Cable core wire protection warning device and use method thereof

Abstract

The present invention discloses a cable core wire protection and warning device and a method for using the same. The cable core wire protection and warning device comprises a core fixing component and an assembled component; the core fixing component comprises a first insulating shell and a core fastener; the core fastener is arranged in the first insulating shell, and the first insulating shell is provided with a core access port, and the core access port corresponds to the core fastener; the assembled component comprises at least two warning signs, an insulating sheath, a protective cover and at least two functional accessories; the warning sign is provided on the surface of the insulating sheath, and the surface of the protective cover is provided with an installation operation groove; the first insulating shell is detachably connected to the functional accessory or the protective cover. The overall protection and warning effect of the present invention is achieved by customized matching by the operator, and the use is flexible, the sheath and functional accessories can be replaced at any time, and the maintenance is simple, which helps the operator to intuitively understand the condition of the cable core and brings convenience to the operation on the secondary circuit.

Description

Technical Field

[0001] The present invention relates to the technical field of cable protection, and in particular to a cable core wire protection warning device and a use method thereof. Background Art

[0002] During the disconnection, wiring and installation of low-voltage cable core wires in the power system, operators need to take some technical measures to provide safety protection and warnings for the core wire ends of single low-voltage cables to ensure that no electric shock, wrong wiring, or missing wiring occurs. For the spare core wire ends of single cables that are not used for a long time, isolation and protection measures must be taken.

[0003] In addition to using insulating tape to stick or wrap, existing methods also include the use of isolation rings. However, after long-term use, these methods have gradually exposed problems such as limited functionality, weak warning effect, and poor protection against electric shock, especially during nighttime operations. Moreover, with the continuous upgrading of secondary circuits, operators are unclear about the specific possible use of some long-unused single cable cores and whether they are energized. They need to refer to the drawings to find out, which brings inconvenience to secondary circuit operations. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a cable core protection warning device and a method of use thereof, which can flexibly display the condition of the cable core while providing protection, bringing convenience to operations on the secondary circuit.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A cable core wire protection and warning device comprises a core fixing component and an assembled component;

[0007] The wire core fixing assembly includes a first insulating shell and a wire core fastener;

[0008] The wire core fastener is arranged in the first insulating shell, and the first insulating shell is provided with a wire core access port, and the wire core access port corresponds to the wire core fastener;

[0009] The assembled component includes an insulating sheath, a protective cover, at least two warning signs and at least two functional accessories;

[0010] The warning mark is arranged on the surface of the insulating sheath, the insulating sheath is sleeved on the first insulating shell, the surface of the protective cover is provided with an installation operation groove, and the first insulating shell is detachably connected to the functional accessory or the protective cover.

[0011] In order to solve the above technical problems, another technical solution adopted by the present invention is:

[0012] A method for using a cable core wire protection and warning device, applied to the above-mentioned cable core wire protection and warning device, comprises the following steps:

[0013] S1. The operator selects an insulating sheath with a warning mark according to the core wire information of the cable core wire;

[0014] S2. The operator installs the selected insulating sheath onto the first insulating housing;

[0015] S3. The operator connects the protective cover or the selected functional accessories to the first insulating housing;

[0016] S4. The operator inserts the cable core wire into the core access port on the first insulating housing and fixes the cable core wire with the core fastener;

[0017] S5. When the cable core protection warning device is not needed, the operator shall remove and retract the protective cover or functional accessories, insulating sheath and wire core fixing components in sequence.

[0018] The beneficial effects of the present invention are: providing a cable core protection warning device and a method of using the same, when performing cable core protection warning operations on the secondary circuit, first select a suitable insulating sheath with a warning mark according to the actual operation conditions such as the core information, and then install the selected insulating sheath on the first insulating shell, and then connect the protective cover or the functional accessories selected according to actual needs to the first insulating shell, and finally fix the first insulating shell and the core fasteners inside it to the cable core to form a protective warning. When used at night, the mark can be used for warning and has the function of a light indicator. The overall protective warning effect is achieved by the operator's customized combination, which is flexible to use, and the sheath and functional accessories can be replaced at any time. It is simple to maintain, helping the operator to intuitively understand the condition of the cable core and bringing convenience to operations on the secondary circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a core fixing assembly of a cable core protection and warning device of the present invention;

[0020] Figure 2 A cross-sectional view of a core fixing assembly of a cable core protection and warning device according to an embodiment of the present invention;

[0021] Figure 3 This is a structural schematic diagram of an insulating sheath with a warning mark of a cable core wire protection and warning device according to an embodiment of the present invention;

[0022] Figure 4This is a structural diagram of functional accessories of a cable core wire protection and warning device according to an embodiment of the present invention;

[0023] Figure 5 This is a schematic diagram of the internal components of a light indicator of a cable core wire protection and warning device according to an embodiment of the present invention;

[0024] Figure 6 This is a schematic structural diagram of a protective cover of a cable core wire protection and warning device according to an embodiment of the present invention;

[0025] Figure 7 A schematic diagram of the position of an elastic pick of a cable core wire protection and warning device according to an embodiment of the present invention;

[0026] Figure 8 This is a schematic diagram showing the effect of forming a constricted fixed opening of a cable core wire protection and warning device according to an embodiment of the present invention;

[0027] Figure 9 The present invention is a schematic diagram of the steps of using a cable core wire protection and warning device.

[0028] Description of labels:

[0029] 1. First insulating shell; 2. Wire core fastener; 3. Warning sign; 4. Functional accessories; 5. Insulating sheath; 6. First connecting part; 7. Second connecting part; 8. Ejector pin; 9. Insulating chamber; 10. Fastening opening; 11. Elastic pick; 12. Protective cover; 13. Installation operation slot;

[0030] 41. Second insulating shell; 42. Power supply module; 43. Indicator light; 44. Elastic control member; 45. Control head. DETAILED DESCRIPTION

[0031] To illustrate the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and accompanying drawings.

[0032] Please refer to Figures 1 to 8 , a cable core wire protection and warning device, comprising a core fixing component and an assembled component;

[0033] The wire core fixing assembly includes a first insulating shell 1 and a wire core fastener 2;

[0034] The wire core fastener 2 is arranged in the first insulating housing 1. The first insulating housing 1 is provided with a wire core access port, and the wire core access port corresponds to the wire core fastener 2;

[0035] The assembled component includes an insulating sheath 5, a protective cover 12, at least two warning signs 3 and at least two functional accessories 4;

[0036] The warning mark 3 is arranged on the surface of the insulating sheath 5, and the insulating sheath 5 is sleeved on the first insulating shell 1. The surface of the protective cover 12 is provided with an installation operation groove 13; the first insulating shell 1 and the functional accessory 4 or the protective cover 12 are detachably connected.

[0037] From the above description, it can be seen that the beneficial effects of the present invention are: when performing cable core protection warnings on the secondary circuit, first select a suitable insulating sheath 5 with a warning mark 3 according to the actual operating conditions such as the core information, and then install the selected insulating sheath 5 on the first insulating shell 1, and then connect the protective cover 12 or functional accessories 4 (selected according to actual needs) to the first insulating shell 1, and finally fix the first insulating shell 1 and the core fasteners inside it to the cable core to form a protective warning. When used at night, the warning mark can be used as a light indicator 43. The overall protective warning effect is achieved by the operator's customized combination, which is flexible to use, and the sheath and functional accessories can be replaced at any time. It is simple to maintain, helping the operator to intuitively understand the condition of the cable core and bringing convenience to operations on the secondary circuit.

[0038] Furthermore, one of the functional accessories 4 is a light indicator, which includes a second insulating shell 41, a power supply module 42 and an indicator light 43;

[0039] The power supply module 42 and the indicator light 43 are both located in the second insulating housing 41 , and the power supply module 42 is electrically connected to the indicator light 43 ;

[0040] The surface of the second insulating shell 41 corresponding to the position of the indicator light 43 is a transparent outer wall, and the second insulating shell 41 is detachably connected to the first insulating shell 1.

[0041] From the above description, it can be seen that the light indicator consists of a second insulating shell 41, a power supply module 42 and an indicator light 43; the second insulating shell 41 provides insulation protection while protecting the lamp; the indicator light 43 relies on the power supply module 42 for independent power supply; at night, the indicator light 43 plays a lighting role to enhance the warning effect.

[0042] Furthermore, the first insulating shell 1 is provided with a first connecting portion 6;

[0043] The functional accessory 4 is provided with a second connecting portion 7 corresponding to the first connecting portion 6 , and the first connecting portion 6 and the second connecting portion 7 are detachably connected;

[0044] The first connecting portion 6 is provided with a thimble 8, and the second connecting portion 7 is provided with a function-activating elastic switch;

[0045] When the first connecting portion 6 and the second connecting portion 7 are detachably connected, the ejector pin 8 abuts against the function activation elastic switch.

[0046] From the above description, it can be seen that the first insulating shell 1 and the functional accessory 4 are respectively provided with a first connecting part 6 and a second connecting part 7, which are connected by threads, and are very convenient to install and replace; and during installation, the ejector pin 8 on the first connecting part 6 corresponds to the function start elastic switch, that is, the corresponding start functional accessory 4 is realized, so that the installation and function activation are synchronized, and the disassembly and function shutdown are synchronized, thereby making the use of the device more convenient.

[0047] Furthermore, the first connecting portion 6 is a fitting groove, the inner wall of which is provided with a thread, the second connecting portion 7 is a cylinder adapted to the first connecting portion 6, and the circumferential outer wall of the second connecting portion 7 is provided with a reverse thread;

[0048] The ejector pin 8 is located inside the first connecting portion 6 , the function activation elastic switch is located inside the second connecting portion 7 , and the first connecting portion 6 and the second connecting portion 7 are threadedly connected.

[0049] From the above description, it can be seen that the first connecting part 6 is designed to be a mounting groove, and the second connecting part 7 is correspondingly designed to be a cylinder. During installation, the interior of the first connecting part 6 and the outer wall of the second connecting part 7 are spliced ​​into a closed space to protect the ejector pin 8 and the function-starting elastic switch, thereby preventing external factors from causing the function of the functional accessory 4 to be accidentally shut down.

[0050] Furthermore, an insulating chamber communicating with the wire core access port is provided in the first insulating housing 1;

[0051] The wire core fastener 2 is arranged in the insulating chamber 9, and the wire core fastener 2 is provided with a bunching and fixing opening 10 for the wire to pass through, and the bunching and fixing opening 10 corresponds to the wire core access opening;

[0052] The size and shape of the converging and fixing opening 10 are adjustable.

[0053] From the above description, it can be seen that the wire core fastener 2 is provided with a bundling and fixing opening 10 for the wire to pass through, and the size and shape of the bundling and fixing opening 10 are adjustable, so that it can adapt to wire cores of different shapes and sizes, thereby enhancing the bundling and fixing effect.

[0054] Furthermore, the wire core fastener 2 includes at least two elastic picks 11;

[0055] All the elastic paddles 11 are sequentially distributed in the insulating chamber 9 in a direction close to the wire core access port, and adjacent elastic paddles 11 are staggered, and one end of each elastic paddle 11 for contacting the wire core corresponds to the wire core access port;

[0056] In the straight direction of entering and exiting the wire core access port, all the elastic picks 11 are used to contact one end of the wire core and overlap to form the bundling and fixing port 10 .

[0057] From the above description, it can be seen that a plurality of elastic picks 11 are provided in the insulating chamber to limit different positions on the cable core, and since the elastic picks 11 are staggered, the directions of the forces applied to the cable core are different. The effect of combining them together is to bundle and fix the cable core or the insulating surface part thereof.

[0058] Furthermore, each of the warning identification elements 3 is composed of at least one of a charged identification, a number identification, and a usage type identification.

[0059] From the above description, it can be seen that each of the warning identification parts 3 can be a combination of a live identification, a number identification and a usage type identification, and can be flexibly selected according to the wire core information to meet the operation requirements in different situations.

[0060] Please refer to Figure 9 A method for using a cable core wire protection and warning device is applied to the above-mentioned cable core wire protection and warning device, comprising the following steps:

[0061] S1. The operator selects an insulating sheath 5 with a warning mark 3 according to the core wire information of the cable core wire;

[0062] S2. The operator installs the selected insulating sheath 5 onto the first insulating housing 1;

[0063] S3. The operator connects the protective cover 12 or the selected functional accessory 4 to the first insulating housing 1;

[0064] S4. The operator inserts the cable core wire into the core access port on the first insulating housing 1 and fixes the cable core wire with the core fastener 2;

[0065] S5. When the cable core wire protection warning device is not needed, the operator removes and retracts the protective cover 12 or the functional accessory 4, the insulating sheath 5 and the wire core fixing assembly in sequence.

[0066] From the above description, it can be seen that the beneficial effects of the present invention are: when performing cable core protection warnings on the secondary circuit, first select a suitable insulating sheath 5 with a warning mark 3 according to the actual operating conditions such as the core information, and then install the selected insulating sheath 5 on the first insulating shell 1, and then connect the protective cover 12 or functional accessories 4 (selected according to actual needs) to the first insulating shell 1, and finally fix the first insulating shell 1 and the core fasteners inside it to the cable core to form a protective warning. When used at night, the warning mark can be used as a light indicator 43. The overall protective warning effect is achieved by the operator's customized combination, which is flexible to use, and the sheath and functional accessories can be replaced at any time. It is simple to maintain, helping the operator to intuitively understand the condition of the cable core and bringing convenience to operations on the secondary circuit.

[0067] Please refer to Figures 1 to 4 , embodiment 1 of the present invention is:

[0068] A cable core wire protection and warning device includes a core fixing component and an assembled component; the core fixing component includes a first insulating shell 1 and a core fastener 2; the core fastener 2 is arranged in the first insulating shell 1, and the first insulating shell 1 is provided with a core access port, which corresponds to the core fastener 2; the assembled component includes an insulating sheath 5, a protective cover 12, at least two warning signs 3 and at least two functional accessories 4; the warning sign 3 is arranged on the surface of the insulating sheath 5, the insulating sheath 5 is sleeved on the first insulating shell 1, and the surface of the protective cover 12 is provided with an installation operation groove 13; the first insulating shell 1 and the functional accessory 4 or the protective cover 12 are detachably connected.

[0069] In this embodiment, each warning sign 3 is composed of at least one of a live sign, a number sign, and a usage type sign; the live sign generally adopts a lightning sign to indicate whether the cable core is live, etc., while the number sign indicates the number of the cable core to distinguish it from other cores; when working, operators usually need to understand from the work instructions which cores with which labels are involved in the work content, etc., and the usage type sign generally includes words such as "powered" and "spare core".

[0070] In this embodiment, the functional accessory 4 is defined as providing other functions in addition to insulation protection of the wire core; the functional accessory 4 can have functions such as smoke alarm, light indication, temperature detection, etc. For some cables in an environment that is prone to fire, it is possible to consider using a functional accessory 4 with a smoke alarm, which can not only protect the cables, but also provide early warning protection for other equipment in the scene. Among them, taking the realization of the light indication function as an example, a functional accessory 4 is a light indicator, which includes a second insulating shell 41, a power supply module 42 and an indicator light 43; the power supply module 42 and the indicator light 43 are both located in the second insulating shell 41, and the power supply module 42 is electrically connected to the indicator light 43; the surface of the second insulating shell 41 corresponding to the position of the indicator light 43 is a transparent outer wall, and the second insulating shell 41 is detachably connected to the first insulating shell 1. The power supply module 42 can be simply powered by a button battery lamp independent power supply, which has good stability. Among them, the color of the second insulating shell 41 can be selected as red or black.

[0071] Therefore, the assembled component parts of a cable core protection warning device have at least the following combinations:

[0072] Combination 1: Select a warning sign 3 with only a number printed on it, such as the one with number ①, and insert it tightly into the outer side of the first insulating housing 1 through the second insulating housing 41;

[0073] Combination 2: Select a warning sign 3 printed with a number, text, and symbol, such as number ①, the text "Electricity", and a lightning symbol, and tightly insert it into the outer side of the first insulating housing 1 through the second insulating housing 41;

[0074] Combination 3: Select a warning sign 3 printed with a number and text, such as number ① and the text "spare core", and tightly insert it into the outer side of the first insulating housing 1 through the second insulating housing 41;

[0075] Combination 4: Select a warning sign 3 printed with numbers and text, such as number ①, the text "electricity" and the lightning symbol, and tightly insert it into the outside of the first insulating shell 1 through the second insulating shell 41, and select a light indicator at the same time.

[0076] Please refer to Figures 4 to 6 , the second embodiment of the present invention is:

[0077] A cable core protection and warning device, based on the above-mentioned embodiment one, is provided with a first connecting part 6 on the first insulating shell 1; a second connecting part 7 corresponding to the first connecting part 6 is provided on the functional accessory 4, and the first connecting part 6 and the second connecting part 7 are detachably connected; the first connecting part 6 is provided with a thimble 8, and the second connecting part 7 is provided with a function-activating elastic switch.

[0078] When the functional accessory 4 is installed on the first insulating shell 1, that is, the first connecting part 6 and the second connecting part 7 are detachably connected, the ejector pin 8 abuts against the function start elastic switch, and the functional accessory 4 is correspondingly started; taking the above-mentioned light indicator as an example, the function start elastic switch can be composed of an elastic control part 44, a moving contact and a control head 45, and the moving contact and the power supply module 42 and the indicator light 43 form a closed circuit, the moving contact is arranged on one end of the elastic control part 44, and the control point is arranged on the other end of the elastic control part 44, and the control point corresponds to the ejector pin 8; when the ejector pin 8 hits the control point, the moving contact is driven to close by the elastic control part 44, and the power supply module 42 and the indicator light 43 are connected.

[0079] In addition, the first connecting part 6 is an assembly groove, the inner wall of the first connecting part 6 is provided with a thread, the second connecting part 7 is a cylinder adapted to the first connecting part 6, and the circumferential outer wall of the second connecting part 7 is provided with a reverse thread; the ejector pin 8 is located inside the first connecting part 6, the function activation elastic switch is located inside the second connecting part 7, and the first connecting part 6 and the second connecting part 7 are threadedly connected.

[0080] In this embodiment, the protective cover 12 is provided with a second connecting portion 7. The installation operation slot 13 preferably uses an opening adapted to a flat-blade screwdriver carried by the operator, and the operator inserts the flat-blade screwdriver into the operation opening to rotate the protective cover 12.

[0081] Please refer to Figure 7 and Figure 8 , the third embodiment of the present invention is:

[0082] A cable core protection and warning device, based on the first or second embodiments described above, comprises a first insulating housing 1, an insulating chamber 9 connected to a core access port; a core fastener 2 is disposed within the insulating chamber 9, and a core fastener 2 is provided with a constricting and fixing opening 10 for the wire to pass through, the constricting and fixing opening 10 corresponding to the core access port; the size and shape of the constricting and fixing opening 10 are adjustable. In this embodiment, for a straight core, the constricting and fixing opening 10 can be in the shape of a plum blossom, while for a core with a hook, the constricting and fixing opening 10 can be in the shape of a flat opening.

[0083] Preferably, the wire core fastener 2 includes at least two elastic paddles 11; all the elastic paddles 11 are distributed in sequence in the insulating chamber 9 toward the wire core access port, and adjacent elastic paddles 11 are staggered, and one end of each elastic paddle 11 used to contact the wire core corresponds to the wire core access port; in the straight line direction of entering and exiting the wire core access port, all the elastic paddles 11 used to contact one end of the wire core overlap to form a bundled fixing port 10.

[0084] Please refer to Figure 9 , the fourth embodiment of the present invention is:

[0085] A method for using a cable core wire protection and warning device, applied to a cable core wire protection and warning device of embodiment one, two, or three, comprises the following steps:

[0086] S1. The operator selects an insulating sheath 5 with a warning mark 3 according to the core wire information of the cable core wire;

[0087] S2. The operator installs the selected insulating sheath 5 onto the first insulating housing 1;

[0088] S3. The operator connects the protective cover 12 or the selected functional accessory 4 to the first insulating housing 1;

[0089] S4. The operator inserts the cable core wire into the core access port on the first insulating housing 1 and fixes the cable core wire with the core fastener 2;

[0090] In this embodiment, the following usages are referred to:

[0091] Usage 1: For cable cores that need to be temporarily protected and warned, if the cable cores are not live, you can select combination 1 to serve as a warning, telling the operator that a section of the cable core is temporarily removed; when the work is completed, just unplug combination 1.

[0092] Usage 2: For cable cores that require temporary protection and warning, if the cable core is live, select combination 2 for a better warning of liveness, telling the operator that the cable core has been temporarily removed and is live. It should not be touched and should be used to prevent electric shock during work. When work is complete and needs to be resumed, unplug combination 2. The "Live" text and lightning symbol will serve as a reminder: be aware of the liveness and be careful when resuming work to prevent electric shock.

[0093] Usage three: For cable core wires that are not used for a long time (spare core), protective measures need to be taken. You can choose combination three. The text "spare core" tells the operator that this cable core wire is a cable core wire that is not used for a long time (spare core). When needed, you can choose this spare core.

[0094] Usage four: When working at night, for cable cores that need temporary protection and warning, if the cable cores are charged, you can choose combination four. This combination is printed with the words "Electricity" and a lightning symbol. At the same time, the indicator light 43 is lit and glows, which plays a better role in warning that there is electricity when working at night, telling the operator that the cable core has been temporarily removed and is charged. It should not be touched randomly and should be careful to prevent electric shock during work. When the work is finished and needs to be resumed, unplug combination four. The words "Electricity", the lightning symbol and the indicator light 43 will serve as a reminder at the same time: pay attention to the electricity and be careful when resuming to prevent electric shock. When not in use, in order to prevent the button battery from consuming power, the functional accessory 4 can be screwed upwards a little to turn off the indicator light 43.

[0095] Furthermore, the above numbers have two functions:

[0096] First, the tool number corresponds one-to-one with the corresponding cable core number or its header number (a common working number for cable cores), which is convenient for recording. For example, tool No. ① is used on a cable core with header number 801, which can be conveniently recorded as ①→801.

[0097] Secondly, at the end of the work, count the numbers of the tools you brought. If you find that a tool with a certain number is missing, it will be easy to find out that a cable core has not been restored or the tool with that number is left at the scene. For example, if you find that tool No. 1 is missing, inform the operator that the cable core 801 has not been restored or tool No. 1 is left at the scene.

[0098] S5. When the cable core wire protection warning device is not needed, the operator removes and retracts the protective cover 12 or the functional accessory 4, the insulating sheath 5 and the wire core fixing assembly in sequence.

[0099] In summary, the present invention provides a cable core protection warning device and a method of use thereof. When performing cable core protection warning operations on a secondary circuit, first select a suitable insulating sheath with a warning mark according to the actual operating conditions such as the core information, and then install the selected insulating sheath on the first insulating shell. Then, connect the protective cover or the functional accessories selected according to actual needs to the first insulating shell, and finally fix the first insulating shell and the core fasteners inside it to the cable core to form a protective warning. When used at night, the mark can be used for warning and has functions such as light indicator lights. The overall protective warning effect is achieved by the operator's customized combination. It is flexible to use, the sheath and functional accessories can be replaced at any time, and the maintenance is simple. It helps the operator to intuitively understand the condition of the cable core and brings convenience to operations on the secondary circuit.

[0100] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's description and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A cable core protection and warning device, comprising a core fixing component and an assembled component; The wire core fixing assembly includes a first insulating shell and a wire core fastener; The wire core fastener is arranged in the first insulating shell, and the first insulating shell is provided with a wire core access port, and the wire core access port corresponds to the wire core fastener; The assembled component includes an insulating sheath, a protective cover, at least two warning signs and at least two functional accessories; The warning mark is provided on the surface of the insulating sheath, the surface of the protective cover is provided with an installation operation groove, and the first insulating shell is detachably connected to the functional accessory or the protective cover; One of the functional accessories is a light indicator, which includes a second insulating shell, a power supply module and an indicator light; The power supply module and the indicator light are both located in the second insulating housing, and the power supply module is electrically connected to the indicator light; The surface of the second insulating shell corresponding to the position of the indicator light is a transparent outer wall, and the second insulating shell is detachably connected to the first insulating shell; A first connecting portion is provided on the first insulating shell; The functional accessory is provided with a second connecting portion corresponding to the first connecting portion, and the first connecting portion and the second connecting portion are detachably connected; The first connecting portion is provided with a thimble, and the second connecting portion is provided with a function-activating elastic switch; When the first connecting portion and the second connecting portion are detachably connected, the ejector pin abuts against the function activation elastic switch.

2. A cable core wire protection and warning device according to claim 1, characterized in that: The first connecting portion is a fitting groove, the inner wall of which is provided with a thread, and the second connecting portion is a cylinder adapted to fit the first connecting portion, the circumferential outer wall of which is provided with a reverse thread; The ejector pin is located inside the first connecting portion, the function activation elastic switch is located inside the second connecting portion, and the first connecting portion is threadedly connected to the second connecting portion.

3. A cable core wire protection and warning device according to claim 1, characterized in that: An insulating chamber connected to the wire core access port is provided in the first insulating shell; The wire core fastener is arranged in the insulating chamber, and the wire core fastener is provided with a bunching and fixing opening for the wire to pass through, and the bunching and fixing opening corresponds to the wire core access opening; The size and shape of the convergence and fixing opening are adjustable.

4. A cable core wire protection and warning device according to claim 3, characterized in that: The wire core fastener includes at least two elastic picks; All the elastic picks are sequentially distributed in the insulating chamber in a direction close to the wire core access port, adjacent elastic picks are staggered, and one end of each elastic pick for contacting the wire core corresponds to the wire core access port; In the straight line direction of entering and exiting the wire core access port, all the elastic picks are used to abut against one end of the wire core and overlap to form the bundling and fixing port.

5. A cable core wire protection and warning device according to claim 1, characterized in that: Each of the warning identification parts is composed of at least one of a charged identification, a number identification and a usage type identification.

6. A method for using a cable core wire protection and warning device, applied to a cable core wire protection and warning device according to any one of claims 1 to 5, characterized in that: The process includes the following steps: S1. The operator selects an insulating sheath with a warning mark according to the core wire information of the cable core wire; S2. The operator installs the selected insulating sheath onto the first insulating housing; S3. The operator connects the protective cover or the selected functional accessories to the first insulating housing; S4. The operator inserts the cable core wire into the core access port on the first insulating housing and fixes the cable core wire with the core fastener; S5. When the cable core wire protection warning device is not needed, the operator removes and retracts the protective cover or the functional accessory, the insulating sheath and the core fixing assembly in sequence.

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