CN108181208A - A kind of device and method for being examined to cable connector water-resisting ability - Google Patents
A kind of device and method for being examined to cable connector water-resisting ability Download PDFInfo
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- CN108181208A CN108181208A CN201711388053.5A CN201711388053A CN108181208A CN 108181208 A CN108181208 A CN 108181208A CN 201711388053 A CN201711388053 A CN 201711388053A CN 108181208 A CN108181208 A CN 108181208A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/04—Investigating osmotic effects
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
Abstract
The invention discloses a kind of device for being examined to cable connector water-resisting ability, including：Humidity sensor inside the cable connector of cable under test in water tank, with the dummycable of the same model of cable under test electrical connection, punching transformer, thermocouple sensor, RFID electronic label and radio frequency identification receive terminal, humidity sensor for being measured to the humidity inside the cable connector, obtains humidity data；RFID electronic label receives terminal for reading the humidity data and being sent to radio frequency identification；Punching transformer, for generating electric current so that dummycable and cable under test are in on-load state；Thermocouple sensor, for being monitored to the temperature on dummycable；Radio frequency identification receives terminal, for receiving the humidity data, penetrates into situation to the moisture of the cable connector of cable under test and is monitored.The present invention realize contactless cable moisture deeply and condition monitoring, tangible facility is provided for staff.
Description
Technical field
It is used for the present invention relates to High-Voltage Technology and Insulation test technical field, and more particularly, to one kind to electricity
The device and method that cable joint water-resisting ability is examined.
Background technology
At present, the examination of the water-resisting ability of power cable and its connector and test method, the mainly electricity that will be examined
In cable joint merging water tank.Overland cable experiment is generally pressurizeed using sealing radiator refinement straight water pipe, submarine cable experiment
Generally it is pressurized using pressure tank.There is the stretching of two opening current supply cables at water tank both ends, and two mouthfuls need intact be bonded with cable, it is impossible to have
Moisture oozes out.The external reference cable of cable, reference cable have punching transformer, carry out duty cycle, keep certain time electricity
Cable temperature is more than 5~10 DEG C of cable conductor maximum operating temperature, is then cooled down.And apply certain pressure, it is recycled
Experiment.After the test, cable and cable connector are taken out, cuts, sees to cable connector and close to the cable of cable connector
Whether cable connector inside and cable inside have moisture infiltration, the position that observation moisture penetrates into if examining.It or can will be after cutting
Cable or connector are immersed in 100 DEG C of silicone oil, see whether that the modes such as boiling explosion phenomenon, which occur, examines water-resisting ability.
Obviously, the examination of the water-resisting ability of existing power cable and its connector and test method are complex, carry out
It needs cable cut etc. just it is observed that the moisture of cable and cable connector penetrates into situation during inspection.It and can only be qualitatively
The water-resisting ability of cable connector is analyzed, and moisture infiltration situation cannot be become a quantizating index and measured.Existing method
It can not be come to monitor moisture in real time according to the variation of setting condition (such as cycle-index, pressure) and penetrate into situation.
Invention content
It is existing to solve the present invention provides a kind of device and method for being examined to cable connector water-resisting ability
The examination of cable connector water-resisting ability and test method is complicated for operation and the moisture of not energetic test cable connector penetrates into
Problem.
To solve the above-mentioned problems, it is according to an aspect of the invention, there is provided a kind of for the energy that blocks water to cable connector
The device that power is examined, described device include：Humidity sensor inside the cable connector of cable under test in water tank,
With the dummycable of the same model of cable under test electrical connection, the punching transformer on dummycable, positioned at simulation
Thermocouple sensor on cable, RFID electronic label and radio frequency identification receive terminal,
The humidity sensor is connected with the RFID electronic label, for the humidity inside the cable connector
It measures, obtains humidity data；
The humidity data for reading the humidity data, and is sent to radio frequency identification by the RFID electronic label
Receive terminal；
The punching transformer, for generating electric current so that dummycable and cable under test are in on-load state；
The thermocouple sensor, for being monitored to the temperature on dummycable；
The radio frequency identification receives terminal, for receiving the humidity data, to the moisture of the cable connector of cable under test
Infiltration situation is monitored.
Preferably, wherein the humidity sensor is electric resistance moisture sensor.
Preferably, wherein the humidity sensor is at least one, the both ends of the humidity sensor by thin wire with
The RFID electronic label is connected.
Preferably, wherein the water tank is pressure tank, the hydraulic pressure in water tank can be adjusted.
Preferably, wherein described device further includes：Hydraulic gage, for being monitored to the hydraulic pressure in water tank.
According to another aspect of the present invention, it provides a kind of using water-resisting ability progress of the as above device to cable connector
The method of examination, the method includes：
Hydraulic pressure in regulating tank reaches default hydraulic pressure threshold value；
Using humidity sensor to cable under test in default hydraulic pressure threshold value and in without in predetermined period under load condition
Cable connector at humidity measure, obtain the first humidity data；
Start punching transformer, carry out duty cycle so that dummycable and cable under test are in on-load state；
The temperature on dummycable is monitored using thermoelectricity coupling sensor；
It is wet at the cable connector preset hydraulic pressure threshold value and be under on-load state in predetermined period to cable under test
Degree takes multiple measurements, and obtains the second humidity data；
First humidity data and the second humidity data are read using RFID electronic label, and by the first humidity number
Radio frequency identification (RFID) terminal is sent to according to the second humidity data.
Preferably, wherein the method further includes：Before hydraulic pressure in regulating tank reaches default hydraulic pressure threshold value, to water
The sealing state of case is detected.
Preferably, wherein the predetermined period is 24 hours.
Preferably, wherein described treat surveys cable in default hydraulic pressure threshold value and in predetermined period under on-load state
Humidity at cable connector takes multiple measurements, and obtains the second humidity data, including：
Step 1, control on-load state is first 8 hours, and when controlling the maximum temperature of heating than cable bringing normally into operation
Maximum temperature is 5 DEG C high, but the maximum temperature of the heating is no more than 100 DEG C, wherein maximum temperature is maintained to be at least 2 in 8 hours
Hour；Step 2, after the on-load state of 8 hours, the standing cooling of 16 hours is carried out；Step 3, thermocouple sensor pair is utilized
Humidity in entire predetermined period is monitored；
Step 1-3 is repeated, to cable under test in default hydraulic pressure threshold value and the electricity in predetermined period under on-load state
Humidity at cable joint carries out more measurements, obtains the second humidity data.
Preferably, wherein the humidity sensor is electric resistance moisture sensor.
Preferably, wherein the humidity sensor is at least one, the both ends of the humidity sensor by thin wire with
The RFID electronic label is connected.
Preferably, wherein the water tank is pressure tank, the hydraulic pressure in water tank can be adjusted.
Preferably, wherein the method further includes：The hydraulic pressure in water tank is monitored using hydraulic gage.
The present invention provides for the device and method examined to the water-resisting ability of cable connector, solve tradition
Cable connector water-resisting ability test method is complicated for operation cumbersome, and cannot penetrate into situation to moisture in real time and be monitored in real time.
By installing humidity sensor, the quantization prison for the moisture infiltration situation that cable connector need not be splitted in each installation place is realized
It surveys so that different condition, the moisture of different location, which penetrates into situation, intuitively to be analyzed and compared；By using RFID electricity
Subtab is read out the wireless transmission of data and data, realize contactless cable moisture deeply and condition monitoring,
And can according to circumstances change extraneous test condition, it is monitored, is blocked water so as to carry out environmental factor to cable connector in real time
The analysis of capacity；Meanwhile the efficiency and adaptability of the experiment of cable connector water-resisting ability are improved, it is provided for staff
Tangible facility.
Description of the drawings
By reference to the following drawings, exemplary embodiments of the present invention can be more fully understood by：
Fig. 1 is the device 100 for being used to examine the water-resisting ability of cable connector according to embodiment of the present invention
Schematic diagram；
Fig. 2 is the method 200 for being used to examine the water-resisting ability of cable connector according to embodiment of the present invention
Flow chart；And
Fig. 3 is the device 300 for being used to examine the water-resisting ability of cable connector according to embodiment of the present invention
Instance graph.
Specific embodiment
Exemplary embodiments of the present invention are introduced referring now to attached drawing, however, the present invention can use many different shapes
Formula is implemented, and be not limited to the embodiment described herein, and to provide these embodiments be to disclose at large and fully
The present invention, and fully convey the scope of the present invention to person of ordinary skill in the field.Show for what is be illustrated in the accompanying drawings
Term in example property embodiment is not limitation of the invention.In the accompanying drawings, identical cells/elements use identical attached
Icon is remembered.
Unless otherwise indicated, term used herein has person of ordinary skill in the field (including scientific and technical terminology)
It is common to understand meaning.Further it will be understood that with the term that usually used dictionary limits, should be understood as and its
The linguistic context of related field has consistent meaning, and is not construed as Utopian or too formal meaning.
Fig. 1 is the device 100 for being used to examine the water-resisting ability of cable connector according to embodiment of the present invention
Schematic diagram.As shown in Figure 1, embodiment of the present invention provide for the device examined to the water-resisting ability of cable connector,
It is complicated for operation cumbersome to solve traditional cable connector water-resisting ability test method, and cannot situation be penetrated into moisture in real time and carried out in fact
When monitoring.By installing humidity sensor, the moisture infiltration situation that cable connector need not be splitted in each installation place is realized
Quantization monitoring so that different condition, the moisture of different location, which penetrates into situation, intuitively to be analyzed and be compared；Pass through profit
The wireless transmission of data and data is read out with RFID electronic label, realize contactless cable moisture deeply and feelings
Condition monitors, and can according to circumstances change extraneous test condition, is monitored, cable is connect in real time so as to carry out environmental factor
The analysis that head water-resisting ability influences；Meanwhile the efficiency and adaptability of the experiment of cable connector water-resisting ability are improved, it is staff
Provide tangible facility.The kind that embodiment of the present invention provides is for the device examined to cable connector water-resisting ability
100 include：Humidity sensor 102 inside the cable connector of cable under test 101 in water tank, with cable under test electricity
The dummycable 103 of the same model of gas connection, the punching transformer 104 on dummycable, the heat on dummycable
Galvanic couple passes device 105, and RFID electronic label 106 and radio frequency identification receive terminal 107.Preferably, wherein the water tank is pressurized water
The hydraulic pressure in water tank can be adjusted in case.
Preferably, the humidity sensor 102, is connected with the RFID electronic label, for the cable connector
Internal humidity measures, and obtains humidity data.
Preferably, wherein the humidity sensor is electric resistance moisture sensor.
Preferably, wherein the humidity sensor is at least one, the both ends of the humidity sensor by thin wire with
The RFID electronic label is connected.
Preferably, the RFID electronic label 106 for reading the humidity data, and the humidity data is sent
Terminal is received to radio frequency identification.
Preferably, the punching transformer 104, for generating electric current so that at dummycable 103 and cable under test 101
In on-load state.
The thermocouple sensor 105, for being monitored to the temperature on dummycable.
The radio frequency identification receives terminal 107, for receiving the humidity data, to the water of the cable connector of cable under test
Infiltration situation is divided to be monitored.
Preferably, wherein described device further includes：Hydraulic gage, for being monitored to the hydraulic pressure in water tank.
In embodiments of the present invention, water tank used in the cable connector of test examination and cable merging will be carried out
In, water tank can preferably adjust hydraulic pressure using the pressure tank of sealing.There are two openings at water tank both ends, and current supply cable, which stretches out, to be used.Two open
Mouth needs fully gluing, sealing in cable, can neither have the moisture in water tank to be oozed out outside water tank through opening, can not be to cable sheet
Body causes additional mechanical stress.With pressure gauge on water tank, hydraulic pressure can be observed in real time during experiment.
It tests moisture and penetrates into the sensor of situation using electric resistance moisture sensor.Electric resistance moisture sensor bulk is very
It is small, multiple electric resistance moisture sensors are placed in cable connector, are placed in cable connector conductor with insulating in interlayer or insulating layer,
The moisture infiltration situation of each position can be detected by placing electric resistance moisture sensor in different location.Electric resistance moisture sensor
Output terminal is connected to by thin wire in RFID electronic label, is carried out reading to humidity by electronic tag and is recorded.
The cable at cable under test connector both ends is connected through good electrical connection with a dummycable.Dummycable needs
The cable specification connected with the cable connector for examination is identical.Dummycable needs guiding through punching transformer, punching transformer
Effect is cable to be made to generate electric current, and then temperature increases, as duty cycle.Installation thermocouple, thermocouple are needed on dummycable
Directly measure the temperature on dummycable, the temperature of cable and connector measured by reflection, the monitoring of temperature when reaching experiment.
Fig. 2 is the method 200 for being used to examine the water-resisting ability of cable connector according to embodiment of the present invention
Flow chart.As shown in Fig. 2, embodiment of the present invention provide for the method examined to the water-resisting ability of cable connector
200 since step 201 place, and the hydraulic pressure in step 201 regulating tank reaches default hydraulic pressure threshold value.Preferably, it is wherein described
Method further includes：Before hydraulic pressure in regulating tank reaches default hydraulic pressure threshold value, the sealing state of water tank is detected.It is excellent
Selection of land wherein the water tank is pressure tank, can be adjusted the hydraulic pressure in water tank.
Preferably, in default hydraulic pressure threshold value and not on-load is in cable under test using humidity sensor in step 202
The humidity at cable connector under state in predetermined period measures, and obtains the first humidity data.Preferably, it is wherein described pre-
If the period is 24 hours.Preferably, wherein the humidity sensor is electric resistance moisture sensor.Preferably, it is wherein described wet
Degree sensor is at least one, and the both ends of the humidity sensor are connected by thin wire with the RFID electronic label.
Preferably, start punching transformer in step 203, carry out duty cycle so that at dummycable and cable under test
In on-load state.
Preferably, the temperature on dummycable is monitored using thermoelectricity coupling sensor in step 204.
Preferably, cable under test in default hydraulic pressure threshold value and is under on-load state in predetermined period in step 205
Cable connector at humidity take multiple measurements, obtain the second humidity data.
Preferably, wherein described treat surveys cable in default hydraulic pressure threshold value and in predetermined period under on-load state
Humidity at cable connector takes multiple measurements, and obtains the second humidity data, including：
Step 2051, control on-load state is first 8 hours, and when controlling the maximum temperature of heating than cable bringing normally into operation
Maximum temperature it is 5 DEG C high, but the maximum temperature of the heating be no more than 100 DEG C, wherein in 8 hours maintain maximum temperature be at least
2 hours；Step 2052, after the on-load state of 8 hours, the standing cooling of 16 hours is carried out；Step 2053, it is passed using thermocouple
Sensor is monitored the humidity in entire predetermined period；
Step 2051-2053 is repeated, to cable under test in default hydraulic pressure threshold value and in predetermined period under on-load state
Humidity at interior cable connector carries out more measurements, obtains the second humidity data.
Preferably, first humidity data and the second humidity data are read using RFID electronic label in step 206, and
First humidity data and the second humidity data are sent to radio frequency identification (RFID) terminal.
Preferably, wherein the method further includes：The hydraulic pressure in water tank is monitored using hydraulic gage.
In embodiments of the present invention, the sensor in cable under test connector and the dress of entire water-resisting ability test
It puts after installing, checks that cable under test and dummycable electrical connection are good, after testing pressure tank good seal, carry out cable
The test of connector water-resisting ability.Increase the water in water tank pressure to default hydraulic pressure threshold value, device is generally placed 24 after supercharging
Hour.Load heat cycles are carried out on sample to be tested later, it is through-flow to cable using punching transformer, it is real-time by thermocouple
Read the temperature of cable.General 24 hours are one cycle, wherein being within 8 hours heating time, it is desirable that maximum temperature about compares cable
It is 5 DEG C high to run maximum temperature, as long as there should be 2 hours to keep the temperature in 8 hours.It is cold that 16 hours later carry out standing nature
But, so on circulate.
Resistance temperature detector in cable connector is read out by RFID electronic label, and the result of reading is by penetrating
Frequency identification terminal is identified, and obtains data.This mode for reading result passes through without contact/taking-up cable connector
Contactless wireless communication carries out reading, thus can in real time be obtained according to actual conditions moisture infiltration as a result, simultaneously can be with
The parameters such as such as hydraulic pressure, temperature, duty cycle number are adjusted to observe the feelings that cable connector water-resisting ability changes with these conditions
Condition.
The embodiment illustrated the present invention in detail below
Fig. 3 is the device 300 for being used to examine the water-resisting ability of cable connector according to embodiment of the present invention
Instance graph.As shown in figure 3, embodiment of the present invention is wrapped for the device 300 examined to the water-resisting ability of cable connector
It includes：Cable connector 1, water tank 2, hydraulic gage 3, sealed interface 4, electrical connection 5, dummycable 6, punching transformer 7, thermocouple pass
Sensor 8, conductor 9, insulator 10, electric resistance moisture sensor 11, RFID electronic label 12 and radio frequency reception terminal 13.
Wherein, the measurement of moisture infiltration situation, electric resistance moisture sensor 11 are carried out using electric resistance moisture sensor 11
Volume very little, can easily be installed in cable connector 1 and measure.According to the voltage class of cable, cable connector
Situation and actual demand select the quantity of electric resistance moisture sensor 11 and the position of installation, in cable connector 1, insulation 10
With the intersection of conductor 9,1 group of electric resistance moisture sensor 11 is set at a certain distance.So as to detect during experiment, no
Moisture with position penetrates into situation.Moisture is penetrated into situation by electric resistance moisture sensor 11, i.e. the humidity of its present position passes through
The variation of resistance is presented, and the both ends of each electric resistance moisture sensor element 11 are connected to RFID electronics marks by thin wire
Label 12 on, digital independent is carried out by RFID electronic label 12, and pass through wireless transmission method by radio frequency identification receive terminal 13 into
Row receives.
Cable under test and cable connector are placed in the pressure tank 2 made, and pressure tank 2 has the work(of adjustment hydraulic pressure
Can, reading is monitored by hydraulic gage 3.The opening at water tank both ends is for the stretching of cable, and after cable stretches out, opening should shape
Into good sealing 4, it is fully bonded cable, it is impossible to have moisture exudation, but cable can not be caused additionally due to sealing
Mechanical stress.
The connection of cable under test and dummycable, the phases such as the requirement of dummycable 6 and the model of cable under test and other parameter
Together.Dummycable 6 is together in series by good electrical connection 5 with cable under test.Punching transformer 7 is installed on dummycable,
For punching transformer 7 for generating electric current, electric current, which flows through cable, can make cable be in the state of similar on-load, and make to be measured
The temperature of cable and its connector increases, so as to the working condition of dummycable.Temperature is the heat by being mounted on dummycable
What thermocouple sensor 8 obtained, realize the real time monitoring to the temperature of duty cycle during experiment using thermocouple sensor 8.
When the water-resisting ability of the cable connector to cable under test is examined, the sealing feelings of pressure tank 2 are first checked for
Condition is good, checks that the electrical connection of each position of whole device is good.During entire examination all will by humidity sensor 11,
RFID electronic label 12, radio frequency identification (RFID) terminal 13 penetrate into situation to the moisture of cable connector and are monitored.To pressure tank plus water,
And hydraulic pressure is adjusted, observation hydraulic gage 3 is monitored, and allows stable water pressure under default hydraulic pressure threshold value.Cable and connector are existed first
Obstructed electric current stands 24 hours under this pressure, records the situation of moisture infiltration.Duty cycle is carried out to cable and connector later,
Start punching transformer 7 so that by electric current in dummycable and cable under test, load is connected with to simulate cable in practical application
The situation of electric current.With 24 hours for a cycle period, wherein 8 hours are heating time, the maximum temperature of heating is than cable just
Often maximum temperature when putting into operation is answered 5 DEG C high, but no more than 100 DEG C, temperature can be carried out by the thermocouple 8 on dummycable 6
Monitoring.8 hours planted agents maintain maximum temperature at least 2 hours.After 8 hours through-flow, the standing cooling of 16 hours is carried out.One
In period, any moment can penetrate into situation to the moisture of position each in cable connector by radio frequency identification (RFID) terminal 13 and carry out
Monitoring, and record.Later, repeat duty cycle, each period of duty cycle is monitored and recorded accordingly.
Finally, the data obtained by radio frequency identification (RFID) terminal 13 judge the water-resisting ability of cable connector.The present invention
Without being cut to cable connector, you can judge that the moisture of each position of cable connector penetrates into situation, and moisture is penetrated into
Situation have the judgement of quantization.And number that can be according to duty cycle and its corresponding test result, judge duty cycle pair
Final moisture penetrates into the influence of situation, and then preferably the water-resisting ability of cable connector is judged.Duty cycle number pair
The influence that moisture penetrates into situation can apply this method, penetrate into the influence of degree to the moisture of cable connector if necessary to judge hydraulic pressure,
Hydraulic pressure can be adjusted at the beginning in experiment, be monitored by hydraulic gage 3, and carry out repeating to test can obtain under different hydraulic pressure
The water-resisting ability situation of cable connector.
The present invention is described by reference to a small amount of embodiment.However, it is known in those skilled in the art, as
What subsidiary Patent right requirement was limited, in addition to the present invention other embodiments disclosed above are equally fallen the present invention's
In the range of.
Normally, all terms used in the claims are all solved according to them in the common meaning of technical field
It releases, unless in addition clearly being defined wherein.All references " one/described/be somebody's turn to do [device, component etc.] " are all opened ground
At least one of described device, component etc. example is construed to, unless otherwise expressly specified.Any method disclosed herein
Step need not all be run with disclosed accurate sequence, unless explicitly stated otherwise.
Claims (13)
1. a kind of device for being examined to cable connector water-resisting ability, which is characterized in that described device includes：Positioned at water
Humidity sensor inside the cable connector of cable under test in case, the simulation with the same model of cable under test electrical connection
Cable, the punching transformer on dummycable, the thermocouple sensor on dummycable and are penetrated at RFID electronic label
Frequency identification receives terminal,
The humidity sensor is connected with the RFID electronic label, for being carried out to the humidity inside the cable connector
It measures, obtains humidity data；
The humidity data for reading the humidity data, and is sent to radio frequency identification and received by the RFID electronic label
Terminal；
The punching transformer, for generating electric current so that dummycable and cable under test are in on-load state；
The thermocouple sensor, for being monitored to the temperature on dummycable；
The radio frequency identification receives terminal, and for receiving the humidity data, the moisture of the cable connector of cable under test is penetrated into
Situation is monitored.
2. the apparatus according to claim 1, which is characterized in that the humidity sensor is electric resistance moisture sensor.
3. the apparatus according to claim 1, which is characterized in that the humidity sensor is at least one, and the humidity passes
The both ends of sensor are connected by thin wire with the RFID electronic label.
4. the apparatus according to claim 1, which is characterized in that the water tank is pressure tank, can be to the water in water tank
Pressure is adjusted.
5. the apparatus according to claim 1, which is characterized in that described device further includes：Hydraulic gage, for in water tank
Hydraulic pressure is monitored.
6. a kind of method examined using device as described in claim 1 to the water-resisting ability of cable connector, feature
It is, the method includes：
Hydraulic pressure in regulating tank reaches default hydraulic pressure threshold value；
Using humidity sensor to cable under test in default hydraulic pressure threshold value and in without the electricity in predetermined period under load condition
Humidity at cable joint measures, and obtains the first humidity data；
Start punching transformer, carry out duty cycle so that dummycable and cable under test are in on-load state；
The temperature on dummycable is monitored using thermoelectricity coupling sensor；
To cable under test default hydraulic pressure threshold value and humidity at the cable connector in predetermined period under on-load state into
Row repeatedly measures, and obtains the second humidity data；
Read first humidity data and the second humidity data using RFID electronic label, and will first humidity data with
Second humidity data is sent to radio frequency identification (RFID) terminal.
7. according to the method described in claim 6, it is characterized in that, the method further includes：Hydraulic pressure in regulating tank reaches
To before default hydraulic pressure threshold value, the sealing state of water tank is detected.
8. according to the method described in claim 6, it is characterized in that, the predetermined period is 24 hours.
9. according to the method described in claim 8, it is characterized in that, described in default hydraulic pressure threshold value and be in band to cable under test
The humidity at cable connector under load condition in predetermined period takes multiple measurements, and obtains the second humidity data, including：
Step 1, control on-load state is first 8 hours, and highest when controlling the maximum temperature of heating than cable bringing normally into operation
Temperature is 5 DEG C high, but the maximum temperature of the heating is no more than 100 DEG C, wherein maximum temperature is maintained to be at least 2 hours in 8 hours；
Step 2, after the on-load state of 8 hours, the standing cooling of 16 hours is carried out；Step 3, using thermocouple sensor to entire pre-
If the humidity in the period is monitored；
Step 1-3 is repeated, cable under test is connect in default hydraulic pressure threshold value and the cable in predetermined period under on-load state
Humidity at head carries out more measurements, obtains the second humidity data.
10. according to the method described in claim 6, it is characterized in that, the humidity sensor is electric resistance moisture sensor.
11. according to the method described in claim 6, it is characterized in that, the humidity sensor is at least one, the humidity passes
The both ends of sensor are connected by thin wire with the RFID electronic label.
12. according to the method described in claim 6, it is characterized in that, the water tank be pressure tank, can be to the water in water tank
Pressure is adjusted.
13. according to the method described in claim 6, it is characterized in that, the method further includes：Using hydraulic gage in water tank
Hydraulic pressure is monitored.
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| CN201711388053.5A CN108181208A (en) | 2017-12-20 | 2017-12-20 | A kind of device and method for being examined to cable connector water-resisting ability |
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| CN201711388053.5A CN108181208A (en) | 2017-12-20 | 2017-12-20 | A kind of device and method for being examined to cable connector water-resisting ability |
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| CN109406347A (en) * | 2018-11-30 | 2019-03-01 | 国网江苏省电力有限公司无锡供电分公司 | A kind of three cores system packet cable connector layering water-resisting ability certification test method |
| CN110308039A (en) * | 2019-05-30 | 2019-10-08 | 常州金标轨道交通技术服务有限公司 | Cable for rail transit vehicles all-round property testing method |
| CN111157819A (en) * | 2019-12-31 | 2020-05-15 | 国网北京市电力公司 | Detection system and detection method for water resistance of joint |
| CN111855107A (en) * | 2020-07-08 | 2020-10-30 | 国网天津市电力公司电力科学研究院 | Method for testing sealing performance of cold-shrinkage intermediate joint of cable of 35kV or below |
| CN112964431A (en) * | 2021-01-25 | 2021-06-15 | 中国电力科学研究院有限公司 | Method and device for improving waterproof test accuracy of power cable intermediate joint |
| CN116184274A (en) * | 2023-04-25 | 2023-05-30 | 深圳市国威通电子技术有限公司 | High-voltage connector quality detection system and method |
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| CN109406347A (en) * | 2018-11-30 | 2019-03-01 | 国网江苏省电力有限公司无锡供电分公司 | A kind of three cores system packet cable connector layering water-resisting ability certification test method |
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| CN111157819A (en) * | 2019-12-31 | 2020-05-15 | 国网北京市电力公司 | Detection system and detection method for water resistance of joint |
| CN111855107A (en) * | 2020-07-08 | 2020-10-30 | 国网天津市电力公司电力科学研究院 | Method for testing sealing performance of cold-shrinkage intermediate joint of cable of 35kV or below |
| CN111855107B (en) * | 2020-07-08 | 2022-07-29 | 国网天津市电力公司电力科学研究院 | Method for testing sealing performance of cold-shrinkage intermediate joint of cable of 35kV or below |
| CN112964431A (en) * | 2021-01-25 | 2021-06-15 | 中国电力科学研究院有限公司 | Method and device for improving waterproof test accuracy of power cable intermediate joint |
| CN116184274A (en) * | 2023-04-25 | 2023-05-30 | 深圳市国威通电子技术有限公司 | High-voltage connector quality detection system and method |
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Application publication date: 20180619 |