CN114578157A - Temperature switching testing device for cable - Google Patents
Temperature switching testing device for cable Download PDFInfo
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- CN114578157A CN114578157A CN202210185984.XA CN202210185984A CN114578157A CN 114578157 A CN114578157 A CN 114578157A CN 202210185984 A CN202210185984 A CN 202210185984A CN 114578157 A CN114578157 A CN 114578157A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/18—Performing tests at high or low temperatures
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Abstract
The present disclosure relates to a temperature switching testing arrangement of cable, including: a frame; the heating box is arranged on one side of the length direction of the rack, and a heating cavity is formed in the heating box; the heating box is provided with a heating component; the refrigerating box is arranged on the other side of the length direction of the rack, and a refrigerating cavity is formed in the refrigerating box; the refrigerating box is provided with a refrigerating assembly for cooling the refrigerating cavity; the clamp is arranged on the rack and used for clamping the cable; the rotating mechanism is linked with the clamp and is used for driving the clamp to rotate; and the travelling mechanism is arranged between the heating box and the refrigerating box, and is linked with the clamp to drive the clamp to travel between the heating box and the refrigerating box so as to enable the cable to alternately enter the heating cavity and the refrigerating cavity. The high-low temperature environment switching simulation test can be carried out on the cable, the performance of the cable under the condition of large temperature difference change can be tested, the performance of the cable can be fully tested, and the quality and the safety of a cable product can be improved.
Description
Technical Field
The utility model relates to a cable test technical field, concretely relates to temperature switching testing arrangement of cable.
Background
A cable is generally composed of a plurality of wires or a plurality of groups of wires, and is a wire used for transmitting electric energy or signals. A series of quality detection needs to be carried out on the cable before the cable leaves a factory, in recent years, the problem of electricity utilization safety is more and more emphasized by people, the safety requirement on the cable is higher and higher, diversified performance detection is carried out before the cable leaves the factory, the product quality of the cable is favorably ensured, and the safety of the cable in the using process is improved.
The laying environment of the cable is very different, the temperature difference of different environments can be very large, and the cable is required to have excellent toughness and conductivity in high-temperature and low-temperature environments so as to prevent the cable from cracking and keep stable conductivity. On the other hand, in a partially severe laying environment, the day and night temperature difference is large, the change of the environmental temperature is fast, the cable is frequently switched in high and low temperature environments, and the cable is required to have certain tolerance to the change of the environmental temperature difference so as to ensure that the cable can be normally used in the environment and the qualified service life is ensured.
In the field of cable testing at present, a testing device special for a cable in a temperature switching environment is not provided, the performance of the cable in an environment with large temperature difference change cannot be tested, and the tolerance of the cable to the environment temperature difference change cannot be tested.
Disclosure of Invention
In order to solve the problems existing in the prior art, the present disclosure aims to provide a temperature switching test device for a cable. The high-low temperature environment switching simulation test can be carried out on the cable, the performance of the cable under the condition of large temperature difference change can be tested, the performance of the cable can be fully tested, and the quality and the safety of a cable product can be improved.
The temperature of a cable switch testing arrangement of this disclosure, include:
a frame;
the heating box is arranged on one side of the length direction of the rack, and a heating cavity is formed in the heating box; the heating box is provided with a heating component for heating the heating cavity;
the refrigeration box is arranged on the other side of the rack in the length direction, and a refrigeration cavity is formed in the refrigeration box; the refrigerating box is provided with a refrigerating assembly for cooling the refrigerating cavity;
the clamp is arranged on the rack and used for clamping a cable;
the rotating mechanism is linked with the clamp and is used for driving the clamp to rotate;
running gear, running gear sets up the heating cabinet with between the refrigeration case, running gear with the anchor clamps linkage is used for driving anchor clamps are in the heating cabinet with walk between the refrigeration case to make the cable get into in turn the heating chamber with the refrigeration chamber.
Preferably, the clamp includes two opposite clamping arms, the two clamping arms are movably connected to enable the two clamping arms to be opened or closed relatively, a clamping groove for clamping the cable is formed on one opposite surface of the two clamping arms, and the clamping groove is semicircular.
Preferably, the rotating mechanism includes:
the base is arranged on the rack;
the rotating disc is rotatably connected with the base, so that the rotating disc can rotate relative to the base, and the clamp is connected with the rotating disc;
the first driving piece is linked with the rotating disc and used for driving the rotating disc to rotate.
Preferably, the traveling mechanism includes:
the guide piece is arranged on the rack and extends along the length direction of the rack;
the sliding piece is arranged on the guide piece in a sliding mode, and the base is arranged on the sliding piece;
a second driving member;
and the second driving piece is linked with the sliding piece through the transmission assembly and is used for driving the sliding piece to slide on the guide piece through the transmission assembly.
Preferably, the heating box includes:
the heating cavity is formed in the first box body, and a hot air channel communicated with the heating cavity is formed in the first box body;
the heating component is an air heater which is arranged beside the first box body, is communicated with the hot air channel and is used for outputting hot air to the hot air channel.
Preferably, the refrigeration case comprises:
the refrigeration cavity is formed in the second box body, and a cold air channel communicated with the refrigeration cavity is formed in the second box body;
the refrigeration assembly is a refrigeration circulation loop which is arranged beside the second box body, is communicated with the cold air channel and is used for outputting cold air to the cold air channel.
Preferably, the refrigeration cassette further comprises:
and the waste heat recovery assembly is communicated with the hot air channel and is used for recovering waste heat.
Preferably, the temperature switching test device further comprises:
a controller;
the first temperature sensor is arranged in the heating cavity and is in signal connection with the controller;
the second temperature sensor is arranged in the refrigerating cavity and is in signal connection with the controller;
the controller is respectively in signal connection with the hot air blower and the refrigeration cycle assembly.
Preferably, the temperature switching test device further comprises:
the photoelectric sensor is arranged beside the stroke of the clamp and used for sensing the clamp, and the photoelectric sensor is in signal connection with the controller;
and the counter is in signal connection with the controller.
Preferably, the heating chamber and the refrigerating chamber are provided with a curtain at the inlet thereof.
The utility model discloses a temperature switching testing arrangement of cable, its advantage lies in, this openly simulates high temperature environment and low temperature environment through heating cabinet and refrigeration case, through anchor clamps centre gripping cable that awaits measuring, drive anchor clamps motion and then drive the cable motion that awaits measuring through slewing mechanism and running gear, make the cable that awaits measuring switch in turn between heating cabinet and refrigeration case, the simulation cable switches over in high temperature environment and low temperature environment, with the performance of test cable under high temperature environment and low temperature environment switch in turn, testable cable is big to the temperature difference, the tolerance under adverse circumstances such as temperature difference is fast, be favorable to fully testing the performance of cable, and then improve the quality and the security of cable product.
Drawings
Fig. 1 is a schematic structural diagram of a temperature switching test device for cables according to the present disclosure;
fig. 2 is a system block diagram of a temperature switching test device of a cable according to the present disclosure.
Description of the reference numerals:
10-a frame;
20-heating box, 201-heating cavity, 202-heating assembly, 203-first box body, 204-hot air channel;
30-a refrigeration box, 301-a refrigeration cavity, 302-a refrigeration assembly, 303-a second box body and 304-a cold air channel; 305-a waste heat recovery assembly;
40-clamp, 401-clamp arm, 4011-clamp groove;
50-a rotation mechanism;
60-a walking mechanism, 601-a guide piece, 602-a sliding piece, 603-a second driving piece, 604-a transmission component;
70-a controller;
80-a first temperature sensor;
90-a second temperature sensor;
100-a photosensor;
110-a counter.
Detailed Description
As shown in fig. 1 and fig. 2, the temperature switching test apparatus for a cable according to the present disclosure includes:
the frame 10 is made of alloy materials, and the frame 10 is approximately a rectangular frame and used for installing each component.
The heating box 20 is a square box body, the heating box 20 is arranged on one side of the rack 10 in the length direction, a heating cavity 201 is formed in the heating box 20, a heating component 202 for heating the heating cavity 201 is arranged on the heating box 20, and the heating component 202 enables the temperature in the heating cavity 201 to rise to form a high-temperature environment.
The refrigeration case 30, the refrigeration case 30 sets up the opposite side at frame 10 length direction, and its inside is formed with refrigeration chamber 301, is formed with the opening on refrigeration chamber 301 and the face that heating chamber 201 is opposite to in the cable stretches into refrigeration chamber 301 and heating chamber 201. Be equipped with on the refrigeration case 30 and be used for the refrigerated refrigeration subassembly 302 in refrigeration chamber 301, refrigeration subassembly 302 makes the inside cooling of refrigeration chamber 301 form low temperature environment.
And the clamp 40 is arranged on the rack 10 and used for clamping the cable to be tested.
And the rotating mechanism 50 is linked with the clamp 40 and used for driving the clamp 40 to rotate so as to drive the cable to be tested to rotate.
The travelling mechanism 60 is arranged between the heating box 20 and the refrigerating box 30, the travelling mechanism 60 is linked with the clamp 40 and is used for driving the clamp 40 to travel between the heating box 20 and the refrigerating box 30, so that the cable enters the heating cavity 201 and the refrigerating cavity 301 alternately, and the cable is switched between a high-temperature environment and a low-temperature environment.
This openly simulates high temperature environment and low temperature environment through heating cabinet 20 and refrigeration case 30, through the cable that awaits measuring of anchor clamps 40 centre gripping, drive anchor clamps 40 through slewing mechanism 50 and running gear 60 and move and then drive the cable motion that awaits measuring, make the cable that awaits measuring switch in turn between heating cabinet 20 and refrigeration case 30, the simulation cable switches in high temperature environment and low temperature environment, with the performance of test cable under high temperature environment and low temperature environment switch in turn, it is big to the temperature difference to testable cable, the tolerance under adverse circumstances such as the temperature difference is fast, be favorable to fully testing the performance of cable, and then improve the quality and the security of cable product.
Further, in this embodiment, the clamp 40 includes two clamping arms 401 disposed oppositely, the two clamping arms 401 are formed with corresponding connection holes, the connection shaft is disposed through the connection holes of the two clamping arms 401 and is in sliding fit with the connection holes, so that the two clamping arms 401 are movably connected, and have a freedom of movement sliding along the axial direction of the connection shaft, and further, the two clamping arms 401 can be opened or closed relatively to take out/put in a cable and clamp the cable. Be formed with the double-layered groove 4011 that is used for the centre gripping cable on the relative one side of two arm lock 401, press from both sides groove 4011 semicircular in shape, when arm lock 401 centre gripping cable, put into clamp groove 4011 with the cable in, make two arm lock 401 be close to and laminate mutually, can be through two arm lock 401 centre gripping cables. In some preferred embodiments, the clamp arms 401 may be selectively pneumatically or electrically powered to open or close the clamp arms 401 by pneumatic or electrical power. The clamping arm 401 structure can stably clamp a cable.
Further, in this embodiment, the rotating mechanism 50 specifically includes:
the base is disc-shaped, and the top surface of the base is fixedly connected with the frame 10.
The rotating disc is arranged on the base and is rotationally connected with the base in a hole-shaft matching mode, so that the rotating disc can rotate relative to the base, and the clamp 40 is connected with the rotating disc through a connecting rod, so that the clamp 40 can rotate along with the rotating disc.
First driving piece, first driving piece and rolling disc linkage are used for driving the rolling disc and rotate, and in specific embodiment, revolving cylinder is chooseed for use to first driving piece to it rotates on the base to drive the rolling disc.
The rotating mechanism 50 can drive the clamp 40 to rotate around the axial position, so as to drive the cable to rotate.
Further, in the present embodiment, the traveling mechanism 60 includes:
the guide 601 is arranged on the rack 10 and extends along the length direction of the rack 10, and the guide stroke of the guide 601 at least comprises the positions of the heating box 20 and the refrigerating box 30, so that the cables can be moved into the heating box 20 and the refrigerating box 30. The guide 601 is typically a guide rail.
The sliding member 602, the sliding member 602 is specifically a sliding seat adapted to the guide rail, and the sliding member 602 is slidably disposed on the guide 601 so that the sliding member 602 can slide along the guide 601. The base is provided on the slide 602 so that the rotating mechanism 50 and the clamp 40 as a whole can slide with the slide 602.
The second driving element 603, the second driving element 603 is usually a servo motor.
The transmission assembly 604 is a ball screw, and the transmission assembly 604 further includes a screw sleeve, a screw nut, and the like. The second driving element 603 is linked with the sliding element 602 through the transmission assembly 604, and is configured to drive the sliding element 602 to slide on the guiding element 601 through the transmission assembly 604, specifically, the ball screw extends along the length direction of the rack 10, the screw sleeve and the screw nut are respectively clamped on two sides of the sliding element 602, an output shaft of the servo motor is coaxially connected with the ball screw, the servo motor drives the ball screw to rotate when rotating, the ball screw converts the rotary motion into linear motion, the sliding element 602 slides along the guide rail under the guiding effect of the guide rail, and the sliding direction of the sliding element 602 can be controlled through the forward and backward rotation of the servo motor. The traveling mechanism 60 can stably drive the clamp 40 to travel along the length direction of the rack 10, and further drive the cable to reciprocate between the heating box 20 and the refrigerating box 30.
Further, in this embodiment, the heating box 20 specifically includes:
the heating device comprises a first box body 203, wherein the first box body 203 is square, a heating cavity 201 is formed in the first box body 203, and a hot air channel 204 communicated with the heating cavity 201 is formed at the side of the first box body 203;
the heating assembly 202 is specifically an air heater, the air heater is disposed beside the first box 203, and an air outlet of the air heater is communicated with the hot air channel 204, and is configured to output hot air to the hot air channel 204 during operation, and the hot air is input into the heating cavity 201 to raise the temperature inside the heating cavity 201, thereby forming a high temperature environment. According to the practical application scenario of the cable, the temperature requirement of the heating cavity 201 is 40 ℃, so that the hot air blower is selected as the heating component 202, the testing requirement of the cable can be met, and the cable heating device has the advantages of low energy consumption and stable operation.
Further, in this embodiment, the refrigeration box 30 specifically includes:
the second box body 303, the second box body 303 is also square, the refrigeration cavity 301 is formed in the second box body 303, and a cold air channel 304 communicated with the refrigeration cavity 301 is formed beside the second box body 303;
the refrigeration assembly 302 is specifically a refrigeration cycle loop, and the refrigeration cycle loop specifically includes a compression pump, an air pump, an evaporator, an air-cooled condenser and other common refrigeration components, the air pump pumps the gas in the refrigeration cavity 301 to enter the evaporator to exchange heat with the refrigerant to form low-temperature air, and the low-temperature air flows back into the refrigeration cavity 301 through the cold air channel 304 to cool and cool the refrigeration cavity 301 to form a low-temperature environment. The compression pump drives the refrigerant to move to the air-cooled condenser for air-cooled cooling, the air-cooled condenser cools the refrigerant through external low-temperature air, and the refrigerant is further compressed and cooled through the compression pump to realize circulating refrigeration.
The structure of the refrigeration box 30 can effectively form a low-temperature environment, the temperature requirement of the refrigeration cavity 301 is-50 ℃ in combination with the practical application scene of the cable, and the temperature in the refrigeration cavity 301 can be reduced to meet the test requirement through the structure of the refrigeration box 30, so that the test requirement of the low-temperature environment of the cable can be met.
Further, in this embodiment, the refrigeration box 30 further includes:
the waste heat recovery module 305 is specifically a recovery pipe, one end of the recovery pipe is communicated with the air-cooled condenser of the refrigeration box 30, and the other end is communicated to the hot air channel 204. Because the refrigeration box 30 can take away the heat of the refrigerant when the air-cooled condenser cools the refrigerant in the operation process, so that the temperature of the refrigeration box is raised to form hot air, the hot air outlet of the air-cooled condenser is communicated to the hot air channel 204, and the hot air generated in the air-cooled process of the air-cooled condenser is directly recycled to the heating box 20 to heat the heating cavity 201. The above structure can make full use of the waste heat of the refrigerating box 30, thereby reducing the energy consumption of the heating box 20 and further reducing the overall energy consumption of the device.
Further, in this embodiment, the temperature switching test apparatus further includes:
the Controller 70, the Controller 70 may specifically be a single chip or a PLC (Programmable Logic Controller) to realize a stable control function.
The first temperature sensor 80 is arranged in the heating cavity 201 and located on the upper portion of the inner side wall of the heating cavity 201 and used for sensing the internal temperature of the heating cavity 201 in real time, the first temperature sensor 80 is in signal connection with the controller 70 so as to input sensing signals into the controller 70, and the controller 70 can display the temperature in the heating cavity 201 in real time through a display device such as a capacitive screen.
Second temperature sensor 90, second temperature sensor 90 set up in refrigeration chamber 301, and are located the upper portion of refrigeration chamber 301 inside wall for real-time response refrigeration chamber 301's inside temperature, second temperature sensor 90 and controller 70 signal connection, in order to input the sensor signal into controller 70, the temperature in refrigeration chamber 301 is shown in real time to display devices such as controller 70 accessible capacitive screen.
The controller 70 is respectively in signal connection with the air heater and the refrigeration cycle assembly, and the controller 70 can automatically control the running power of the air heater and the refrigeration cycle assembly according to the sensing signals of the first temperature sensor 80 and the second temperature sensor 90 so as to realize the self-control regulation of the temperatures of the heating cavity 201 and the refrigeration cavity 301, so that the cable testing process is more intelligent. In other preferred embodiments, the controller 70 may also be in signal communication with the first and second drives 603 to control the movement of the fixture 40 and thus the performance of the cable testing process.
Further, in this embodiment, the temperature switching test apparatus further includes:
the photoelectric sensor 100 is arranged beside the stroke of the clamp 40 and used for sensing the clamp 40, and the photoelectric sensor 100 is in signal connection with the controller 70;
and the counter 110 is in signal connection with the controller 70.
In the cable testing process, the cable needs to meet the requirement of a certain number of times every time the cable goes back and forth in the heating cavity 201 and the refrigeration cavity 301 is recorded as testing once, so that the number of times the cable goes back and forth needs to be tested. When the clamp 40 passes through the sensing stroke, the photoelectric sensor 100 can generate a sensing signal, the photoelectric sensor 100 inputs the sensing signal into the controller 70, and the controller 70 outputs a counting signal to the counter 110 to count up the counter 110 by one. Through the structure, the round-trip times of the clamp 40, namely the testing times of the cable can be accumulated, and whether the cable meets the testing time requirement or not can be conveniently judged.
Further, in this embodiment, the entrance of the heating cavity 201 and the entrance of the refrigeration cavity 301 are both provided with a partition curtain, the upper end of the partition curtain is connected with the heating box 20/the refrigeration box 30, the lower end of the partition curtain is a free end, the partition curtain can isolate the heating cavity 201/the refrigeration cavity 301 from the external environment to a certain extent, heat exchange between the heating cavity 201/the refrigeration cavity 301 and the outside can be effectively reduced, the energy consumption of the device for operation is reduced, and the cable can not be obstructed to enter and exit the heating cavity 201/the refrigeration cavity 301.
The operation of the temperature switching test device of the present disclosure will be fully described in conjunction with the above.
The cable to be tested is clamped by the clamp 40, the air heater and the refrigeration cycle loop are started, the heating cavity 201 starts to heat, and the refrigeration cavity 301 starts to refrigerate. According to the test requirement, the threshold temperature is preset in the controller 70, and if the preset temperature in the heating cavity 201 is 35 ℃, the preset temperature in the refrigerating cavity 301 is-20 ℃, the heating box 20 is heated to 35 ℃, and the preset temperature in the refrigerating cavity 301 is-20 ℃, the preset threshold temperature is maintained.
The cable posture is adjusted to be horizontally towards the heating cavity 201 through the rotating mechanism 50, then the clamp 40 is controlled to horizontally slide through the traveling mechanism 60 until the cable is inserted into the heating cavity 201, so that the cable stays in the heating cavity 201 for 2-3s, then the traveling mechanism 60 controls the clamp 40 to retreat and reset, meanwhile, the rotating mechanism 50 drives the clamp 40 to horizontally rotate towards the refrigeration cavity 301, then the traveling mechanism 60 controls the clamp 40 to horizontally slide until the cable is inserted into the refrigeration cavity 301, so that the cable stays in the refrigeration cavity 301 for 2-3s, the traveling mechanism 60 controls the clamp 40 to retreat and reset, and the processes are repeated, so that the cable alternately enters the heating cavity 201 and the refrigeration cavity 301. The photoelectric sensor 100 and the counter 110 cooperate to accumulate the number of tests on the cable, and when the number of tests on the cable reaches 50000 times, the traveling mechanism 60 and the rotating mechanism 50 are stopped, and the operator is informed of the end of the test through a loudspeaker or an indicator light. An operator takes the cable down to observe whether the appearance of the cable has cracks or not, and simultaneously tests the toughness, conductivity and other properties of the cable, so that the tolerance of the cable to severe environments with large temperature difference, quick temperature difference change and the like can be tested, the performance of the cable can be fully tested, and the quality and the safety of a cable product can be improved.
In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the present disclosure, and in the absence of a contrary explanation, these directional terms are not intended to indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present disclosure.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present disclosure.
Claims (10)
1. A temperature switching test device for cables, comprising:
a frame;
the heating box is arranged on one side of the length direction of the rack, and a heating cavity is formed in the heating box; the heating box is provided with a heating component for heating the heating cavity;
the refrigeration box is arranged on the other side of the rack in the length direction, and a refrigeration cavity is formed in the refrigeration box; the refrigeration box is provided with a refrigeration assembly used for cooling the refrigeration cavity;
the clamp is arranged on the rack and used for clamping a cable;
the rotating mechanism is linked with the clamp and is used for driving the clamp to rotate;
running gear, running gear sets up the heating cabinet with between the refrigeration case, running gear with the anchor clamps linkage is used for driving anchor clamps are in the heating cabinet with walk between the refrigeration case to make the cable get into in turn the heating chamber with the refrigeration chamber.
2. The apparatus according to claim 1, wherein the clamp comprises two opposite clamping arms, the two clamping arms are movably connected to enable the two clamping arms to be opened or closed relatively, a clamping groove for clamping the cable is formed on a surface of the two clamping arms opposite to each other, and the clamping groove is semicircular.
3. The apparatus for testing the temperature switching of a cable according to claim 1, wherein said rotating mechanism comprises:
the base is arranged on the rack;
the rotating disc is rotatably connected with the base, so that the rotating disc can rotate relative to the base, and the clamp is connected with the rotating disc;
the first driving piece is linked with the rotating disc and used for driving the rotating disc to rotate.
4. The apparatus for testing temperature switching of a cable according to claim 3, wherein the traveling mechanism comprises:
the guide piece is arranged on the rack and extends along the length direction of the rack;
the sliding piece is arranged on the guide piece in a sliding mode, and the base is arranged on the sliding piece;
a second driving member;
and the second driving piece is linked with the sliding piece through the transmission assembly and is used for driving the sliding piece to slide on the guide piece through the transmission assembly.
5. The apparatus for temperature-switching testing of cables of claim 1, wherein the heating box comprises:
the heating cavity is formed in the first box body, and a hot air channel communicated with the heating cavity is formed in the first box body;
the heating component is an air heater which is arranged beside the first box body, is communicated with the hot air channel and is used for outputting hot air to the hot air channel.
6. The cable temperature switching test device of claim 5, wherein the refrigeration cassette comprises:
the refrigeration cavity is formed in the second box body, and a cold air channel communicated with the refrigeration cavity is formed in the second box body;
the refrigeration assembly is a refrigeration circulation loop which is arranged beside the second box body, is communicated with the cold air channel and is used for outputting cold air to the cold air channel.
7. The cable temperature switching test device of claim 6, wherein the refrigeration cassette further comprises:
and the waste heat recovery assembly is communicated with the hot air channel and is used for recovering waste heat.
8. The apparatus for testing temperature switching of a cable according to claim 7, further comprising:
a controller;
the first temperature sensor is arranged in the heating cavity and is in signal connection with the controller;
the second temperature sensor is arranged in the refrigerating cavity and is in signal connection with the controller;
the controller is respectively in signal connection with the hot air blower and the refrigeration cycle assembly.
9. The apparatus for testing temperature switching of a cable according to claim 8, further comprising:
the photoelectric sensor is arranged beside the stroke of the clamp and used for sensing the clamp, and the photoelectric sensor is in signal connection with the controller;
and the counter is in signal connection with the controller.
10. A temperature switch test device of a cable according to any one of claims 1 to 9, wherein a curtain is provided at the entrance of each of the heating chamber and the refrigeration chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185984.XA CN114578157A (en) | 2022-02-28 | 2022-02-28 | Temperature switching testing device for cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210185984.XA CN114578157A (en) | 2022-02-28 | 2022-02-28 | Temperature switching testing device for cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114578157A true CN114578157A (en) | 2022-06-03 |
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ID=81771710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210185984.XA Pending CN114578157A (en) | 2022-02-28 | 2022-02-28 | Temperature switching testing device for cable |
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| CN (1) | CN114578157A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112973A (en) * | 2022-06-16 | 2022-09-27 | 中交机电工程局有限公司 | Cable current-carrying capacity simulation test device under different ambient temperatures |
-
2022
- 2022-02-28 CN CN202210185984.XA patent/CN114578157A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115112973A (en) * | 2022-06-16 | 2022-09-27 | 中交机电工程局有限公司 | Cable current-carrying capacity simulation test device under different ambient temperatures |
| CN115112973B (en) * | 2022-06-16 | 2023-08-08 | 中交机电工程局有限公司 | Cable current-carrying capacity simulation test device under different ambient temperatures |
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