Subway high-low voltage equipment monitoring device

By using contact-type arrangement components and limit locking structure, the accuracy problem of copper busbar temperature monitoring in high and low voltage equipment is solved, achieving precise temperature control management and stability of the clamping strap, improving monitoring accuracy and preventing breakage.

CN224095292UActive Publication Date: 2026-04-07哈尔滨地铁集团有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-06-06
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing high and low voltage equipment uses non-contact monitoring methods for copper busbar temperature monitoring, which result in large errors and make it difficult to achieve precise temperature control management.

Method used

The system employs a contact-type arrangement component, including a docking half-ring, a clamping strap, and a helical tooth structure, to ensure tight contact between the temperature sensor probe and the copper busbar of the distribution cabinet. Poor contact is prevented through a limiting and locking structure, and the clamping strap, made of insulating and heat-resistant material, is used to prevent breakage.

Benefits of technology

It improves the accuracy of temperature monitoring, reduces measurement errors, achieves precise temperature control management, and prevents the strapping from breaking during the pulling process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a subway high-low voltage equipment monitoring device, which belongs to the technical field of high-low voltage equipment monitoring and comprises a temperature sensor probe. The wire harness is arranged at one end of the temperature sensor probe; the limiting baffle ring is arranged on the outer side wall of the temperature sensor probe; the power distribution cabinet copper bar is arranged on one side of the other end of the temperature sensor probe; the contact type arrangement assembly is arranged on the outer side of the temperature sensor probe; the contact type arrangement assembly comprises two butt joint semi-rings arranged on the outer side wall of the temperature sensor probe in a sleeving mode. According to the utility model, the probe of the temperature sensor is tightly attached to the surface of the copper bar of the power distribution cabinet through the contact type arrangement assembly, on one hand, the precision of temperature monitoring data can be ensured, the interference of uncertain factors is avoided and the subsequent precise temperature control management is facilitated by utilizing contact type temperature monitoring, and on the other hand, the tight contact is ensured; and measurement errors caused by poor contact are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to high low pressure equipment monitoring technical field, concretely relates to a subway high low pressure equipment monitoring device. BACKGROUND

[0002] The subway must be equipped with high voltage distribution cabinet and low voltage distribution cabinet in operation, they are the core equipment of power supply system normal operation, in order to guarantee the use safety of high low voltage switchgear, most will be monitored by monitoring device, especially the temperature monitoring of copper bar in distribution cabinet, avoid the problem that copper bar steady is too high and causes internal heat accumulation damage electrical element.

[0003] The copper bar temperature in the existing high low pressure equipment is mostly monitored by non-contact, this monitoring mode is disturbed by many factors, and the monitored data also has certain error, so it is inconvenient to carry out precision temperature control management.

[0004] Therefore, a subway high low pressure equipment monitoring device is provided. SUMMARY

[0005] The utility model provides a subway high low pressure equipment monitoring device, and its purpose is to solve the problem proposed above.

[0006] The utility model embodiment provides a subway high low pressure equipment monitoring device, including temperature sensor probe, the wire harness of one end of temperature sensor probe, and the limit baffle ring of temperature sensor probe outer lateral wall, the distribution cabinet copper bar of one side position of the other end of temperature sensor probe, the contact type arrangement component of temperature sensor probe outside, wherein, the contact type arrangement component includes: two butt joint half rings of temperature sensor probe outer lateral wall, the fixed table of one butt joint half ring outer lateral wall, the tight band of fixed table one side outer wall, the bevel gear one of one piece of tight band outer lateral wall, and the handle of one end of tight band, the fixed frame of another butt joint half ring outer lateral wall, the bevel gear two of one piece of fixed frame inner lateral wall.

[0007] Further, the contact type arrangement component further includes a sliding table sleeved on the outer lateral wall of the tight band, and a clamping seat is arranged at the central position of the outer lateral wall of the sliding table.

[0008] Further, the two butt joint half rings are fixedly connected through bolts, and the annular structure formed by the combination of the two butt joint half rings has an inner radius smaller than the outer radius of the limit baffle ring.

[0009] By adopting the above technical scheme, the device can be arranged outside the temperature sensor probe through the two butt joint half rings, and the two butt joint half rings are limited by the limit baffle ring, so that the two butt joint half rings cannot approach the distribution cabinet copper bar.

[0010] Further, the cross sections of the oblique tooth one and the oblique tooth two are right-angled triangles, and the oblique tooth one and the oblique tooth two are engaged, and the side inclined surfaces of the oblique tooth one and the oblique tooth two are horizontal.

[0011] By adopting the above technical scheme, the oblique tooth one and the oblique tooth two can be engaged with each other, and the position of the tightening band can be limited.

[0012] Further, the clamping seat is matched with the copper bar of the power distribution cabinet.

[0013] By adopting the above technical scheme, the clamping seat is clamped on the outside of the copper bar of the power distribution cabinet, the tightening band is prevented from contacting the copper bar of the power distribution cabinet, the tightening band is facilitated to be pulled, and the tightening band is prevented from being broken due to scratching of the copper bar of the power distribution cabinet.

[0014] Further, the tightening band can pass through the fixing frame.

[0015] By adopting the above technical scheme, the tightening band is limited by the fixing frame, the length of the tightening band is adjusted, and the tightening band is made of insulating and heat-insulating material.

[0016] The utility model discloses the beneficial effect that:

[0017] The utility model discloses a contact type arrangement assembly makes temperature sensor probe and power distribution cabinet copper bar surface close adhesion, on one hand, utilizes the temperature monitoring of contact type, can guarantee the precision of temperature monitoring data, avoids the interference of uncertain factor, and the subsequent precision temperature control management is convenient, the other side guarantees the close contact, avoids the measurement error due to the poor contact, further improves the precision of monitoring, and the clamping seat is used as the stress point of pulling the tightening band, not only convenient for the smooth pulling of the tightening band, but also can avoid the breakage of the tightening band due to the scratching of the copper bar of the power distribution cabinet.

[0018] Other features and advantages of the present utility model will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following specification or can be learned from practice of the present utility model. The objects and other advantages of the present utility model can be realized and obtained by means of the structures particularly pointed out in the description and the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the present utility model, and constitute a part of the specification, and are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute the limitation to the present utility model. In the drawings:

[0020] Figure 1 The schematic diagram is used for the embodiment of the present utility model;

[0021] Figure 2A structure schematic view of an embodiment of the present application;

[0022] Figure 3 A sectional structure schematic view of an embodiment of the present application;

[0023] Figure 4 A temperature sensor probe structure schematic view of an embodiment of the present application;

[0024] The drawing mark: 1, temperature sensor probe; 2, wire harness; 3, limit stop ring; 4, power distribution cabinet copper bar; 5, contact type arrangement assembly; 51, butt joint half ring; 52, fixed platform; 53, tight band; 54, helical tooth one; 55, handle; 56, fixed frame; 57, helical tooth two; 58, sliding platform; 59, clamping seat. DETAILED DESCRIPTION

[0025] In order to make the technical scheme of the present application, the purpose, technical scheme and advantages more clear, the following will be combined with the drawings of the specific embodiments of the present application, the technical scheme of the present application is described clearly and completely. The same reference signs in the drawings represent the same parts. It should be noted that the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the described embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0026] Referring to Figures 1-4 The present application embodiment proposes a kind of subway high-low voltage equipment monitoring device, including temperature sensor probe 1, wire harness 2 is arranged at the one side end central position of temperature sensor probe 1, and one end of wire harness 2 is electrically connected with temperature sensor, limit stop ring 3 is arranged on the outer wall of temperature sensor probe 1, and one side position of the other side end of temperature sensor probe 1 is provided with power distribution cabinet copper bar 4, power distribution cabinet copper bar 4 is installed and fixed in high-low voltage power distribution cabinet in subway power distribution room, and power distribution cabinet copper bar 4 is used for low-voltage power transmission;

[0027] The outer side of the temperature sensor probe 1 is provided with two half-rings 51 in the contact arrangement assembly 5 on one side close to the limiting ring 3, the two half-rings 51 are fixed by bolts, and the inner radius of the ring structure formed by the two half-rings 51 is smaller than the outer radius of the limiting ring 3. The device can be arranged on the outer side of the temperature sensor probe 1 through the two half-rings 51, and the two half-rings 51 are limited by the limiting ring 3, so as to avoid the two half-rings 51 from approaching the copper bar 4 of the power distribution cabinet. One of the half-rings 51 is provided with a fixed table 52 on the central position of the outer side wall, and a tightening belt 53 is arranged on the outer side wall of the half-ring 51 adjacent to the fixed table 52. The outer side wall of the tightening belt 53 is integrally formed with a bevel gear one 54, and one end of the tightening belt 53 is provided with a handle 55. The other half-ring 51 is provided with a fixed frame 56 on the central position of the outer side wall, and the tightening belt 53 can pass through the fixed frame 56. The length of the tightening belt 53 can be adjusted by the fixed frame 56. The tightening belt 53 is made of insulating and heat insulating material. The inner wall of one side of the fixed frame 56 is provided with a bevel gear two 57. The cross sections of the bevel gear one 54 and the bevel gear two 57 are both right-angled triangles, and the bevel gear one 54 and the bevel gear two 57 are engaged. The side slopes of the bevel gear one 54 and the bevel gear two 57 are horizontal. The bevel gear one 54 and the bevel gear two 57 can be engaged with each other, so as to limit the position of the tightening belt 53. A sliding table 58 is sleeved on the outer side wall of the tightening belt 53. A clamping seat 59 is arranged on one side of the outer side wall of the sliding table 58 close to one side of the power distribution cabinet copper bar 4. The clamping seat 59 is matched with the power distribution cabinet copper bar 4, so as to facilitate the clamping of the clamping seat 59 on the outer side of the power distribution cabinet copper bar 4, avoid the hard contact between the tightening belt 53 and the power distribution cabinet copper bar 4, facilitate the pulling of the tightening belt 53, and avoid the breakage of the tightening belt 53 caused by scratching of the power distribution cabinet copper bar 4 during pulling.

[0028] The embodiment is specific: when monitoring the internal temperature of the high and low voltage power distribution cabinet in the subway room, two limiting rings 3 are sleeved on the outer side of the temperature sensor probe 1, and are fixed by bolts. The temperature sensor probe 1 on the temperature sensor is attached to the power distribution cabinet copper bar 4 in the high and low voltage power distribution cabinet. The sliding table 58 is slid on the tightening belt 53, and the clamping seat 59 is sleeved on the outer side of the power distribution cabinet copper bar 4. At this time, the tightening belt 53 is sleeved on the outer side of the power distribution cabinet copper bar 4. After holding the handle 55, the one end of the tightening belt 53 is pulled. After the one end of the tightening belt 53 is pulled, the bevel gear one 54 on the tightening belt 53 moves in the fixed frame 56. Under the guidance of the inclined surfaces on the bevel gear one 54 and the bevel gear two 57, the tightening belt 53 moves unidirectionally. The temperature sensor probe 1 and the power distribution cabinet copper bar 4 are in close contact by the tension of the tightening belt 53, so as to avoid measurement error caused by poor contact.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A monitoring device for high and low voltage equipment in a subway system, characterized in that: Includes a temperature sensor probe (1); A wire harness (2) is disposed at one end of the temperature sensor probe (1); and A limiting ring (3) is provided on the outer wall of the temperature sensor probe (1); A copper busbar (4) of the distribution cabinet is located at one side of the other end of the temperature sensor probe (1); A contact arrangement assembly (5) is located on the outside of the temperature sensor probe (1); The contact arrangement component (5) includes: Two mating half-rings (51) are sleeved on the outer wall of the temperature sensor probe (1); A fixing platform (52) is provided on the outer wall of one of the docking semi-rings (51); A fastening strap (53) is provided on the outer wall of one side of the fixed platform (52); The oblique tooth (54) integrally formed on the outer side wall of the tightening strap (53); and A handle (55) is provided at one end of the tightening strap (53); A fixing frame (56) is provided on the outer wall of the other of the said docking half rings (51); The second oblique tooth (57) is integrally formed on the inner side wall of the fixed frame (56).

2. The monitoring device for high and low voltage equipment in a subway as described in claim 1, characterized in that: The contact arrangement assembly (5) also includes a sliding table (58) sleeved on the outer wall of the tie band (53), and a card seat (59) is provided at the center of one side of the outer wall of the sliding table (58).

3. The monitoring device for high and low voltage equipment in a subway as described in claim 1, characterized in that: The two docking half-rings (51) are fixed together by bolts, and the inner radius of the ring structure formed by the combination of the two docking half-rings (51) is smaller than the outer radius of the limiting stop ring (3).

4. A monitoring device for high and low voltage equipment in a subway system according to claim 1, characterized in that: The cross-sections of the first helical tooth (54) and the second helical tooth (57) are both right-angled triangles, and the first helical tooth (54) and the second helical tooth (57) mesh with each other. One side of the inclined surface of the first helical tooth (54) and the second helical tooth (57) is horizontal.

5. A monitoring device for high and low voltage equipment in a subway system according to claim 2, characterized in that: The card holder (59) is compatible with the copper busbar (4) of the power distribution cabinet.

6. A monitoring device for high and low voltage equipment in a subway system according to claim 1, characterized in that: The tightening strap (53) can pass through the fixing frame (56).