An installation structure and a wiring structure of a power distribution cabinet heat monitoring sensor

Abstract

The application relates to the technical field of power distribution equipment monitoring, in particular to a mounting structure and wiring structure of a power distribution cabinet heating monitoring sensor, which comprises a power distribution cabinet box, a sensor mounting seat is fixedly installed in the power distribution cabinet box, a plurality of sliding seats are slidingly installed in the sensor mounting seat, a sensor adjusting base is fixedly installed on the sliding seat, sensor fixing adjusting seat installation grooves are formed at the two ends of the sensor mounting seat; sliding blocks are slidingly installed on the left and right ends of the sensor adjusting base, second return springs are fixedly installed on the upper surfaces of the sliding blocks, the other ends of the second return springs are fixedly installed on the sensor adjusting base, the second return springs are located on the two sides of the sliding blocks, through-hole sliding grooves are formed in the sliding blocks, the through-hole sliding grooves are located at the center positions of the second return springs, and a sensor fixing seat is arranged above the sensor adjusting base; the heating monitoring sensor can be quickly replaced and temperature measurement and verification operation can be quickly completed, and the power distribution operation and maintenance efficiency is greatly improved.

Description

Technical Field

[0001] This invention relates to the installation structure and wiring structure of a heat monitoring sensor for a power distribution cabinet, belonging to the field of power distribution equipment monitoring technology. Background Technology

[0002] As the core power distribution equipment in the power transmission and distribution system, the distribution cabinet contains molded case circuit breakers and conductive copper busbars, which are the main current-carrying components. Under long-term high-current operation, they are prone to overheating. If the overheating temperature exceeds the standard and is not monitored in time, it can easily lead to power safety accidents such as line aging, insulation breakdown, cabinet short circuit and fire. Therefore, the industry generally uses heat monitoring sensors to monitor the operating temperature of copper busbars and circuit breakers in real time to ensure the safe operation of power distribution equipment.

[0003] Existing sensors are mostly fixed by drilling screws or cable ties, requiring tools such as screwdrivers and pliers for disassembly, assembly, and maintenance. This makes it inconvenient to work in the confined space inside the cabinet, resulting in extremely low efficiency for sensor replacement and temperature measurement calibration. Furthermore, existing fixing structures are mostly single-point fixed installations, which cannot flexibly adjust the temperature measurement point laterally according to the copper busbar layout and circuit position inside the cabinet. They also cannot adapt to copper busbars of different thicknesses for temperature measurement, resulting in poor adaptability.

[0004] Therefore, it is urgent to improve the installation structure and wiring structure of a power distribution cabinet heating monitoring sensor to solve the above-mentioned problems. Summary of the Invention

[0005] To achieve the above objectives, the main technical solution adopted by the present invention includes a power distribution cabinet box, in which a sensor mounting base is fixedly installed, and several sliding seats are slidably installed inside the sensor mounting base. A sensor adjustment base is fixedly installed on the sliding seats, and sensor fixing adjustment base mounting slots are opened at both ends of the sensor mounting base. The sensor adjustment base has sliding blocks mounted on its left and right ends. A second return spring is fixedly mounted on the upper surface of the sliding block. The other end of the second return spring is fixedly mounted on the sensor adjustment base. The second return spring is located on both sides of the sliding block. The sliding block has a through-hole groove, which is located at the center of the second return spring. A sensor fixing seat is provided above the sensor adjustment base. Fixing seat locking rods are fixedly connected to both ends of the sensor fixing seat. The fixing seat locking rods are slidably mounted in the through-hole groove.

[0006] Preferably, a plurality of spring pieces are rotatably mounted on one end of the locking rod of the fixed seat. The spring pieces are located at the lower end of the through hole groove of the sliding block, and the spring pieces are pressed against the bottom end of the sliding block. A spring piece return spring is fixedly connected to one side of the spring piece inside the locking rod of the fixed seat. The other end of the spring piece return spring is fixedly connected to the inside of the locking rod of the fixed seat, and the spring piece is completely retracted inside the locking rod of the fixed seat after being compressed.

[0007] Preferably, a spring clip restraint sleeve is provided below the spring clip, and the inner diameter of the spring clip restraint sleeve is larger than the diameter of the fixing seat locking rod, so that the fixing seat locking rod can slide normally inside the spring clip restraint sleeve, and the spring clip restraint sleeve is fixedly installed on the restraint sleeve fixing seat.

[0008] Preferably, the restraint sleeve fixing seat is slidably mounted on the sensor adjustment base, and the bottom end of the restraint sleeve fixing seat has a beveled surface.

[0009] Preferably, a squeeze button is provided on one side of the sensor adjustment base, and push rods are fixedly connected to both ends of the squeeze button. The push rods are slidably installed in a groove opened on one side of the sliding seat. A push roller is rotatably installed at one end of the push rod, and the push roller is attached to the bottom end of the beveled surface. A limit block is fixedly connected to the center position of the push rod, and the limit block is snapped and slidably installed on both sides of the sensor adjustment base.

[0010] Preferably, a first return spring is fixedly connected to one side of the squeeze button, and the other end of the first return spring is fixedly connected to the sliding seat.

[0011] Preferably, a heat monitoring sensor is fixedly installed on the sensor mounting base. The temperature sensing area of ​​the heat monitoring sensor penetrates the sensor mounting groove opened on the upper surface of the sensor mounting base and is located at the bottom end of the sensor mounting base. A conductive copper busbar is clamped and fixed between the sensor mounting base and the sliding base, and the heat monitoring sensor is attached to the upper surface of the conductive copper busbar.

[0012] Preferably, one end of the conductive copper busbar is fixedly mounted on the molded case circuit breaker, the molded case circuit breaker is fixedly mounted on the switch mounting bracket, and the switch mounting bracket is fixedly mounted inside the distribution cabinet box.

[0013] Preferably, a temperature control collector is provided on one side inside the distribution cabinet, and a temperature control receiver protective component is provided on the outside of the temperature control collector. The temperature control receiver protective component is snapped on the inside of the distribution cabinet for protection and fixation. Several wire harness fixing pieces are fixedly installed on one side of the temperature control receiver protective component. The wire harness fixing pieces are used to fix the wire harness of the temperature control collector.

[0014] Preferably, a plurality of bolt fixing adjustment plates are slidably mounted on the sensor mounting base. The bolt fixing adjustment plates are located on one side of the sliding base, and fixing bolts are threaded onto the bolt fixing adjustment plates. One end of the fixing bolt is attached to one end of the sliding base, and the fixing bolt is used to fix the sliding base.

[0015] This invention has at least the following beneficial effects: This invention adopts an automatic locking mechanism when pressed down and a one-button unlocking mechanism when pressed. During assembly, the spring-loaded return spring automatically locks the spring in place. During disassembly, the pressing button is linked to the inclined roller drive, which drives the spring-loaded restraint sleeve to close the spring and complete the unlocking. There is no need to manually pry the spring, and no screwdrivers, wrenches, or other disassembly tools are required throughout the process. It is suitable for working in the narrow space inside the power distribution cabinet and can quickly complete the replacement of the heat monitoring sensor and temperature measurement and calibration, greatly improving the efficiency of power distribution operation and maintenance.

[0016] This invention features a spring clip restraint sleeve for neatly gathering the spring clips. During the unlocking process, the spring clips are subjected to uniform force and have a consistent bending angle. This eliminates the need for manual bending of the spring clips and effectively prevents them from bending due to force on one side and metal fatigue fracture.

[0017] 2. The sliding seat of this invention can slide laterally along the sensor mounting base and be locked in place by fixing bolts, adapting to copper busbar temperature measurement at different positions; the sliding block can slide vertically, adapting to conductive connecting copper busbars of different thicknesses, with high temperature measurement fit; the mounting slot can be expanded to add temperature measurement components, adapting to multi-loop temperature measurement.

[0018] 3. The protective component of the temperature control receiver of this invention protects the temperature control collector and prevents damage to the components from electric arcs and dust; the wire harness fixing piece fastens the signal wire, keeping the wires neatly arranged, avoiding wire tangling and electromagnetic interference, and reducing the probability of line failure. Attached Figure Description

[0019] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0020] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of the device provided by the present invention; Figure 2 This is a schematic diagram of the sensor fixing device provided by the present invention; Figure 3 This is a cross-sectional schematic diagram of the sensor fixing device structure provided by the present invention; Figure 4 This is a cross-sectional schematic diagram of the sensor locking structure provided by the present invention; Figure 5 This is a schematic diagram showing the structural distribution of the locking parts of the present invention; Figure 6 This is a cross-sectional schematic diagram of the locking component structure provided by the present invention; Figure 7 Provided by the present invention Figure 6 Enlarged view of part A; Figure 8 Provided by the present invention Figure 6 Enlarged view of section B; Figure 9 This is a cross-sectional schematic diagram of the wire harness fixing structure provided by the present invention.

[0021] In the diagram: 1. Distribution cabinet box; 2. Molded case circuit breaker; 3. Switch mounting base; 4. Conductive connection copper busbar; 5. Sensor mounting base; 6. Sensor mounting adjustment base mounting slot; 7. Heating monitoring sensor; 8. Sensor adjustment base; 9. Press button; 10. First return spring; 11. Bolt fixing adjustment piece; 12. Fixing bolt; 13. Sensor mounting base; 14. Second return spring; 15. Sliding block; 16. Mounting base locking rod; 17. Spring clip restraint sleeve; 18. Restraint sleeve fixing base; 19. Spring clip return spring; 20. Spring clip; 21. Sensor mounting slot; 22. Beveled surface; 23. Push rod; 24. Limit block; 25. Push roller; 26. Temperature control receiver protective component; 27. Wiring harness fixing piece; 28. Sliding base. Detailed Implementation

[0022] The following will describe in detail the implementation of this application with reference to the accompanying drawings and embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0023] like Figures 1-9 As shown, an installation structure and wiring structure for a power distribution cabinet heating monitoring sensor includes a power distribution cabinet box 1. A sensor mounting base 5 is fixedly installed inside the power distribution cabinet box 1. Several sliding seats 28 are slidably installed inside the sensor mounting base 5. A sensor adjustment base 8 is fixedly installed on the sliding seats 28. Sensor fixing adjustment base mounting slots 6 are opened at both ends of the sensor mounting base 5. The sensor adjustment base 8 has sliding blocks 15 that are slidably installed on both the left and right ends. A second reset spring 14 is fixedly installed on the upper surface of the sliding block 15. The other end of the second reset spring 14 is fixedly installed on the sensor adjustment base 8. The second reset spring 14 is located on both sides of the sliding block 15. A through hole groove is opened on the sliding block 15, and the through hole groove is located at the center of the second reset spring 14. A sensor fixing seat 13 is provided above the sensor adjustment base 8. Fixing seat locking rods 16 are fixedly connected to both ends of the sensor fixing seat 13. The fixing seat locking rods 16 are slidably installed in the through hole groove. A number of spring pieces 20 are rotatably mounted on one end of the locking rod 16 of the fixed seat. The spring pieces 20 are located at the lower end of the through hole groove of the sliding block 15, and the spring pieces 20 are pressed and attached to the bottom end of the sliding block 15. A spring piece return spring 19 is fixedly connected to one side of the spring piece 20 inside the locking rod 16 of the fixed seat. The other end of the spring piece return spring 19 is fixedly connected to the inside of the locking rod 16 of the fixed seat, and the spring piece 20 is completely retracted inside the locking rod 16 of the fixed seat after being compressed.

[0024] Thus, the sensor mounting base 5 is fixedly assembled into the temperature measurement area inside the distribution cabinet box 1. Sensor mounting base 5 has pre-drilled mounting slots 6 at both ends for later side-mounting of temperature measurement components. Based on the positions of heat-generating components such as copper busbars and circuit breakers inside the distribution cabinet, the sliding base 28 is pushed to slide laterally along the inside of the sensor mounting base 5. Simultaneously, the sliding base 28 drives the sensor adjustment base 8 fixed on the top surface to move horizontally, precisely adjusting the lateral temperature measurement point of the sensor. After adjustment, the position of the sliding base 28 is locked, completing the lateral positioning of the base. The locking rods 16 at both ends of the sensor mounting base 13 are vertically aligned with the central through-hole groove of the sliding block 15. The sensor mounting base 13 is pressed downwards, and the locking rods 16 extend into the through-hole groove. The inner wall of the groove presses against the open spring piece 20, causing the spring piece 20 to compress the inner spring piece return spring 19 and rotate inwards until the spring piece 20 is completely retracted. When the locking rod 16 of the fixed seat is engaged, it can smoothly pass through the through-hole groove. After the bottom end of the locking rod 16 of the fixed seat passes through the lower end of the through-hole groove of the sliding block 15, the spring piece 20 is disengaged from the inner wall of the groove and squeezed to limit it. The spring piece return spring 19 rebounds and extends, pushing the spring piece 20 to rotate outward and open. The upper surface of the opened spring piece 20 is pressed against the bottom end of the sliding block 15. At the same time, the second return spring 14 pushes the sliding block 15 upward, so that the bottom end of the sliding block 15 presses the spring piece 20, realizing bidirectional locking and completing the vertical locking of the locking rod 16 of the fixed seat. The sensor fixed seat 13 and the sensor are then fixedly assembled. Multiple sets of sliding seats 28, sensor adjustment bases 8 and sensor fixed seats 13 can be added using the sensor fixed adjustment seat mounting slots 6 at both ends of the sensor mounting seat 5 to adapt to multi-point heating temperature measurement operations inside the power distribution cabinet box 1 and to meet different temperature measurement requirements.

[0025] Furthermore, such as Figures 2-4As shown; a spring clip restraint sleeve 17 is provided below the spring clip 20. The inner diameter of the spring clip restraint sleeve 17 is larger than the diameter of the fixing seat locking rod 16, so that the fixing seat locking rod 16 can slide normally inside the spring clip restraint sleeve 17. The spring clip restraint sleeve 17 is fixedly installed on the restraint sleeve fixing seat 18. The restraint sleeve fixing seat 18 is slidably installed on the sensor adjustment base 8. The bottom end of the restraint sleeve fixing seat 18 is provided with a beveled surface 22. A squeeze button 9 is provided on one side of the sensor adjustment base 8. Push rods 23 are fixedly connected to both ends of the squeeze button 9. The push rods 23 are slidably installed in the groove opened on one side of the sliding seat 28. A push roller 25 is rotatably installed at one end of the push rod 23. The push roller 25 is in contact with the bottom end of the beveled surface 22. A limit block 24 is fixedly connected to the center position of the push rod 23. The limit block 24 is snapped and slidably installed on both sides of the sensor adjustment base 8.

[0026] Thus, when the operator presses the squeeze button 9 inward, the squeeze button 9 drives the two push rods 23 to slide inward synchronously along the side groove of the sliding seat 28. The middle limit block 24 of the push rod 23 slides along the side wall of the sensor adjustment base 8, and the limit block 24 limits the maximum sliding distance of the push rod 23 to avoid excessive displacement. The rotating push roller 25 at the end of the push rod 23 pushes the bottom beveled surface 22 of the restraint sleeve fixing seat 18 inward. Utilizing the principle of force transmission on the inclined surface, the beveled surface 22 is forced to drive the restraint sleeve fixing seat 18 to slide vertically upward along the sensor adjustment base 8. The restraint sleeve fixing seat 18 drives the top spring restraint sleeve 17 to move upward synchronously. The spring restraint sleeve 17 closes the open spring 20 from bottom to top. The inner wall of the restraint sleeve squeezes all the spring 20, causing the spring 20 to compress the spring return spring 19 and fully retract into the fixing position. Inside the locking rod 16, the inverted retaining device 20 on the bottom of the sliding block 15 is released; at this time, the sensor fixing seat 13 is pulled upward, and the fixing seat locking rod 16 can be directly disengaged from the through hole groove and the spring retaining sleeve 17, completing the sensor disassembly; the squeezing button 9 is released, the external reset structure drives the push rod 23 and the push roller 25 to retract, the retaining sleeve fixing seat 18 slides down and resets by its own weight, the spring retaining sleeve 17 falls back, and the structure returns to the initial standby state; due to the thickness difference of the cabinet components, when the sensor fixing seat 13 is pressed down, the sliding block 15 can compress the second reset spring 14 and slide up and down, adaptively adjusting the sensor height to ensure that the sensor fits the heating component; at the same time, the fixing seat locking rod 16 can slide freely vertically inside the spring retaining sleeve 17, without being limited by the retaining sleeve, and does not affect the vertical fine adjustment of the sensor.

[0027] Furthermore, such as Figures 4-9As shown; a first return spring 10 is fixedly connected to one side of the squeeze button 9, and the other end of the first return spring 10 is fixedly connected to the sliding seat 28; a heat monitoring sensor 7 is fixedly installed on the sensor mounting base 13, the temperature sensing area of ​​the heat monitoring sensor 7 penetrates through the sensor mounting groove 21 opened on the upper surface of the sensor mounting base 13, and is located at the bottom of the sensor mounting base 13; a conductive connecting copper busbar 4 is clamped and fixed between the sensor mounting base 13 and the sliding seat 28, and the heat monitoring sensor 7 is attached to the upper surface of the conductive connecting copper busbar 4; conductive One end of the connecting copper busbar 4 is fixedly installed on the molded case circuit breaker 2. The molded case circuit breaker 2 is fixedly installed on the switch mounting base 3. The switch mounting base 3 is fixedly installed inside the distribution cabinet box 1. A temperature control collector is provided on one side inside the distribution cabinet box 1, and a temperature control receiver protective piece 26 is provided on the outside of the temperature control collector. The temperature control receiver protective piece 26 is snapped on the inside of the distribution cabinet box 1 for protection and fixation. Several wire harness fixing pieces 27 are fixedly installed on one side of the temperature control receiver protective piece 26. The wire harness fixing pieces 27 are used to snap and fix the wire harness of the temperature control collector.

[0028] Thus, the switch mounting base 3 is locked and fixed in the preset position inside the distribution cabinet box 1, and the molded case circuit breaker 2 is assembled and fixed above the switch mounting base 3, completing the installation of the main control switch base; one end of the conductive connecting copper busbar 4 is wired and fixed to the terminal of the molded case circuit breaker 2, and the conductive connecting copper busbar 4 extends laterally to the temperature measurement station, serving as the temperature measurement carrier for the power-on heating of the distribution cabinet; the sensor mounting base 5 is fixed as a whole inside the distribution cabinet box 1, in the area below the conductive connecting copper busbar 4, and the sensor mounting base 5 has reserved sensor fixing adjustment seat mounting slots 6 at both ends for future expansion and addition of temperature measurement components; the temperature control receiver protective component 26 is snapped onto the inner side wall of the distribution cabinet box 1, and the temperature control collector is placed inside the temperature control receiver protective component 26 to complete the protection and positioning, and the signal harness connected to the temperature control collector is snapped and fixed to multiple sets of harness fixing plates 27 on the outside of the protective component, completing the neat routing and limiting of the harness.

[0029] Furthermore, such as Figures 3-4 As shown; several bolt fixing adjustment pieces 11 are slidably installed on the sensor mounting base 5. The bolt fixing adjustment pieces 11 are located on one side of the sliding base 28. The bolt fixing adjustment pieces 11 are threaded with fixing bolts 12. One end of the fixing bolts 12 is attached to one end of the sliding base 28, and the fixing bolts 12 are used to fix the sliding base 28.

[0030] Thus, multiple sets of sliding seats 28 are slidably embedded inside the sensor mounting base 5. According to the heating point of the conductive copper busbar 4, the staff pushes the sliding seat 28 laterally, and the sliding seat 28 simultaneously drives the top sensor adjustment base 8 to move and align. After the sliding seat 28 is aligned, the side bolt fixing adjustment piece 11 is slid to make the bolt fixing adjustment piece 11 fit against the side of the sliding seat 28. The fixing bolt 12 on the bolt fixing adjustment piece 11 is tightened so that the end of the fixing bolt 12 is pressed against the side wall of the sliding seat 28. The sliding seat 28 is locked by the thread tightening force to prevent the sliding seat 28 from shifting.

[0031] The principle of the installation structure and wiring structure of the heat monitoring sensor for the power distribution cabinet provided in this embodiment is as follows: The operator pushes the sliding seat 28 to slide laterally along the sensor mounting seat 5 to adjust the temperature measurement position. After sliding into place, the sliding bolt fixes the adjusting piece 11, and the fixing bolt 12 is tightened to laterally press the sliding seat 28 to complete the lateral position locking and fixing. The sensor fixing adjustment seat mounting slots 6 at both ends of the sensor mounting seat 5 can be expanded to add temperature measurement components and are easy to disassemble; the bottom end of the fixing seat locking rod 16 is equipped with a spring 20 through the spring return spring 19. When assembling the sensor, the sensor fixing seat is pressed down. 13. The locking rod 16 of the fixed seat passes through the through hole groove. The groove squeezes the spring 20 and compresses the spring return spring 19 inward. After the rod passes through the groove smoothly, the spring return spring 19 rebounds and opens the spring 20, so that the spring 20 is upside down and attached to the bottom of the sliding block 15. With the cooperation of the second return spring 14, the sliding block 15 is pressed upward, and the locking rod 16 of the fixed seat is clamped and locked in both directions. At this time, the sensor fixed seat 13 and the sliding seat 28 clamp the conductive copper busbar 4. The sensing end of the heating monitoring sensor 7 passes through the sensor mounting groove 21 and attaches to the upper surface of the conductive copper busbar 4 to collect the heating temperature of the copper busbar in real time. During unlocking and disassembly, the operator presses the squeeze button 9, which compresses the first return spring 10, causing the push rods 23 on both sides to slide horizontally. The middle limit block 24 of the push rod 23 limits the sliding stroke, and the end push roller 25 rolls against the bottom bevel surface 22 of the restraint sleeve fixing seat 18, converting the horizontal thrust into a vertical lifting force, which causes the restraint sleeve fixing seat 18 and the top spring restraint sleeve 17 to move upward. Because the inner diameter of the spring restraint sleeve 17 is larger than the diameter of the fixing seat locking rod 16, the rods can slide freely. The upward movement of the restraint sleeve squeezes the spring 20, causing the spring 20 to retract back into the fixing seat. Inside the locking lever 16, the inverted limit is released, allowing the sensor mounting base 13 to be removed upwards. After releasing the squeezing button 9, the first reset spring 10 rebounds, causing the squeezing button 9 and the push rod 23 to reset. The restraint sleeve mounting base 18 slides down and resets under gravity, returning the structure to its initial state. The temperature control receiver protective component 26 is installed inside the distribution cabinet box 1, providing protection for the temperature control collector. The sensor wiring harness connected to the temperature control collector is neatly fixed by the wiring harness fixing piece 27, achieving orderly wiring and storage inside the cabinet, avoiding wire tangling and electromagnetic interference, and ensuring stable transmission of temperature measurement signals.

[0032] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. An installation structure and wiring structure for a power distribution cabinet heating monitoring sensor, comprising a power distribution cabinet box (1), characterized in that: The power distribution cabinet (1) is fixedly installed with a sensor mounting base (5). Several sliding seats (28) are slidably installed inside the sensor mounting base (5). A sensor adjustment base (8) is fixedly installed on the sliding seat (28). Sensor fixing adjustment base mounting slots (6) are opened at both ends of the sensor mounting base (5). The sensor adjustment base (8) has sliding blocks (15) installed on its left and right ends. A second reset spring (14) is fixedly installed on the upper surface of the sliding block (15). The other end of the second reset spring (14) is fixedly installed on the sensor adjustment base (8). The second reset spring (14) is located on both sides of the sliding block (15). A through hole groove is opened on the sliding block (15), and the through hole groove is located at the center of the second reset spring (14). A sensor fixing seat (13) is provided above the sensor adjustment base (8). A fixing seat locking rod (16) is fixedly connected to both ends of the sensor fixing seat (13). The fixing seat locking rod (16) is slidably installed in the through hole groove.

2. The installation structure and wiring structure of the power distribution cabinet heating monitoring sensor according to claim 1, characterized in that: A plurality of spring pieces (20) are rotatably mounted on one end of the fixed seat locking rod (16). The spring pieces (20) are located at the lower end of the through hole groove of the sliding block (15), and the spring pieces (20) are pressed against the bottom end of the sliding block (15). A spring piece return spring (19) is fixedly connected to one side of the spring piece (20) inside the fixed seat locking rod (16). The other end of the spring piece return spring (19) is fixedly connected inside the fixed seat locking rod (16), and the spring piece (20) is completely retracted inside the fixed seat locking rod (16) after being compressed.

3. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 2, characterized in that: Below the spring piece (20), a spring piece restraint sleeve (17) is provided. The inner diameter of the spring piece restraint sleeve (17) is larger than the diameter of the fixing seat locking rod (16), so that the fixing seat locking rod (16) can slide normally inside the spring piece restraint sleeve (17). The spring piece restraint sleeve (17) is fixedly installed on the restraint sleeve fixing seat (18).

4. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 3, characterized in that: The restraint sleeve fixing seat (18) is slidably mounted on the sensor adjustment base (8) and the bottom end of the restraint sleeve fixing seat (18) is provided with a beveled surface (22).

5. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 4, characterized in that: A squeeze button (9) is provided on one side of the sensor adjustment base (8). A push rod (23) is fixedly connected to both ends of the squeeze button (9). The push rod (23) is slidably installed in a groove opened on one side of the sliding seat (28). A push roller (25) is rotatably installed at one end of the push rod (23). The push roller (25) is attached to the bottom end of the inclined surface (22). A limit block (24) is fixedly connected to the center position of the push rod (23). The limit block (24) is snapped and slidably installed on both sides of the sensor adjustment base (8).

6. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 5, characterized in that: A first reset spring (10) is fixedly connected to one side of the squeeze button (9), and the other end of the first reset spring (10) is fixedly connected to the sliding seat (28).

7. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 1, characterized in that: A heat monitoring sensor (7) is fixedly installed on the sensor mounting base (13). The temperature sensing area of ​​the heat monitoring sensor (7) passes through the sensor mounting groove (21) opened on the upper surface of the sensor mounting base (13) and is located at the bottom of the sensor mounting base (13). A conductive copper busbar (4) is clamped and fixed between the sensor mounting base (13) and the sliding seat (28). The heat monitoring sensor (7) is attached to the upper surface of the conductive copper busbar (4).

8. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 7, characterized in that: One end of the conductive connecting copper busbar (4) is fixedly installed on the molded case circuit breaker (2), the molded case circuit breaker (2) is fixedly installed on the switch mounting base (3), and the switch mounting base (3) is fixedly installed inside the distribution cabinet box (1).

9. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 8, characterized in that: A temperature control collector is provided on one side inside the power distribution cabinet (1), and a temperature control receiver protective piece (26) is provided on the outside of the temperature control collector. The temperature control receiver protective piece (26) is snapped on the inside of the power distribution cabinet (1) for protection and fixation. Several wire harness fixing pieces (27) are fixedly installed on one side of the temperature control receiver protective piece (26). The wire harness fixing pieces (27) are used to snap the wire harness of the temperature control collector.

10. The installation structure and wiring structure of a power distribution cabinet heating monitoring sensor according to claim 1, characterized in that: A plurality of bolt fixing adjustment pieces (11) are slidably mounted on the sensor mounting base (5). The bolt fixing adjustment pieces (11) are located on one side of the sliding seat (28). A fixing bolt (12) is threadedly connected to the bolt fixing adjustment piece (11). One end of the fixing bolt (12) is attached to one end of the sliding seat (28), and the fixing bolt (12) is used to fix the sliding seat (28).

Images