CN211651992U - Testing device for sealing performance of cable sheath - Google Patents

Testing device for sealing performance of cable sheath Download PDF

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Publication number
CN211651992U
CN211651992U CN202020572604.4U CN202020572604U CN211651992U CN 211651992 U CN211651992 U CN 211651992U CN 202020572604 U CN202020572604 U CN 202020572604U CN 211651992 U CN211651992 U CN 211651992U
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cable
lead
tested cable
container
conductive liquid
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CN202020572604.4U
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Chinese (zh)
Inventor
张力新
张勇
朱向娜
郭小丹
冯宪奎
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Huizhong Instrumentation Co ltd
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Huizhong Instrumentation Co ltd
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Abstract

The utility model relates to a testing arrangement of cable sheath sealing performance belongs to supersound instrument cable sheath capability test technical field. The technical scheme is as follows: the container (3) is an open container, and conductive liquid is arranged in the container; the tested cable (2) is arranged in the container and soaked in the conductive liquid, and one end of the tested cable (2) is positioned outside the container and is connected with the universal meter (1); the other end of the tested cable (2) is suspended outside the container or is placed in the conductive liquid after being insulated and sealed; one end of the lead (5) is soaked in the conductive liquid, and the other end of the lead is connected with the universal meter (1). The utility model discloses use common universal meter to accomplish by the test of survey cable sealing performance, simple and practical does not need special depressor, can conveniently judge the sealing performance of supersound instrument cable sheath, and is easy and simple to handle, efficient.

Description

Testing device for sealing performance of cable sheath
Technical Field
The utility model relates to a testing arrangement of cable sheath sealing performance belongs to supersound instrument cable sheath capability test technical field.
Background
The sealing properties of the cable jacket need to be tested to ensure proper use of the cable. At present, the general cable sheath tightness test method is that the middle section of a cable is placed in a water tank of a pressurizer, two ends of the cable penetrate out of a sealing hole of the pressurizer, after the pressurizer is pressurized by 3 MPa, if water in the pressurizer seeps out from the sheaths at the two ends of the cable, the cable sheath tightness is judged to be unqualified. However, in the technical field of ultrasonic instruments and the like, because the cable is arranged in the ultrasonic instrument, the cable is not required to bear 3 mpa pressure to avoid leakage when the performance of a cable sheath is tested, and only the cable is required to have no leakage under the normal pressure state; in addition, the sealing performance of the cable sheath of the ultrasonic instrument is detected by using the pressure device, the operation is complex, and the efficiency is low. Therefore, a need exists in the art for a device that does not use a pressing device to perform ultrasonic meter cable sheath performance testing techniques.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cable sheath sealing performance's testing arrangement is applicable to supersound instrument cable sheath capability test, does not need the special depressor of beating, can conveniently judge the sealing performance of supersound instrument cable sheath moreover, and is easy and simple to handle, efficient, solves the above-mentioned problem that exists among the background art.
The technical scheme of the utility model is that:
a testing device for the sealing performance of a cable sheath comprises a universal meter, a tested cable, a container, conductive liquid and a lead wire, wherein the tested cable is a cable for an ultrasonic instrument, the container is an open container, and the conductive liquid is arranged in the container; the tested cable is arranged in the container and soaked in the conductive liquid, and one end of the tested cable is positioned outside the container and connected with a universal meter; the other end of the tested cable is suspended outside the container or is placed in the conductive liquid after being insulated and sealed; one end of the lead is soaked in the conductive liquid, and the other end of the lead is connected with a multimeter.
The conductive liquid is saturated saline.
One end of the tested cable is a first exposed end of the tested cable, and the other end of the tested cable is a second exposed end of the tested cable; one end of the lead is a lead exposed end I, and the other end of the lead is a lead exposed end II; the universal meter is provided with two meter pens, namely a universal meter pen I and a universal meter pen II; the first multimeter pen is connected with the first exposed end of the tested cable, the second multimeter pen is connected with the first exposed end of the lead wire, the second exposed end of the tested cable is suspended outside the container, and the second exposed end of the lead wire is soaked in the conductive liquid.
One end of the tested cable is a first exposed end of the tested cable, and the other end of the tested cable is a sealed end of the tested cable; one end of the lead is a lead exposed end I, and the other end of the lead is a lead exposed end II; the universal meter is provided with two meter pens, namely a universal meter pen I and a universal meter pen II; the first multimeter pen is connected with the first exposed end of the tested cable, the second multimeter pen is connected with the first exposed end of the lead wire, the sealed end of the tested cable is insulated and sealed by sealant and then is soaked in the conductive liquid, and the second exposed end of the lead wire is soaked in the conductive liquid.
The cable to be tested is a cable for an ultrasonic instrument, conductive liquid is added into the open container, and the middle section of the cable to be tested is soaked in the conductive liquid in the container, so that the conductive liquid can be ensured to fully enter a gap possibly existing on the cable sheath to be tested; in the process, the two ends of the tested cable are ensured not to be communicated with the conductive liquid, so that the conductive liquid cannot enter the inside of the sheath of the tested cable through the two ends of the tested cable; measuring the resistance value between the inner conductor of the tested cable and the conductive liquid in the container, and judging the sealing performance of the sheath of the tested cable according to the resistance value; the larger the value of the resistance value is, the better the sealing performance of the cable sheath to be detected is; and if the value of the resistance value is smaller than the set standard value, the sealing performance of the tested cable sheath is unqualified.
A lead is placed in the conductive liquid, a universal meter is used for measuring the resistance value between the lead and one end of the tested cable, and the sealing performance of the sheath of the tested cable is judged according to the resistance value; the larger the value of the resistance value is, the better the sealing performance of the cable sheath to be detected is; and if the value of the resistance value is smaller than the set standard value, the sealing performance of the tested cable sheath is unqualified.
One end of the tested cable is positioned outside the container and is connected with a universal meter; the other end of the tested cable is suspended outside the container or is placed in the conductive liquid after being insulated and sealed; one end of the lead is soaked in the conductive liquid, and the other end of the lead is connected with a multimeter.
The utility model discloses an actively the effect: the device is suitable for testing the performance of the cable sheath of the ultrasonic instrument, the common multimeter is used for testing the sealing performance of the tested cable, the whole device and the operation process are simple and practical, a special pressure device is not needed, the sealing performance of the cable sheath of the ultrasonic instrument can be conveniently judged, and the device is simple and convenient to operate and high in efficiency.
Drawings
Fig. 1 is a schematic view of an embodiment of the present invention;
FIG. 2 is a schematic view of a second embodiment of the present invention;
in the figure: the universal meter comprises a universal meter 1, a tested cable 2, a container 3, a conductive liquid 4, a lead 5, a first universal meter pen 6, a second universal meter pen 7, a first exposed end 8 of the tested cable, a second exposed end 9 of the tested cable, a first exposed end 10 of the lead, a second exposed end 11 of the lead and a sealed end 12 of the tested cable.
Detailed Description
The invention is further described with reference to the following figures and examples:
a testing device for the sealing performance of a cable sheath comprises a universal meter 1, a tested cable 2, a container 3, conductive liquid 4 and a lead 5, wherein the tested cable is a cable for an ultrasonic instrument, the container 3 is an open container, and the conductive liquid is arranged in the container; the tested cable 2 is arranged in the container and soaked in the conductive liquid, and one end of the tested cable 2 is positioned outside the container and connected with the universal meter 1; the other end of the tested cable 2 is suspended outside the container or is placed in the conductive liquid after being insulated and sealed; one end of the lead 5 is soaked in the conductive liquid, and the other end is connected with the multimeter 1.
The conductive liquid 4 is saturated saline.
One end of the tested cable 2 is a first exposed end 8 of the tested cable, and the other end of the tested cable is a second exposed end 9 of the tested cable; one end of the lead is a lead exposed end I10, and the other end of the lead is a lead exposed end II 11; the universal meter is provided with two meter pens, namely a first universal meter pen 6 and a second universal meter pen 7; the first multimeter pen 6 is connected with the first exposed end 8 of the tested cable, the second multimeter pen 7 is connected with the first exposed end 10 of the lead wire, the second exposed end 9 of the tested cable is suspended outside the container, and the second exposed end 11 of the lead wire is soaked in the conductive liquid 4.
One end of the tested cable 2 is a tested cable exposed end I8, and the other end of the tested cable 2 is a tested cable sealing end 12; one end of the lead is a lead exposed end I10, and the other end of the lead is a lead exposed end II 11; the universal meter is provided with two meter pens, namely a first universal meter pen 6 and a second universal meter pen 7; the first multimeter pen 6 is connected with the first exposed end 8 of the tested cable, the second multimeter pen 7 is connected with the first exposed end 10 of the lead wire, the sealed end 12 of the tested cable is insulated and sealed by sealant and then soaked in the conductive liquid 4, and the second exposed end 11 of the lead wire is soaked in the conductive liquid 4.
The cable to be tested is a cable for an ultrasonic instrument, the conductive liquid 4 is added into the open container 3, and the middle section of the cable 2 to be tested is soaked in the conductive liquid in the container, so that the conductive liquid can be ensured to fully enter a gap possibly existing on a sheath of the cable 2 to be tested; in the process, the two ends of the tested cable 2 are ensured not to be communicated with the conductive liquid 4, so that the conductive liquid 4 cannot enter the inside of the sheath of the tested cable through the two ends of the tested cable 2; measuring the resistance value between the inner conductor of the tested cable 2 and the conductive liquid 4 in the container, and judging the sealing performance of the sheath of the tested cable according to the resistance value; the larger the value of the resistance value is, the better the sealing performance of the cable sheath to be detected is; and if the value of the resistance value is smaller than the set standard value, the sealing performance of the tested cable sheath is unqualified.
A lead 5 is placed in the conductive liquid, a universal meter 1 is used for measuring the resistance value between the lead 5 and one end of the tested cable 2, and the sealing performance of the sheath of the tested cable is judged according to the resistance value; the larger the value of the resistance value is, the better the sealing performance of the cable sheath to be detected is; and if the value of the resistance value is smaller than the set standard value, the sealing performance of the tested cable sheath is unqualified.
One end of the tested cable 2 is positioned outside the container and is connected with the universal meter 1; the other end of the tested cable 2 is suspended outside the container or is placed in the conductive liquid after being insulated and sealed; one end of the lead 5 is soaked in the conductive liquid, and the other end is connected with the multimeter 1.
First embodiment referring to fig. 1, in fig. 1, a cable 2 to be measured is a cable for an ultrasonic meter, a conductive liquid 4 is normal temperature saturated saline, a container 3 is a beaker, and the cable 2 to be measured and a lead 5 are both KBCFK-1 cables. Adding normal-temperature saturated saline water into a beaker, then immersing one end of a lead 5 into the saturated saline water, putting the saturated saline water and the lead 5 into an inner conductor of the end to be fully contacted, and measuring the resistance value between the saturated saline water and the lead 5 by using a resistance block of a universal meter 1 to be about 100k omega; immersing the middle part of the tested cable 2 into saturated saline water, wherein two ends of the tested cable are outside the saturated saline water, so that the saturated saline water cannot enter the tested cable 2 through two ends of the tested cable 2, measuring the resistance value between the inner conductor at any end of the tested cable 2 and the inner conductor at the exposed end of the lead 5 by using the electric resistance block of the universal meter 1, and if the resistance value is infinite, judging that the sealing performance of the sheath of the tested cable 2 is good; and if the resistance value is between 100k omega and 50M omega, judging that the sealing performance of the sheath of the tested cable 2 is unqualified.
Example two, referring to fig. 2, in fig. 2, a cable 2 to be measured is a cable for an ultrasonic meter, a conductive liquid 4 is normal temperature saturated saline, a container 3 is a beaker, and the cable 2 to be measured and a lead 5 are both KBCFK-1 cables. Adding normal-temperature saturated saline water into a beaker, then immersing one end of a lead 5 into the saturated saline water, putting the saturated saline water and the lead 5 into an inner conductor of the end to be fully contacted, and measuring the resistance value between the saturated saline water and the lead 5 by using a resistance block of a universal meter 1 to be about 100k omega; immersing the middle part of the tested cable 2 into saturated saline, wherein one end of the tested cable 2 is sealed in a sealing glue insulation way and is immersed into the saturated saline, the other end of the tested cable 2 is outside the saturated saline, so that the saturated saline can not enter the tested cable 2 through two ends of the tested cable 2, measuring the resistance value between the inner conductor of the exposed end of the tested cable 2 and the inner conductor of the exposed end of the lead 5 by using a resistance block of the universal meter 1, and if the resistance value is infinite, judging that the sealing performance of the sheath of the tested cable 2 is good; and if the resistance value is between 100k omega and 50M omega, judging that the sealing performance of the sheath of the tested cable 2 is unqualified.
In the third embodiment, the tested cable 2 is a cable for an ultrasonic instrument, the conductive liquid 4 is normal-temperature saturated saline, the container 3 is a beaker, and the specification of the tested cable 2 is a KBCFK-1 cable. Adding normal-temperature saturated saline water into a beaker, and measuring the resistance value of the saturated saline water to be about 6k omega by using a resistance block of a universal meter 1; immersing the middle part of the tested cable 2 into saturated saline water, wherein two ends of the middle part are outside the saturated saline water, so that the saturated saline water cannot enter the tested cable 2 through two ends of the tested cable 2, measuring the resistance value between the inner conductor at any end of the tested cable 2 and the saturated saline water by using the electric resistance of the universal meter 1, and if the resistance value is infinite, judging that the sealing performance of the sheath of the tested cable 2 is good; and if the resistance value is between 6k omega and 50M omega, judging that the sealing performance of the sheath of the tested cable 2 is unqualified.
In the fourth embodiment, the cable 2 to be tested is a cable for an ultrasonic instrument, the conductive liquid 4 is normal-temperature saturated saline, the container 3 is a beaker, and the specification of the cable 2 to be tested is a KBCFK-1 cable. Adding normal-temperature saturated saline water into a beaker, and measuring the resistance value of the saturated saline water to be about 6k omega by using a resistance block of a universal meter 1; one end of a tested cable 2 is sealed in an insulating mode by using sealant and is immersed in saturated saline, the other end of the tested cable 2 is outside the saturated saline, so that the saturated saline cannot enter the tested cable 2 through two ends of the tested cable 2, a resistance value between an exposed end inner conductor of the tested cable 2 and the saturated saline is measured by using a resistance block of a universal meter 1, and if the resistance value is infinite, the sealing performance of a sheath of the tested cable 2 is judged to be good; and if the resistance value is between 6k omega and 50M omega, judging that the sealing performance of the sheath of the tested cable 2 is unqualified.

Claims (4)

1. The utility model provides a cable sheath sealing performance's testing arrangement which characterized in that: the cable testing device comprises a universal meter (1), a tested cable (2), a container (3), conductive liquid (4) and a lead (5), wherein the tested cable is used for an ultrasonic instrument, the container (3) is an open container, and the conductive liquid is arranged in the container; the tested cable (2) is arranged in the container and soaked in the conductive liquid, and one end of the tested cable (2) is positioned outside the container and is connected with the universal meter (1); the other end of the tested cable (2) is suspended outside the container or is placed in the conductive liquid after being insulated and sealed; one end of the lead (5) is soaked in the conductive liquid, and the other end of the lead is connected with the universal meter (1).
2. The cable sheath sealing performance testing device of claim 1, wherein: the conductive liquid (4) is saturated saline.
3. A cable sheath sealing performance testing apparatus according to claim 1 or 2, wherein: one end of the tested cable (2) is a first exposed end (8) of the tested cable, and the other end of the tested cable is a second exposed end (9) of the tested cable; one end of the lead is a lead exposed end I (10), and the other end of the lead is a lead exposed end II (11); the universal meter is provided with two meter pens, namely a universal meter pen I (6) and a universal meter pen II (7); the first multimeter pen (6) is connected with the first exposed end (8) of the tested cable, the second multimeter pen (7) is connected with the first exposed end (10) of the lead wire, the second exposed end (9) of the tested cable is suspended outside the container, and the second exposed end (11) of the lead wire is soaked in the conductive liquid (4).
4. A cable sheath sealing performance testing apparatus according to claim 1 or 2, wherein: one end of the tested cable (2) is a first exposed end (8) of the tested cable, and the other end of the tested cable is a sealed end (12) of the tested cable; one end of the lead is a lead exposed end I (10), and the other end of the lead is a lead exposed end II (11); the universal meter is provided with two meter pens, namely a universal meter pen I (6) and a universal meter pen II (7); the universal meter pen I (6) is connected with the tested cable exposed end I (8), the universal meter pen II (7) is connected with the lead exposed end I (10), the tested cable sealed end (12) is insulated and sealed by sealant and then soaked in the conductive liquid (4), and the lead exposed end II (11) is soaked in the conductive liquid (4).
CN202020572604.4U 2020-04-17 2020-04-17 Testing device for sealing performance of cable sheath Active CN211651992U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020572604.4U CN211651992U (en) 2020-04-17 2020-04-17 Testing device for sealing performance of cable sheath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020572604.4U CN211651992U (en) 2020-04-17 2020-04-17 Testing device for sealing performance of cable sheath

Publications (1)

Publication Number Publication Date
CN211651992U true CN211651992U (en) 2020-10-09

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ID=72689012

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020572604.4U Active CN211651992U (en) 2020-04-17 2020-04-17 Testing device for sealing performance of cable sheath

Country Status (1)

Country Link
CN (1) CN211651992U (en)

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