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CN-224230991-U - Insulation oil dielectric loss and resistivity measuring device

CN224230991UCN 224230991 UCN224230991 UCN 224230991UCN-224230991-U

Abstract

The utility model relates to the technical field of electronic detection instruments, in particular to an insulating oil dielectric loss and resistivity measuring device which comprises a measuring cup, a defoaming component, a temperature control component, a humidity control component and an integrated test component, wherein the measuring cup is arranged in a measuring box, the defoaming component is arranged on the lower side of the measuring cup and is electrically connected with a control module, the temperature control component is arranged on the side wall of the measuring cup and is electrically connected with the control module, the humidity control component is arranged on the side wall of the measuring box and is electrically connected with the control module, the integrated test component is arranged in the measuring box and is electrically connected with the control module, a supply pump component is further arranged between the integrated test component and the measuring cup, and the supply pump component is electrically connected with the control module.

Inventors

  • JIANG LUHAI
  • WANG XIN

Assignees

  • 新疆鑫顺然电力科技有限公司

Dates

Publication Date
20260512
Application Date
20250715

Claims (8)

  1. 1. A dielectric loss and resistivity measuring device for insulating oil is characterized by comprising A measuring cup (1), wherein the measuring cup (1) is arranged in a measuring box (2); The defoaming component (3), the defoaming component (3) is arranged at the lower side of the measuring cup (1), and the defoaming component (3) is electrically connected with the control module (16); The temperature control assembly (4) is arranged on the side wall of the measuring cup (1), and the temperature control assembly (4) is electrically connected with the control module (16); The humidity control assembly (5), the said humidity control assembly (5) is installed on the said measuring box (2) sidewall, and the said humidity control assembly (5) and said control module (16) electrical connection; The integrated test assembly (6), the integrated test assembly (6) is installed in the measurement box (2), just integrated test assembly (6) with control module (16) electric connection, integrated test assembly (6) with still install supply pump subassembly (7) between measurement cup (1), supply pump subassembly (7) with control module (16) electric connection.
  2. 2. The insulating oil dielectric loss and resistivity measuring device according to claim 1, wherein the defoaming assembly (3) comprises an ultrasonic generator (8), and the ultrasonic generator (8) is arranged at the bottom of the measuring cup (1).
  3. 3. The insulating oil dielectric loss and resistivity measuring device according to claim 1, wherein the temperature control assembly (4) comprises a heater (9), the heater (9) is mounted on the side wall of the measuring cup (1), a precise temperature sensor (10) is further mounted on the side wall of the measuring cup (1), and the heater (9) and the precise temperature sensor (10) are electrically connected with the control module (16).
  4. 4. The insulating oil dielectric loss and resistivity measuring device according to claim 3, wherein the temperature control assembly (4) further comprises a refrigerator (11), the refrigerator (11) is mounted on the side wall of the measuring cup (1), and the refrigerator (11) is electrically connected with the control module (16).
  5. 5. The insulating oil dielectric loss and resistivity measuring device according to claim 1, wherein the humidity control assembly (5) comprises a dryer (12), the dryer (12) is arranged on the side wall of the measuring box (2), and the dryer (12) is electrically connected with the control module (16).
  6. 6. The insulating oil dielectric loss and resistivity measuring device according to claim 1, wherein the supply pump assembly (7) comprises a peristaltic pump (13), and two ends of the peristaltic pump (13) are respectively connected with the middle part of the measuring cup (1) and the integrated testing assembly (6).
  7. 7. The insulating oil dielectric loss and resistivity measuring device according to claim 1, wherein a cup cover (14) is further arranged on the measuring cup (1), and ventilation holes are formed in the cup cover (14).
  8. 8. The insulating oil breakdown and resistivity measuring device according to claim 1, further comprising a battery assembly (15), wherein the battery assembly (15) is electrically connected with the control module (16).

Description

Insulation oil dielectric loss and resistivity measuring device Technical Field The utility model relates to the technical field of electronic detection instruments, in particular to a dielectric loss and resistivity measuring device for insulating oil. Background The insulating oil is used as an important liquid insulating material, has irreplaceable functions in power systems and a plurality of industrial fields, and is widely applied to transformer insulation and heat dissipation, capacitor energy storage and medium reinforcement, chemical equipment cooling and sealing and the like. Dielectric loss value, dielectric constant and volume resistivity are three important indexes of the insulating material, and the standard reaching degree of the three important indexes is related to the safety performance of the power equipment. Dielectric loss reflects the efficiency of converting electric energy into heat energy of insulating oil in an alternating electric field, and volume resistivity directly reflects the blocking capacity of the oil to current. Dielectric loss and resistivity measurement are core means for monitoring the oil insulating performance, and the dielectric loss and the resistivity measurement form double insurance of the oil insulating performance together. Through the dynamic monitoring of the two indexes, equipment faults can be effectively prevented, the service life can be prolonged, and scientific basis is provided for oil treatment. The prior application publication No. CN222318944U discloses a full-automatic dielectric loss and resistivity tester for insulating oil, which is used for testing dielectric loss and resistivity of the insulating oil. However, the above measurement method does not consider the influence of bubbles and environmental conditions. The insulating oil is mixed with bubbles after being used for a period of time, and the insulating oil is measured in a specific working environment, otherwise, a large error occurs in the measurement of the insulating oil. Therefore, those skilled in the art have been working to develop an insulating oil dielectric loss and resistivity measuring device, which reduces the influence of bubbles and detection environments on the insulating oil performance test and improves the measurement accuracy. Disclosure of utility model The utility model aims to solve the technical problem of providing an insulating oil dielectric loss and resistivity measuring device, which reduces the influence of bubbles and detection environments on the insulating oil performance test and improves the measurement accuracy. The technical scheme for solving the technical problems is as follows: An insulating oil dielectric loss and resistivity measuring device comprises The measuring cup is arranged in the measuring box; The defoaming component is arranged on the lower side of the measuring cup and is electrically connected with the control module; The temperature control assembly is arranged on the side wall of the measuring cup and is electrically connected with the control module; the humidity control assembly is arranged on the side wall of the measuring box and is electrically connected with the control module; The integrated test assembly is arranged in the measuring box and is electrically connected with the control module, and a supply pump assembly is further arranged between the integrated test assembly and the measuring cup and is electrically connected with the control module. The scheme has the beneficial effects that the defoaming component electrically connected with the control module is arranged at the lower side of the measuring cup, so that bubbles mixed in the insulating oil in the using process can be effectively treated, the influence of the bubbles on a measuring result is reduced, the measuring accuracy is improved, the measurement of dielectric loss and resistivity of the insulating oil is more approximate to a true value, and a more reliable basis is provided for equipment state evaluation; The temperature control assembly is arranged on the side wall of the measuring cup and is electrically connected with the control module, so that the insulating oil in the measuring cup can be accurately temperature-controlled, the oil is ensured to be tested at a proper and stable temperature, the measurement error caused by temperature fluctuation is avoided, the humidity control assembly is arranged on the side wall of the measuring box and is electrically connected with the control module, the humidity in the measuring environment can be effectively controlled, the bad influence on the performance of the insulating oil and the measuring process caused by too high or too low humidity is prevented, the measuring precision is further improved, and the reliability of the test result is ensured. On the basis of the technical scheme, the utility model can be improved as follows. Further, the defoaming assembly includes an ultrasonic generator mounted to