A kind of temperature measuring equipment and cable connector of cable connectorTechnical field
The present invention relates to power equipment middle cable connector field of temperature measurement, and in particular to a kind of wireless and passive contact is to electric powerEquipment cable joint inner conductor temperature carries out the temperature measuring equipment and the cable connector including the temperature measuring equipment of real-time monitoring.
Background technology
The security incident of the distribution industry of China's power system is caused by junction point heating in cabinet mostly, therefore, thinkEvade and reduce the generation of accident, to be mainly known a priori by the temperature change and temperature value of contact, however, existing thermometric sideFormula, either active wired contactless or passive wired contact all there are problems that it is such or such, such asBy surrounding enviroment and the interference of electromagnetic field, volume is excessive, rapid wear is easy to break, it is difficult to install complex maintenance, non-refractory insulating properties are poor,False alarm, temperature value are easily produced under high temperature to differ with actual temperature value than larger, change battery, short life etc..
The content of the invention
The technical problem to be solved is for the deficiencies in the prior art, there is provided a kind of thermometric dress of cable connectorPut and cable connector.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of temperature measuring equipment of cable connector, including it is rear stifledLid and temperature measurement sensing equipment, one end of the rear blanking cover is embedded with metal insert, the binding post of the cable connector with it is describedMetal insert is fixedly linked, and the temperature measurement sensing equipment is crimped between the binding post and the metal insert；
The temperature measurement sensing equipment is that SAW temperature sensor or radio frequency identification sensor or the radio frequency by electric field energy power taking are passedSensor.
The invention has the beneficial effects as follows：The present invention by by temperature measurement sensing equipment directly with cable connector inner heat pointContact, the temperature of reaction cable connector inside cable junction point that can be authentic and valid.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, the metal insert in one end closure tubular structure and along the axial arranged of the rear blanking cover, it is describedThe opening end and ft connection of metal insert, the medial wall of the metal insert is provided with helicitic texture, in the metal insertIt is connected with stud；The binding post is fixed on the stud, and nut is connected with the stud, describedTemperature measurement sensing equipment is crimped between the nut of the stud and the metal insert.
Further, blanking cover in the rear is fixed in the tubular structure of rear blanking cover one end closure, the metal insert graftingOpening end, the internal ring side of the rear blanking cover opening end is provided with a ring-shaped step, the ring-shaped step and the metal insertEnd is concordant；The temperature measurement sensing equipment is socketed in by way of interference fit on the stud and its one end is crimped onOn the ring-shaped step and the metal insert, its other end is concordant with the opening end of the rear blanking cover.
It is using the beneficial effect of above-mentioned further scheme：By by temperature measurement sensing equipment be crimped on the ring-shaped step andOn metal insert, make overall fixation more firm；Temperature measurement sensing equipment is connected by the way of interference fit with Double-ended nutIt is integrated, does not increase the difficulty of site operation, and locking is more easily installed.
Further, the position on the outer wall of the rear blanking cover near the other end is provided with circle outer circumferentially.
Further, tubular structure of the rear blanking cover in one end closure, the metal insert grafting is fixed and blocked up in the rearThe opening end of lid, the internal ring side of the rear blanking cover opening end is provided with first annular step, and the metal insert is higher by described firstThe outer rim side of a ring-shaped step part and the part is provided with the second ring-shaped step, the first annular step and the second ring-shaped stepConcordantly, the first annular step and the second ring-shaped step form a cannelure, and the temperature measurement sensing equipment is arranged on the ringIn shape groove；The temperature measurement sensing equipment is socketed in the metal insert by way of interference fit and is higher by described first annularOn the outer wall of a part for rank.
It is using the beneficial effect of above-mentioned further scheme：By the way that temperature measurement sensing equipment is socketed on metal insert, makeObtain temperature transfer more directly quick；Temperature measurement sensing equipment is connected as a single entity by the way of interference fit with metal insert, is not hadIncrease the difficulty of site operation, and locking is more easily installed.
Further, gap is left between the outer rim side of the temperature measurement sensing equipment and the rear blanking cover medial wall.
Further, tubular structure of the rear blanking cover in one end closure, the metal insert grafting is fixed and blocked up in the rearThe opening end of lid and concordant with the opening end；The temperature measurement sensing equipment is socketed in the double end spiral shell by way of interference fitOn bolt and crimp the opening end of blanking cover in the rear.
A kind of cable connector, including sleeve pipe, binding post and the temperature measuring equipment as above that one end blocks, the wiringOne end of terminal is connected with the cable, its other end from the side wall plug-in-sleeve inside of described sleeve pipe and with the metal insertIt is fixedly connected, the binding post is vertical with described sleeve pipe to be fixedly connected；The rear blanking cover is provided with one end of the metal insertFrom in the opening end insertion described sleeve pipe of described sleeve pipe.
Further, also including rear helmet, the rear helmet is socketed in the opening end of described sleeve pipe and coats the opening endFirmly.
Description of the drawings
Fig. 1 is the cross-sectional view one of the rear blanking cover embodiment one of the present embodiment；
Fig. 2 is the cross-sectional view two of the rear blanking cover embodiment one of the present embodiment；
Fig. 3 is the cross-sectional view three of the rear blanking cover embodiment one of the present embodiment；
Fig. 4 is the cross-sectional view one of the rear blanking cover embodiment two of the present embodiment；
Fig. 5 is the cross-sectional view two of the rear blanking cover embodiment two of the present embodiment；
Fig. 6 is the cross-sectional view three of the rear blanking cover embodiment two of the present embodiment；
Fig. 7 is the cross-sectional view four of the rear blanking cover embodiment two of the present embodiment；
Fig. 8 is the cross-sectional view one of the rear blanking cover embodiment three of the present embodiment；
Fig. 9 is the cross-sectional view two of the rear blanking cover embodiment three of the present embodiment；
Figure 10 is the cross-sectional view three of the rear blanking cover embodiment three of the present embodiment；
Figure 11 is the cross-sectional view four of the rear blanking cover embodiment three of the present embodiment；
Figure 12 is the cross-sectional view of the cable connector of the present embodiment.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, rear blanking cover；11st, outer；12nd, ring-shaped step；13rd, first annular step；14th, gap；2nd, temperature measurement sensing equipment；3rd, metal insert；31st, the second ring-shaped step；4th, binding post；5th, stud；51st, nut；6th, sleeve pipe；7th, cable；8th, rear shieldCap.
Specific embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, example is served only for explaining the present invention, andIt is non-for limiting the scope of the present invention.
Embodiment 1
As shown in figure 1, a kind of temperature measuring equipment of cable connector of the present embodiment, including rear blanking cover 1 and temperature measurement sensing equipment2, one end of the rear blanking cover 1 is embedded with metal insert 3, and binding post 4 and the metal insert 3 of the cable connector are fixedIt is connected, the temperature measurement sensing equipment 2 is crimped between the binding post 4 and the metal insert 3；
The temperature measurement sensing equipment 2 is SAW temperature sensor or radio frequency identification sensor or the radio frequency by electric field energy power takingSensor.Radio frequency identification sensor is can be with the sensor of normal work, by electric field power taking in the case of without external voltageRadio frequency sensor must have applied voltage to work, and applied voltage is in more than 2KV.The present embodiment by thermometric by being passedInduction device is directly contacted with cable connector inner heat point, the temperature of reaction cable connector inside cable junction point that can be authentic and validDegree.
As Figure 1-Figure 11, tubular structure of the metal insert 3 of the present embodiment in one end closure and after describedAxial arranged, the opening end and ft connection of the metal insert 3 of blanking cover 1, the medial wall of the metal insert 3 is provided with spiral shellStud 5 is connected with stricture of vagina structure, the metal insert 3；The binding post 4 is fixed on the stud 5, describedNut 51 is connected with stud 5, the temperature measurement sensing equipment is crimped on the nut of the stud and the metal is embeddingBetween part.
As shown in Fig. 1-Figure 12, the temperature measurement sensing equipment 2 of the present embodiment is in a ring and by way of interference fitBe socketed on the stud 5 or the metal insert 3, by temperature measurement sensing equipment by the way of interference fit with rear blanking coverIt is connected as a single entity, does not increase the difficulty of site operation, and locking is more easily installed.
The rear blanking cover of the present embodiment has numerous embodiments, specific as follows：
Embodiment one：As shown in Figure 1-Figure 3, the tubular structure of the one end of described rear blanking cover 1 closure of present embodiment, instituteState the opening end that blanking cover 1 in the rear is fixed in the grafting of metal insert 3, it is annular that the internal ring side of the opening end of rear blanking cover 1 is provided with oneStep 12, the ring-shaped step 12 is concordant with the end of the metal insert 3；The temperature measurement sensing equipment 2 passes through interference fitMode be socketed on the stud 5 and its one end is crimped on the ring-shaped step 12 and the metal insert 3, its is anotherOne end is concordant with the opening end of the rear blanking cover 1.By the way that temperature measurement sensing equipment is crimped on into the ring-shaped step and metal insertOn, make overall fixation more firm.
The described rear blanking cover 1 of present embodiment can be the smooth cylindrical shape of an outer wall, as shown in Figure 1；Can also beAfterwards one circle outer 11 circumferentially is set near the position of the other end on the outer wall of blanking cover 1, as shown in Figure 2；Or rear stifledThe projection that a convenience is plugged manually is set on the end face at the closure end of lid 1, as shown in Figure 3.
Embodiment two：As Figure 4-Figure 7, tubular structure of the described rear blanking cover 1 of the present embodiment in one end closure, instituteThe opening end that blanking cover 1 in the rear is fixed in the grafting of metal insert 3 is stated, the internal ring side of the opening end of rear blanking cover 1 is provided with the first ringShape step 13, the metal insert 3 is higher by the part of the first annular step 13 and the outer rim side of the part is provided with the second ringShape step 31, the first annular step 13 is concordant with the second ring-shaped step 31, and the first annular step 13 and second is annularStep 31 forms a cannelure, and the temperature measurement sensing equipment 2 is arranged in the cannelure；The temperature measurement sensing equipment 2 passes throughThe mode of interference fit is socketed in the metal insert 3 and is higher by the outer wall of a part for the first annular step 13.Pass throughFirst annular step and the second ring-shaped step are set, temperature measurement sensing equipment can be made more to consolidate with the cooperation of metal insert.
Directly crimp between the outer rim side of the temperature measurement sensing equipment 2 of present embodiment and the medial wall of rear blanking cover 1, it is also possible to willGap is left between the outer rim side of the temperature measurement sensing equipment 2 and the medial wall of rear blanking cover 1.
The rear blanking cover 1 of present embodiment can be the smooth cylindrical shape of an outer wall, as shown in Figure 4；Can also be rear stifledOne circle outer 11 circumferentially is set near the position of the other end on the outer wall of lid 1, as shown in Figure 5；Or in rear blanking cover 1The raised or groove that one convenience is plugged manually is set on the end face at closure end, as shown in Figure 4 and Figure 6.
Embodiment three：Tubular structure of the rear blanking cover 1 in one end closure, the grafting of the metal insert 3 is fixed on instituteState the opening end of rear blanking cover 1 and concordant with the opening end；The temperature measurement sensing equipment 2 is socketed in institute by way of interference fitState on stud 5 and crimp the opening end of blanking cover 1 in the rear.
The rear blanking cover 1 of present embodiment can be the smooth cylindrical shape of an outer wall, as shown in Fig. 6 and Fig. 9；Can also beAfterwards one circle outer 11 circumferentially is set near the position of the other end on the outer wall of blanking cover 1, as shown in figure 5 and figure 7；OrAfterwards the raised or groove that a convenience is plugged manually is set on the end face at the closure end of blanking cover 1, as shown in figures s-11.
Embodiment 2
As shown in figure 12, a kind of sleeve pipe 6, the binding post 4 and strictly according to the facts of cable connector of the present embodiment, including one end closureThe temperature measuring equipment described in example 1 is applied, one end of the binding post 4 is connected with the cable, and its other end is from the side of described sleeve pipe 6It is fixedly connected inside wall plug-in-sleeve 6 and with the metal insert 3, the fixed company vertical with described sleeve pipe 6 of the binding post 4Connect；The rear blanking cover 1 is provided with one end of the metal insert 3 from the opening end insertion described sleeve pipe 6 of described sleeve pipe 6.This realityThe cable connector for applying example is installed by taking the rear blanking cover of Fig. 7 as an example.
As shown in figure 12, the cable connector of the present embodiment also includes rear helmet 8, and the rear helmet 8 is socketed in described sleeve pipe 6Opening end and the opening end is enveloped.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention andWithin principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.