Wireless temperature measurement high-voltage handcart switch cabinet

Abstract

The utility model relates to a wireless temperature measurement high-voltage handcart switch cabinet, and belongs to the technical field of switch cabinets. The wireless temperature measurement high-voltage handcart switch cabinet comprises a cabinet body, a bus chamber, a circuit breaker chamber and a cable chamber are arranged in the cabinet body, a bus copper bar is arranged in the bus chamber, a contact is arranged in the circuit breaker chamber, a cable joint is arranged in the cable chamber, and wireless temperature sensors are arranged at the bus copper bar, the contact and the cable joint respectively; a control device is arranged outside the cabinet body, and the control device is configured to receive temperature data sent by the wireless temperature sensor and judge whether the temperature data is lower than a preset threshold value or not. Wireless temperature monitoring is carried out on the heating points in the switch cabinet, so that equipment abnormity can be found in an early stage and intervened and processed in time, and the reliability is relatively high.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of switch cabinets, in particular to a wireless temperature measurement high-voltage handcart switch cabinet. BACKGROUND

[0002] The high-voltage switch cabinet is an important equipment in the power distribution system, and has the functions of breaking power lines, line monitoring, fault protection and the like. The power equipment may cause fire or power failure accidents due to overheating of the equipment, and therefore the temperature of the high-voltage switch cabinet needs to be monitored in real time, and when the temperature of the high-voltage switch cabinet exceeds a threshold value, a warning is given that there may be a safety hazard.

[0003] However, since the switch cabinet usually adopts a closed design, the cabinet door cannot be opened during operation, so that the common thermal imager cannot be used to monitor the temperature of the device in the cabinet in real time, and when the thermal imager detects that the temperature of the switch cabinet is too high from the outside, the best processing opportunity may have been missed, resulting in heavy losses or casualties. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the application provides a wireless temperature measurement high-voltage handcart switch cabinet, which can monitor the temperature of the heating point in the switch cabinet wirelessly, can early detect equipment abnormalities and intervene in time, and thus has good reliability.

[0005] The wireless temperature measurement high-voltage handcart switch cabinet of some embodiments of the application comprises a cabinet body, a busbar chamber, a circuit breaker chamber and a cable chamber are arranged in the interior of the cabinet body, a busbar copper bar is arranged in the busbar chamber, a contact is arranged in the circuit breaker chamber, a cable joint is arranged in the cable chamber, and a wireless temperature sensor is arranged at each of the busbar copper bar, the contact and the cable joint; a control device is arranged outside the cabinet body, and the control device is configured to receive temperature data sent by the wireless temperature sensor and determine whether the temperature data is lower than a preset threshold value.

[0006] Optionally, the control device comprises a receiving terminal and a monitoring host, the receiving terminal is wirelessly connected with the wireless temperature sensor, the monitoring host is wiredly connected with the receiving terminal, the receiving terminal is configured to receive the temperature data of the wireless temperature sensor in a wireless manner and send the temperature data to the monitoring host, and the monitoring host is configured to receive the temperature data and analyze and determine whether the temperature data is lower than the preset threshold value.

[0007] Optionally, the control device further comprises a display terminal, which is used for displaying the temperature data corresponding to each wireless temperature sensor in real time; when the temperature data is lower than the preset threshold value, the display terminal displays a normal operation signal; and when the temperature data is higher than the preset threshold value, the display terminal displays a warning signal.

[0008] Optionally, the wireless temperature sensor comprises a buckle and a sensing element, the sensing element is installed at the middle of the length direction of the buckle, and the buckle is sleeved on the bus copper bar, the contactor or the cable joint.

[0009] Optionally, the bus copper bar is provided with three, and each bus copper bar is provided with one wireless temperature sensor.

[0010] Optionally, the contactor is provided with six, and each contactor is provided with one wireless temperature sensor.

[0011] Optionally, the cable joint is provided with three, and each cable joint is provided with one wireless temperature sensor.

[0012] Optionally, the circuit breaker chamber is push-pull installed on the cabinet through a handcart.

[0013] Optionally, the inside of the cabinet further comprises a pressure relief channel, a low-voltage chamber and a grounding bus.

[0014] Optionally, the cabinet is provided with multiple, multiple cabinets are arranged side by side, the top of the cabinet is provided with a secondary bus channel, the secondary bus channel is used to install secondary cables, and two adjacent cabinets are electrically connected through the secondary cables.

[0015] Compared with the prior art, the scheme has the following beneficial effects:

[0016] The wireless temperature measurement high-voltage handcart switch cabinet of the embodiment of the application is provided with a wireless temperature sensor at the bus copper bar, the contactor and the cable joint, can monitor the temperature at the bus copper bar, the contactor and the cable joint in real time, and judges whether the temperature is lower than the preset threshold value through the control device, and further judges whether the wireless temperature measurement high-voltage handcart switch cabinet is in a normal running state. Since the temperature at the bus copper bar, the contactor and the cable joint can be monitored in real time, the position of the specific temperature that is too high can be judged, the equipment anomaly can be found early and timely intervention can be made, so that better reliability is achieved.

[0017] Additional aspects and advantages of the application will be described in part in the description which follows, and will become apparent from the description, or will be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0019] Figure 1 A structural schematic diagram of the wireless temperature measurement high-voltage handcart switch cabinet provided by the embodiment of the present application is provided.

[0020] Figure 2 A wireless temperature measurement detection point schematic diagram of the wireless temperature measurement high-voltage handcart switch cabinet provided by the embodiment of the present application is provided.

[0021] Figure 3 A working principle diagram of the control device of the wireless temperature measurement high-voltage handcart switch cabinet provided by the embodiment of the present application is provided.

[0022] Figure 4 A structural diagram of the wireless temperature sensor of the wireless temperature measurement high-voltage handcart switch cabinet provided by the embodiment of the present application is provided.

[0023] Figure 5 A layout schematic diagram of the plurality of cabinet bodies of the wireless temperature measurement high-voltage handcart switch cabinet provided by the embodiment of the present application is provided.

[0024] Icon: 100-wireless temperature measurement high-voltage handcart switch cabinet; 110-cabinet body; 120-bus chamber; 121-bus copper bar; 130-circuit breaker chamber; 131-contact; 1311-upper contact; 1312-lower contact; 132-vacuum circuit breaker; 133-handcart; 140-cable chamber; 141-cable joint; 142-current transformer; 143-grounding switch; 150-wireless temperature sensor; 151-clip ring; 1511-first buckling part; 1512-second buckling part; 1513-mounting groove; 152-sensing element; 160-control device; 161-receiving terminal; 162-monitoring host; 163-display terminal; 171-pressure relief channel; 172-low-voltage chamber; 173-grounding bus; 180-secondary bus channel; 181-secondary cable. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall within the scope of protection of the present application.

[0027] As Figures 1 to 4As shown, the wireless temperature measurement high-voltage trolley switch cabinet 100 of some embodiments of the present application comprises a cabinet body 110, the inside of the cabinet body 110 is provided with a busbar chamber 120, a circuit breaker chamber 130 and a cable chamber 140, the busbar chamber 120 is provided with a busbar copper bar 121, the circuit breaker chamber 130 is provided with a contact 131, the cable chamber 140 is provided with a cable joint 141, and a wireless temperature sensor 150 is respectively arranged at the busbar copper bar 121, the contact 131 and the cable joint 141; the outside of the cabinet body 110 is provided with a control device 160, and the control device 160 is configured to receive temperature data sent by the wireless temperature sensor 150 and judge whether the temperature data is lower than a preset threshold.

[0028] The wireless temperature measurement high-voltage trolley switch cabinet 100 of the embodiments of the present application is respectively provided with a wireless temperature sensor 150 at the busbar copper bar 121, the contact 131 and the cable joint 141, which can monitor the temperature at the busbar copper bar 121, the contact 131 and the cable joint 141 in real time, and judge whether the temperature at the place is lower than a preset threshold through the control device 160, and further judge whether the wireless temperature measurement high-voltage trolley switch cabinet 100 is in a normal running state. Since the temperature at the busbar copper bar 121, the contact 131 and the cable joint 141 can be monitored in real time, the specific position of the excessively high temperature can be judged, the equipment abnormality can be found early and timely intervention can be processed, so that better reliability is achieved.

[0029] The front-rear direction of the cabinet body 110 extends along the direction X, the busbar chamber 120 is arranged at the rear side of the cabinet body 110, the cross section of the busbar copper bar 121 is rectangular, the surface is covered with a heat shrinkable sleeve, and the overlapping part of the busbar copper bar 121 is protected by an insulating cover to reduce arc fault occurrence. The busbar chamber 120 also has a metal partition plate made of stainless steel or aluminum, and a through-wall bushing is installed on the metal partition plate to reduce the eddy current heating phenomenon during the operation of the busbar copper bar 121.

[0030] The busbar copper bar 121 is provided with three, which are three-phase copper bars, and each busbar copper bar 121 is provided with one wireless temperature sensor 150.

[0031] Through this kind of setting form, the real-time temperature of each busbar copper bar 121 can be accurately monitored.

[0032] The circuit breaker chamber 130 is arranged at the front side of the cabinet body 110, and the inside of the circuit breaker chamber 130 has a vacuum circuit breaker 132.

[0033] In some embodiments of the present application, the circuit breaker chamber 130 is push-pullably installed on the cabinet body 110 through a trolley 133.

[0034] Specifically, the front side of the cabinet 110 is provided with a containing space, the handcart 133 is slidingly installed on the cabinet 110 in the front-rear direction (i.e. direction X), the handcart 133 is provided with the vacuum circuit breaker 132, the handcart 133 can be pushed into the containing space in the direction X, the contacts 131 of the vacuum circuit breaker 132 are inserted into the interface to close, thereby forming a passage, and the circuit is cut off when the contacts 131 are opened, and the handcart 133 is pulled out of the containing space to facilitate maintenance or replacement.

[0035] Through the setting form, when the vacuum circuit breaker 132 fails, the handcart 133 can be pulled out for maintenance or replacement, and the maintenance power-off time can be shortened.

[0036] In some embodiments of the present application, the contacts 131 are provided with six, and each contact 131 is provided with a wireless temperature sensor 150.

[0037] The six contacts 131 are three upper contacts 1311 and three lower contacts 1312, the three upper contacts 1311 are connected to the interfaces corresponding to the busbar chamber 120, and the three lower contacts 1312 are connected to the interfaces corresponding to the cable chamber 140. Each contact 131 is provided with a wireless temperature sensor 150, which can monitor the local temperature of each contact 131 in real time.

[0038] The cable chamber 140 is arranged on the lower side of the busbar chamber 120, and the current transformer 142, the grounding switch 143 and the lightning arrester can be installed in the cable chamber 140. The bottom of the cable chamber 140 is provided with a slotted removable sealing plate to isolate the cable trench, thereby improving the safety performance.

[0039] In some embodiments of the present application, the cable joints 141 are provided with three, and each cable joint 141 is provided with a wireless temperature sensor 150.

[0040] Specifically, the three lower contacts 1312 are connected to the corresponding cable joints 141 through a current transformer 142.

[0041] Through the setting form, the real-time temperature of each cable joint 141 can be accurately monitored.

[0042] As shown in the drawings, Figure 3 In some embodiments of the present application, the control device 160 includes a receiving terminal 161 and a monitoring host 162, the receiving terminal 161 is wirelessly connected to the wireless temperature sensor 150, the monitoring host 162 is wiredly connected to the receiving terminal 161, the receiving terminal 161 is configured to receive the temperature data of the wireless temperature sensor 150 in a wireless manner and send the temperature data to the monitoring host 162, and the monitoring host 162 is configured to receive the temperature data and analyze whether the temperature data is lower than a preset threshold.

[0043] The receiving terminal 161 is arranged outside the cabinet 110 to receive temperature data sent by each wireless temperature sensor 150 inside the cabinet 110 from the outside of the cabinet 110.

[0044] For example, there are twelve wireless temperature sensors 150 inside the cabinet 110, and two receiving terminals 161 are arranged. Each receiving terminal 161 receives temperature data from six wireless temperature sensors 150. In other embodiments, the number of receiving terminals 161 can be flexibly determined according to the number of wireless temperature sensors 150.

[0045] In a preferred embodiment, the receiving terminal 161 is disposed on the outer surface of the cabinet 110, allowing staff to visually observe the temperature data displayed on the receiving terminal 161 on-site. In other embodiments, the receiving terminal 161 may also be disposed away from the cabinet 110.

[0046] The control device 160 also includes a display terminal 163, which is used to display the temperature data corresponding to each wireless temperature sensor 150 in real time; when the temperature data is lower than a preset threshold, the display terminal 163 displays a normal operation signal; when the temperature data is higher than the preset threshold, the display terminal 163 displays a warning signal.

[0047] The display terminal 163 is connected to the monitoring host 162. The monitoring host 162 receives the temperature data from each wireless temperature sensor 150 and displays it in real time on the display terminal 163. The temperature data is compared with a preset threshold to determine whether the local detection point is in a normal or abnormal state.

[0048] Based on the information displayed on the display terminal 163, staff can know the real-time temperature of each local monitoring point and whether there is any abnormality in that local monitoring point. If there is an abnormality, they can intervene in time to prevent the accident from getting worse.

[0049] like Figure 4 As shown, in some embodiments of this application, the wireless temperature sensor 150 includes a retainer 151 and a sensing element 152. The sensing element 152 is mounted in the middle of the retainer 151 along its length. The retainer 151 is sleeved on the busbar copper busbar 121, the contact 131, or the cable connector 141.

[0050] Taking the wireless temperature sensor 150 sleeved on the bus copper bar 121 as an example, the buckle ring 151 is made of plastic material, the two ends of the length direction of the buckle ring 151 are respectively provided with a first buckling part 1511 and a second buckling part 1512, the middle part of the length direction of the buckle ring 151 is provided with a mounting groove 1513, the sensing element 152 is mounted in the mounting groove 1513, the first buckling part 1511 and the second buckling part 1512 are buckled with each other, so that the buckle ring 151 is sleeved on the outer periphery of the bus copper bar 121, and the sensing surface of the sensing element 152 is attached to the outer surface of the bus copper bar 121, so as to collect the temperature data of the bus copper bar 121.

[0051] As shown in the drawings, Figure 1 In some embodiments of the present application, the interior of the cabinet 110 further includes a pressure relief channel 171, a low-voltage chamber 172 and a grounding bus 173.

[0052] The pressure relief channel 171 is arranged at the top of the cabinet 110, and is provided with three pressure relief cover plates, which are respectively communicated with the bus chamber 120, the circuit breaker chamber 130 and the cable chamber 140. The gas generated by internal arc can be safely released from the top of the cabinet 110.

[0053] The low-voltage chamber 172 is arranged at the front side of the cabinet 110, and is provided with terminal rows, secondary grounding rows and secondary elements, etc. It is also used for arranging elements related to instrument display.

[0054] The height direction of the cabinet 110 extends along the direction Z, and the grounding bus 173 is arranged at the bottom of the cabinet 110, which is a rectangular copper bar connected to the grounding switch 143 and the main grounding row.

[0055] As shown in the drawings, Figure 5 In some embodiments of the present application, the cabinet 110 is provided with a plurality of cabinets 110 arranged side by side, and the top of the cabinet 110 is provided with a secondary bus channel 180 for arranging secondary cables 181, and the two adjacent cabinets 110 are electrically connected through the secondary cables 181.

[0056] For example, the cabinet 110 is provided with five cabinets 110 arranged along the direction Y, and a plurality of secondary bus channels 180 are communicated along the direction Y, and the secondary cables 181 pass through the secondary bus channels 180.

[0057] The secondary cables 181 can realize the electrical connection between the two adjacent cabinets 110, and can be secondary cables or copper bars, which connect the secondary buses of adjacent cabinets 110 and penetrate the whole row of cabinets 110.

[0058] The wireless temperature measurement high-voltage trolley switch cabinet 100 of the embodiment of the present application is respectively provided with a wireless temperature sensor 150 at the bus copper bar 121, the contact 131 of the circuit breaker chamber 130 and the cable joint 141, and a receiving terminal 161 is arranged outside the cabinet body 110 to receive the temperature data collected by each wireless temperature sensor 150. The host computer 162 receives the temperature data for analysis, and the display terminal 163 displays the temperature data of the temperature detection point corresponding to each wireless temperature sensor 150 in real time. When the temperature data exceeds the preset threshold, a warning signal is displayed. After seeing the warning signal, the staff can know the specific component with excessively high temperature, and make a quick response according to the engineering experience, intervene in the safety accident early, prevent the accident from further deterioration or expansion, thereby having high reliability.

[0059] It should be noted that the features in the embodiments of the present application can be combined with each other without conflict.

[0060] The above only describes the preferred embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A wireless temperature measuring high voltage trolley switchgear cabinet (100), characterized in that, The cabinet (110) is internally provided with a busbar chamber (120), a circuit breaker chamber (130) and a cable chamber (140), the busbar chamber (120) is internally provided with a busbar copper bar (121), the circuit breaker chamber (130) is provided with a contact (131), and the cable chamber (140) is provided with a cable joint (141), and each of the busbar copper bar (121), the contact (131) and the cable joint (141) is provided with a wireless temperature sensor (150); The outside of the cabinet (110) is provided with a control device (160), which is configured to receive the temperature data sent by the wireless temperature sensor (150) and judge whether the temperature data is lower than the preset threshold.

2. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The control device (160) includes a receiving terminal (161) and a monitoring host (162), the receiving terminal (161) is wirelessly connected with the wireless temperature sensor (150), the monitoring host (162) is wiredly connected with the receiving terminal (161), the receiving terminal (161) is configured to receive the temperature data of the wireless temperature sensor (150) by wireless mode and send to the monitoring host (162), and the monitoring host (162) is configured to receive the temperature data and analyze whether the temperature data is lower than the preset threshold.

3. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 2, characterized in that, The control device (160) further includes a display terminal (163) for displaying the temperature data corresponding to each wireless temperature sensor (150) in real time. When the temperature data is lower than the preset threshold, the display terminal (163) displays a normal operation signal; When the temperature data is higher than the preset threshold, the display terminal (163) displays a warning signal.

4. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The wireless temperature sensor (150) includes a clasp (151) and a sensing element (152), the sensing element (152) is installed at the middle of the length direction of the clasp (151), and the clasp (151) is sleeved on the busbar copper bar (121), the contact (131) or the cable joint (141).

5. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The busbar copper bar (121) is provided with three, and each busbar copper bar (121) is provided with one wireless temperature sensor (150).

6. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The contact (131) is provided with six, and each contact (131) is provided with one wireless temperature sensor (150).

7. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The cable joint (141) is provided with three, and each cable joint (141) is provided with one wireless temperature sensor (150).

8. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The circuit breaker chamber (130) is push-pullly installed in the cabinet (110) through a handcart (133).

9. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The inside of the cabinet (110) further includes a pressure relief channel (171), a low pressure chamber (172) and a grounding busbar (173).

10. The wireless temperature measuring high voltage trolley switchgear cabinet (100) according to claim 1, characterized in that, The cabinet body (110) is provided with a plurality of cabinet bodies (110) arranged side by side, and the top of the cabinet body (110) is provided with a secondary bus channel (180) for installing a secondary cable (181), and two adjacent cabinet bodies (110) are electrically connected through the secondary cable (181).

Images