and then the security, the convenience all has great advantage, obtain wide acceptance and application gradually, but current insert the formula of inserting of pulling out experimental terminal box need independently use 3 kinds of function plugs of joining in marriage the group when carrying out on-the-spot fortune dimension work, therefore has caused following problem or not enough:
the existing field inspection plugs, meter-changing plugs and voltage drop test plugs are relatively close in appearance, field workers are easy to confuse, the situation that the field workers cannot work due to mistaken plug-taking occurs, and the load of field operation and maintenance equipment is greatly increased when the field workers carry the field plugs;
due to the characteristics of structural design, connecting pieces of the functional plug are not protected, and the risk of bending or breaking caused by external force cannot be avoided in the processes of transportation, loading and unloading, while the conventional functional plug adopts an integral design, once one connecting piece is damaged, the whole plug needs to be replaced, so that the difficulty and the cost of equipment maintenance are increased;
at present, the electric energy metering device increasingly bears the non-metering function, so the working requirement and the field operation and maintenance work tend to be diversified and expanded, the traditional integral functional plug adopts a built-in curing loop, is difficult to adapt to the requirements of new testing items and new operation and maintenance work, has low expansibility and freedom degree and is difficult to adapt to the new situation of the electric energy metering operation and maintenance.
In summary, the present integral functional plug used in combination with the plug-in test junction box has certain disadvantages in terms of simplicity of use, convenience of maintenance, functional diversity, expansibility, etc., and in order to solve the above technical problems, the present invention provides a modular functional plug suitable for the plug-in test junction box.
Disclosure of Invention
The invention aims to: in order to solve the technical problems in the background art, the invention provides a modular functional plug suitable for a plug-in type test junction box.
The invention specifically adopts the following technical scheme for realizing the purpose:
the modular functional plug suitable for the plug-in type test junction box comprises a wiring module, a sealing module, a current module, a voltage module, a partition module and a relay module, the current module, the voltage module and the partition module are respectively provided with a current module connecting plug, a voltage module connecting plug and a partition module connecting plug which are matched with the plug-in test junction box, the current module, the voltage module, the partition module and the relay module are all provided with plugs and sockets which are detachably connected with other modules, the wiring module is provided with a socket which is detachably connected with other modules, the sealing module is provided with a plug which is detachably connected with other modules, the current module, the voltage module, the partition module and the relay module can be connected into a whole through a plug and a socket after being arranged in sequence according to actual needs and without selecting or selecting at least one of the current module, the voltage module, the partition module and the relay module.
Further, the terminal module includes the hollow support housing of making by fire-retardant insulating material, the right side of terminal module is equipped with the socket, be equipped with the layering line bank in the terminal module shell, the one end and the socket of layering line bank are connected, the other end rigid coupling of layering line bank has the connecting wire, the connecting wire passes the shell of terminal module and extends away.
Further, current module, voltage module, relay module and wall module all include hollow support housing, support housing's left side and right side are equipped with plug and socket respectively, be equipped with the layering line bank in the support housing, the left end and the right-hand member of layering line bank are connected with plug and socket respectively, current module connecting plug, voltage module connecting plug and wall module connecting plug all set firmly at each corresponding module support housing's surface and not with the surface coplane that is equipped with plug or socket, current module connecting plug includes sheetmetal and sheetmetal down, still including being used for connecting the well insulating layer of sheetmetal and sheetmetal down, voltage module connecting plug wholly is the conductor material, wall module connecting plug wholly is insulating material.
Furthermore, the socket comprises a socket upper spring sheet and a socket lower spring sheet.
Furthermore, the plug comprises a voltage plug and a current plug, the current plug comprises an upper current plug metal sheet and a lower current plug metal sheet, and the current plug also comprises a middle current plug insulating layer used for connecting the upper current plug metal sheet and the lower current plug metal sheet.
Further, the layered terminal block comprises a voltage terminal block and a current terminal block.
Furthermore, the current terminal block comprises an upper metal sheet of the current terminal block, a lower metal sheet of the current terminal block and an insulating layer arranged in the current terminal block between the upper metal sheet of the current terminal block and the lower metal sheet of the current terminal block.
Furthermore, the closed module comprises a hollow supporting shell, a plug is arranged on the left side of the supporting shell, and the plug is made of an insulating material.
Furthermore, the functional plug is used for field inspection of the electric energy meter and is formed by connecting a plug and a socket according to the sequence of a wiring module, a current module, a voltage module, a relay module, a current module, a voltage module, a relay module and a sealing module.
Furthermore, the functional plug is used for secondary voltage drop test and is formed by connecting the plug and the socket according to the sequence of the wiring module, the relay module, the voltage module, the relay module, the voltage module, the relay module and the sealing module.
Furthermore, the functional plug is used for replacing the meter without power outage and is formed by connecting a plug and a socket according to the sequence of the wiring module, the current module, the partition module, the current module and the sealing module.
Furthermore, different colors and marks are arranged on the wiring module, the current module, the voltage module, the relay module, the partition module and the sealing module.
The working principle and the beneficial effects of the invention are as follows:
(1) the invention innovatively designs 6 module plugs of a wiring module, a current module, a voltage module, a relay module, a partition module and a sealing module through modes of module design, layered layout, function refinement and the like, reasonably establishes function implementation schemes between the modules, between the modules and field operation and maintenance equipment and between the modules and plug-in test wiring, can quickly and accurately conduct operations such as signal leading-out or blocking-out and the like on each wiring in the plug-in test wiring box by reasonably configuring and connecting the functional modules, customizes the functional plugs suitable for electric energy expression field inspection, secondary voltage drop test, uninterrupted power supply replacement of an electric energy meter and other operation and maintenance scenes which may appear in the follow-up process according to field operation and maintenance requirements, and shells of the wiring module, the sealing module and other modules can play good isolation and insulation roles and perform good functions through colors, The method comprises the steps of marking by means of characters and the like, wherein the colors are used for marking phase information, the characters are used for marking module types, and field operation and maintenance personnel can use the method quickly only by assembling according to a matching scheme according to test project requirements, so that the method has the technical advantages of safety, convenience, flexibility, universality and expandability.
(2) The traditional scheme generally adopts a mode that three plugs are in a set, and in order to avoid operation and maintenance difficulty caused by mistaken taking of the plugs, the mode that all plugs are carried is actually adopted, and three groups of plugs comprise connecting wires and plug parts and internal connecting wires corresponding to the whole plug-in test junction box.
(3) Compared with the existing scheme, namely the integral functional plug, the design scheme of the invention is simpler to store and longer in service life, the functional plug is assembled on an operation and maintenance site and only needs to be scattered and stored at ordinary times, so that the space required for storage and carrying is greatly reduced, the risk of damage such as fracture, bending and the like of the connecting plug caused by factors such as collision, pulling and the like in the transportation and storage processes is also reduced, and in addition, even if part of functional modules are found to be damaged on the operation and maintenance site, the functional modules or spare parts of the same type can be conveniently used for replacement.
(4) Compared with the existing scheme, namely the integral functional plug, the design scheme of the invention has stronger expansibility and more flexible operation, the functional plug of the invention adopts a structural module design mode, can be freely assembled according to the requirement through simple few operations to obtain intrinsic safety capability, and can realize the access and removal of the operation and maintenance equipment through one plugging operation, compared with the existing scheme which faces to few operation and maintenance scenes and solidifies internal wiring modes, although the method can increase few field operations, the flexibility of operation and maintenance work can be greatly increased, the operation and maintenance work granularity is divided according to the work types and is greatly refined into split-phase and split-signal operations, by applying the design scheme of the invention, field operation and maintenance personnel can completely and freely decide to lead out, block or not operate any wiring in the plugging type test junction box on the basis of ensuring no short circuit of voltage and no open circuit of current, the method has obvious technical advantages and adaptability to novel field operation and maintenance work or complex operation and maintenance requirements.
Drawings
FIG. 1 is a schematic view of one of the functional plugs incorporated in the present invention;
FIG. 2 is a left side view of the patching module of the present invention;
FIG. 3 is a right side view of the patching module of the present invention;
FIG. 4 is an enlarged view of section A of FIG. 3 of the present invention;
FIG. 5 is a cross-sectional view of a junction module of the present invention;
FIG. 6 is a right side view of the current module of the present invention;
FIG. 7 is an enlarged view of portion B of FIG. 6;
FIG. 8 is a left side view of the current module of the present invention;
FIG. 9 is a cross-sectional view of a current module of the present invention;
FIG. 10 is an enlarged view of section C of FIG. 9;
FIG. 11 is a left side view of the voltage partition module of the present invention;
FIG. 12 is a right side view of the voltage disconnect module of the present invention;
FIG. 13 is a left side view of the relay module of the present invention;
FIG. 14 is a right side view of the relay module of the present invention;
FIG. 15 is a cross-sectional view of a relay module of the present invention;
FIG. 16 is a left side view of the closing module of the present invention;
FIG. 17 is a right side view of the closing module of the present invention;
FIG. 18 is a left side view of a partition module of the present invention;
FIG. 19 is a right side view of the inventive partition module;
reference numerals:
1-wiring module, 1.1-connecting wire, 2-current module, 2.1-current module connecting plug, 3-voltage module, 3.1-voltage module connecting plug, 4-relay module, 5-closed module, 6-layered wiring bar, 6.1-voltage wiring bar, 6.2-current wiring bar, 6.2.1-upper metal sheet of current wiring bar, 6.2.2-insulating layer of current wiring bar, 6.2.3-lower metal sheet of current wiring bar, 7-voltage plug, 8-current plug, 8.1-upper metal sheet of current plug, 8.2-middle insulating layer of current plug, 8.3-lower metal sheet of current plug, 9-socket, 9.1-upper elastic sheet of socket, 9.2-lower elastic sheet of socket, 10-partition module, 10.1-partition module connecting plug, 11-supporting the housing.
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 invention, as claimed, but is merely representative of selected embodiments of the invention. 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. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.
Example 1
As shown in fig. 1-19, the modular functional plug suitable for the plug-in test junction box comprises a wiring module, a sealing module, a current module, a voltage module, a partition module and a relay module, the current module, the voltage module and the partition module are respectively provided with a current module connecting plug, a voltage module connecting plug and a partition module connecting plug which are matched with the plug-in test junction box, the current module, the voltage module, the partition module and the relay module are all provided with plugs and sockets which are detachably connected with other modules, the wiring module is provided with a socket which is detachably connected with other modules, the sealing module is provided with a plug which is detachably connected with other modules, the current module, the voltage module, the partition module and the relay module can be connected into a whole through a plug and a socket after being arranged in sequence according to actual needs and without selecting or selecting at least one of the current module, the voltage module, the partition module and the relay module.
Preferably, the terminal module includes the hollow support housing of making by fire-retardant insulating material, the right side of terminal module is equipped with the socket, be equipped with the layering line bank in the terminal module shell, the one end and the socket of layering line bank are connected, the other end rigid coupling of layering line bank has the connecting wire, the connecting wire passes the shell of terminal module and extends away.
Preferably, current module, voltage module, relay module and wall module all include hollow support housing, support housing's left side and right side are equipped with plug and socket respectively, be equipped with the layering line bank in the support housing, the left end and the right-hand member of layering line bank are connected with plug and socket respectively, current module connecting plug, voltage module connecting plug and wall module connecting plug all set firmly at each corresponding module support housing's surface and not with the surface coplane that is equipped with plug or socket, current module connecting plug includes sheetmetal and sheetmetal down, still including being used for connecting the well insulating layer of sheetmetal and sheetmetal down, voltage module connecting plug wholly is the conductor material, wall module connecting plug wholly is insulating material.
Preferably, the socket comprises a socket upper spring and a socket lower spring.
Preferably, the plug comprises a voltage plug and a current plug, the current plug comprises an upper metal sheet of the current plug and a lower metal sheet of the current plug, and the current plug further comprises a middle insulating layer of the current plug for connecting the upper metal sheet of the current plug and the lower metal sheet of the current plug.
Preferably, the layered terminal block comprises a voltage terminal block and a current terminal block.
Preferably, the current terminal block comprises an upper current terminal block metal sheet and a lower current terminal block metal sheet, and further comprises an insulating layer in the current terminal block arranged between the upper current terminal block metal sheet and the lower current terminal block metal sheet.
Preferably, the sealing module comprises a hollow supporting shell, a plug is arranged on the left side of the supporting shell, and the plug is made of an insulating material.
The current module possesses the current signal derivation function, and it specifically is: the current module connecting plug of the current module is inserted into the corresponding position of the plug-in test junction box, a current signal to be led out flows in from the lower end of the plug-in test junction box, enters the current module through the lower metal sheet of the current module connecting plug, and is connected with the lower metal sheet of the current wiring row in the layered wiring row in the current module, the lower metal sheet of the current wiring row is further connected with the lower metal sheet of the current plug on the left side of the current module, and is finally connected with the other modules on the left side through the wiring module connecting wire to enter the operation and maintenance equipment, the current flowing out from the operation and maintenance equipment flows into the upper metal sheet of the current plug of the current module plug through the other modules on the left side through the connecting wire, and is connected with the upper metal sheet of the current module connecting plug through the upper metal sheet of the current wiring row and finally flows into the upper end of the plug-in test junction box, so that the change of a current loop can be conveniently and quickly realized, and the series connection of the operation and maintenance equipment is completed, so that the function of deriving the current signal is realized.
The voltage module has a voltage signal derivation function, and specifically comprises: the voltage module connecting plug of the voltage module is inserted into the corresponding position of the plug-in type test junction box, a voltage signal needing to be led out enters from the lower end of the plug-in type test junction box and is connected with the upper end of the plug-in type test junction box through the voltage module connecting plug, the rear end of the voltage module connecting plug is connected with the voltage wiring row of the layered wiring row and then is connected with the left side module through the voltage plug, and finally is connected with the connecting wire through the wiring module to enter the operation and maintenance equipment, so that the parallel connection of the operation and maintenance equipment is completed, and the voltage signal leading-out function is realized.
The partition module has a voltage signal partition function, and specifically comprises: the connecting plug of the partition module is inserted into the corresponding position of the plug-in type test junction box, and the partition module connecting plug is made of insulating materials, so that the blocking of voltage signals of the upper end and the lower end of the plug-in type test junction box can be realized, and the function of disconnecting the voltage signal access of the electric energy meter is realized.
Preferably, the functional plug is used for field inspection of the electric energy meter and is formed by connecting a plug and a socket in the sequence of a wiring module, a current module, a voltage module, a relay module and a closed module, the field inspection of the electric energy meter needs to simultaneously derive voltage and current signals, and the current signals need to be derived from the front of the electric energy meter, so that for each phase, the functional module needs to be connected in the sequence of the current module, the voltage module and the relay module, the wiring module is used at the leftmost side, the closed module is used at the rightmost side, specifically, the current module is responsible for deriving the current signals from a current loop at the front of the meter, the voltage module is responsible for deriving the voltage signals, the relay module is responsible for connecting electric signals sent into the module socket by the right-side functional module into a layered wiring row and transmitting the electric signals to the left-side module through the module plug, therefore, the functions of signal relay and structural stability are realized, the wiring module is responsible for connecting electric signals in the layered wiring row into the connecting wire, and the sealing module is responsible for realizing the integral external insulation of the functional plug and maintaining the structural integrity of the functional plug.
Preferably, the functional plug is used for secondary voltage drop test, and is formed by connecting a plug and a socket in the sequence of a wiring module, a relay module, a voltage module, a relay module and a sealing module, and the secondary voltage drop test only needs to derive phase voltage signals, so that for each phase, the functional module can be connected in the sequence of the relay module, the voltage module and the relay module, the wiring module is used at the leftmost side, the sealing module is used at the rightmost side, specifically, the voltage module is responsible for deriving the voltage signals, the relay module is responsible for connecting electric signals sent by the right functional module into the module socket into the layered wiring row and transmitting the electric signals to the left module through the module plug, thereby realizing the functions of signal relay and stable structure, and the wiring module is responsible for connecting electric signals in the layered wiring row into the connecting line, the sealing module is responsible for realizing the whole external insulation of the functional plug and maintaining the structural integrity of the functional plug.
Preferably, the functional plug is used for replacing the meter without power outage and is formed by connecting a plug and a socket according to the sequence of a wiring module, a current module, a partition module, a current module and a closed module, the meter without power outage does not need to derive voltage and current signals, but needs to be short-circuited at a plug-in type test junction box with a current loop before the meter and disconnect a voltage line before the meter, so that the aim of completely blocking the voltage and the current signals from entering the electric energy meter is fulfilled, therefore, for each phase, the functional modules can be connected by adopting the sequence of the current module, the blocking module and the current module, the wiring module or the closed module with the modular socket is used at the leftmost side, the closed module is used at the rightmost right side, specifically, the two current modules of each phase connect the current loop before the meter and the current loop after the meter to the same current wiring bar, therefore, the meter front short circuit of the phase current signals is completed, the blocking module of each phase completes the partition of the phase voltage signals, so that the separation of the phase current signals and the electric energy meter is completed, the wiring module on the left side or the closed module with the module socket and the closed module on the right side are responsible for realizing the whole external insulation of the functional plug, and the structural integrity of the functional plug is maintained.
Preferably, different colors and marks are arranged on the wiring module, the current module, the voltage module, the relay module, the partition module and the sealing module.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111017526.7A CN113721183B (en) | 2021-08-31 | 2021-08-31 | Modular functional plug suitable for plug-in test junction box and how to use it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111017526.7A CN113721183B (en) | 2021-08-31 | 2021-08-31 | Modular functional plug suitable for plug-in test junction box and how to use it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113721183A true CN113721183A (en) | 2021-11-30 |
| CN113721183B CN113721183B (en) | 2023-12-01 |
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| CN101728699A (en) * | 2008-10-20 | 2010-06-09 | 巍世科技有限公司 | Assembled plug and socket |
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| CN202423680U (en) * | 2012-05-31 | 2012-09-05 | 王雷 | Building block type combination socket |
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| CN113721183B (en) | 2023-12-01 |
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