Distribution network direct current ice melting test vehicle

Abstract

The utility model discloses a distribution network direct-current ice melting test vehicle, which comprises a test vehicle, an ice melting device fixing frame, a copper bar, a filter, a rectifying valve and a disconnecting link, wherein the ice melting device fixing frame is fixed in a carriage of the test vehicle; the alternating-current signal input end of the copper bar is used for connecting an alternating-current power supply, the alternating-current signal output end of the copper bar is connected with the filtering signal input end of the filter, the filtering signal output end of the filter is connected with the alternating-current signal input end of the rectifying valve, and the direct-current signal output end of the rectifying valve is connected with the direct-current signal input end of the disconnecting link. The direct current signal output end of the disconnecting link is used for being connected with a power transmission line to be deiced. According to the utility model, the distribution network line DC ice melting equipment and the vehicle chassis can be integrated, the real-time performance and the efficiency are improved, and the labor intensity of personnel is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power distribution network line direct current ice melting, specifically points to a distribution network direct current ice melting test car. BACKGROUND

[0002] The existing power distribution network line has line icing in winter, and the weight of the distribution network direct current ice melting equipment is several hundred kilograms to about 1 ton, so vehicles are needed to load the direct current ice melting accessories near the distribution network line, and then professional technicians are needed to assemble and then start the ice melting work. This way has low real-time performance, poor efficiency and high labor intensity. SUMMARY

[0003] The utility model discloses a distribution network direct current ice melting test car, which integrates the distribution network line direct current ice melting equipment and loads it in the vehicle, thereby improving the real-time performance and efficiency of the ice melting work and reducing the labor intensity.

[0004] To achieve this purpose, the utility model discloses a distribution network direct current ice melting test car, which comprises a test car, an ice melting device fixing frame fixed on the carriage of the test car, a copper bar installed on the ice melting device fixing frame, a filter, a rectifier valve and a knife switch. The AC signal input end of the copper bar is used to connect the AC power supply, the AC signal output end of the copper bar is connected with the filter signal input end of the filter, the filter signal output end of the filter is connected with the AC signal input end of the rectifier valve, the DC signal output end of the rectifier valve is connected with the DC signal input end of the knife switch, and the DC signal output end of the knife switch is used to connect the ice melting power line.

[0005] Further, the ice melting device fixing frame comprises vertical supports, a top frame fixed on the top surfaces of the vertical supports, middle supports fixed on the middle parts of the vertical supports and a bottom frame fixed on the bottom surfaces of the vertical supports.

[0006] Further, the ice melting device fixing frame is further provided with a data display terminal and a switching power supply, and the power supply interface of the data display terminal is connected with the AC signal output end of the copper bar through the switching power supply.

[0007] Further, the data display terminal is installed on the panel between the adjacent two vertical supports of the ice melting device fixing frame, the switching power supply is installed on the adjacent two vertical supports, the data display terminal is located above the middle support on the left side, and the switching power supply is located below the middle support on the left side.

[0008] Further, the ice melting device fixing frame is further provided with a fan, and the power supply interface of the fan is connected with the AC signal output end of the copper bar.

[0009] Further, the ice melting device fixing frame further comprises a right vertical fixing plate fixed between the right middle support and the bottom layer frame, the fan is installed inside the top layer frame, the fan is above the right middle support, and the knife switch is installed on the right side of the right vertical fixing plate.

[0010] Further, a circuit breaker is further installed in the ice melting device fixing frame, and the AC signal input end of the copper bar is connected with the AC power source through the circuit breaker.

[0011] Further, the ice melting device fixing frame further comprises a left vertical fixing plate fixed between the top layer frame and the bottom layer frame, and the circuit breaker and the copper bar are installed on one side of the left vertical fixing plate, wherein the copper bar is below the circuit breaker, and the circuit breaker is on the back of the panel.

[0012] Further, the rectifier valve is installed on the other side of the left vertical fixing plate, and the rectifier valve is on the back of the panel.

[0013] Further, the filter is installed on the left side of the right vertical fixing plate, and the filter is below the fan air outlet.

[0014] The distribution network direct current ice melting test vehicle has the characteristics of high integration, good ice melting real-time performance, high ice melting efficiency, reasonable structure layout and high safety, can improve the ice melting efficiency and safety of the distribution network line, and reduce the labor intensity of ice melting work. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a test vehicle schematic diagram of the utility model;

[0016] Figure 2 It is a circuit diagram of the utility model;

[0017] Figure 3 It is a front view structural schematic diagram of the utility model;

[0018] Figure 4 It is a left view structural schematic diagram of the utility model;

[0019] Figure 5 It is a right view structural schematic diagram of the utility model;

[0020] Figure 6 It is a rear view structural schematic diagram of the utility model;

[0021] Figure 7 It is a top view structural schematic diagram of the utility model;

[0022] Figure 8 It is a three-dimensional structural schematic diagram of one direction of the utility model;

[0023] Figure 9The utility model discloses another direction's three-dimensional structure schematic view.

[0024] Wherein, 1 - fan, 2 - knife gap, 3 - data display terminal, 4 - switching power supply, 5 - circuit breaker, 6 - copper row, 7 - filter, 8 - rectifier valve, 9 - ice melting device fixed frame, 9.1 - vertical pillar, 9.2 - top frame, 9.3 - middle support, 9.4 - bottom frame, 9.5 - left side vertical fixed plate, 9.6 - right side vertical fixed plate, 9.7 - panel, 10 - test car. DETAILED DESCRIPTION

[0025] The utility model makes further detailed explanation in combination with specific embodiment and drawing:

[0026] A kind of distribution network direct current ice-melting test car, such as Figure 1 、 2, 3, 4, 5, 6, 7, 8, 9, which comprises a test vehicle 10, a deicing device fixing frame 9 fixed on the carriage of the test vehicle 10, a copper bar 6 installed on the deicing device fixing frame 9, a filter 7, a rectifier valve 8 and a knife switch 2; the AC signal input end of the copper bar 6 (the copper bar 6 is first connected to the external power supply as an input component, which plays a role in connecting the external power supply and the internal circuit of the system, and also has the role of sampling and monitoring the input voltage and current, ensuring that the input AC power can be smoothly and accurately input into the system) is used to connect the AC power supply (the AC power supply is 380VAC, indicating a three-phase AC power supply with a voltage of 380 volts), the AC signal output end of the copper bar 6 is connected to the filter 7 (the filter 7 is composed of inductance and capacitance; since the input AC signal may contain interference components and high-frequency noise, the filter 7 filters the input AC signal to remove high-frequency noise in the AC signal, making the input AC waveform smoother; this helps the subsequent electrical equipment to run stably), the filter signal output end of the filter 7 is connected to the AC signal input end of the rectifier valve 8 (the rectifier valve 8 is mainly a high-power device thyristor; the filtered AC power enters the rectifier valve 8; the role of the rectifier valve 8 is to convert AC power into DC power; in the deicing system, DC power is more suitable for heating and deicing; a three-phase bridge rectifier circuit is used as the rectifier valve 8, which can convert the input three-phase AC power into DC output, and the voltage and current size of the DC output depend on the parameters of the rectifier valve 8 and the input AC power), the DC signal output end of the rectifier valve 8 is connected to the DC signal input end of the knife switch 2 (a plurality of knife switches 2 are used as the part of the entire deicing device to connect the external load, the purpose is to select the required deicing circuit by switching between the knife switches 2), and the DC signal output end of the knife switch 2 is used to connect the deicing line (the principle of DC deicing is to first convert AC power into DC power using the rectifier valve 8, then let the DC power pass through the deicing line, and rely on the heat generated by the current to melt the ice on the deicing line).

[0027] In the above technical solution, the deicing device fixing frame 9 comprises vertical supports 9.1, a top frame 9.2 fixed on the top surface of the plurality of vertical supports 9.1, a middle support 9.3 fixed on the middle part of the plurality of vertical supports 9.1, and a bottom frame 9.4 fixed on the bottom surface of the plurality of vertical supports 9.1 (wherein the top frame 9.2, the middle support 9.3 and the bottom frame 9.4 are horizontally arranged); the above technology can increase the structural stability by designing the deicing device fixing frame 9, so that the entire deicing device fixing frame 9 forms a stable three-dimensional structure system, effectively enhancing the stability of the overall resistance to external damage, and at the same time, this layered arrangement of the structure can reasonably distribute the load in the vertical direction, preventing local overloading and causing structural damage.

[0028] In the above technical solution, the ice melting device fixing frame 9 is further provided with a data display terminal 3 (the data display terminal 3 is used for displaying the running state of the system, which can display the input voltage, current, output voltage, current, and fault state of each part of the system, so that the operator can intuitively understand the working condition of the ice melting system, and timely find the abnormality and make adjustment; for example, when the output current of the rectifier valve 8 is too high, the rectifier valve 8 is faulty or the fan 1 is abnormal, the operator can quickly make a judgment and take corresponding measures through the information on the data display terminal 3) and a switching power supply 4 (the switching power supply 4 is used for adjusting and converting the input alternating voltage, which can convert the alternating voltage into a control voltage (generally 12V, 15V, 5V) suitable for the data display terminal 3 and the entire ice melting control system), and the power supply interface of the data display terminal 3 is connected to the alternating current signal output end of the copper bar 6 through the switching power supply 4. The voltage transformer PT and the current transformer CT are used to collect the input voltage and current information of the copper bar 6, and transmit the input voltage and current information to the data display terminal 3, and the DC voltage divider and the Hall current sensor are used to collect the output voltage and current information of the knife switch 2, and transmit the output voltage and current information to the data display terminal 3, and the operator judges the working state of the DC ice melting device according to the input voltage and current information and the output voltage and current information displayed by the data display terminal 3.

[0029] In the above technical solution, the data display terminal 3 is installed on the panel 9.7 between the two adjacent vertical supports 9.1 of the ice melting device fixing frame 9, the switching power supply 4 is installed on the two adjacent vertical supports 9.1, and the data display terminal 3 is located above the left middle support 9.3, and the switching power supply 4 is located below the left middle support 9.3 (the switching power supply 4 is located below the data display terminal 3) ; the above technology installs the data display terminal 3 and the switching power supply 4 on the panel 9.7, which can simplify the wiring structure, efficiently utilize the space, and facilitate intuitive understanding.

[0030] In the above technical solution, the ice melting device fixing frame 9 is further provided with a fan 1, and the power supply interface of the fan 1 is connected to the alternating current signal output end of the copper bar 6; in the above technology, the fan 1 is used for forcibly cooling the heat generating unit in the ice melting device fixing frame 9.

[0031] In the technical scheme, the ice melting device fixing frame 9 further comprises a right vertical fixing plate 9.6 fixed between the right middle support 9.3 and the bottom layer frame 9.4, the fan 1 (the fan 1 can be used for forcibly cooling the heating unit in the ice melting device, in the ice melting system, the hot air generated during the use of the ice melting device is drawn to the external area of the equipment by the fan 1, the operation performance of the device is improved, and the stable and safe operation of the device is ensured, and the fan 1 is mainly driven by input three-phase alternating voltage) is installed on the inner side of the top layer frame 9.2, the fan 1 is located above the right middle support 9.3, and the knife switch 2 is installed on the right side of the right vertical fixing plate 9.6 (the knife switch 2 is located between the right middle support 9.3 and the bottom layer frame 9.4); the above-mentioned technology can efficiently utilize space and effectively increase the utilization rate of heat dissipation space.

[0032] In the technical scheme, the ice melting device fixing frame 9 further comprises a right vertical fixing plate 9.6 fixed between the right middle support 9.3 and the bottom layer frame 9.4, the fan 1 (the fan 1 can be used for forcibly cooling the heating unit in the ice melting device, in the ice melting system, the hot air generated during the use of the ice melting device is drawn to the external area of the equipment by the fan 1, the operation performance of the device is improved, and the stable and safe operation of the device is ensured, and the fan 1 is mainly driven by input three-phase alternating voltage) is installed on the inner side of the top layer frame 9.2, the fan 1 is located above the right middle support 9.3, and the knife switch 2 is installed on the right side of the right vertical fixing plate 9.6 (the knife switch 2 is located between the right middle support 9.3 and the bottom layer frame 9.4); the above-mentioned technology can efficiently utilize space and effectively increase the utilization rate of heat dissipation space.

[0033] In the technical scheme, the ice melting device fixing frame 9 further comprises a right vertical fixing plate 9.6 fixed between the right middle support 9.3 and the bottom layer frame 9.4, the fan 1 (the fan 1 can be used for forcibly cooling the heating unit in the ice melting device, in the ice melting system, the hot air generated during the use of the ice melting device is drawn to the external area of the equipment by the fan 1, the operation performance of the device is improved, and the stable and safe operation of the device is ensured, and the fan 1 is mainly driven by input three-phase alternating voltage) is installed on the inner side of the top layer frame 9.2, the fan 1 is located above the right middle support 9.3, and the knife switch 2 is installed on the right side of the right vertical fixing plate 9.6 (the knife switch 2 is located between the right middle support 9.3 and the bottom layer frame 9.4); the above-mentioned technology can efficiently utilize space and effectively increase the utilization rate of heat dissipation space.

[0034] In the technical scheme, the ice melting device fixing frame 9 further comprises a right vertical fixing plate 9.6 fixed between the right middle support 9.3 and the bottom layer frame 9.4, the fan 1 (the fan 1 can be used for forcibly cooling the heating unit in the ice melting device, in the ice melting system, the hot air generated during the use of the ice melting device is drawn to the external area of the equipment by the fan 1, the operation performance of the device is improved, and the stable and safe operation of the device is ensured, and the fan 1 is mainly driven by input three-phase alternating voltage) is installed on the inner side of the top layer frame 9.2, the fan 1 is located above the right middle support 9.3, and the knife switch 2 is installed on the right side of the right vertical fixing plate 9.6 (the knife switch 2 is located between the right middle support 9.3 and the bottom layer frame 9.4); the above-mentioned technology can efficiently utilize space and effectively increase the utilization rate of heat dissipation space.

[0035] In the technical scheme, the ice melting device fixing frame 9 further comprises a right vertical fixing plate 9.6 fixed between the right middle support 9.3 and the bottom layer frame 9.4, the fan 1 (the fan 1 can be used for forcibly cooling the heating unit in the ice melting device, in the ice melting system, the hot air generated during the use of the ice melting device is drawn to the external area of the equipment by the fan 1, the operation performance of the device is improved, and the stable and safe operation of the device is ensured, and the fan 1 is mainly driven by input three-phase alternating voltage) is installed on the inner side of the top layer frame 9.2, the fan 1 is located above the right middle support 9.3, and the knife switch 2 is installed on the right side of the right vertical fixing plate 9.6 (the knife switch 2 is located between the right middle support 9.3 and the bottom layer frame 9.4); the above-mentioned technology can efficiently utilize space and effectively increase the utilization rate of heat dissipation space.

[0036] The utility model discloses a working time, first with the network DC ice melting test car to melt ice area, then copper bar 6 is connected through circuit breaker 5 and is accessed to alternating current power supply, then the knife gap 2 is accessed to the ice melting line of waiting, alternating current passes through circuit breaker 5 and copper bar 6 and enters filter 7, filters the high frequency noise in alternating current signal, makes the input alternating current waveform more smooth, then through rectifier valve 8 converts alternating current into direct current, and direct current passes through the knife gap 2 and is accessed to the ice melting line of waiting, is used for direct current heat ice melting, and fan 1 is used for the heat dissipation of ice melting device fixed frame 9 component, and voltage transformer PT and current transformer CT gather copper bar 6's input voltage and current information, and input voltage and current information transmission is given to data display terminal 3, and direct current voltage divider and hall current sensor gather the output voltage and current information of knife gap 2, and output voltage and current information transmission is given to data display terminal 3, and operating personnel judge the working condition of direct current ice melting equipment according to the input voltage and current information, output voltage and current information shown by data display terminal 3, and timely discover abnormality and adjust.

[0037] The above is only the preferred embodiment of the utility model, and does not limit the structure of the utility model in any form. Any simple modification, equivalent change and modification according to the technical essence of the utility model to the above embodiment still belong to the range of the technical scheme of the utility model.

[0038] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

Claims

1. A distribution network direct current ice melting test vehicle, characterized in that: It includes a test vehicle (10), an ice melting device fixing frame (9) fixed on the carriage of the test vehicle (10), a copper bar (6) installed on the ice melting device fixing frame (9), a filter (7), a rectifier valve (8) and a knife switch (2); the AC signal input end of the copper bar (6) is used for connecting an AC power supply, the AC signal output end of the copper bar (6) is connected with the filter signal input end of the filter (7), the filter signal output end of the filter (7) is connected with the AC signal input end of the rectifier valve (8), the DC signal output end of the rectifier valve (8) is connected with the DC signal input end of the knife switch (2), and the DC signal output end of the knife switch (2) is used for connecting a to-be-melted ice transmission line.

2. The distribution network direct current deicing test vehicle of claim 1, wherein: The ice melting device fixing frame (9) comprises vertical support columns (9.1), a top layer frame (9.2) fixed on the top surfaces of the vertical support columns (9.1), middle support frames (9.3) fixed on the middle portions of the vertical support columns (9.1) and a bottom layer frame (9.4) fixed on the bottom surfaces of the vertical support columns (9.1).

3. The distribution network direct current deicing test vehicle of claim 2, wherein: A data display terminal (3) and a switching power supply (4) are further installed on the ice melting device fixing frame (9), and the power supply interface of the data display terminal (3) is connected with the AC signal output end of the copper bar (6) through the switching power supply (4).

4. The distribution network direct current deicing test vehicle of claim 3, wherein: The data display terminal (3) is installed on a panel (9.7) between two adjacent vertical support columns (9.1) of the ice melting device fixing frame (9), the switching power supply (4) is installed on the two adjacent vertical support columns (9.1), the data display terminal (3) is located above the middle support frame (9.3) on the left side, and the switching power supply (4) is located below the middle support frame (9.3) on the left side.

5. The distribution network direct current deicing test vehicle of claim 1 or 2, wherein: A fan (1) is further installed on the ice melting device fixing frame (9), and the power supply interface of the fan (1) is connected with the AC signal output end of the copper bar (6).

6. The distribution network direct current deicing test vehicle of claim 5, wherein: The ice melting device fixing frame (9) further comprises a right vertical fixing plate (9.6) fixed between the middle support frame (9.3) on the right side and the bottom layer frame (9.4), the fan (1) is installed on the inner side of the top layer frame (9.2), the fan (1) is located above the middle support frame (9.3) on the right side, and the knife switch (2) is installed on the right side of the right vertical fixing plate (9.6).

7. The distribution network direct current deicing test vehicle of claim 1 or 2, wherein: A circuit breaker (5) is further installed in the ice melting device fixing frame (9), and the AC signal input end of the copper bar (6) is connected with the AC power supply through the circuit breaker (5).

8. The distribution network direct current deicing test vehicle of claim 7, wherein: The ice melting device fixing frame (9) further comprises a left vertical fixing plate (9.5) fixed between the top layer frame (9.2) and the bottom layer frame (9.4), and the circuit breaker (5) and the copper bar (6) are both installed on one side of the left vertical fixing plate (9.5), wherein the copper bar (6) is located below the circuit breaker (5), and the circuit breaker (5) is located on the back of the panel (9.7).

9. The distribution network direct current deicing test vehicle of claim 1 or 2, wherein: The rectifier valve (8) is installed on the other side of the left vertical fixing plate (9.5), and the rectifier valve (8) is located on the back of the panel (9.7).

10. The distribution network direct current deicing test vehicle of claim 6, wherein: The filter (7) is installed on the left side of the right vertical fixing plate (9.6), and the filter (7) is located below the air outlet of the fan (1).

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