CN205453072U - Totally enclosed switchgear cable terminal and temperature measurement system - Google Patents
Totally enclosed switchgear cable terminal and temperature measurement system Download PDFInfo
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- CN205453072U CN205453072U CN201620241016.6U CN201620241016U CN205453072U CN 205453072 U CN205453072 U CN 205453072U CN 201620241016 U CN201620241016 U CN 201620241016U CN 205453072 U CN205453072 U CN 205453072U
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- 238000009529 body temperature measurement Methods 0.000 title abstract 2
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 abstract description 13
- 230000008859 change Effects 0.000 abstract description 3
- 238000004891 communication Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000000031 electric organ Anatomy 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model relates to a totally enclosed switchgear cable terminal and temperature measurement system belongs to the relevant technical field of power equipment. Cable terminal mainly includes the termination body, one side of termination body has the bulge, and the bulge is connected through the fastener with the side cap, and the bulge forms the appearance chamber that is used for holding the wireless and passive sensor with the side cap, install positioning mechanism on the side cap, positioning mechanism is in wireless and passive sensor location hold the intracavity, wherein, wireless and passive sensors monitor cable terminal's temperature signal sends temperature signal to the external world. This device can the efficient among monitoring totally enclosed switchgear cable terminal's temperature change condition to judge whether cable terminal has potential risks, so that in time handle and maintain, can also carry out reuse with convenient dismantlement of wireless and passive sensor before the occurence of failure.
Description
Technical field
This utility model relates to power equipment correlative technology field, specifically, relates to totally enclosed type switchgear cable terminal and temp measuring system.
Background technology
Cable terminal is one of common components and parts of power domain.
Cable terminal with equipment junction point at after assembling, often generate heat because the factors such as construction technology is nonstandard, wire clamp not coupling cause contact resistance relatively big, cause metal to aoxidize, cause increasing further of resistance.If things go on like this, the machinery of joint, insulating properties are gradually lowered the phenomenon even occurring blowing.When keeping in repair, it is necessary to end is removed, the cable terminal the most more renewed.
Infrared measurement of temperature relies primarily on infrared radiation thermometer at present.But after the putting equipment in services such as ring main unit, distribution box and switch cubicle, be inconvenient to open cabinet door because of reasons such as electric, mechanical latchings and carry out cable termination temperature survey, cause the variations in temperature that cannot monitor cable terminal.
In prior art, there is the part research about cable terminal temperature monitoring.Such as: the Chinese patent literature of Application No. 201510258681.6 provides a kind of wireless and passive power cable connector temperature monitoring system.Mainly communicated with SAW temperature sensor by communication by Temperature sampler, and be attached with bus communication supervisor, communication processor is connected with monitoring management machine by bus, and monitoring management machine is connected with an outside Surveillance center by system communication interface.The program by cable terminal being carried out temperature monitoring based on passive wireless sensor, the certain effect reached, it is possible to effectively avoid because of faults such as the unexpected power failures caused.
But this Temperature sampler is mounted in switch cubicle, can not directly monitor the temperature of cable terminal, need to rely on air as calorie spread medium.And switch cubicle the most all has more louvre, having certain ventilation and heat ability, therefore when this device monitoring to information warning, the critical point that actually distance breaks down has been sufficiently close to, so there is more serious information delay.
As another drawback, existing cable terminal, it mostly is fixing and is connected with wireless sourceless sensor, and when cable terminal needs replacing, sensor also can abandon therewith because dismantling, cause waste.
In sum, it is necessary to design a kind of new device, solve the problems referred to above.
Utility model content
The purpose of this utility model is for overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of totally enclosed type switchgear cable terminal.This utility model is by designing brand-new cable termination header structure so that it is can be found in time when occurrence temperature changes.
In order to reach above-mentioned purpose, this utility model adopts the following technical scheme that
A kind of totally enclosed type switchgear cable terminal, including terminals body, the side of described terminals body has protuberance, and protuberance is connected by securing member with side cover, and protuberance and side cover form the cavity volume for accommodating wireless sourceless sensor；
Being provided with detent mechanism on described side cover, wireless sourceless sensor is positioned in described cavity volume by detent mechanism；
Wherein, described wireless sourceless sensor is monitored the temperature signal of cable terminal and is outwardly sent by temperature signal.
Preferably, described detent mechanism includes the depression bar through side cover, and the two ends of depression bar are respectively provided with end cap, is positioned on the depression bar of cavity volume and is cased with spring, and one end of spring is against on end cap, and the other end is against inside side cover.
Preferably, described detent mechanism includes that the nut of bolt and nut lay respectively at the both sides of side cover, the bolt between nut and side cover is cased with spring through the bolt of side cover and the nut that is arranged on bolt.
Preferably, described wireless sourceless sensor includes housing, and the both sides of housing are provided with the locating slot suitable with described detent mechanism.
Preferably, described locating slot also is provided with the positioning element suitable with described locating slot in being two, and described protuberance.
Preferably, described wireless sourceless sensor has electricity generation module, and electricity generation module is that temperature collect module, processing module and wireless transmitter module are powered.
Preferably, described temperature collect module is close to the top of described cavity volume.
While providing organization plan, this utility model additionally provides a kind of method assembling above-mentioned totally enclosed type switchgear cable terminal, mainly comprises the steps:
A, by bolt-through side cover, then put spring, and upper jack panel；
B, side cover is installed on protuberance；
C, fill in wireless sourceless sensor in cavity volume, and make nut or bolt that wireless sourceless sensor is laterally and tightly propped.
As more preferably selecting, this utility model additionally provides a kind of temperature monitoring system, mainly includes wireless sourceless sensor, and wireless sourceless sensor transmits signals to signal receiving module, temperature signal is transferred to host computer by signal receiving module, and host computer transmits signals to display screen and shows；
Wherein, during described wireless sourceless sensor is installed on the cavity volume of above-mentioned totally enclosed type switchgear cable terminal.
In said temperature monitoring system, it is preferred that described host computer also connects with alarm module, for sending the high temperature information warning of cable terminal.
The beneficial effects of the utility model are:
(1) by the improvement to end structure so that it is wireless sourceless sensor can be conveniently loaded.When making end generation oxidation need to change, wireless sourceless sensor can individually be dismantled, and recycling reduces cost greatly.
(2) wireless sourceless sensor is close on end, can directly gather the temperature variations of end, send temperature change signal in time.
(3) wireless sourceless sensor is self-power generation type, it is not necessary to extra power supply, can work long hours.
(4) temperature monitoring system can know the variations in temperature of end in real time, it is simple to staff's on-call maintenance, prevents contingency from occurring.
Accompanying drawing explanation
Fig. 1 is the structural representation of cable terminal in this utility model；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the right view of Fig. 1；
Fig. 4 is the perspective view of Fig. 2；
Fig. 5 is the perspective view of Fig. 3；
Fig. 6 is the principle schematic of wireless sourceless sensor in this utility model；
Fig. 7 is the schematic diagram of temperature monitoring system in this utility model；
In figure: 1, terminals body, 2, protuberance, 3, wireless sourceless sensor, 4, detent mechanism, 5, side cover, 6, fastening bolt, 7, positioning element, 8, spring, 9, puller bolt, 10, temperature collect module, 11, electricity generation module, 12, locating slot, 13, processing module, 14, wireless transmitter module, 15, signal receiving module, 16, host computer, 17, display module, 18, alarm module.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in detail.
Implementing: 1: a kind of totally enclosed type switchgear cable terminal, its structure and principle are with reference to shown in Fig. 1-6.
Including terminals body 1, the side of described terminals body 1 has protuberance 2, terminals body 1 and protuberance 2 and is formed in one structure.Protuberance 2 forms the cavity volume for accommodating wireless sourceless sensor with side cover 5 by fastening bolt 6, protuberance 2 and side cover 5.
Being provided with detent mechanism 4 on described side cover, wireless sourceless sensor 3 is positioned in described cavity volume by detent mechanism 4.
Described detent mechanism 4 includes that puller bolt 9, puller bolt 9, through the through hole on side cover 5, are then connected by screw thread pair with nut.Puller bolt 9 has nuts and shank of bolt, nut and nuts and lays respectively at the left and right sides of side cover 5.On shank of bolt on the left of side cover 5, it is cased with spring 8.One end of spring 8 is against on nut, and the other end is against the inner surface of side cover 5 so that puller bolt 9, under the effect of spring 8, has the trend to left movement all the time.
As another kind of structure, detent mechanism 4 can also be to include the depression bar through side cover, and the two ends of depression bar are respectively provided with end cap, is positioned on the depression bar of cavity volume (on the left of side cover 5) and is cased with spring, one end of spring is against on end cap, and the other end is against inside side cover.Make depression bar under the effect at spring 8, there is the trend to left movement the most all the time.
The structure of above two detent mechanism 4 and principle, be substantially identical.
Described wireless sourceless sensor 3 includes housing, and the both sides of housing are provided with the locating slot 12 suitable with described detent mechanism.According to different needs, locating slot 12 can be square, circular or hexagon.As preferably selecting, locating slot 12 is preferably able to each branch in the both sides of housing one.
Wherein, the inner side of described protuberance, there is positioning element 7, positioning element 7 is for snapping in the locating slot 12 on the left of housing.
Described wireless sourceless sensor 3 has electricity generation module 11, and electricity generation module 11 is that temperature collect module 10, processing module 13 and wireless transmitter module 14 are powered.Electricity generation module 11 can be thin film thermoelectric formula electric organ, induction electric organ or piezoelectric type electric organ.
In order to improve the accuracy of transmission temperature, in the present embodiment, temperature collect module 10 is close to the top of described cavity volume.
While providing new cable header structure scheme, this utility model additionally provides a kind of method assembling above-mentioned totally enclosed type switchgear cable terminal, mainly comprises the steps:
A, puller bolt 9 is run through side cover 5, then put spring 8, and upper jack panel；
B, side cover 5 is assembled with protuberance 2 by fastening bolt 6；
C, pull out puller bolt 9, then fill in wireless sourceless sensor in cavity volume；
D, unclamping puller bolt 9, puller bolt 9 is moved to the left under the left and right of spring 8, then in nut or shank of bolt are pressed in the right positioner groove 12 of wireless sourceless sensor 3, by laterally and tightly propped for wireless sourceless sensor 3.
Embodiment 2: a kind of temperature monitoring system, this temperature monitoring system is as shown in Figure 7, including signal receiving module 15, wireless receiving that wireless sourceless sensor 3 in embodiment 1 is sent by signal receiving module 15 is also transferred to host computer 16, signal processing relief display module 17 is shown by host computer 16, if temperature exceedes setting value, make alarm module 18 send sound and light alarm signal, point out the timely maintenance and inspection of staff.
Wherein, wireless sourceless sensor 3 is installed in the cable terminal shown in embodiment 1.
After have employed said structure, this device can monitor the temperature variations of cable terminal in totally enclosed type switchgear efficiently, thus judge whether cable terminal has potential risks, so that processing in time before accident occurs and safeguarding, additionally it is possible to facilitate dismounting to reuse wireless sourceless sensor.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.Multiple amendment to embodiment will be apparent from for those skilled in the art, generic principles defined herein can be in the case of without departing from spirit or scope of the present utility model, realize in other embodiments, it is not described in detail the part presented with partial enlargement, for prior art, do not repeat at this.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and feature.
Claims (8)
1. a totally enclosed type switchgear cable terminal, including terminals body, it is characterised in that the side of described terminals body has protuberance, protuberance is connected by securing member with side cover, and protuberance and side cover form the cavity volume for accommodating wireless sourceless sensor；
Being provided with detent mechanism on described side cover, wireless sourceless sensor is positioned in described cavity volume by detent mechanism；
Wherein, described wireless sourceless sensor is monitored the temperature signal of cable terminal and is outwardly sent by temperature signal.
Totally enclosed type switchgear cable terminal the most according to claim 1, it is characterized in that, described detent mechanism includes the depression bar through side cover, the two ends of depression bar are respectively provided with end cap, it is positioned on the depression bar of cavity volume and is cased with spring, one end of spring is against on end cap, and the other end is against inside side cover.
Totally enclosed type switchgear cable terminal the most according to claim 1, it is characterized in that, described detent mechanism includes that the nut of bolt and nut lay respectively at the both sides of side cover, the bolt between nut and side cover is cased with spring through the bolt of side cover and the nut that is arranged on bolt.
Totally enclosed type switchgear cable terminal the most according to claim 1, it is characterised in that described wireless sourceless sensor includes housing, the both sides of housing are provided with the locating slot suitable with described detent mechanism.
Totally enclosed type switchgear cable terminal the most according to claim 4, it is characterised in that described locating slot is also to be provided with the positioning element suitable with described locating slot in two, and described protuberance.
Totally enclosed type switchgear cable terminal the most according to claim 1, it is characterised in that described wireless sourceless sensor has electricity generation module, electricity generation module is that temperature collect module, processing module and wireless transmitter module are powered.
Totally enclosed type switchgear cable terminal the most according to claim 6, it is characterised in that described temperature collect module is close to the top of described cavity volume.
8. a temp measuring system, it is characterised in that include that wireless sourceless sensor, wireless sourceless sensor transmit signals to signal receiving module, temperature signal is transferred to host computer by signal receiving module, and host computer transmits signals to display screen and shows；
Wherein, during described wireless sourceless sensor is installed on the cavity volume of the totally enclosed type switchgear cable terminal described in any one of claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241016.6U CN205453072U (en) | 2016-03-25 | 2016-03-25 | Totally enclosed switchgear cable terminal and temperature measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241016.6U CN205453072U (en) | 2016-03-25 | 2016-03-25 | Totally enclosed switchgear cable terminal and temperature measurement system |
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| Publication Number | Publication Date |
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| CN205453072U true CN205453072U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620241016.6U Active CN205453072U (en) | 2016-03-25 | 2016-03-25 | Totally enclosed switchgear cable terminal and temperature measurement system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703315A (en) * | 2016-03-25 | 2016-06-22 | 国网山东省电力公司济宁供电公司 | Cable terminal for totally enclosed switch equipment, assembly method and temperature measurement system |
| EP3933361A1 (en) * | 2020-06-29 | 2022-01-05 | ABB Schweiz AG | Arrangement and method for measuring temperature of cable connection terminal of electric drive |
-
2016
- 2016-03-25 CN CN201620241016.6U patent/CN205453072U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105703315A (en) * | 2016-03-25 | 2016-06-22 | 国网山东省电力公司济宁供电公司 | Cable terminal for totally enclosed switch equipment, assembly method and temperature measurement system |
| EP3933361A1 (en) * | 2020-06-29 | 2022-01-05 | ABB Schweiz AG | Arrangement and method for measuring temperature of cable connection terminal of electric drive |
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| GR01 | Patent grant |