Generator augmentation device

Abstract

The utility model relates to generator equipment technical field, concretely is a kind of generator power supply device, including generator, generator is connected to air compressor, workshop power circuit, filling station respectively by circuit, the bus line of generator is equipped with four circuit breaker, the outer end of bus line is connected with first branch, second branch, first branch is connected into air compressor by three anti-misoperation knife gap, second branch is connected into workshop power circuit by one anti-misoperation knife gap.The generator power supply device in, in terms of circuit layout and power supply efficiency, device will generator bus line reasonable branch be first branch and second branch, connect to air compressor, workshop power circuit and filling station respectively by anti-misoperation knife gap, without for each power target individually arranging complex line, greatly simplify the circuit structure, reduce space occupancy.Each branch line's synergic cooperation makes that power supply path is clear, reduces the difficulty and cost of line maintenance, improves the stability and high efficiency of overall power supply system.

Description

Technical Field

[0001] This utility model relates to the field of generator equipment technology, and more specifically, to a generator power distribution device. Background Technology

[0002] In industrial production, generators are widely used as important emergency and supplementary power supply equipment in workshop production, large equipment operation, and power supply for specific sites. However, existing generator power distribution systems have many limitations in practical applications: On the one hand, when power needs to be supplied to multiple targets (such as workshops, air compressors, filling stations, etc.), traditional power distribution lines often need to be laid out separately with multiple branch lines, and there is a lack of flexible switching mechanism between the lines, resulting in complex line layout, large space occupation, and increased difficulty and cost of line maintenance. On the other hand, during the switching process between mains power and generator power, as well as the switching between power supplies for different power users, the lack of an effective anti-misoperation structure makes it easy for situations such as accidental closing or opening of the circuit breaker to occur. This can not only cause equipment damage but also pose significant safety hazards, seriously affecting the continuity and safety of production. Furthermore, existing power distribution equipment has a relatively limited function, making it difficult to achieve precise power supply control for different equipment based on actual power demand. In emergency situations such as sudden power outages, it cannot quickly switch power supply modes, potentially leading to production interruptions and economic losses. Therefore, there is an urgent need for a generator-based power distribution system that can provide flexible power supply to multiple targets, has anti-misoperation capabilities, and allows for convenient switching, in order to solve these problems. Utility Model Content

[0003] The purpose of this utility model is to provide a generator power distribution device to solve the problems mentioned in the background art, where traditional power distribution lines often need to be laid out separately when power needs to be supplied to multiple targets (such as workshops, air compressors, filling stations, etc.), and there is a lack of flexible switching mechanism between the lines, resulting in complex line layout, large space occupation, and increased difficulty and cost of line maintenance.

[0004] To achieve the above objectives, this utility model provides a generator power distribution device, including a generator. The generator is connected to an air compressor, a workshop power line, and a filling station via lines. A No. 4 circuit breaker is installed on the main line of the generator. The outer end of the main line is connected to a first branch and a second branch. The first branch is connected to the air compressor through a No. 3 anti-misoperation switch, and the second branch is connected to the workshop power line through a No. 1 anti-misoperation switch.

[0005] This setup uses a generator as the power source, with a first branch and a second branch extending from the main line. Circuit breaker number four on the main line controls the overall power supply. The first branch connects to the air compressor via anti-misoperation switch number three, and the second branch connects to the workshop's power line via anti-misoperation switch number one, forming the basic power supply line framework from the generator to the three targets.

[0006] Preferably, the input and output terminals of the first anti-misoperation switch are connected in parallel to the second switch.

[0007] This setting connects the No. 2 disconnect switch in parallel to the input and output ends of the No. 1 anti-misoperation disconnect switch, so that the No. 2 disconnect switch and the No. 1 anti-misoperation disconnect switch form a parallel path control structure, and the two can independently control the on / off of the corresponding lines.

[0008] Preferably, both the No. 1 and No. 3 anti-misoperation switches are bidirectional switches. One end of the No. 3 anti-misoperation switch enables the opening and closing of the first branch and the air compressor, while the other end enables the opening and closing of the workshop power line. One end of the No. 1 anti-misoperation switch enables the opening and closing of the workshop power line, while the other end enables the opening and closing of the filling station.

[0009] This setup includes two bidirectional switches, No. 1 and No. 3, each with its two ends corresponding to different power supply targets or line connections. One end of the No. 3 switch connects to the first branch and the air compressor, while the other end connects to the workshop's power line. One end of the No. 1 switch controls the workshop's power line, while the other end controls the filling station. Different power supply connections are achieved through the different states of the switches.

[0010] Preferably, the No. 1 and No. 3 anti-misoperation knife switches are equipped with anti-misoperation settings, including a knife switch panel, a knife switch handle is installed on the knife switch panel, the knife switch handle is used to open and close the knife switch by swinging, an anti-misoperation stop bar is installed on the swing path of the knife switch handle, and the anti-misoperation stop bar is locked to the knife switch panel by a lock.

[0011] This feature is located on the knife switch panel. The knife switch handle is opened and closed by swinging, and an anti-misoperation lever is installed along its swing path. This anti-misoperation lever is locked by a lock. When the lock is locked, the anti-misoperation lever prevents the knife switch handle from swinging, thus preventing accidental operation; after unlocking, the knife switch handle can be operated normally by swinging.

[0012] Preferably, the anti-misoperation lever includes a fixed rod, on which a plug sleeve is fitted. Both the plug sleeve and the fixed rod are provided with locking holes. The lock is locked in the locking holes, and the swing trajectory of the knife switch handle is blocked by the plug sleeve.

[0013] This anti-misoperation barrier consists of a fixed rod and a plug-in sleeve fitted on top of it. Both have locking holes, through which a lock secures the plug-in sleeve to the fixed rod. The position of the plug-in sleeve determines the range of obstruction of the swing trajectory of the knife switch handle. By adjusting and locking the position of the plug-in sleeve on the fixed rod, the obstruction effect can be precisely controlled.

[0014] Preferably, when the No. 2 disconnect switch is in the normally open state, first close one end of the workshop power line of the No. 1 anti-misoperation disconnect switch, and then close the No. 4 circuit breaker to connect the workshop power line; when one end of the workshop power line of the No. 3 anti-misoperation disconnect switch is closed, the air compressor can be powered.

[0015] When the No. 2 disconnect switch is normally open, the workshop power line terminal of the No. 1 anti-misoperation disconnect switch is closed, forming a circuit with the No. 4 circuit breaker. The current flows to the workshop power line through the second branch and the No. 1 anti-misoperation disconnect switch. When the workshop power line terminal of the No. 3 anti-misoperation disconnect switch is closed, the current flows to the air compressor through the first branch and the No. 3 anti-misoperation disconnect switch.

[0016] Preferably, when the No. 1 anti-misoperation switch is in the normally open state, the filling station end of the No. 1 anti-misoperation switch is closed first, and then the No. 4 circuit breaker is closed to realize the power supply to the filling station; the air compressor end of the No. 3 anti-misoperation switch is closed to realize the power supply to the air compressor when the mains power fails.

[0017] When the No. 1 anti-misoperation switch is normally open, its closing at the filling station end forms a circuit with the closing of the No. 4 circuit breaker, providing power to the filling station; when the No. 3 anti-misoperation switch is closed at the air compressor end, the generator current flows to the air compressor through the first branch and the No. 3 anti-misoperation switch, realizing emergency power supply in the event of a mains power outage.

[0018] Preferably, when mains power is required, when the No. 1 anti-misoperation switch is in the normally open state, closing one end of the workshop power line of the No. 3 anti-misoperation switch can realize the mains power supply to the air compressor, and closing the No. 2 switch can realize the power supply to the filling station.

[0019] When the mains power supply is used, the No. 1 anti-misoperation switch is normally open, and the workshop power line terminal of the No. 3 anti-misoperation switch is closed. The mains power flows to the air compressor through the workshop power line and the No. 3 anti-misoperation switch. When the No. 2 switch is closed, the mains power flows to the filling station through the No. 2 switch, forming a mains power supply path for both.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows: In this generator power distribution system, regarding line layout and power supply efficiency, the system rationally branches the main generator line into a first branch and a second branch. These branches are connected to the air compressor, workshop power lines, and filling station respectively via anti-misoperation disconnect switches. This eliminates the need for complex wiring for each power-consuming target, significantly simplifying the line structure and reducing space occupation. Simultaneously, the coordinated operation of each branch line ensures a clear power supply path, reducing the difficulty and cost of line maintenance and improving the stability and efficiency of the overall power supply system. In terms of operational safety and error prevention, the anti-misoperation features of the No. 1 and No. 3 anti-misoperation switch played a crucial role. The anti-misoperation stop lever is locked to the switch panel by a lock, effectively preventing accidental swinging of the switch handle and physically avoiding accidental closing or opening. In particular, the combination design of the fixed rod and the plug-in sleeve, along with the locking hole and lock, further enhances the reliability of error prevention, greatly reducing the risk of equipment damage and safety accidents, and ensuring the continuity and safety of production. In terms of power supply flexibility and adaptability, the bidirectional switch design of the anti-misoperation disconnector provides the device with diverse power supply switching capabilities. Whether powered by a generator or mains power, rapid switching can be achieved through different opening and closing states of the disconnector: for example, by controlling the closing of different ends of the No. 1 anti-misoperation disconnector, power supply to the workshop's power lines or the filling station can be flexibly achieved; the two ends of the No. 3 anti-misoperation disconnector correspond to the connection between the air compressor and the workshop's power lines, respectively, ensuring emergency power supply to the air compressor during mains power outages and enabling mains power supply to the air compressor when mains power is normal. Furthermore, the parallel connection of the No. 2 disconnector with the No. 1 anti-misoperation disconnector further expands the power supply control options, allowing the device to quickly adjust the power supply mode according to actual power demand. In response to emergencies such as sudden power outages, it can quickly switch to a suitable power supply state, avoiding economic losses caused by production interruptions. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the knife switch panel in this utility model; Figure 3 This is a schematic diagram of the anti-misoperation lever in this utility model; The meanings of the labels in the diagram are as follows: 1. Generator; 11. Main line; 12. First branch; 13. Second branch; 2. Air compressor; 3. Workshop power lines; 4. Filling station; 5. No. 1 anti-misoperation switch; 6. No. 2 switch; 7. No. 3 anti-misoperation switch; 8. No. 4 circuit breaker; 9. Switch panel; 91. Switch handle; 92. Anti-misoperation stop bar; 921. Fixing rod; 922. Plug-in sleeve; 923. Locking hole; 93. Lock. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] This utility model provides a generator power distribution device, such as... Figure 1 As shown, the system includes a generator 1, which is connected to an air compressor 2, a workshop power line 3, and a filling station 4 via lines. A circuit breaker 8 is installed on the main line 11 of the generator 1. The outer end of the main line 11 is connected to a first branch 12 and a second branch 13. The first branch 12 is connected to the air compressor 2 through a third anti-misoperation switch 7, and the second branch 13 is connected to the workshop power line 3 through a first anti-misoperation switch 5.

[0024] Generator 1 serves as the power source, with circuit breaker 8 (number four) on its main line 11 controlling the overall power supply. The first branch 12, extending from the outer end of main line 11, connects to air compressor 2 via anti-misoperation switch 7 (number three). The second branch 13 connects to workshop power line 3 via anti-misoperation switch 5, thus establishing the basic power supply path from generator 1 to air compressor 2 and workshop power line 3. This simplified circuit design enables generator 1 to supply power to multiple targets. The design of main line 11 and its branches reduces line redundancy, and circuit breaker 8 can quickly disconnect the main power supply, ensuring electrical safety and providing a foundation for flexible power supply switching in the future.

[0025] In this embodiment, as Figure 1 As shown, the input and output terminals of the first anti-misoperation switch 5 are connected in parallel to the second switch 6.

[0026] A second disconnector 6 is connected in parallel across the input and output terminals of the first anti-misoperation disconnector 5, forming a parallel control path between the second disconnector 6 and the first anti-misoperation disconnector 5. Both independently control the on / off state of their respective lines. This improves the reliability of the power supply system. When the first anti-misoperation disconnector 5 fails or is under maintenance, the second disconnector 6 can replace its control line, preventing power outages and increasing the flexibility of power supply control.

[0027] Specifically, such as Figure 1 As shown, both the No. 1 anti-misoperation switch 5 and the No. 3 anti-misoperation switch 7 are bidirectional switches. One end of the No. 3 anti-misoperation switch 7 enables the opening and closing of the first branch 12 and the air compressor 2, and the other end enables the opening and closing of the workshop power line 3. One end of the No. 1 anti-misoperation switch 5 enables the opening and closing of the workshop power line 3, and the other end enables the opening and closing of the filling station 4.

[0028] The No. 1 anti-misoperation switch 5 and the No. 3 anti-misoperation switch 7 are bidirectional switches. One end of the No. 3 anti-misoperation switch 7 controls the connection between the first branch 12 and the air compressor 2, and the other end controls the connection with the workshop power line 3. One end of the No. 1 anti-misoperation switch 5 controls the workshop power line 3, and the other end controls the filling station 4. Different power supply connections can be achieved by switching the switch states. This greatly improves the flexibility of power supply. Operating the No. 1 anti-misoperation switch 5 can switch the power supply between the workshop power line 3 and the filling station 4, and operating the No. 3 anti-misoperation switch 7 can switch between the air compressor 2 and the workshop power line 3, adapting to diverse production power needs.

[0029] Furthermore, such as Figure 2 As shown, the No. 1 anti-misoperation switch 5 and the No. 3 anti-misoperation switch 7 are equipped with anti-misoperation settings, including a switch panel 9, on which a switch handle 91 is installed. The switch handle 91 opens and closes the switch by swinging. An anti-misoperation stop bar 92 is installed on the swing path of the switch handle 91. The anti-misoperation stop bar 92 is locked to the switch panel 9 by a lock 93.

[0030] The knife switch handle 91 on the knife switch panel 9 is opened and closed by swinging. An anti-misoperation lever 92 along its swing path is locked to the knife switch panel 9 by a lock 93. When locked, it prevents the knife switch handle 91 from swinging; when unlocked, it can be operated normally. This physically prevents misoperation. The anti-misoperation lever 92, in conjunction with the lock 93, avoids accidental closing or opening of the knife switch due to accidental swinging of the knife switch handle 91, ensuring the safety of operators and equipment and improving operational reliability.

[0031] Furthermore, such as Figure 3 As shown, the anti-misoperation lever 92 includes a fixed lever 921, a plug sleeve 922 is sleeved on the fixed lever 921, and both the plug sleeve 922 and the fixed lever 921 are provided with locking holes 923. The lock 93 is locked in the locking hole 923, and the swing trajectory of the knife switch handle 91 is blocked by the plug sleeve 922.

[0032] The anti-misoperation stop lever 92 has a plug-in sleeve 922 fitted onto its fixing rod 921. Both have locking holes 923. A lock 93 locks the plug-in sleeve 922 into the locking holes 923. The position of the plug-in sleeve 922 determines the range of obstruction of the swing trajectory of the knife switch handle 91. This allows the obstruction range of the anti-misoperation stop lever 92 to be adjusted. By changing the position of the plug-in sleeve 922 on the fixing rod 921, it can adapt to the swing requirements of different knife switch handles 91, enhancing the adaptability and accuracy of anti-misoperation.

[0033] Furthermore, such as Figure 1 As shown, when the No. 2 disconnector 6 is in the normally open state, first close one end of the workshop power line 3 of the No. 1 anti-misoperation disconnector 5, and then close the No. 4 circuit breaker 8 to connect the workshop power line 3; when one end of the workshop power line 3 of the No. 3 anti-misoperation disconnector 7 is closed, the air compressor 2 can be powered.

[0034] When switch 6 (No. 2) is normally open, the workshop power line 3 terminal of switch 5 (No. 1) is closed, and then circuit breaker 8 (No. 4) is closed. Current flows through branch 13 and switch 5 to workshop power line 3. When switch 7 (No. 3) is closed, current flows through branch 12 and switch 7 to air compressor 2. This clearly defines the power supply control method for workshop power line 3 and air compressor 2 under this state. The operational logic is clear, easy to master quickly, ensures accurate and efficient power supply, and guarantees normal production.

[0035] Furthermore, such as Figure 1 As shown, when the No. 1 anti-misoperation switch 5 is in the normally open state, first close one end of the No. 1 anti-misoperation switch 5 to the filling station 4, and then close the No. 4 circuit breaker 8 to realize the power supply to the filling station 4; when the No. 3 anti-misoperation switch 7 closes one end of the air compressor 2, the power supply to the air compressor 2 can be realized when the mains power fails.

[0036] When the No. 1 anti-misoperation switch 5 is normally open, its terminal at filling station 4 closes, which in turn closes the No. 4 circuit breaker 8, forming a power supply path to filling station 4. When the No. 3 anti-misoperation switch 7 closes at the air compressor 2 terminal, the current from generator 1 flows to air compressor 2 through the first branch 12 and the No. 3 anti-misoperation switch 7, providing emergency power supply during mains power outages. This enables independent power supply control from generator 1 to filling station 4, as well as emergency power supply to air compressor 2 during mains power outages, ensuring power supply to critical equipment and reducing production interruption losses caused by power outages.

[0037] Furthermore, such as Figure 1 As shown, when mains power is required, when the No. 1 anti-misoperation switch 5 is in the normally open state, closing one end of the workshop power line 3 of the No. 3 anti-misoperation switch 7 can realize the mains power supply to the air compressor 2, and closing the No. 2 switch 6 can realize the power supply to the filling station 4.

[0038] When the mains power supply is applied, the No. 1 anti-misoperation switch 5 is normally open, and the workshop power line 3 terminal of the No. 3 anti-misoperation switch 7 is closed. The mains power flows to the air compressor 2 via the workshop power line 3 and the No. 3 anti-misoperation switch 7. When the No. 2 switch 6 is closed, the mains power flows to the filling station 4 via the No. 2 switch 6. This clarifies the power supply control mode for the air compressor 2 and the filling station 4 when the mains power supply is applied, enabling orderly switching between mains power and generator 1 power supply, efficient use of mains power, reduced energy consumption of generator 1, and improved economy and flexibility of the power supply system.

[0039] When the generator power distribution device of this utility model is in use, the initial state is as follows: No. 2 disconnector 6 is kept open, No. 1 anti-misoperation disconnector 5 and No. 3 anti-misoperation disconnector 7 are initially disconnected, and No. 4 circuit breaker 8 is disconnected. Operating steps: First, close the workshop power line 3 end of the No. 1 anti-misoperation switch 5 to make the second branch 13 and the workshop power line 3 form a circuit; then close the No. 4 circuit breaker 8 on the main line 11. The current of generator 1 flows to the workshop power line 3 through the main line 11, the second branch 13, and the No. 1 anti-misoperation switch 5 to complete the power supply to the workshop. The generator provides emergency power to the air compressor during mains power outages. Initial state: Mains power interrupted, circuit breaker 8 is open, and anti-misoperation switch 7 is in the initial open state. Operating steps: Close the air compressor 2 end of the No. 3 anti-misoperation switch 7 to directly connect the first branch 12 with the air compressor 2; close the No. 4 circuit breaker 8, and the current of the generator 1 flows into the air compressor 2 through the main line 11, the first branch 12, and the No. 3 anti-misoperation switch 7 to realize emergency power supply in the event of a mains power outage. The generator supplies power to the filling station. Initial state: No. 1 anti-misoperation switch 5 is in the normally open state, and No. 4 circuit breaker 8 is open. Operating steps: Close the filling station 4 end of the No. 1 anti-misoperation switch 5 to establish a path between the second branch 13 and the filling station 4; close the No. 4 circuit breaker 8, and the current of the generator 1 flows to the filling station 4 through the main line 11, the second branch 13, and the No. 1 anti-misoperation switch 5, thus completing the power supply to the filling station. The mains power supply provides power to the air compressors and filling stations. Initial state: Anti-misoperation switch 5 is in the normally open state, and anti-misoperation switch 7 and switch 6 are initially open. Operating steps: For air compressor 2, close the workshop power line 3 terminal of the No. 3 anti-misoperation switch 7, and the mains power flows into air compressor 2 through workshop power line 3 and No. 3 anti-misoperation switch 7; For filling station 4, directly close the No. 2 switch 6, and the mains power flows to filling station 4 through the No. 2 switch 6, so that the mains power can supply power to both at the same time. Preventing misoperation protection process When the switch is not in use, the anti-misoperation lever 92 is locked to the switch panel 9 by the lock 93, and the plug sleeve 922 blocks the swing path of the switch handle 91 to prevent accidental touch and change of switch status. When operation is required, unlock the lock 93 and adjust the position of the plug sleeve 922 to release the obstruction of the knife switch handle 91. After the operation is completed, lock it again to ensure stable power supply.

[0040] Finally, it should be noted that the electronic components in the generator 1 and other components in this embodiment are all general standard parts or components known to those skilled in the art. Their structure and principle can be known to those skilled in the art through technical manuals or conventional experimental methods. In the idle part of this device, all the above-mentioned electrical components are connected by wires. The specific connection method should refer to the working order of each electrical component in the above working principle to complete the electrical connection. All of these are technologies known in the art.

[0041] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A generator power distribution device, comprising a generator (1), characterized in that: The generator (1) is connected to the air compressor (2), the workshop power line (3), and the filling station (4) via lines. The main line (11) of the generator (1) is equipped with a No. 4 circuit breaker (8). The outer end of the main line (11) is connected to a first branch (12) and a second branch (13). The first branch (12) is connected to the air compressor (2) through a No. 3 anti-misoperation switch (7), and the second branch (13) is connected to the workshop power line (3) through a No. 1 anti-misoperation switch (5).

2. The generator upgrade power device of claim 1, wherein: The input and output ends of the first anti-misoperation switch (5) are connected in parallel to the second switch (6).

3. The generator upgrade power device of claim 1, wherein: Both the No. 1 anti-misoperation switch (5) and the No. 3 anti-misoperation switch (7) are bidirectional switches. One end of the No. 3 anti-misoperation switch (7) enables the opening and closing of the first branch (12) and the air compressor (2), and the other end enables the opening and closing of the workshop power line (3). One end of the No. 1 anti-misoperation switch (5) enables the opening and closing of the workshop power line (3), and the other end enables the opening and closing of the filling station (4).

4. The generator upgrade power device of claim 1, wherein: The No. 1 anti-misoperation switch (5) and the No. 3 anti-misoperation switch (7) are designed to prevent accidental contact. They include a switch panel (9), on which a switch handle (91) is installed. The switch handle (91) opens and closes the switch by swinging. An anti-misoperation stop bar (92) is installed on the swing path of the switch handle (91). The anti-misoperation stop bar (92) is locked on the switch panel (9) by a lock (93).

5. The generator upgrade power device of claim 4, wherein: The anti-misoperation lever (92) includes a fixed lever (921), on which a plug sleeve (922) is fitted. Both the plug sleeve (922) and the fixed lever (921) are provided with locking holes (923). The lock (93) is locked in the locking hole (923), and the swing trajectory of the knife switch handle (91) is blocked by the plug sleeve (922).

6. The generator power distribution device according to claim 2, characterized in that: When the No. 2 disconnect switch (6) is normally open, first close one end of the workshop power line (3) of the No. 1 anti-misoperation disconnect switch (5), and then close the No. 4 circuit breaker (8) to connect the workshop power line (3); when one end of the workshop power line (3) of the No. 3 anti-misoperation disconnect switch (7) is closed, the air compressor (2) can be powered.

7. The generator upgrade power device of claim 3, wherein: When the No. 1 anti-misoperation switch (5) is in the normally open state, first close one end of the No. 1 anti-misoperation switch (5) to the filling station (4), and then close the No. 4 circuit breaker (8) to realize the power supply to the filling station (4); when the No. 3 anti-misoperation switch (7) closes one end of the air compressor (2), the power supply to the air compressor (2) can be realized when the mains power fails.

8. The generator power distribution device according to claim 3, characterized in that: When mains power is required, when the No. 1 anti-misoperation switch (5) is in the normally open state, closing one end of the workshop power line (3) of the No. 3 anti-misoperation switch (7) can realize the mains power supply to the air compressor (2), and closing the No. 2 switch (6) can realize the power supply to the filling station (4).

Images