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CN-224203623-U - Constant temperature control system of oil chromatography on-line monitoring device

CN224203623UCN 224203623 UCN224203623 UCN 224203623UCN-224203623-U

Abstract

The utility model provides a constant temperature control system of an oil chromatograph on-line monitoring device, which comprises a substrate, wherein a frame is fixedly arranged at the top of the substrate, a bearing plate is fixedly arranged at the top of the frame, a box body is fixedly arranged at the top of the bearing plate, a driving mechanism is arranged at the rear end of the box body, the driving mechanism is fixedly arranged on the front surface of the box body, the driving mechanism is matched with the bearing mechanism, the use efficiency of the device can be further improved, a driving motor drives a gear, a toothed ring and a slip ring to rotate in the temperature control process during the use period, the bearing mechanism is enabled to rotate, chromatographic columns are driven to rotate between inner and outer heating wires to achieve uniform temperature rise, or the bearing plate is fully contacted with radiating air to improve the radiating effect, a front sealing door of the box body is fixed through a locking screw rod, the screw rod is released to withdraw the sliding plate when the chromatographic columns are required to be taken out, the bearing net barrel can be conveniently assembled and disassembled, the operation flow is simplified, and the convenience and the flexibility of the device in use are enhanced.

Inventors

  • QU YATING
  • ZHANG CAN

Assignees

  • 上海竑昱机电设备有限公司

Dates

Publication Date
20260505
Application Date
20250717

Claims (7)

  1. 1. The constant temperature control system of the oil chromatograph on-line monitoring device is characterized by comprising a base plate (1), wherein a frame (2) is fixedly arranged at the top of the base plate (1), a bearing plate (3) is fixedly arranged at the top of the frame (2), a box body (4) is fixedly arranged at the top of the bearing plate (3), a driving mechanism (5) is arranged at the rear end of the box body (4), a bearing mechanism (6) is fixedly arranged at the front surface of the driving mechanism (5) in the box body (4), a temperature control mechanism (7) is arranged in the box body (4), the bearing mechanism (6) is arranged at the inner side of the temperature control mechanism (7), a temperature sensor (12) is fixedly arranged at one side of the rear end in the box body (4), a ventilation mechanism (8) is arranged at the top of the box body (4), a sealing door (9) is rotatably connected to the front surface of the box body (4), and the sealing door (9) is sealed on the front surface of the box body (4). The temperature control mechanism (7) comprises an outer heating wire (71), an inner heating wire (72) and an exhaust assembly (73), wherein the outer heating wire (71) is fixedly connected to the inner side and the outer side of the box body (4), the inner heating wire (72) is fixedly connected to the inner side and the inner side of the box body (4), the bearing mechanism (6) is arranged between the outer heating wire (71) and the inner side of the inner heating wire (72), the exhaust assembly (73) is fixedly installed at the inner middle part of the box body (4), and the exhaust assembly (73) is arranged at the inner side of the inner heating wire (72).
  2. 2. The constant temperature control system of an oil chromatograph on-line monitoring device according to claim 1, wherein the driving mechanism (5) comprises a fixed seat (51) and an annular rail (52), the annular rail (52) is fixedly installed at the inner rear end of the box body (4), the fixed seat (51) is fixedly installed at the inner upper end of the back of the box body (4), a slip ring (53) is slidably connected in the annular rail (52), the front surface of the slip ring (53) is connected with the bearing mechanism (6), a driving motor (54) is fixedly installed at the back of the fixed seat (51), the output end of the driving motor (54) penetrates through the fixed seat (51) and the box body (4) and is fixedly connected with a gear (55), the inner side of the slip ring (53) is fixedly connected with a toothed ring (56), and the toothed ring (56) is in meshed connection with a rack.
  3. 3. The constant temperature control system of the oil chromatography on-line monitoring device according to claim 1, wherein the exhaust assembly (73) comprises an air pump (731), the air pump (731) is fixedly installed in the middle of the back surface of the box body (4), an output end of the air pump (731) penetrates through the box body (4) and is fixedly connected with a main pipeline (732), and auxiliary exhaust pipes (733) are fixedly connected to the outer surface of the main pipeline (732) in an annular arrangement at equal intervals.
  4. 4. The constant temperature control system of an oil chromatograph on-line monitoring device according to claim 1, wherein the bearing mechanism (6) comprises a guide rail (61), the guide rail (61) is fixedly installed on two sides of the front face of the slip ring (53), a sliding plate (62) is slidably connected in the guide rail (61), mounting rings (63) are fixedly installed at front and rear ends of the inner side of the sliding plate (62), a bearing net barrel (64) is fixedly connected on the inner side of the mounting rings (63) at equal intervals, and chromatographic columns (65) are placed in the bearing net barrel (64).
  5. 5. The constant temperature control system of the oil chromatography on-line monitoring device according to claim 1, wherein a locking screw (10) is connected to the front lower end of the sealing door (9) in a threaded manner, the locking screw (10) is a hand screw, and the end part of the locking screw (10) penetrates through the sealing door (9).
  6. 6. The constant temperature control system of the oil chromatography on-line monitoring device according to claim 5, wherein a limit hole (11) is formed in the front lower end of the box body (4), and the end part of the locking screw (10) is inserted into the limit hole (11).
  7. 7. The constant temperature control system of an oil chromatograph on-line monitoring device according to claim 2, wherein the ventilation mechanism (8) comprises a fixing frame (81) and a radiating window (82), the radiating window (82) is arranged at the top of the box body (4), the fixing frame (81) is fixedly arranged at the upper end of the back of the box body (4), the fixing frame (81) is arranged at the top of the driving motor (54), an electric push rod (83) is fixedly arranged at the upper end of the fixing frame (81), a shielding plate (84) is fixedly arranged at the output end of the electric push rod (83), the shielding plate (84) covers the top of the radiating window (82), and a protective screen (85) is arranged inside the radiating window (82) through bolts.

Description

Constant temperature control system of oil chromatography on-line monitoring device Technical Field The utility model relates to the technical field of oil chromatography monitoring, in particular to a constant temperature control system of an oil chromatography on-line monitoring device. Background In a modern power system, a transformer is used as core equipment, the safe and stable operation of the transformer directly relates to the reliability and stability of a power grid, and an online monitoring device for dissolved gas in oil can effectively capture the change of insulating oil and operation parameters by means of real-time monitoring and analysis of the dissolved gas in the insulating oil of the transformer, accurately identify hidden fault hidden trouble of equipment and judge fault types, provide key data support for grasping the operation state of the transformer, and is an important means for guaranteeing the safe operation of the transformer and the power grid; However, the on-line monitoring constant temperature device for the dissolved gas in the transformer oil on the current market has obvious defects that on one hand, the on-site operation environment of the monitoring device is complex and changeable, the temperature difference is extremely large, the performance of key parts such as a chromatographic column in the monitoring device is seriously affected in a low-temperature environment, the device cannot be started to operate normally, the deviation of a measurement result can occur, the real state of a transformer cannot be accurately reflected, on the other hand, the high-temperature environment also causes damage to the monitoring device, the excessively high temperature can interfere the gas separation and detection process in the chromatographic column, the detection data is distorted, whether the transformer has faults or not is difficult to effectively judge, and in addition, the existing constant temperature device mostly adopts a simple temperature control strategy, cannot be quickly and accurately adjusted according to the severe change of the environmental temperature, and is difficult to realize stable control of the temperature of the chromatographic column, so that the adaptability of the monitoring device in the complex environment is poor, the on-line monitoring accuracy and reliability of the dissolved gas in the transformer oil are seriously restricted, and therefore the constant temperature control device needs to be designed. Disclosure of utility model In order to solve the above problems, the present utility model proposes a constant temperature control system of an oil chromatography on-line monitoring device, so as to solve the above problems more precisely. The utility model is realized by the following technical scheme: The utility model provides a constant temperature control system of an oil chromatograph on-line monitoring device, which comprises a substrate, wherein a frame is fixedly arranged at the top of the substrate, a bearing plate is fixedly arranged at the top of the frame, a box body is fixedly arranged at the top of the bearing plate, a driving mechanism is arranged at the rear end of the box body, a bearing mechanism is fixedly arranged at the front surface of the driving mechanism in the box body, a temperature control mechanism is arranged in the box body, the bearing mechanism is arranged at the inner side of the temperature control mechanism, a temperature sensor is fixedly arranged at one side of the rear end in the box body, a ventilation mechanism is arranged at the top of the box body, a sealing door is rotationally connected to the front surface of the box body, and the sealing door is sealed at the front surface of the box body; The temperature control mechanism comprises an outer heating wire, an inner heating wire and an exhaust assembly, wherein the outer heating wire is fixedly connected to the inner side and the outer side of the box body, the inner heating wire is fixedly connected to the inner side and the outer side of the box body, the bearing mechanism is arranged between the outer heating wire and the inner side of the inner heating wire, the exhaust assembly is fixedly arranged in the middle of the box body, and the exhaust assembly is arranged on the inner side of the inner heating wire. Further, actuating mechanism includes fixing base and annular rail, annular rail fixed mounting is in the box inner rear end, fixing base fixed mounting is in the box inner back upper end, the inside sliding connection of annular rail has the sliding ring, the front of sliding ring is connected with bearing mechanism, the back fixed mounting of fixing base has driving motor, driving motor's output runs through fixing base and box fixedly connected with gear, the inboard fixedly connected with ring gear of sliding ring, ring gear and rack meshing are connected. Further, the exhaust assembly comprises an air pump, the air pump is fixedly arr