Novel shield tunneling machine integrated box transformer substation

Abstract

The utility model relates to a novel shield tunneling machine integrated box transformer substation, which comprises a box body and two transformers, two transformer chambers arranged in parallel are arranged in the box body, the two transformers are respectively arranged in the two transformer chambers, one end of the box body is fixedly provided with a knapsack-shaped high-voltage wire inlet box, a high-voltage unit is fixedly arranged in the high-voltage wire inlet box, and the other end of the box body is provided with a high-voltage switch. The high-voltage unit is connected with the two transformers through lines, a low-voltage chamber is arranged at the end, away from the high-voltage wire inlet box, in the box body, a low-voltage unit is arranged in the low-voltage chamber, and the two transformers are connected with the low-voltage unit through lines. A line connected with the output end of the low-voltage unit is connected with the shield tunneling machine body through the bottom of the box body. A box cover is fixedly arranged at the upper end of the box body, a plurality of air outlets are distributed in the positions, corresponding to the upper portions of the two transformers, of the box cover, and a draught fan is fixedly arranged at the upper end of each air outlet. Compared with the prior art, the utility model has the advantages of more convenient wiring and maintenance, high heat dissipation efficiency and small volume, and is suitable for the installation environment of the shield tunneling machine.

Description

Technical Field

[0001] The utility model relates to the technical field of box-type substations, and particularly relates to a new integrated box-type substation for shield machines. Background Art

[0002] At present, China is in a period of large-scale urban rail transit and railway construction, and the demand for shield machines is huge. With the development of a series of industries such as railway and highway construction, water conservancy undertakings, and military industries, this will surely drive the development of shield machines. The shield machine market in China is very broad. As a part of the shield machine, the box-type substation for shield machines mainly provides a safe and reliable power supply, and its market is also very considerable.

[0003] There are still some problems with the box-type substations for shield machines in the prior art. For example, the distribution box-type substation is large in volume, low in heat dissipation efficiency, and poor in protection and waterproof performance. Therefore, it is necessary to solve these problems. Summary of the Utility Model

[0004] The utility model aims to solve at least one of the above technical problems in the prior art to a certain extent. For this reason, an object of the utility model is to provide a new integrated box-type substation for shield machines, which is more convenient for wiring and maintenance, has high heat dissipation efficiency, small volume, and is suitable for the installation environment of shield machines.

[0005] The technical solution for the utility model to solve the above technical problems is as follows: The new integrated box-type substation for shield machines includes a box body and two transformers. Two transformer rooms arranged side by side are provided in the box body, and the two transformers are respectively arranged in the two transformer rooms. A high-voltage incoming line box in the shape of a backpack is fixedly arranged at one end of the box body, and a high-voltage unit is fixedly arranged in the high-voltage incoming line box. The high-voltage unit is respectively connected to the two transformers through lines. A low-voltage chamber is arranged at one end of the box body far from the high-voltage incoming line box, and a low-voltage unit is arranged in the low-voltage chamber. Both of the two transformers are connected to the low-voltage unit through lines; the line connected to the output end of the low-voltage unit is connected to the shield machine body through the bottom of the box body;

[0006] A box cover is fixedly arranged at the upper end of the box body, and a plurality of air outlets are distributed above the two transformers correspondingly on the box cover, and a fan is fixedly arranged at the upper end of each air outlet.

[0007] The beneficial effects of the utility model are as follows: Through the optimization of the wiring sealing plate structure at the bottom of the low-voltage unit, the convenience of wiring and maintenance is improved; by using the fan, the heat dissipation efficiency in the box body can be increased by 15%, the overall height of the box body can be reduced, the volume of the box body can be reduced, and the box body can effectively adapt to the narrow installation environment in the shield machine; the backpack-shaped high-voltage incoming line box can effectively reduce the overall volume of the box-type substation, and can also reduce the workshop assembly working hours and component costs.

[0008] On the basis of the above technical solutions, the present utility model can also be further improved as follows.

[0009] Furthermore, self - hanging louvers are provided at each of the air outlets; when the fan sucks air, the self - hanging louvers open; after the fan stops running, the self - hanging louvers close.

[0010] The beneficial effect of adopting the above - mentioned further solution is that the self - hanging louvers can only be opened when the fan sucks air, which can effectively prevent external dust from entering the box body, making the box body cleaner and enabling the transformer to operate efficiently.

[0011] Furthermore, the box cover has an inclined roof structure, and multiple air outlets are respectively located on the inclined plates on both sides of the box cover.

[0012] The beneficial effect of adopting the above - mentioned further solution is that the box cover with an inclined roof structure can improve the IP protection level of the box transformer, which is more conducive to the overall protection and waterproofing of the box transformer.

[0013] Furthermore, dehumidifiers are provided in both the high - voltage incoming line box and the low - voltage chamber, heating plates are provided in both transformer chambers, and a temperature and humidity control device capable of giving an alarm is also provided in the transformer chamber. The temperature and humidity control device is connected to the dehumidifier, heating plate and fan through wires.

[0014] The beneficial effect of adopting the above - mentioned further solution is that the coordinated operation of the temperature and humidity control device, dehumidifier, heating plate or fan can keep the temperature and humidity inside the box within the set threshold values, making the temperature and humidity inside the box more stable and ensuring that the equipment inside the box is in the best operating environment.

[0015] Furthermore, air inlets are provided at the bottom of the box body corresponding to the two transformers, and double - layer wire meshes are fixedly provided at each air inlet. The upper wire mesh of the two - layer wire meshes is a 20 - mesh stainless - steel wire mesh.

[0016] The beneficial effect of adopting the above - mentioned further solution is that the 20 - mesh stainless - steel wire mesh can effectively prevent particles larger than φ1.0mm from entering the box body and can also ensure the heat dissipation efficiency of the box body.

[0017] Furthermore, a base made of 6 - mm steel plate is fixedly provided at the lower end of the box body.

[0018] The beneficial effect of adopting the above - mentioned further solution is that the base made of 6 - mm steel plate can reduce the material cost.

[0019] Furthermore, sealing plates for closing the side walls of the box body are provided on the side walls of the box body, and the sealing plates are fixedly connected to the box body by screws and nuts.

[0020] The beneficial effects of adopting the above further solution are: it can effectively prevent the loosening of the connection part.

[0021] Furthermore, a shock pad is fixedly arranged at the lower end of the transformer.

[0022] The beneficial effects of adopting the above further solution are: a shock pad is added at the lower end of the transformer, effectively reducing the impact of vibration on the transformer. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is the front view of the integrated box-type substation of the novel shield machine of the present utility model;

[0024] Figure 2 is the side view of the integrated box-type substation of the novel shield machine of the present utility model;

[0025] Figure 3 is the bottom view of the integrated box-type substation of the novel shield machine of the present utility model;

[0026] Figure 4 is the schematic diagram of the internal structure of the integrated box-type substation of the novel shield machine of the present utility model;

[0027] Figure 5 is the module block diagram of the fan, dehumidifier, heating plate and temperature and humidity control device of the present utility model.

[0028] In the drawings, the list of components represented by each reference numeral is as follows:

[0029] 1. Box body, 101. Transformer room, 102. Low-voltage room;

[0030] 2. Transformer, 3. High-voltage incoming line box, 4. High-voltage unit, 5. Low-voltage unit, 6. Box cover, 7. Fan, 8. Dehumidifier, 9. Heating plate, 10. Temperature and humidity control device, 11. Wire mesh, 12. Base, 13. Sealing plate. SPECIFIC EMBODIMENTS

[0031] The principles and features of the present utility model will be described below with reference to the accompanying drawings. The examples given are only for explaining the present utility model and are not intended to limit the scope of the present utility model.

[0032] As Figures 1 to 5As shown in the figure, the integrated box-type substation of the new shield machine includes a box body 1 and two transformers 2. Two transformer chambers 101 arranged side by side are provided in the box body 1, and the two transformers 2 are respectively arranged in the two transformer chambers 101. A backpack-shaped high-voltage incoming line box 3 is fixedly arranged at one end of the box body 1, and a high-voltage unit 4 is fixedly arranged in the high-voltage incoming line box 3. The high-voltage unit 4 is respectively connected to the two transformers 2 through lines. A low-voltage chamber 102 is arranged at one end of the box body 1 far from the high-voltage incoming line box 3, and a low-voltage unit 5 is arranged in the low-voltage chamber 102. Both of the two transformers 2 are connected to the low-voltage unit 5 through lines; the line connected to the output end of the low-voltage unit 5 is connected to the shield machine body through the bottom of the box body 1;

[0033] A box cover 6 is fixedly arranged at the upper end of the box body 1, and a plurality of air outlets are distributed above the two transformers 2 on the box cover 6, and a fan 7 is fixedly arranged at the upper end of each air outlet.

[0034] In specific applications, the high-voltage unit 4 in the high-voltage incoming line box 3 introduces electric energy, and the two transformers 2 are used to transform the voltage of the electric energy, and low-voltage electric energy is output through the low-voltage unit 5;

[0035] The low-voltage unit 5 uses a large-current scheme, and the structure of the bottom wiring sealing plate of the low-voltage unit 5 is optimized, improving the convenience of wiring and maintenance;

[0036] The fans 7 are distributed using small centrifugal fans, which can increase the heat dissipation efficiency in the box body 1 by 15%. The heat of the transformer coils and iron cores of the two transformers 2 can be discharged with high efficiency, thereby reducing the overall height of the box body 1, reducing the volume of the box body 1, and enabling the box body 1 to effectively adapt to the narrow installation environment in the shield machine;

[0037] The backpack-shaped high-voltage incoming line box 3 can effectively reduce the overall volume of the box-type substation, and also reduce the workshop assembly working hours and component costs.

[0038] In the above embodiment, a self-closing louver is provided at each air outlet; when the fan 7 is exhausting air, the self-closing louver opens; after the fan 7 stops running, the self-closing louver closes.

[0039] The self-closing louver can only be opened when the fan 7 is exhausting air, which can effectively prevent external dust from entering the box body 1, making the inside of the box body 1 cleaner and enabling the transformer 2 to operate efficiently.

[0040] In the above embodiment, the box cover 6 is of an inclined roof structure, and a plurality of air outlets are respectively located on the inclined plates on both sides of the box cover 6.

[0041] The box cover 6 with an inclined roof structure can improve the IP protection level of the box-type substation, which is more conducive to the overall protection and waterproofing of the box-type substation.

[0042] In the above embodiments, dehumidifiers 8 are provided in both the high-voltage incoming line box 3 and the low-voltage chamber 102, heating plates 9 are provided in both of the two transformer chambers 101, and a temperature and humidity control device 10 capable of giving an alarm is further provided in the transformer chamber 101. The temperature and humidity control device 10 is connected to the dehumidifier 8, the heating plate 9 and the fan 7 through lines respectively.

[0043] During specific implementation, the temperature and humidity control device 10 can detect the temperature and humidity inside the box body 1 in real time. When the temperature and humidity inside the box body 1 exceed the set threshold value, the temperature and humidity control device 10 controls the dehumidifier 8, the heating plate 9 or the fan 7 to operate, regulates the temperature and humidity inside the box body 1, so that the temperature and humidity inside the box body 1 are within the set threshold value, making the temperature and humidity inside the box body 1 more stable and ensuring that the equipment inside the box body 1 is in the best operating environment.

[0044] In the above embodiments, air inlets are provided at the bottoms of the box body 1 corresponding to the two transformers 2, and double-layer wire meshes 11 are fixedly provided at each air inlet. The upper wire mesh 11 of the two wire meshes 11 is a 20-mesh stainless steel wire mesh 11.

[0045] During specific implementation, the 20-mesh stainless steel wire mesh 11 can effectively prevent particles larger than φ1.0 mm from entering the box body 1 and can also ensure the heat dissipation efficiency of the box body 1.

[0046] In the above embodiments, a base 12 made of 6-mm steel plate is fixedly provided at the lower end of the box body 1.

[0047] During specific implementation, the base 12 made of 6-mm steel plate can reduce the material cost.

[0048] In the above embodiments, sealing plates 13 for closing the side walls of the box body 1 are provided on the side walls of the box body 1, and the sealing plates 13 are fixedly connected to the box body 1 by screws and nuts.

[0049] The sealing plates 13 and the box body 1 adopt a locknut structure, which can effectively prevent the connection part from loosening; the double-nut locking method can also be used for anti-loosening.

[0050] In the above embodiments, shock pads are fixedly provided at the lower ends of the transformers 2.

[0051] During specific implementation, shock pads are added at the lower ends of the transformers 2 to effectively reduce the influence of vibration on the transformers 2.

[0052] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. The new shield machine integrated box transformer is characterized by: The invention comprises a box (1) and two transformers (2), wherein two transformer chambers (101) arranged in parallel are arranged in the box (1), and the two transformers (2) are arranged in the two transformer chambers (101) respectively; a high-voltage incoming line box (3) in the shape of a backpack is fixedly arranged at one end of the box (1), a high-voltage unit (4) is fixedly arranged in the high-voltage incoming line box (3), and the high-voltage unit (4) is connected to the two transformers (2) through lines respectively; a low-voltage chamber (102) is arranged at one end of the box (1) away from the high-voltage incoming line box (3), and a low-voltage unit (5) is arranged in the low-voltage chamber (102), and the two transformers (2) are connected to the low-voltage unit (5) through lines; and the line connected to the output end of the low-voltage unit (5) is connected to the shield machine body through the bottom of the box (1); A box cover (6) is fixedly provided at the upper end of the box body (1), and a plurality of air outlets are distributedly arranged on the box cover (6) corresponding to the upper sides of the two transformers (2), and a fan (7) is fixedly provided at the upper end of each of the air outlets.

2. The new shield machine integrated box transformer according to claim 1 is characterized by: Each of the air outlets is provided with a self-hanging louver; when the fan (7) is exhausting air, the self-hanging louver is opened; after the fan (7) is stopped, the self-hanging louver is closed.

3. The new shield machine integrated box transformer according to claim 1 or 2 is characterized in that: The box cover (6) is a sloping top structure, and the plurality of air outlets are respectively located on the sloping plates on both sides of the box cover (6).

4. The new shield machine integrated box transformer according to claim 1 is characterized in that: The high-voltage incoming line box (3) and the low-voltage room (102) are both provided with a dehumidifier (8), the two transformer rooms (101) are both provided with a heating plate (9), and the transformer room (101) is also provided with a temperature and humidity control device (10) capable of alarming, and the temperature and humidity control device (10) is respectively connected to the dehumidifier (8), the heating plate (9) and the fan (7) through lines.

5. The new shield machine integrated box transformer according to claim 1 is characterized by: Air inlets are arranged at the bottom of the box (1) corresponding to the two transformers (2), and a double-layer steel wire mesh (11) is fixedly arranged at each of the air inlets, and the steel wire mesh (11) at the upper end of the two layers of steel wire mesh (11) is a 20-mesh stainless steel wire mesh (11).

6. The new shield machine integrated box transformer according to claim 1 is characterized by: A base (12) made of a 6 mm steel plate is fixedly arranged at the lower end of the box body (1).

7. The new shield machine integrated box transformer according to claim 1 is characterized by: The side walls of the box body (1) are each provided with a sealing plate (13) for closing the side walls of the box body (1), and the sealing plate (13) is fixedly connected to the box body (1) by means of screws and nuts.

8. The new shield machine integrated box transformer according to claim 1 is characterized by: A shock-absorbing pad is fixedly arranged at the lower end of the transformer (2).

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