High and medium voltage cable terminal with wireless passive temperature measurement sensor and temperature display device

Abstract

The utility model relates to a high and medium voltage cable terminal head with a wireless passive temperature measurement sensor and a temperature display device, and the high and medium voltage cable terminal head with the wireless passive temperature measurement sensor is characterized in that a connector is installed at the top end of a cable end, and the top end of the connector is provided with three connecting wires; the top ends of the connecting lines are provided with cold shrink cable terminals, the top ends of the cold shrink cable terminals are provided with rubber tubes, the inner surfaces of the rubber tubes are provided with mounting rings, and the inner surfaces of the mounting rings are provided with a plurality of mounting ports; a wireless passive temperature measurement sensor is arranged in each mounting opening through a connecting ring, and the wireless passive temperature measurement sensors are arranged on the outer surface of the battery cell. According to the utility model, the temperature of the cable terminal head can be monitored in real time by using the wireless passive temperature measurement sensor, and the temperature can be displayed in real time through the display, so that the difficulty of monitoring the temperature of the cable terminal head is reduced, and the safety is also improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable terminal head technical field especially relates to a kind of high, medium voltage cable terminal head and temperature display device of wireless passive temperature measurement sensor with. BACKGROUND

[0002] Cable terminal head integrates waterproof, stress control, shielding, insulation, with good electrical performance and mechanical performance, can be used in various harsh environmental conditions for long time, with light weight, easy installation and other advantages.

[0003] Cable terminal head is mainly composed of elastomer material, such as silicone rubber and ethylene-propylene rubber, these materials are injected and vulcanized in factory, and are expanded and lined with plastic spiral support, to form various cable accessory components, in order to know the stability of cable terminal head in time, cable tail sensor or handheld infrared temperature measurement is needed.

[0004] Cable terminal head is generally copper nose contact surface heating or cable terminal head heating, cable tail sensor installation will cause distance cable root copper nose contact surface far, measurement temperature deviation is more, handheld type cannot continuously measure temperature of cable and other shortcomings.

[0005] Therefore, it is necessary to provide a kind of high, medium voltage cable terminal head and temperature display device of wireless passive temperature measurement sensor with to solve the above technical problems. SUMMARY

[0006] The utility model provides a kind of high, medium voltage cable terminal head and temperature display device of wireless passive temperature measurement sensor with, solve the problem that cable tail sensor installation will cause distance cable root copper nose contact surface far, measurement temperature deviation is more and handheld type cannot continuously measure temperature of cable and other shortcomings.

[0007] To solve the above technical problems, the high, medium voltage cable terminal head of wireless passive temperature measurement sensor provided by the utility model comprises:

[0008] Connecting head, the connecting head is installed at the top end of cable end head, the top end of the connecting head is provided with three connecting lines, the top end of the connecting line is provided with cold shrink cable terminal, the top end of the cold shrink cable terminal is provided with rubber tube, the inner surface of the rubber tube is provided with mounting ring, the inner surface of the mounting ring is provided with a plurality of mounting ports, the inside of the mounting port is provided with wireless passive temperature measurement sensor through connecting ring, the wireless passive temperature measurement sensor is arranged on the outer surface of battery core, the outer surface of the rubber tube is provided with protective ring;

[0009] Protective ring, the protective ring is arranged on the outer surface of rubber tube, the top end of the battery core is provided with butt joint through mounting head;

[0010] The wireless passive temperature sensor is connected by a connecting ring, the wireless passive temperature sensor is installed inside the installation port, the electric core is through the whole cable terminal, the structure on the cable terminal forms the cable terminal, the composition inside the cable terminal is the same as the existing cable terminal, and only the wireless passive temperature sensor is placed into the rubber pipe wall of the high-voltage and medium-voltage cable terminal during production of the cable terminal.

[0011] Preferably, the outer surface of the cold shrink cable terminal is provided with an annular sleeve, and the outer surface of the installation head is provided with a cold shrink sealing pipe;

[0012] The cold shrink sealing pipe seals the connection on the connecting line, and the shape of the annular sleeve is Figure 1 .

[0013] A temperature display device for receiving wireless signals from the high-voltage and medium-voltage cable terminal with a wireless passive temperature sensor, comprising: a protective shell, the inside of the protective shell is provided with a display, the top of the protective shell is provided with a through hole, the top of the display is provided with a fixing head, and the top end of the fixing head is provided with a signal receiving antenna through a threaded head;

[0014] The display is inserted into the inside of the protective shell from the front of the protective shell, the protective shell is a certain toughness of rubber material, and the signal receiving antenna can receive the wireless signal transmitted after the wireless passive temperature sensor monitors the temperature.

[0015] Preferably, the back of the protective shell is fixedly connected with a rotating bolt, one end of the back of the rotating bolt is rotatably connected with a rotating buckle, and the back of the protective shell is respectively provided with a first magnetic attraction group and a second magnetic attraction group;

[0016] The positions of the first magnetic attraction group and the second magnetic attraction group are as shown in Figure 5 The first magnetic attraction group and the second magnetic attraction group are both composed of two magnetic magnets.

[0017] Preferably, one end of the back of the rotating buckle is fixedly connected with a placing plate, and the back of the placing plate is respectively provided with a palm ring and a thumb ring;

[0018] The palm ring and the thumb ring are convenient for inserting the palm and the thumb.

[0019] Preferably, the back of the placing plate is provided with a fixing frame near the bottom, the inside of the fixing frame is rotatably connected with a supporting rod through a rotating head, and the other end of the supporting rod is fixedly connected with a pushing block;

[0020] The rotating head and the fixing frame are also provided with a certain resistance at the connecting position, and the supporting rod is retracted into the inside of the fixing frame when not in use.

[0021] Compared with the related art, the high and medium voltage cable terminal head with the wireless passive temperature measurement sensor has the following beneficial effects:

[0022] The utility model provides a kind of high, medium voltage cable terminal head with wireless passive temperature measurement sensor and temperature display device, to facilitate the temperature of cable terminal head is monitored, install three connecting wires on cable end head by connector, cold shrink cable terminal is then installed in the other end of connecting wire, and wireless passive temperature measurement sensor is installed on the outer surface of electric core by rubber tube in the other end of cold shrink cable terminal, let it and electric core outer surface adhere, then butt joint is connected by mounting head and electric core and is sealed with cold shrink sealing tube, in actual operation, wireless passive temperature measurement sensor is placed into the rubber tube of high, medium voltage cable terminal head during cable terminal head production, when cable terminal head is installed on cable, after equipment load starts, wireless passive temperature measurement sensor starts temperature signal transmission, cable head temperature is monitored in real time, cooperate display to realize the rapid upload and in-depth analysis of data, can better guarantee the safety and reliability of more complex power equipment and entire distribution system, prevent the occurrence of electrical fire risk caused by temperature rise anomaly, and wireless passive temperature measurement sensor uses CT induction power, and inductive power can provide stable working voltage for sensor without interruption to become the principle of power supply, by the design, wireless passive temperature measurement sensor can be used to monitor the temperature of cable terminal head in real time, and real-time display is realized through display, reduce the difficulty of cable terminal head temperature monitoring, also increase safety. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the structural schematic diagram of the first embodiment of the high, medium voltage cable terminal head with wireless passive temperature measurement sensor provided by the utility model;

[0024] Figure 2 It is the structural schematic diagram of installation port provided by the utility model;

[0025] Figure 3 It is the structural schematic diagram of temperature display device provided by the utility model;

[0026] Figure 4 It is the structural schematic diagram of temperature display device provided by the utility model Figure 3 It is the enlarged view of A shown in the figure;

[0027] Figure 5 It is the structural schematic diagram of the second embodiment of temperature display device provided by the utility model;

[0028] Figure 6 It is the structural schematic diagram of palm ring provided by the utility model.

[0029] The figure mark: 1, cable end, 2, connecting head, 3, connecting line, 4, cold shrink cable terminal, 5, annular disc, 6, protective ring, 7, rubber tube, 8, mounting head, 9, butt joint, 10, cold shrink sealing tube, 11, mounting port, 12, mounting ring, 13, wireless passive temperature measurement sensor, 14, connecting ring, 15, battery cell, 16, display, 17, protective shell, 18, signal receiving antenna, 19, threaded head, 20, through port, 21, fixed head, 22, first magnetic attraction group, 23, rotating buckle, 24, rotating bolt, 25, second magnetic attraction group, 26, placing plate, 27, fixed frame, 28, rotating head, 29, support rod, 30, push block, 31, palm ring, 32, thumb ring. DETAILED DESCRIPTION

[0030] The utility model will be further described below in combination with the drawings and embodiments.

[0031] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 Among them, Figure 1 It is the structure schematic diagram of the first embodiment of high voltage and medium voltage cable terminal head with wireless passive temperature measurement sensor provided by the utility model; Figure 2 It is the structure schematic diagram of the mounting port provided by the utility model; Figure 3 It is the structure schematic diagram of temperature display device with wireless passive temperature measurement sensor provided by the utility model; Figure 4 It is the enlarged view of A shown in Figure 3 The high voltage and medium voltage cable terminal head with wireless passive temperature measurement sensor and temperature display device include: cable end 1;

[0032] Connecting head 2 is installed at the top end of cable end 1, the top end of connecting head 2 is provided with three connecting lines 3, the top end of connecting line 3 is provided with cold shrink cable terminal 4, the top end of cold shrink cable terminal 4 is provided with rubber tube 7, the inner surface of rubber tube 7 is provided with mounting ring 12, the inner surface of mounting ring 12 is provided with multiple mounting ports 11, wireless passive temperature measurement sensor 13 is arranged in connecting ring 14 in the inside of mounting port 11, wireless passive temperature measurement sensor 13 is arranged on the outer surface of battery cell 15, the outer surface of rubber tube 7 is provided with protective ring 6;

[0033] Protective ring 6 is arranged on the outer surface of rubber tube 7, the top end of battery cell 15 is provided with butt joint 9 through mounting head 8;

[0034] Wireless passive temperature sensor 13 is connected through connecting ring 14, wireless passive temperature sensor 13 is installed in the inside of mounting port 11, and the electric core is through the whole cable terminal head, the structure on cable terminal head 1 is composed of cable terminal head, and the inside composition of cable terminal head is the same as that of the existing cable terminal head, only wireless passive temperature sensor 13 is placed into the wall of rubber tube 7 in high-voltage and medium-voltage cable terminal head during production of cable terminal head, and protective ring 6 can play a certain protection effect on the outer surface of rubber tube 7.

[0035] The outer surface of the cold shrink cable terminal 4 is provided with an annular sleeve 5, and the outer surface of the mounting head 8 is provided with a cold shrink sealing tube 10;

[0036] The cold shrink sealing tube 10 seals the connection on the connecting wire 3, and the shape of the annular sleeve 5 is as shown in the reference Figure 1 .

[0037] A temperature display device for receiving wireless signals transmitted by the high-voltage and medium-voltage cable terminal head with wireless passive temperature sensor, comprising: a protective shell 17, the inside of the protective shell 17 is provided with a display 16, the top of the protective shell 17 is provided with a through hole 20, the top of the display 16 is provided with a fixed head 21, and the top end of the fixed head 21 is provided with a signal receiving antenna 18 through a threaded head 19;

[0038] The front of the protective shell 17 is open, the display 16 is clamped into the inside of the protective shell 17 from the front of the protective shell 17, the protective shell 17 is a certain toughness rubber material, the signal receiving antenna 18 can receive the wireless signal transmitted by the wireless passive temperature sensor 13 after monitoring the temperature, so that the monitored temperature can be displayed through the display 16.

[0039] The working principle of the high-voltage and medium-voltage cable terminal head with wireless passive temperature sensor and the temperature display device provided by the utility model is as follows:

[0040] The three connecting lines 3 are installed on the cable end head 1 through the connecting heads 2, then the cold shrink cable terminal 4 is installed on the other end of the connecting line 3, and the wireless passive temperature measuring sensor 13 is installed on the outer surface of the electric core 15 through the rubber pipe 7 at the other end of the cold shrink cable terminal 4, and is attached to the outer surface of the electric core 15, then the butt joint 9 is connected with the electric core 15 through the mounting head 8 and is sealed by the cold shrink sealing pipe 10, in actual operation, the wireless passive temperature measuring sensor 13 is placed into the rubber pipe 7 of the high-voltage and medium-voltage cable terminal head during the production of the cable terminal head, when the cable terminal head is installed on the cable, the wireless passive temperature measuring sensor 13 starts to transmit the temperature signal after the equipment load is started, the temperature of the cable head is monitored in real time, the data is uploaded quickly and analyzed deeply by cooperating with the display 16, the safety and reliability of the more complex power equipment and the entire power distribution system can be better guaranteed, the risk of electrical fire caused by abnormal temperature rise is prevented, and the wireless passive temperature measuring sensor 13 adopts CT induction power supply, and the inductive power supply can provide stable working voltage for the sensor to become the principle of power supply.

[0041] Compared with the related art, the high-voltage and medium-voltage cable terminal head with the wireless passive temperature measuring sensor and the temperature display device have the following beneficial effects:

[0042] In order to facilitate the temperature monitoring of the cable terminal head, the three connecting lines 3 are installed on the cable end head 1 through the connecting heads 2, then the cold shrink cable terminal 4 is installed on the other end of the connecting line 3, and the wireless passive temperature measuring sensor 13 is installed on the outer surface of the electric core 15 through the rubber pipe 7 at the other end of the cold shrink cable terminal 4, and is attached to the outer surface of the electric core 15, then the butt joint 9 is connected with the electric core 15 through the mounting head 8 and is sealed by the cold shrink sealing pipe 10, in actual operation, the wireless passive temperature measuring sensor 13 is placed into the rubber pipe 7 of the high-voltage and medium-voltage cable terminal head during the production of the cable terminal head, when the cable terminal head is installed on the cable, the wireless passive temperature measuring sensor 13 starts to transmit the temperature signal after the equipment load is started, the temperature of the cable head is monitored in real time, the data is uploaded quickly and analyzed deeply by cooperating with the display 16, the safety and reliability of the more complex power equipment and the entire power distribution system can be better guaranteed, the risk of electrical fire caused by abnormal temperature rise is prevented, and the wireless passive temperature measuring sensor 13 adopts CT induction power supply, and the inductive power supply can provide stable working voltage for the sensor to become the principle of power supply, through the design, the wireless passive temperature measuring sensor 13 can be used to monitor the temperature of the cable terminal head in real time, and the temperature is displayed in real time through the display 16, the difficulty of monitoring the temperature of the cable terminal head is reduced, and the safety is improved.

[0043] Second embodiment

[0044] Please refer toFigures 5-6 , Figure 5 The utility model provides a structure schematic drawing of the second embodiment of the temperature display device with wireless passive temperature measurement sensor temperature display device is provided for the utility model, Figure 6 The structure schematic drawing of the palm ring is provided, the high voltage and medium voltage cable terminal head and temperature display device with wireless passive temperature measurement sensor provided by the first embodiment of the utility model, the second embodiment of the utility model proposes another kind of high voltage and medium voltage cable terminal head and temperature display device with wireless passive temperature measurement sensor. The second embodiment is only the preferred mode of the first embodiment, and the implementation of the second embodiment does not affect the separate implementation of the first embodiment.

[0045] Specifically, the high voltage and medium voltage cable terminal head and temperature display device with wireless passive temperature measurement sensor provided by the second embodiment of the utility model is different from the first embodiment in that the back surface of the protective shell 17 is fixedly connected with a rotating bolt 24, one end of the back surface of the rotating bolt 24 is rotatably connected with a rotating buckle 23, and the back surface of the protective shell 17 is respectively provided with a first magnetic attraction group 22 and a second magnetic attraction group 25.

[0046] Position reference of the first magnetic attraction group 22 and the second magnetic attraction group 25 Figure 5 The first magnetic attraction group 22 and the second magnetic attraction group 25 are both composed of two magnets that attract each other, and the rotating bolt 24 on the rotating buckle 23 rotates with a certain resistance.

[0047] One end of the back surface of the rotating buckle 23 is fixedly connected with a placing plate 26, and the back surface of the placing plate 26 is respectively provided with a palm ring 31 and a thumb ring 32.

[0048] The palm ring 31 and the thumb ring 32 are convenient for inserting the palm and the thumb, and increase the stability of the display 16 on the protective shell 17 in operation on the palm.

[0049] A fixed frame 27 is mounted on the back surface of the placing plate 26 close to the bottom, a supporting rod 29 is rotatably connected with the fixed frame 27 through a rotating head 28, and the other end of the supporting rod 29 is fixedly connected with a pushing block 30.

[0050] The connecting part of the rotating head 28 and the fixed frame 27 also has a certain resistance, and the supporting rod 29 is retracted into the inside of the fixed frame 27 when not in use, and is expanded when in use, so that the protective shell 17 can stand to form an angle convenient for viewing, and the structure on the fixed frame 27 is similar to a mobile phone support.

[0051] Compared with the related art, the high voltage and medium voltage cable terminal head and temperature display device with wireless passive temperature measurement sensor has the following beneficial effects:

[0052] For the convenience of the staff holding the display 16 in the stability and safety when observing the display content, a placing plate 26 is installed on the back of the protective shell 17 of the display 16 through a rotating bolt 24 and a rotating buckle 23, and a first magnetic attraction group 22 and a second magnetic attraction group 25 are respectively installed between the placing plate 26 and the protective shell 17, so that the protective shell 17 can be accurately positioned after adjusting the angle left and right, and a palm ring 31 and a thumb ring 32 that allow the palm and the thumb to be inserted are installed on the back of the placing plate 26, and after a fixed frame 27 is installed on the back of the placing plate 26, a support rod 29 is installed in the inside of the fixed frame 27 through a rotating head 28, in actual use, the palm of the staff is inserted into the inside of the palm ring 31, and the thumb is inserted into the inside of the thumb ring 32, so that the placing plate 26 can be buckled on the hand, so that the display 16 on the protective shell 17 can be stably used on the hand, when the angle needs to be adjusted, only the first magnetic attraction group 22 and the second magnetic attraction group 25 of the protective shell 17 are separated by rotating, and after adjusting ninety degrees, the first magnetic attraction group 22 and the second magnetic attraction group 25 are attracted, so that the protective shell 17 with the adjusted position can be limited, when the reset is needed, the first magnetic attraction group 22 and the second magnetic attraction group 25 are respectively attracted by rotating in the opposite direction, through the structure, the safety of the display 16 operated on the hand of the staff is increased to avoid falling, and at the same time, the angle can be adjusted according to the demand, after adjusting, the stability is increased by the attraction of the first magnetic attraction group 22 and the second magnetic attraction group 25, and the staff is convenient to operate.

[0053] The above is only the embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A high- and medium-voltage cable termination with a wireless passive temperature sensor, characterized in that, include: Cable termination; The connector is installed at the top of the cable end. Three connecting wires are provided at the top of the connector, and each connecting wire has a cold-shrink cable terminal at its top. Each cold-shrink cable terminal has a rubber tube at its top. An installation ring is formed on the inner surface of each rubber tube, and multiple installation ports are formed on the inner surface of each installation ring. A wireless passive temperature sensor is installed inside each installation port via a connecting ring. The wireless passive temperature sensor is located on the outer surface of the battery cell, and a protective ring is provided on the outer surface of the rubber tube. A protective ring is provided on the outer surface of the rubber tube, and a connector is installed at the top of each battery cell via an installation head.

2. The high- and medium-voltage cable termination with a wireless passive temperature sensor as described in claim 1, characterized in that, The outer surface of the cold-shrink cable terminal is provided with an annular sleeve, and the outer surface of the mounting head is provided with a cold-shrink sealing tube.

3. A temperature display device for receiving wireless signals transmitted from a high- or medium-voltage cable termination with a wireless passive temperature sensor as described in claim 1 or claim 2, characterized in that, include: A protective shell is provided, inside which a display is installed. The top of the protective shell has an opening, and the top of the display has a fixing head. A signal receiving antenna is installed at the top of the fixing head through a threaded end.

4. The temperature display device according to claim 3, characterized in that, A rotating bolt is fixedly connected to the back of the protective shell, and a rotating buckle is rotatably connected to one end of the back of the rotating bolt. A first magnetic suction group and a second magnetic suction group are respectively installed on the back of the protective shell.

5. The temperature display device according to claim 4, characterized in that, A placement plate is fixedly connected to one end of the back of the rotating buckle, and a palm ring and a thumb ring are respectively installed on the back of the placement plate.

6. The temperature display device according to claim 5, characterized in that, A fixing frame is installed on the back of the placement plate near the bottom. A support rod is rotatably connected inside the fixing frame via a rotating head. A lever is fixedly connected to the other end of the support rod.

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