A holographic sensing switch cabinet

Abstract

The present invention relates to a holographic sensing switch cabinet, wherein each temperature sensor is arranged at each plum blossom contact to detect the temperature of the plum blossom contact, and sends the temperature to an intelligent control device; the intelligent control device determines whether the temperature is within a normal operating temperature range; if it is not within the normal operating temperature range, the opening sensor sends an opening instruction to a transmission mechanism, so that the transmission mechanism disconnects a vacuum arc extinguishing chamber corresponding to the temperature sensor; if it is within the normal operating temperature range, the closing sensor sends a closing instruction to the transmission mechanism, so that the transmission mechanism closes the vacuum arc extinguishing chamber corresponding to the temperature sensor, thereby realizing online monitoring of the insulation state of the equipment and avoiding serious accidents during operation of the high-voltage switch cabinet.

Description

Technical Field

[0001] The present invention relates to the field of indoor high-voltage power distribution equipment, and in particular to a holographic sensing switch cabinet. Background Art

[0002] The operating reliability of the core high-voltage components of the existing high-voltage switchgear, such as circuit breakers, CTs, busbars, cables, etc., directly affects the normal production of the power industry. However, these devices are inevitably affected by various factors such as electricity, heat, machinery and environment during operation, and their insulation media continue to deteriorate, resulting in poor operating conditions and even various faults, causing local or even large-scale power outages, resulting in huge direct or indirect economic losses.

[0003] There are many reasons that lead to the degradation of the reliability of high-voltage switchgear and the insulation medium. Therefore, how to monitor the insulation status of the equipment online and avoid serious accidents during the operation of the high-voltage switchgear has become an urgent problem to be solved in this field. Summary of the invention

[0004] The purpose of the present invention is to provide a holographic sensing switch cabinet to realize online monitoring of the insulation status of equipment.

[0005] To achieve the above object, the present invention provides a holographic sensing switch cabinet, the switch cabinet comprising:

[0006] 3 temperature sensors, an intelligent control device, a vacuum circuit breaker, 3 upper connecting busbars, 3 inter-cabinet connecting busbars, 3 lower connecting busbars, 3 current transformers, 3 switch cabinet static contacts and 3 cable incoming lines; wherein the vacuum circuit breaker comprises: 3 upper contact arms, 3 lower contact arms, 3 vacuum interrupters, 3 soft connections, 3 plum blossom contacts, a transmission mechanism, an opening sensor and a closing sensor; the intelligent control device is respectively connected to each of the temperature sensors, the opening sensor and the closing sensor, and the opening sensor and the closing sensor are respectively connected to the 3 vacuum interrupters through the transmission mechanism;

[0007] A total of three conductive loops are generated; among them, a cabinet connecting busbar, an upper connecting busbar, a switch cabinet static contact, an upper contact arm, a vacuum interrupter, a soft connection, a lower contact arm, a lower connecting busbar, a current transformer, and a cable inlet are connected and conducted in sequence to form a conductive loop;

[0008] Each temperature sensor is arranged at each plum blossom contact, and the temperature sensor is used to detect the temperature of the plum blossom contact and send the temperature to the intelligent control device; the intelligent control device determines whether the temperature is within the normal operating temperature range; if it is not within the normal operating temperature range, the opening sensor sends an opening instruction to the transmission mechanism, so that the transmission mechanism disconnects the vacuum arc extinguishing chamber corresponding to the temperature sensor; if it is within the normal operating temperature range, the closing sensor sends a closing instruction to the transmission mechanism, so that the transmission mechanism closes the vacuum arc extinguishing chamber corresponding to the temperature sensor.

[0009] Optionally, the switch cabinet further includes:

[0010] The partial discharge sensor is installed at the rear of the cable room of the switch cabinet to detect the partial discharge electromagnetic wave signal;

[0011] The intelligent control device is connected to the partial discharge sensor, and is used to determine whether the partial discharge electromagnetic wave signal is within the normal partial discharge working range; if it is not within the normal partial discharge working range, the intelligent control device displays an abnormality and alarms.

[0012] Optionally, the intelligent control device is used to determine whether the partial discharge electromagnetic wave signal is within the normal partial discharge working range; if it is not within the normal partial discharge working range, the intelligent control device instructs the opening sensor to send an opening instruction to the transmission mechanism so that the transmission mechanism disconnects the three vacuum arc chambers; if it is within the normal partial discharge working range, the intelligent control device instructs the closing sensor to send a closing instruction to the transmission mechanism so that the transmission mechanism closes the three vacuum arc chambers.

[0013] Optionally, the switch cabinet further includes:

[0014] 3 busbar sensors, fixed on each lower connecting busbar, are used to sense the incoming line current;

[0015] The intelligent control device is connected to each of the bus sensors and is used to determine whether each incoming line current is within the normal operating current range; if it is not within the normal operating current range, the intelligent control device displays an abnormality and issues an alarm.

[0016] Optionally, the intelligent control device is used to determine whether each incoming line current is within the normal operating current range; if it is not within the normal operating current range, the intelligent control device instructs the opening sensor to send an opening instruction to the transmission mechanism, so that the transmission mechanism disconnects the vacuum arc chamber corresponding to the bus sensor; if it is within the normal operating current range, the intelligent control device instructs the closing sensor to send a closing instruction to the transmission mechanism, so that the transmission mechanism closes the vacuum arc chamber corresponding to the bus sensor.

[0017] Optionally, the vacuum circuit breaker further comprises:

[0018] Energy storage motors for remote electric energy storage.

[0019] Optionally, the switch cabinet further includes:

[0020] A grounding connection bar and a grounding switch, wherein the grounding switch is connected to three conductive loops via the grounding connection bar, and the grounding switch is used for safe grounding during maintenance.

[0021] Optionally, the switch cabinet further includes:

[0022] Three lightning protection connection bars and three lightning arresters, each of the lightning arresters is connected to each conductive circuit through each of the lightning protection connection bars.

[0023] Optionally, the partial discharge sensor is in a "rectangular state" and has "bow"-shaped snap-on spring clips on both sides. It is installed on the rear side of the cable room of the switch cabinet. The switch cabinet body has a rectangular opening. During installation, the "bow"-shaped snap-on spring clips on the left and right sides are pinched to a vertical state. After the installation is completed, the back side automatically pops out into a "bow" shape to play a limiting role.

[0024] Optionally, the switch cabinet further includes:

[0025] Three throat hoops are used to fix the temperature sensor on the plum blossom contact.

[0026] According to the specific embodiments provided by the present invention, the present invention discloses the following technical effects:

[0027] The present invention relates to a holographic sensing switch cabinet, wherein each temperature sensor is arranged at each plum blossom contact to detect the temperature of the plum blossom contact, and sends the temperature to an intelligent control device; the intelligent control device determines whether the temperature is within a normal operating temperature range; if it is not within the normal operating temperature range, the opening sensor sends an opening instruction to a transmission mechanism, so that the transmission mechanism disconnects a vacuum arc extinguishing chamber corresponding to the temperature sensor; if it is within the normal operating temperature range, the closing sensor sends a closing instruction to the transmission mechanism, so that the transmission mechanism closes the vacuum arc extinguishing chamber corresponding to the temperature sensor, thereby realizing online monitoring of the insulation state of the equipment and avoiding serious accidents during operation of the high-voltage switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0029] Figure 1 The three views of the holographic sensing switch cabinet of the present invention;

[0030] Figure 2 This is a schematic diagram of the internal structure of the holographic sensing switch cabinet of the present invention;

[0031] Figure 3 This is the appearance diagram of the vacuum circuit breaker of the present invention;

[0032] Figure 4 This is a structural diagram of the internal mechanism of the vacuum circuit breaker of the present invention;

[0033] Figure 5 This is the appearance diagram of the energy storage motor of the vacuum circuit breaker of the present invention;

[0034] Figure 6 This is the appearance diagram of the opening and closing sensor of the vacuum circuit breaker of the present invention;

[0035] Figure 7 This is the appearance diagram of the throat hoop of the present invention;

[0036] Figure 8 This is an outline diagram of the fixing method of the temperature sensor of the present invention;

[0037] Fig. 9 This is an outline diagram of the partial discharge sensor of the present invention;

[0038] Fig.10 This is the appearance diagram of the busbar sensor of the present invention;

[0039] Fig.11 This is an outline diagram of the intelligent control device of the present invention;

[0040] Fig.12 The figure is a layout diagram of the wiring terminals at the rear of the intelligent control device of the present invention;

[0041] Explanation of symbols:

[0042] 1. Switch cabinet, 2. Vacuum circuit breaker, 3. Inter-cabinet connecting busbar, 4. Upper connecting busbar, 5. Switch cabinet static contact, 6. Upper and lower contact arms, 7. Vacuum interrupter, 8. Soft connection, 9. Lower connecting busbar, 10. Current transformer, 11. Partial discharge sensor, 12. Lightning protection connection bar, 13. Lightning arrester, 14. Cable incoming line, 15. Grounding connection bar, 16. Grounding switch, 17. Opening sensor, 18. Closing sensor, 19. Energy storage motor, 20. Intelligent control device, 21. Plum blossom contact, 22. Temperature sensor, 23. Busbar sensor, 24. Throat clamp. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0044] The purpose of the present invention is to provide a holographic sensing switch cabinet to realize online monitoring of the insulation status of equipment.

[0045] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0046] Figure 1 (a) shows the main view of the holographic sensing switch cabinet. Figure 1 (b) shows the left view of the holographic sensing switch cabinet. Figure 1 (c) in the figure shows the right view of the holographic sensing switch cabinet. Figure 1-Figure 2 As shown, the present invention provides a holographic sensing switch cabinet, and the switch cabinet 1 includes:

[0047] 3 temperature sensors 22, intelligent control device 20, vacuum circuit breaker 2, 3 upper connecting busbars 4, 3 inter-cabinet connecting busbars 3, 3 lower connecting busbars 9, 3 current transformers 10, 3 switch cabinet static contacts 5 and 3 cable incoming lines 14. Among them, the vacuum circuit breaker 2 includes: 3 upper contact arms 6, 3 lower contact arms 6, 3 vacuum interrupter chambers 7, 3 soft connections 8, 3 plum blossom contacts 21, a transmission mechanism (not shown in the figure), a switch-off sensor 17 and a switch-on sensor 18, as shown in detail. Figure 3-Figure 4 As shown, the appearance structure of the opening sensor 17 and the closing sensor 18 is as follows Figure 6 As shown, the opening sensor 17 sends an opening command through B1 and B2, and the closing sensor 18 sends a closing command through C1 and C2.

[0048] The intelligent control device 20 is connected to each of the temperature sensors 22, the opening sensor 17 and the closing sensor 18 respectively, and the opening sensor 17 and the closing sensor 18 are connected to the three vacuum interrupters 7 respectively through the transmission mechanism; an inter-cabinet connecting busbar 3, an upper connecting busbar 4, a switch cabinet static contact 5, an upper contact arm 6, a vacuum interrupter 7, a soft connection 8, a lower contact arm 6, a lower connecting busbar 9, a current transformer 10, and a cable inlet 14 are connected and conducted in sequence to form a conductive loop. Because three phases A, B and C are involved, three conductive loops will be generated.

[0049] Each temperature sensor 22 is arranged at each petal contact 21. The temperature sensor 22 is used to detect the temperature of the petal contact 21 and send the temperature to the intelligent control device 20; the intelligent control device 20 determines whether the temperature is within the normal operating temperature range; if it is not within the normal operating temperature range, the opening sensor 17 is made to send an opening instruction to the transmission mechanism so that the transmission mechanism disconnects the vacuum interrupter 7 corresponding to the temperature sensor 22; if it is within the normal operating temperature range, the closing sensor 18 is made to send a closing instruction to the transmission mechanism so that the transmission mechanism closes the vacuum interrupter 7 corresponding to the temperature sensor 22.

[0050] In this embodiment, the model of the temperature sensor 22 is QTWD-200k1, the model of the intelligent control device 20 is QT8000I, the vacuum circuit breaker 2 is a VS□-12 vacuum circuit breaker, the model of the static contact 5 of the switch cabinet is 8QT.KYN.008, and the model of the cable inlet 14 is 8QT.KYN.008. The models of the upper contact arm 6 and the lower contact arm 6 are both 8QT.VS1.001, the model of the vacuum interrupter 7 is 8QT.VS1.002, the model of the flexible connection 8 is 8QT.VS1.003, the model of the petal contact 21 is 8QT.VS1.004, the model of the opening sensor 17 is QTFQ, and the model of the closing sensor 18 is QTHQ.

[0051] The VS□-12 vacuum circuit breaker is a draw-out circuit breaker and can be pulled out for maintenance or replacement in the switch cabinet 1; when the vacuum circuit breaker 2 is pushed into the switch cabinet 11, as Figure 2 shown, the holographic perception type switch cabinet 1 is divided into three phases A, B, and C. From top to bottom and from left to right, the connection methods are the same. Taking phase A as an example: the inter-cabinet connecting busbar 3, the upper connecting busbar 4, the static contact 5 of the switch cabinet, the upper contact arm 6, the vacuum interrupter 7, the flexible connection 8, the lower contact arm 6, the lower connecting busbar 9, the current transformer 10, and the cable inlet 14 are connected in sequence to form a conductive loop. Each of phase B and phase C forms a conductive loop, and there are a total of three conductive loops.

[0052] As an optional embodiment, the switch cabinet 1 of the present invention further includes: a partial discharge sensor 11, which is installed at the rear side of the cable room of the switch cabinet 1 and is used to detect partial discharge electromagnetic wave signals. The intelligent control device 20 is connected to the partial discharge sensor 11, and the intelligent control device 20 is used to determine whether the partial discharge electromagnetic wave signal is within the normal partial discharge working range; if it is not within the normal partial discharge working range, the intelligent control device 20 displays an abnormality and alarms. Further, the intelligent control device 20 is used to determine whether the partial discharge electromagnetic wave signal is within the normal partial discharge working range; if it is not within the normal partial discharge working range, the intelligent control device 20 instructs the opening sensor 17 to send an opening instruction to the transmission mechanism so that the transmission mechanism disconnects the three vacuum arc extinguishing chambers 7; if it is within the normal partial discharge working range, the intelligent control device 20 instructs the closing sensor 18 to send a closing instruction to the transmission mechanism so that the transmission mechanism closes the three vacuum arc extinguishing chambers 7. The model of the partial discharge sensor 11 in this embodiment is QTJF-100PC, and the appearance diagram of the partial discharge sensor 11 is shown in the figure. Fig. 9 shown.

[0053] As an optional embodiment, the switch cabinet 1 of the present invention further includes: 3 bus sensors 23, fixed on each lower connecting busbar 9, for sensing the incoming line current. The intelligent control device 20 is connected to the bus sensor 23, and the intelligent control device 20 is used to determine whether the incoming line current is within the normal working current range; if it is not within the normal working current range, the intelligent control device 20 displays an abnormality and alarms. Further, the intelligent control device 20 is used to determine whether the incoming line current is within the normal working current range; if it is not within the normal working current range, the intelligent control device 20 instructs the opening sensor 17 to send an opening instruction to the transmission mechanism, so that the transmission mechanism disconnects the vacuum interrupter 7 corresponding to the bus sensor 23; if it is within the normal working current range, the intelligent control device 20 instructs the closing sensor 18 to send a closing instruction to the transmission mechanism, so that the transmission mechanism closes the vacuum interrupter 7 corresponding to the bus sensor 23. In this embodiment, the model of the bus sensor 23 is QTWD-200k2. In this embodiment, each bus sensor 23 is fixed to each lower connecting busbar 9 by a self-adhesive tape. The busbar sensor 23 has an appearance as follows: Fig.10 As shown, the bus sensor 23 outputs the incoming line current through F1 and F2.

[0054] The normal operating current range, normal partial discharge operating range and normal operating temperature range disclosed in the present invention can be adjusted and set as parameters according to project requirements. In this embodiment, the normal operating current range is set to 4.5-5.5A, the normal partial discharge operating range is set to 0-20PC, and the normal operating temperature range is set to 30-60°. If the above range is exceeded, the circuit breaker will trip and send a trip signal.

[0055] As an optional implementation, the vacuum circuit breaker 2 of the present invention further includes: an energy storage motor 19 for remote electric energy storage. In this embodiment, the model of the energy storage motor 19 is QTM. Figure 5 As shown, the energy storage motor 19 performs remote electric energy storage via A1 and A2.

[0056] As an optional embodiment, the switch cabinet 1 of the present invention further includes: a grounding connection bar 15 and a grounding switch 16. The grounding switch 16 is connected to three conductive circuits through the grounding connection bar 15. When each conductive circuit is disconnected, the grounding switch 16 is used for safe grounding during maintenance. In this embodiment, the model of the grounding switch 16 is 2QT.JDK.001, and the model of the grounding connection bar 15 is 8QT.KYN.009.

[0057] As an optional embodiment, the switch cabinet 1 of the present invention also includes: 3 lightning protection connection bars 12 and 3 lightning arresters 13, and the i-th lightning arrester 13 is connected to the i-th conductive circuit through the i-th lightning protection connection bar 12. i is 1, 2 and 3, the model of the lightning protection connection bar 12 is 8QT.KYN.009, and the model of the lightning arrester 13 is HY5WS-17 / 45. Once an abnormal voltage appears, the lightning arrester 13 will be activated to play a protective role. When the equipment is running under normal operating voltage, the lightning arrester 13 will not take effect and is regarded as a short circuit to the ground. Once a high voltage appears, the lightning arrester 13 will immediately act to direct the high voltage impact current to the ground, thereby limiting the voltage amplitude and playing a protective role.

[0058] As an optional embodiment, the partial discharge sensor 11 of the present invention is in a "rectangular state" and has "bow"-shaped snap-on springs on both sides. It is installed on the rear side of the cable room of the switch cabinet 1. The switch cabinet 1 body has a rectangular opening. When installing, pinch the "bow"-shaped snap-on springs on the left and right sides to a vertical state. After the installation is completed, the back automatically pops up into a "bow" shape to play a limiting role. The definition of partial discharge refers to the non-penetrating discharge between electrodes of the insulating medium in high-voltage electrical appliances under the action of high electric field strength. It is known that after partial discharge, pulse current and other characteristics will be generated. According to this characteristic of partial discharge, the developed partial discharge sensor 11 monitors the partial discharge of the conductive circuit online. When the holographic sensing switch cabinet 1 is in the energized working state, according to the national standard requirements, the partial discharge is less than 20pC and will be displayed as normal in the intelligent device module. When it exceeds 20pC, the partial discharge pulse current will form an electromagnetic wave signal, and the partial discharge sensor 11 will receive a strong signal, which will be displayed abnormally and alarmed in the intelligent device module. Based on the principle of "electromagnetic field", it receives the ultra-high frequency electromagnetic waves radiated during the partial discharge process through the partial discharge sensor 11, thereby realizing the detection of partial discharge. The partial discharge sensor 11 receives the discharge electromagnetic wave signal in the conductive circuit of the switch cabinet 1, and outputs it to the intelligent control device 20 module through E1 and E2, so that the intelligent control device 20 determines whether to alarm.

[0059] As an optional embodiment, the switch cabinet 1 of the present invention further includes: a throat hoop 24, which is used to fix the temperature sensor 22 on the plum blossom contact 21, and the model of the throat hoop 24 is QTHG. Figure 7 As shown, the temperature sensor 22 is fixed in the shape of Figure 8 As shown. The throat hoop 24 is a soft magnetic alloy, in the form of a "rectangular notch" conductive tape, with a "cylindrical" nut stuck on one end, and the other end is tightened by screws to form a circle. The throat hoop 24 has good magnetic conductivity and can better sense electricity. The throat hoop 24 fixes the temperature sensor 22 on the plum blossom contact 21. The plum blossom contact 21 is a conductor that directly engages with the static contact when the vacuum circuit breaker 2 is pushed into the switch cabinet 1. This is the "dynamic" and "static" combination point, and it is also a weak point. Therefore, installing the temperature sensor 22 here can better reflect the status of the switch product; by transmitting the temperature signal, the operating temperature of the monitoring position can be accurately measured, and the online monitoring of the operating temperature of the switch cabinet 1 can be realized. The temperature detected by the temperature sensor 22 is output to the intelligent control device 20 through D1 and D2, so that the intelligent control device 20 can determine whether to alarm.

[0060] like Fig.11As shown, the intelligent control device 20 of the present invention transmits data to the background data center through the communication protocol interface RS-485, protocol 101 or 104, and wireless module 3G / 4G / 5G / 6G, providing security for the operation process of the switch cabinet 1, giving an alarm when the data is out of range, timely discovering the operation defects of the switch cabinet 1, and providing judgment for evaluating the insulation level and aging degree, providing a strong basis for the maintenance work of the switch cabinet 1.

[0061] like Fig.12 As shown, A1 and A2 are connected to a3 and a4 of the intelligent control device 20 through wires; B1 and B2 are connected to a5 and a6 of the intelligent control device 20 through wires; C1 and C2 are connected to a7 and a8 of the intelligent control device 20 through wires; wherein a1 and a2 are communication protocol interfaces, which are transmitted to the background data center through the communication protocol interface RS-485, protocol 101 or 104, and wireless module 3G / 4G / 5G / 6G; the switch output signals a10 and a11 are protection closing; a12, a13 are protection tripping; a14, a15 are tripping signals; a16, a17 are alarm signals; a18, a19 are connected to the power supply; a20 is grounded; F1, F2 three sensors A, B, C are connected to b3, b4, b5, b6, b7, b8 in turn; b1, b2 are zero sequence current; D1, D2 three sensors A, B, C are connected to b10, b11, b12, b13, b14, b15 in turn; E1, E2 are connected to b19, b20. B17, b18, b19 are connected to the voltage reserved point.

[0062] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0063] This article uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only used to help understand the core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A holographic sensing switch cabinet, characterized in that: The switch cabinet comprises: 3 temperature sensors, an intelligent control device, a vacuum circuit breaker, 3 upper connecting busbars, 3 inter-cabinet connecting busbars, 3 lower connecting busbars, 3 current transformers, 3 switch cabinet static contacts and 3 cable incoming lines; wherein the vacuum circuit breaker comprises: 3 upper contact arms, 3 lower contact arms, 3 vacuum interrupters, 3 soft connections, 3 plum blossom contacts, a transmission mechanism, an opening sensor and a closing sensor; the intelligent control device is respectively connected to each of the temperature sensors, the opening sensor and the closing sensor, and the opening sensor and the closing sensor are respectively connected to the 3 vacuum interrupters through the transmission mechanism; A total of three conductive loops are generated; among them, a cabinet connecting busbar, an upper connecting busbar, a switch cabinet static contact, an upper contact arm, a vacuum interrupter, a soft connection, a lower contact arm, a lower connecting busbar, a current transformer, and a cable inlet are connected and conducted in sequence to form a conductive loop; The switch cabinet further comprises: 3 throat hoops, used to fix the temperature sensor on the plum blossom contact; Each temperature sensor is arranged at each plum blossom contact, and the temperature sensor is used to detect the temperature of the plum blossom contact and send the temperature to the intelligent control device; the intelligent control device determines whether the temperature is within the normal operating temperature range; if it is not within the normal operating temperature range, the opening sensor sends an opening instruction to the transmission mechanism, so that the transmission mechanism disconnects the vacuum interrupter corresponding to the temperature sensor; if it is within the normal operating temperature range, the closing sensor sends a closing instruction to the transmission mechanism, so that the transmission mechanism closes the vacuum interrupter corresponding to the temperature sensor; The switch cabinet further comprises: a partial discharge sensor, which is installed at the rear side of the cable room of the switch cabinet and is used to detect partial discharge electromagnetic wave signals; the intelligent control device is connected to the partial discharge sensor, and is used to determine whether the partial discharge electromagnetic wave signal is within the normal partial discharge working range; if it is not within the normal partial discharge working range, the intelligent control device displays an abnormality and alarms; specifically comprising: if it is not within the normal partial discharge working range, the intelligent control device instructs the opening sensor to send an opening instruction to the transmission mechanism, so that the transmission mechanism disconnects the three vacuum interrupters; if it is within the normal partial discharge working range, the intelligent control device instructs the closing sensor to send a closing instruction to the transmission mechanism, so that the transmission mechanism closes the three vacuum interrupters; The partial discharge sensor is in a "rectangular state" and has "bow"-shaped snap-on springs on both sides. It is installed at the rear side of the cable room of the switch cabinet. The switch cabinet body has a rectangular opening. When installing, pinch the "bow"-shaped snap-on springs on the left and right sides to a vertical state. After the installation is completed, the back side automatically pops up into a "bow" shape to play a limiting role; The switch cabinet further comprises: 3 busbar sensors, which are respectively fixed on each lower connecting busbar and are used to sense the incoming line current; The intelligent control device is connected to each of the bus sensors, and is used to determine whether each incoming line current is within the normal operating current range; if it is not within the normal operating current range, the intelligent control device displays an abnormality and alarms; specifically including: if it is not within the normal operating current range, the intelligent control device instructs the opening sensor to send an opening instruction to the transmission mechanism, so that the transmission mechanism disconnects the vacuum arc chamber corresponding to the bus sensor; if it is within the normal operating current range, the intelligent control device instructs the closing sensor to send a closing instruction to the transmission mechanism, so that the transmission mechanism closes the vacuum arc chamber corresponding to the bus sensor.

2. The holographic sensing switch cabinet according to claim 1, characterized in that: The vacuum circuit breaker further comprises: Energy storage motors for remote electric energy storage.

3. The holographic sensing switch cabinet according to claim 1, characterized in that: The switch cabinet also includes: A grounding connection bar and a grounding switch, wherein the grounding switch is connected to three conductive loops via the grounding connection bar, and the grounding switch is used for safe grounding during maintenance.

4. The holographic sensing switch cabinet according to claim 1, characterized in that: The switch cabinet also includes: Three lightning protection connection bars and three lightning arresters, each of the lightning arresters is connected to each conductive circuit through each of the lightning protection connection bars.

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