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CN217133245U - Conductive sleeve with temperature monitoring, current monitoring and voltage detection functions - Google Patents

Conductive sleeve with temperature monitoring, current monitoring and voltage detection functions Download PDF

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Publication number
CN217133245U
CN217133245U CN202122028455.2U CN202122028455U CN217133245U CN 217133245 U CN217133245 U CN 217133245U CN 202122028455 U CN202122028455 U CN 202122028455U CN 217133245 U CN217133245 U CN 217133245U
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China
Prior art keywords
epoxy
epoxy resin
insulating
current
monitoring
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Active
Application number
CN202122028455.2U
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Chinese (zh)
Inventor
张琦昱
胡启
涂宜昌
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Nanjing Switchgear Co ltd
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Nanjing Switchgear Factory Co ltd
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Abstract

The utility model discloses a take temperature monitoring, current monitoring and voltage detection's conductive sleeve, concretely relates to conductive sleeve technical field, including the insulating cover of epoxy, the insulating bayonet joint of one side fixedly connected with epoxy of the insulating cover of epoxy, the insulating installation head of opposite side fixedly connected with epoxy of the insulating cover of epoxy, the inside fixedly connected with of the insulating cover of epoxy is the columniform electric conductor. Through implanting electric current coil, voltage sensor in the insulating cover of epoxy, reduce the use volume of cubical switchboard, realize the miniaturization of the cubical switchboard body and the monitoring of cubical switchboard major loop "voltage", "current", avoid using in the cubical switchboard traditional, the relatively big ferromagnetic transformer such as "current transformer", "voltage mutual inductor", avoid the precision that ferromagnetic transformer caused after magnetic saturation inaccurate and take place ferromagnetic resonance and arouse the defect that the mutual-inductor explodes.

Description

Conductive sleeve with temperature monitoring, current monitoring and voltage detection functions
Technical Field
The utility model relates to a conductive sleeve technical field specifically is a conductive sleeve who takes temperature monitoring, current monitoring and voltage detection.
Background
In the industry of high-voltage switch electric appliances, a conductive loop often adopts a conductive sleeve when passing through a metal partition plate, the interior of the common conductive sleeve is a copper conductor, an external closed insulating layer is used as an insulating medium, the external insulating layer prevents high voltage in the internal conductor from influencing the metal partition plate, the copper conductor is used for conducting loop connection of high-voltage electric appliances on two sides of the metal partition plate, but the conductive sleeve only plays a role in conducting loop switching, and does not sense current, voltage and temperature in the loop;
the conductive sleeve with temperature monitoring, current monitoring and voltage detection in the prior art has the following problems:
1. the existing conductive sleeve is mostly of a simple integrated structure, and is separately installed with a voltage transformer and a current transformer, but because the voltage transformer and the current transformer are very large in size and are installed inside a switch cabinet body, the switch cabinet is very large in size, and miniaturization of the switch cabinet is not easy to realize;
2. when an existing cable plug is unqualified in installation, the lap joint surface of a sleeve conductor and a cable plug conductor can generate higher temperature, the cable plug can be damaged due to the overhigh temperature, and an interphase short-circuit accident is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take temperature monitoring, current monitoring and voltage detection's conductive sleeve to solve the problem of proposing among the above-mentioned background art.
In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides a take temperature monitoring, current monitoring and voltage detection's current sleeve, includes the insulating cover of epoxy, the insulating bayonet joint of one side fixedly connected with epoxy of the insulating cover of epoxy, the insulating first installation of opposite side fixedly connected with epoxy of the insulating cover of epoxy, the inside fixedly connected with of the insulating cover of epoxy is the columniform electric conductor, and the both ends of electric conductor run through the insulating bayonet joint of epoxy and the insulating first installation of epoxy respectively, the outside of electric conductor has set gradually current coil, voltage sensor and shielding layer, and current coil, voltage sensor and shielding layer all are located the inside of the insulating cover of epoxy.
Preferably, threaded holes are formed in both end faces of the conductor, and a groove is formed in the end face, far away from the epoxy resin insulation sleeve, of the epoxy resin insulation mounting head.
Preferably, the end face, far away from the epoxy resin insulating sleeve, of the epoxy resin insulating plug connector is provided with a fixing groove, and an auxiliary heat conduction cushion block is clamped inside the fixing groove.
Preferably, one side of the auxiliary heat conduction cushion block is provided with a temperature sensing sensor unit, the auxiliary heat conduction cushion block is fixedly connected with the temperature sensing sensor unit through a fixing screw, and a temperature sensing chip is fixedly mounted on the outer surface of the temperature sensing sensor unit.
Preferably, a chip protection cover is fixedly connected to one side inside the fixing groove.
Preferably, the end face of the epoxy resin insulating sleeve close to the epoxy resin insulating plug is provided with a group of mounting screw holes, the upper part of one side of the epoxy resin insulating sleeve close to the end face of the epoxy resin insulating plug is provided with two current signal output screw holes, the lower part of one side of the epoxy resin insulating sleeve close to the end face of the epoxy resin insulating plug is provided with two voltage signal output screw holes, and the lower part of the other side of the epoxy resin insulating sleeve close to the end face of the epoxy resin insulating plug is provided with a shielding layer grounding screw hole.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses an embedding electric current coil, voltage sensor in the epoxy insulation cover, reduce the use volume of cubical switchboard, realize the miniaturization of the cubical switchboard body and the monitoring of cubical switchboard major loop "voltage", "electric current", avoid using traditional, the volume is great ferromagnetic transformer such as "current transformer", "voltage mutual inductor", avoid ferromagnetic transformer to cause after magnetic saturation precision inaccurate and take place ferromagnetic resonance and cause the defect of mutual-inductor explosion;
2. the utility model discloses an implant supplementary heat conduction cushion and temperature sensor unit in the fixed slot of the insulating installation head of epoxy, the temperature sensor unit realizes the temperature monitoring to the electric conductor in the cable plug and the electric conductor contact department in the sleeve pipe, avoids the short circuit occurence of failure that the plug installation is unqualified to cause, in time judges the trouble and sends fault signal when the temperature risees, makes the cubical switchboard tripping operation of protecting, avoids the short circuit occurence of failure that the plug installation is unqualified to cause.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is a partially enlarged view of the area a of fig. 2 according to the present invention.
Fig. 4 is a side view of the present invention.
Fig. 5 is a front view of the auxiliary heat-conducting cushion block of the present invention.
Fig. 6 is a front view of the temperature sensor unit of the present invention.
In the figure: 1. an epoxy resin insulating sleeve; 2. an epoxy resin insulation plug; 3. an epoxy resin insulation mounting head; 4. an electrical conductor; 5. a threaded hole; 6. a current coil; 7. a voltage sensor; 8. a shielding layer; 9. a trench; 10. fixing grooves; 11. an auxiliary heat conducting cushion block; 12. a temperature-sensitive sensor unit; 13. a set screw; 14. a chip protection cover; 15. a temperature sensing chip; 16. mounting a screw hole; 17. a current signal output screw hole; 18. a voltage signal output screw hole; 19. the shielding layer is grounded to the screw hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment is as follows: as shown in fig. 1-6, the utility model provides a conductive sleeve with temperature monitoring, current monitoring and voltage detection, which comprises an epoxy resin insulating sleeve 1, an epoxy resin insulating plug 2 is fixedly connected to one side of the epoxy resin insulating sleeve 1, an epoxy resin insulating mounting head 3 is fixedly connected to the other side of the epoxy resin insulating sleeve 1, a cylindrical electric conductor 4 is fixedly connected to the inside of the epoxy resin insulating sleeve 1, two ends of the electric conductor 4 respectively penetrate through the epoxy resin insulating plug 2 and the epoxy resin insulating mounting head 3, a current coil 6, a voltage sensor 7 and a shielding layer 8 are sequentially arranged on the outside of the electric conductor 4, the current coil 6, the voltage sensor 7 and the shielding layer 8 are all positioned inside the epoxy resin insulating sleeve 1, and the current coil 6 and the voltage sensor 7 are implanted in the epoxy resin insulating sleeve 1, reduce the use volume of cubical switchboard, realize the monitoring of the miniaturization and the cubical switchboard major loop "voltage", "electric current" of the cubical switchboard body, screw hole 5 has all been seted up to the both ends face of electric conductor 4, epoxy insulating erection head 3 keeps away from the terminal surface of epoxy insulating bush 1 and has seted up slot 9, when epoxy seals admittedly, epoxy is full of in the slot 9 on the epoxy insulating plug 2, prevent that electric conductor 4 from deviating from in epoxy insulating bush 1, epoxy insulating plug 2 and the epoxy insulating erection head 3.
Further, the end face, far away from the epoxy resin insulation sleeve 1, of the epoxy resin insulation plug 2 is provided with a fixing groove 10, an auxiliary heat conduction cushion block 11 is clamped inside the fixing groove 10, one side of the auxiliary heat conduction cushion block 11 is provided with a temperature sensing sensor unit 12, the auxiliary heat conduction cushion block 11 and the temperature sensing sensor unit 12 are fixedly connected through a fixing screw 13, a temperature sensing chip 15 is fixedly installed on the outer surface of the temperature sensing sensor unit 12, and a chip protection cover 14 is fixedly connected to one side inside the fixing groove 10.
Further, a group of installation screw holes 16 are formed in the end face, close to the epoxy resin insulation plug connector 2, of the epoxy resin insulation sleeve 1, two current signal output screw holes 17 are formed in the upper portion, close to one side of the end face of the epoxy resin insulation plug connector 2, of the epoxy resin insulation sleeve 1, two voltage signal output screw holes 18 are formed in the lower portion, close to one side of the end face of the epoxy resin insulation plug connector 2, of the epoxy resin insulation sleeve 1, shielding layer grounding screw holes 19 are formed in the lower portion, close to the other side of the end face of the epoxy resin insulation plug connector 2, the installation screw holes 16 facilitate installation of the wire inlet and outlet sleeve into the switch cabinet body, the current signal output screw holes 17 are designed, current signals are led out conveniently, the voltage signal output screw holes 18 are designed, voltage signals are led out conveniently, the shielding layer grounding screw holes 19 are designed, and grounding of the shielding layer 8 is facilitated.
The working principle is as follows: when epoxy resin is sealed, the epoxy resin is filled in the groove 9 on the epoxy resin insulation plug connector 2 to prevent the electric conductor 4 from being separated from the epoxy resin insulation sleeve 1, the epoxy resin insulation plug connector 2 and the epoxy resin insulation mounting head 3, the annular current coil 6 surrounds the electric conductor 4, a gap is reserved between the inner diameter of the current coil 6 and the electric conductor, the epoxy resin insulation material is conveniently filled between the current coil 6 and the electric conductor 4, the voltage sensor 7 surrounds the electric conductor 4, the epoxy resin insulation material is filled between the voltage sensor 7 and the electric conductor 4 to ensure that insulation exists between the voltage sensor 7 and the electric conductor 4 as well as between the current coil 6 and the shielding layer 8, the shielding layer 8 shields the electric field of the electric conductor 4 to ensure that the electric field is uniform, and the insulation between the cabinet body mounting surface and the electric conductor is ensured, and the electric current coil 6 and the shielding layer 8 are implanted in the epoxy resin insulation sleeve 1, The voltage sensor 7 reduces the using volume of the switch cabinet, realizes the miniaturization of the switch cabinet body and the monitoring of the voltage and the current of a main loop of the switch cabinet, a cylindrical hollow fixing groove 10 is reserved on the end surface of the epoxy resin insulation plug connector 2, the fixing groove 10 aims to conveniently install the temperature sensing sensor unit 12 on the auxiliary heat conducting cushion block 11 and is fixed through a fixing screw 13 to ensure that the temperature sensing sensor unit 12 is tightly contacted with the auxiliary heat conducting cushion block 11, when heat is generated on the end surface of the electric conductor 4, the temperature is transmitted to the temperature sensing sensor unit 12 through the auxiliary heat conducting cushion block 11, the temperature sensing chip 15 transmits a wireless signal, the collector receives the wireless temperature signal and transmits the temperature signal to the background, when the temperature exceeds a specified value, the background alarms, the protection system starts to force the switch cabinet to trip, the system reminds the after-sale service, a chip protection cover 14 is installed in the fixing groove 10, protection temperature sensing chip 15 avoids the striking, designs a set of installation screw 16 on the flange face of epoxy insulating cover 1, makes things convenient for the business turn over line sleeve pipe to install in the cubical switchboard body, designs current signal output screw 17, makes things convenient for the current signal to draw forth, designs voltage signal output screw 18, makes things convenient for the voltage signal to draw forth, designs shielding layer ground connection screw 19, makes things convenient for shielding layer 8 ground connection.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (6)

1. The utility model provides a take temperature monitoring, current monitoring and voltage detection's bushing, includes epoxy insulating cover (1), its characterized in that: one side fixedly connected with insulating bayonet joint of epoxy (2) of insulating cover of epoxy (1), the insulating installation head of opposite side fixedly connected with epoxy (3) of insulating cover of epoxy (1), the inside fixedly connected with of insulating cover of epoxy (1) is columniform electric conductor (4), and the both ends of electric conductor (4) run through insulating bayonet joint of epoxy (2) and insulating installation head of epoxy (3) respectively, the outside of electric conductor (4) has set gradually current coil (6), voltage sensor (7) and shielding layer (8), and current coil (6), voltage sensor (7) and shielding layer (8) all are located the inside of insulating cover of epoxy (1).
2. The bushing according to claim 1, wherein the conductive body (4) has two end faces each having a threaded hole (5), and the epoxy resin insulation mounting head (3) has an end face away from the epoxy resin insulation sleeve (1) having a groove (9).
3. The conductive sleeve with the functions of temperature monitoring, current monitoring and voltage detection as claimed in claim 1, wherein a fixing groove (10) is formed in an end face, away from the epoxy resin insulating sleeve (1), of the epoxy resin insulating plug connector (2), and an auxiliary heat conducting cushion block (11) is clamped inside the fixing groove (10).
4. The bushing of claim 3, wherein a temperature sensor unit (12) is disposed on one side of the auxiliary heat conducting pad (11), the auxiliary heat conducting pad (11) is fixedly connected to the temperature sensor unit (12) by a fixing screw (13), and a temperature sensing chip (15) is fixedly mounted on an outer surface of the temperature sensor unit (12).
5. The bushing of claim 3, wherein a chip protection cover (14) is fixedly connected to one side of the inside of the fixing groove (10).
6. The conductive bushing with the functions of temperature monitoring, current monitoring and voltage detection as claimed in claim 1, wherein a set of installation screw holes (16) is formed in the end surface of the epoxy resin insulating sleeve (1) close to the epoxy resin insulating plug (2), two current signal output screw holes (17) are formed above one side of the epoxy resin insulating sleeve (1) close to the end surface of the epoxy resin insulating plug (2), two voltage signal output screw holes (18) are formed below one side of the epoxy resin insulating sleeve (1) close to the end surface of the epoxy resin insulating plug (2), and a shielding layer grounding screw hole (19) is formed below the other side of the epoxy resin insulating sleeve (1) close to the end surface of the epoxy resin insulating plug (2).
CN202122028455.2U 2021-08-26 2021-08-26 Conductive sleeve with temperature monitoring, current monitoring and voltage detection functions Active CN217133245U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122028455.2U CN217133245U (en) 2021-08-26 2021-08-26 Conductive sleeve with temperature monitoring, current monitoring and voltage detection functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122028455.2U CN217133245U (en) 2021-08-26 2021-08-26 Conductive sleeve with temperature monitoring, current monitoring and voltage detection functions

Publications (1)

Publication Number Publication Date
CN217133245U true CN217133245U (en) 2022-08-05

Family

ID=82615092

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122028455.2U Active CN217133245U (en) 2021-08-26 2021-08-26 Conductive sleeve with temperature monitoring, current monitoring and voltage detection functions

Country Status (1)

Country Link
CN (1) CN217133245U (en)

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Address after: 211161 No. 2 embroidery Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu

Patentee after: Nanjing Switchgear Co.,Ltd.

Address before: 211161 No. 2 embroidery Road, Binjiang Development Zone, Jiangning District, Nanjing, Jiangsu

Patentee before: NANJING SWITCHGEAR FACTORY Co.,Ltd.