CN215072172U - Driver and mining locomotive - Google Patents

Abstract

The embodiment of the utility model provides a relate to industrial and mining equipment technical field, especially relate to a driver and mining locomotive. The method comprises the following steps: the device comprises a shell, a first interface, a second interface, a current transformation module and a controller. The shell is provided with a first accommodating cavity; the first interface comprises an input interface which is arranged on the shell; the second interface comprises a first output interface and a second output interface, and the first output interface and the second output interface are both arranged on the shell; the current transformation module comprises a capacitor assembly and an I GBT module, the I GBT module and the capacitor assembly are both arranged in the first accommodating cavity, the capacitor assembly is electrically connected with the I GBT module, the input interface is electrically connected with the capacitor assembly, and the I GBT module is respectively electrically connected with the first output interface and the second output interface; the controller is arranged in the first accommodating cavity and electrically connected with the capacitor assembly and the I GBT module. Through the structure, the two-phase direct current is output into two paths of three-phase alternating currents which are supplied to the two motors of the mining locomotive, so that the number of cables is reduced, and the cable interference is reduced.

Description

Driver and mining locomotive

Technical Field

The embodiment of the utility model provides a relate to industrial and mining equipment technical field, especially relate to a driver and mining locomotive.

Background

In order to respond to the national call for building green mines, the inevitable task of reducing the pollution discharged by mine cars is also great trend, and more industrial and mining enterprises begin to eliminate the old diesel mine cars and develop electric mining locomotives. At present, the mining electric locomotive driver adopts alternating current variable frequency speed regulation, and the energy-saving effect is obvious.

In the process of the embodiment of the present invention, it is found that: one driver in the traditional mining electric locomotive can only control one motor, and because the front wheel and the rear wheel of the mining electric locomotive often need different torques, namely one mining electric locomotive needs two drivers to respectively control two motors, the mode can lead to more cables in the mining electric locomotive to be easy to interfere with each other.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a main technical problem who solves provides a driver and mining locomotive, has overcome above-mentioned problem or has solved above-mentioned problem at least partially.

In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that: there is provided a driver including: the device comprises a shell, a first interface, a second interface, a current transformation module and a controller. The shell is provided with a first accommodating cavity; the first interface comprises an input interface, and the input interface is arranged on the shell; the second interface comprises a first output interface and a second output interface, and the first output interface and the second output interface are both arranged on the shell; the converter module comprises a capacitor assembly and an IGBT module, the IGBT module and the capacitor assembly are both arranged in the first accommodating cavity, the capacitor assembly is electrically connected with the IGBT module, the input interface is electrically connected with the capacitor assembly, and the IGBT module is respectively electrically connected with the first output interface and the second output interface; the controller is arranged in the first accommodating cavity and electrically connected with the capacitor assembly and the IGBT module.

In an optional mode, the IGBT module includes an IGBT module, a first copper bar and an absorption capacitor, the first copper bar is installed in the first accommodating cavity, and the IGBT module and the absorption capacitor are installed on the first copper bar;

the IGBT module is electrically connected with the first copper bar, the first output interface and the second output interface, the first copper bar is electrically connected with the capacitor assembly and the absorption capacitor, and after the capacitor assembly enables two-phase direct current to flow into the absorption capacitor through the first copper bar, the two-phase direct current flows into the IGBT module and is respectively output to the first output interface and the second output interface.

In an alternative mode, the IGBT module is further provided with a one-phase U1 output, a two-phase V1 output, and a three-phase W1 output electrically connected to the first output interface, and a one-phase U2 output, a two-phase V2 output, and a three-phase W2 output electrically connected to the second output interface.

In an optional mode, the capacitor assembly comprises a second copper bar, a capacitor busbar and a capacitor, one end of the second copper bar is connected with the capacitor busbar, the other end of the second copper bar is connected with the input interface, the capacitor is inserted into the capacitor busbar, and the capacitor busbar is electrically connected with the capacitor and the second copper bar of the IGBT module.

In an optional manner, the controller includes a first control module, a second control module, a first driving module, a second driving module, and a power control module; the first control module, the second control module, the first driving module, the second driving module and the power supply control module are all arranged in the first accommodating cavity, the first control module is electrically connected with the first driving module, and the second control module is electrically connected with the second driving module; the first driving module, the second driving module and the power control module are electrically connected with the current transformation module.

In an optional mode, the housing includes a first vertical plate, a first mounting frame, and a second mounting frame, the first vertical plate and the first mounting frame form the first accommodating cavity, and the first mounting frame and the second mounting frame of the housing also form the second accommodating cavity.

In an optional mode, the first mounting frame is provided with a first through hole, and the first through hole is communicated with the first accommodating cavity and the second accommodating cavity; the driver further comprises a heat dissipation device, the heat dissipation device comprises a first heat dissipation component, a second heat dissipation component and a fan set, the first heat dissipation component, the second heat dissipation component and the fan set are all installed in the second accommodating cavity, one surfaces of the first heat dissipation component and the second heat dissipation component are exposed to the first through hole, and the fan set is installed on one cavity wall of the second accommodating cavity and is exposed to one cavity wall of the second accommodating cavity; the first heat dissipation assembly, the second heat dissipation assembly and the fan set are electrically connected with the power supply control module.

In an optional mode, the capacitor assembly further comprises a brake module and an even resistor, the brake module and the even resistor are both installed in the first accommodating cavity, the brake module is electrically connected with the second copper bar, and the even resistor is electrically connected with the capacitor busbar.

In an optional mode, the IGBT module further includes a hall, and the hall is electrically connected to the power control module and the IGBT module.

In order to solve the above technical problem, an embodiment of the present invention adopts another technique that: there is provided a mining locomotive including an actuator in any one of the above manners.

The embodiment of the utility model provides a beneficial effect is: being different from the prior art, the driver of the embodiment of the present invention includes: the device comprises a shell, a first interface, a second interface, a current transformation module and a controller. The shell is provided with a first accommodating cavity; the first interface comprises an input interface, and the input interface is arranged on the shell; the second interface comprises a first output interface and a second output interface, and the first output interface and the second output interface are both arranged on the shell; the current transformation module comprises a capacitor assembly and an IGBT module, the IGBT module and the capacitor assembly are both fixed in the first accommodating cavity, the capacitor assembly is electrically connected with the IGBT module, the input interface is electrically connected with the capacitor assembly, and the IGBT module is respectively electrically connected with the first output interface and the second output interface; the controller is installed in the first accommodating cavity, the controller is electrically connected with the capacitor assembly and the IGBT module, and the controller controls the capacitor assembly and the IGBT module. Through the structure, the energy source of the mining locomotive is electrically connected with the input interface, so that two-phase direct current emitted from the energy source can be output to the motors of the two mining locomotives through the current transformation module, wherein the capacitor assembly filters the two-phase direct current, and the IGBT module inverts the two-phase direct current to divide the two-phase direct current into three-phase alternating current. Through the mode, one driver can be used for driving the two motors of the mine car, so that the use of cables is reduced, and the mutual interference between the cables is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 is a perspective view of a driver according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of an actuator according to an embodiment of the invention;

fig. 3 is an exploded view of a portion of a housing, a first interface, a second interface converter module, and a controller of a drive in accordance with an embodiment of the present invention;

FIG. 4 is an exploded view of another portion of the housing and heat sink of the actuator of an embodiment of the present invention;

figure 5 is a cross-sectional view of a housing of an actuator of an embodiment of the present invention;

fig. 6 is an enlarged view of a portion a of fig. 3 according to an embodiment of the present invention;

figure 7 is an exploded view of a portion of a capacitor assembly of a driver in accordance with an embodiment of the present invention.

The reference numerals of the drive 1 are explained below:

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It is noted that when an element is referred to as being "secured to"/"mounted to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "upper", "lower", "inner", "outer", "vertical", "horizontal", and the like as used herein are used in the description to indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and 2, the driver 1 includes: the device comprises a shell 10, a first interface 20, a variable flow module 30, a controller 40, a second interface 50 and a heat sink 60. The first interface 20 is installed on one side wall of the casing 10, the converter module 30 is installed in the casing 10, the converter module 30 is electrically connected to the first interface 20, the controller 40 is installed inside the casing 10, the controller 40 is electrically connected to the converter module 30, the second interface is installed on the other side wall of the casing 10, the second interface 50 is electrically connected to the converter module 30, the heat sink 60 is installed inside the casing 10 and partially exposed on the side wall of the casing 10, and the heat sink 60 is electrically connected to the controller 40. The first port 20 is electrically connected to an energy source of a mining locomotive, the energy source of the mining locomotive inputs two-phase direct current to the first port 20, the two-phase direct current passes through the converter module 30, the converter module 30 performs voltage stabilization, filtering and inversion processing on the two-phase direct current, the converter module 30 converts the two-phase direct current into two paths of three-phase alternating current, the converter module 30 outputs one of the three alternating currents to a second interface 50, and the second interface 50 is electrically connected to a motor of the mining locomotive. The controller 40 controls the current output by the converter module 30 according to the control signal of the mining locomotive and the feedback signal of the converter module 30, and the heat dissipation device 60 is used for dissipating heat for the converter module 30 and the controller 40.

As for the above-described housing 10, as shown in fig. 3 to 5, the housing 10 includes: the converter comprises a first vertical plate 11, a first mounting frame 12 and a second mounting frame 13, wherein the shell 10 is provided with a first accommodating cavity 14 and a second accommodating cavity 15, the first vertical plate 11 is covered on the first mounting frame 12, the first vertical plate 11 and the first mounting frame 12 form the first accommodating cavity 14, the second mounting frame 12 is fixed on one surface of the first mounting frame 12 departing from the first vertical plate 11, the second mounting frame 13 and the first mounting frame 12 form the second accommodating cavity 15, the converter module 30 and the controller 40 are installed in the first accommodating cavity 14, and the heat dissipation device 60 is installed in the second accommodating cavity 15.

Further, as shown in fig. 3 and fig. 5, the first mounting frame 12 includes a second vertical plate 121, a first horizontal plate 122 and a second horizontal plate 123, the first horizontal plate 122 and the second horizontal plate 123 are relatively fixed to two sides of the second vertical plate 121, the first vertical plate 11 and the second vertical plate 121 are relatively fixed to two sides of the first horizontal plate 122 and the second horizontal plate 123, and the first vertical plate 11, the second vertical plate 121, the first horizontal plate 122 and the second horizontal plate 123 form a first accommodating cavity 14. The second vertical plate 121 is provided with a first through hole 1211, the first through hole 1211 communicates with the first receiving cavity 14 and the second receiving cavity 15, the first horizontal plate 122 is provided with a second through hole 1221, the first port 20 communicates with the second through hole 1211, so that the first port 20 can be inserted into the first receiving cavity 14, the second horizontal plate 123 is provided with a third through hole 1231, and the third through hole 1231 communicates with the second port 50, so that the second port 50 can be inserted into the first receiving cavity 14.

Further, as shown in fig. 4 and 5, the second mounting bracket 13 includes a first side plate 131, a second side plate 132, and a third vertical plate 133, the first side plate 131 and the second side plate 132 are relatively fixed to two sides of the third vertical plate 133, and the third vertical plate 133, the second vertical plate 121, and the first vertical plate 11 are arranged in parallel. The second vertical plate 121, the third vertical plate 133, the first side plate 131 and the second side plate 132 form a second accommodating cavity, wherein the third vertical plate 133 is further provided with a fourth through hole 1331, and meanwhile, gaps are left on two side surfaces of the second accommodating cavity 15 without the plate, so that the heat sink 60 can dissipate heat.

As for the first interface 20 described above, as shown in fig. 3 and 5, the first interface 20 includes a first terminal box 21, an input interface 22, and a first fixing member 23. The first terminal box 21 is disposed in the first receiving cavity 14, the first terminal box 21 is mounted on the first horizontal plate 122 and is fastened to the second through hole 1211, the input interface 22 passes through the second through hole 1211 and is inserted into the first terminal box 21 and exposed to a surface of the second through hole 1211 facing away from the receiving cavity 14, the input interface 22 is electrically connected to the converter module 30, and the first fixing member 23 is mounted in the first terminal box 21.

As for the above current transformer module 30, as shown in fig. 3 and fig. 5, the current transformer module 30 includes an IGBT module 31 and a capacitor assembly 32, where the IGBT module 31 and the capacitor assembly 32 are both disposed in the first receiving cavity 14, the IGBT module 31 is mounted on the heat dissipation device 60, and mounting surfaces of the IGBT module 31 and the heat dissipation device 60 are located in the first through hole 1211, so that the heat dissipation device 60 can perform a heat dissipation function on the IGBT module 31 through the first through hole 1211 with respect to the IGBT module 31.

As for the above-described IGBT module 31, as shown in fig. 2, 3, and 6, the IGBT module 31 includes: the IGBT module 311, the first copper bar 312, the absorption capacitor 313, the Hall 314 and the first switching module 315. The number of the IGBT modules 311, the absorption capacitor 313, the hall 314, and the first switching module 315 is six, one of the hall 314 and the first switching module 315 is installed at two ends of one of the IGBT modules 311, the IGBT module 311 is installed on a surface of the heat dissipation device 60 communicating with the first through hole 1211, and the IGBT modules 311 are arranged in parallel. The first copper busbar 312 further includes a first positive pole piece 3121 and a first negative pole piece 3122, the first positive pole piece 3121 and the first negative pole piece 3122 are arranged in parallel, the first positive pole piece 3121 and the first negative pole piece 3122 are erected on the IGBT module 311, and the first positive pole member 3121 and the first negative pole member 3122 are electrically connected to the IGBT module 311, the absorption capacitor 313 is erected above the first positive pole piece 3121 and the first negative pole piece 3122, and the absorption capacitor 313 is disposed at intervals between the IGBT modules 311, the absorption capacitor 313 is electrically connected to the IGBT module 311, the first positive pole member 3121 and the first negative pole member 3122, so that when the two-phase direct current passing through the first positive pole member 3121 and the first negative pole member 3122 passes through the absorption capacitor 313, the absorption capacitor 313 absorbs the peak voltage of the two-phase direct current to protect the IGBT module 311.

As shown in fig. 2 to 4, the IGBT module 311 further includes a one-phase U1 output section 3111, a two-phase V1 output section 3112, and a three-phase W1 output section 3113 electrically connected to a part of the second interface 50, and a one-phase U2 output section 3114, a two-phase V2 output section 3115, and a three-phase W2 output section 3116 electrically connected to another part of the second interface 50. The two-phase dc power is inverted into three-phase ac power by the IGBT module 311, and then is output to the second port 50 through the one-phase U1 output unit 3111, the two-phase V1 output unit 3112, the three-phase W1 output unit 3113, the one-phase U2 output unit 3114, the two-phase V2 output unit 3115, and the three-phase W2 output unit 3116. The hall 314 is mounted at a connection point between the first-phase U1 output section 3111, the two-phase V1 output section 3112, the three-phase W1 output section 3113, the first-phase U2 output section 3114, the two-phase V2 output section 3115, and the three-phase W2 output section 3116 and the second port 50, and the hall 314 is electrically connected to the controller 40 and the IGBT module 311, and feeds back a voltage signal output from the IGBT module 311 to the controller 40. The first adapter module 315 is electrically connected to the IGBT module 311 and serves as a socket, and the first adapter module 315 may be plugged with other driving PCB boards to drive one IGBT module 311.

For the capacitor assembly 32, as shown in fig. 3 and 7, the capacitor assembly 32 includes a second copper bar 321, a brake module 322, a uniform resistor 323, a capacitor bus bar 324, a capacitor 325, a first mounting platform 326 and a bakelite plate 327, one end of the second copper bar 321 is connected to the capacitor bus bar 324, the other end of the second copper bar 321 is connected to the input interface 22 and partially exposed in the input interface 22, the brake module 322 is mounted on the heat dissipation device 60, the second copper bar 321 is mounted on the brake module 322, the uniform resistor 323, the capacitor bus bar 324 and the bakelite plate 327 are all mounted on the first mounting platform 326, and the capacitor 325 is plugged on the first mounting platform 326. Meanwhile, the second copper bar 321 is electrically connected to the brake module 322 and the capacitor bus bar 324, and the capacitor bus bar 324 is electrically connected to the uniform resistor 323, the capacitor 325, the controller 40 and the first copper bar 312, so that the two-phase direct current flows into the capacitor bus bar 324 through the second copper bar 321, and flows to the first copper bar 312 after flowing into the capacitor through the capacitor bus bar 324 and being temporarily stored. The uniform resistor 323 is electrically connected to the capacitor bus bar 324, and is configured to ensure that a current flowing into the capacitor bus bar 324 is stable, and prevent the capacitor 325 from being damaged. The bakelite plate 327 is mounted under the capacitor 325 and is fixed to the first mounting block 326 by a column of insulating material for insulation.

It should be noted that, during the rapid stopping process of the motor of the mining locomotive, due to the inertia effect, a large amount of regenerated electric energy may be generated, and the braking module 322 directly converts the regenerated electric energy during the rapid braking process of the motor of the mining locomotive into heat energy, so as to prevent the regenerated electric energy from being fed back to the capacitor assembly 32, and thus, the voltage fluctuation of the capacitor assembly 32 may not be caused, thereby playing a role in ensuring the stable operation of the capacitor assembly 32.

Further, as shown in fig. 4 and 7, the second copper bar 321 includes a second positive electrode 3211, a third positive electrode 3212, a fourth positive electrode 3213, a second negative electrode 3214, a third negative electrode 3215, and a resistor connecting member 3216; the braking module 322 includes a second switching module 3221 and a braking resistor 3222. The second adapting module 3221 is installed on the heat dissipating device 60, the braking resistor 3222 is erected on the second adapting module 3221, the braking resistor 3222 is electrically connected to the second adapting module 3221, the second positive electrode 3211 is erected on the second adapting module 3221, the fourth positive electrode 3213 is erected on the second positive electrode 3211, and the second positive electrode 3211 and the fourth positive electrode 3213 are electrically connected to each other and are both electrically connected to the second adapting module 3221 and the braking resistor 3222. The second negative electrode member 3214 is mounted on the second adapting module 3221, the third negative electrode member 3215 is mounted on the second negative electrode member 3214, and the second negative electrode member 3214 is electrically connected to the third negative electrode member 3215 and both electrically connected to the second adapting module 3221 and the braking resistor 3222. The resistor connecting member 3216 is mounted on the second adapting module 3221, and is electrically connected to the braking resistor 3222. The third positive electrode member 3212 overlaps the fourth positive electrode member 3213, and the third positive electrode member 3212 is electrically connected to the fourth positive electrode member 3213. When the second positive electrode 3211, the third positive electrode 3212, the second negative electrode 3214 and the resistance connector 3216 are inserted into the first terminal box 21, they are partially exposed to the input interface 22 and fixed to the first fixing element 23.

Further, as shown in fig. 7, the capacitor bus-bar 324 is provided with a positive input portion 3241, a positive output portion 3242, a negative input portion 3243 and a negative output portion 3244; the capacitor 325 is electrically connected with the capacitor bus bar 324; the first positive electrode member 3121 is electrically connected to the positive electrode output portion 3243, and the first negative electrode member 3122 is electrically connected to the negative electrode output portion 3245; the fourth positive electrode member 3213 is electrically connected to the positive electrode input portion 3242, and the third negative electrode member 3215 is electrically connected to the negative electrode input portion 3244.

As shown in fig. 3 and 7, the first mounting stage 326 includes a capacitor socket 3261, a control mounting stage 3262 and a fixing hoop 3263, the capacitor socket 3261 and the control mounting stage 3262 are disposed on the same plane, the capacitor 325 is plugged into the capacitor socket 3261 and fixed by the fixing hoop 3263, the controller 40 is partially mounted on one surface of the control mounting stage 3262, and the uniform resistor 323 is mounted on the other surface of the control mounting stage 3262.

For the above controller 40, as shown in fig. 3, the controller 40 includes a first control module 41, a second control module 42, a first driving module 43, a second driving module 44, a power control module 45, a second mounting table 46, a third mounting table 47 and a third adaptor module 48. The first control module 41, the second control module 42 and the third switching module 48 are all mounted on the second mounting table 46, the first driving module 43 and the second driving module 44 are all mounted on the third mounting table 47, and the third mounting table 47 is arranged below the second mounting table 46; the power control module 45 is mounted to the control mount 3262 of the first mount 326. The first control module 41 is electrically connected to the first driving module 43, the second control module 42 is electrically connected to the second driving module 44, the power control module 45 is electrically connected to the capacitor 325 and the hall 314, and the third relay module 48 is electrically connected to the first control module 41 and the second control module 42. The first driving module 43 is electrically connected to the one-phase U1 output section 3111, the two-phase V1 output section 3112, and the three-phase W1 output section 3113 of the IGBT module 311; the second driving module 44 is electrically connected to the one-phase U2 output section 3114, the two-phase V2 output section 3115, and the three-phase W2 output section 3116 of the IGBT module 311. So that the first control module 41 controls the first driving module 43 to regulate the one-phase U1 output 3111, the two-phase V1 output 3112 and the three-phase W1 output 3113 of the IGBT module 311 to output one-phase three-phase alternating current to one motor of the mining locomotive; the second control module 42 controls the second driving module 44 to regulate the one-phase U2 output 3114, the two-phase V2 output 3115 and the three-phase W2 output 3116 of the IGBT module 311 to output one-phase three-phase alternating current to another motor of the mining locomotive.

As for the second interface 50, as shown in fig. 3 and 5, the second interface 50 includes a first output interface 51, a second output interface 52, a second junction box 53, and a second fixing member 54. The second terminal box 51 is disposed outside the first receiving cavity 14, the second terminal box 51 is mounted on the second cross plate 123 and fastened to the third through hole 1231,

the first output interface 51 and the second output interface 52 are inserted into the second junction box 51 through the third through hole 1231 and exposed to a surface of the third through hole 1231 away from the accommodating cavity 14, the first output interface 51 and the second output interface 52 are electrically connected to the current transforming module 30, and the second fixing member 53 is installed in the second junction box 51. The first output interface 51 is electrically connected to the one-phase U1 output 3111, the two-phase V1 output 3112 and the three-phase W1 output 3113 of the IGBT module 311; the second output interface 52 is electrically connected to the one-phase U2 output section 3114, the two-phase V2 output section 3115, and the three-phase W2 output section 3116 of the IGBT module 311. So that the three-phase alternating current flowing out of the IGBT module 311 can be output to the two motors of the mining locomotive through the first output interface 51 and the second output interface 52.

As for the heat dissipation device 60, as shown in fig. 4, the heat dissipation device 60 includes a first heat dissipation assembly 61, a second heat dissipation assembly 62, a fan set 63, an air duct baffle 64, and a heat dissipation interface 65. The first heat dissipation assembly 61 and the second heat dissipation assembly 62 are disposed adjacent to each other and are both mounted in the second receiving cavity 15, the second switching module 3221 of the braking module 322 is mounted on the first heat dissipation assembly 61, two of the IGBT modules 311 are mounted on the first heat dissipation assembly 61, and the remaining four of the IGBT modules 311 are mounted on the second heat dissipation assembly 62, and joints of the IGBT modules 311 are sealed to meet the requirement of IP 54. The fan set 63 and the first horizontal plate 122 are disposed on the same plane and exposed to the gap, and the air duct baffle 64 is disposed opposite to the fan set 63. The heat dissipation interface 65 penetrates through the second vertical plate 121 to be electrically connected with the power control module 45, and the heat dissipation interface 65 is electrically connected with the first heat dissipation assembly 61, the second heat dissipation assembly 62 and the fan set 63. When the circuit is switched on, the heat dissipation device 60 works to reduce the temperature, reduce the influence of the temperature on the circuit and improve the working efficiency.

In the embodiment of the present invention, the driver 1 includes: the device comprises a shell 10, a first interface 20, a variable flow module 30, a controller 40, a second interface 50 and a heat sink 60. The first interface 20 is installed on one side wall of the casing 10, the converter module 30 is installed in the casing 10, the converter module 30 is electrically connected to the first interface 20, the controller 40 is installed inside the casing 10, the controller 40 is electrically connected to the converter module 30, the second interface is installed on the other side wall of the casing 10, the second interface 50 is electrically connected to the converter module 30, the heat sink 60 is installed inside the casing 10 and partially exposed on the side wall of the casing 10, and the heat sink 60 is electrically connected to the controller 40. The first port 20 is electrically connected to an energy source of a mining locomotive, the energy source of the mining locomotive inputs two-phase direct current to the first port 20, the two-phase direct current passes through the converter module 30, the converter module 30 performs voltage stabilization, filtering and inversion processing on the two-phase direct current, the converter module 30 converts the two-phase direct current into two paths of three-phase alternating current, the converter module 30 outputs one of the three alternating currents to a second interface 50, and the second interface 50 is electrically connected to a motor of the mining locomotive. The controller 40 controls the current output by the converter module 30 according to the control signal of the mining locomotive and the feedback signal of the converter module 30, and the heat dissipation device 60 is used for dissipating heat for the converter module 30 and the controller 40.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention. Those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. A driver, comprising:

the shell is provided with a first accommodating cavity;

the first interface comprises an input interface, and the input interface is arranged on the shell;

the second interface comprises a first output interface and a second output interface, and the first output interface and the second output interface are both arranged on the shell;

the current transformation module comprises a capacitor assembly and an IGBT module, the IGBT module and the capacitor assembly are both arranged in the first accommodating cavity, the capacitor assembly is electrically connected with the IGBT module, the input interface is electrically connected with the capacitor assembly, and the IGBT module is respectively electrically connected with the first output interface and the second output interface;

and the controller is arranged in the first accommodating cavity and is electrically connected with the capacitor assembly and the IGBT module.

2. The driver of claim 1,

the IGBT module comprises an IGBT module, a first copper bar and an absorption capacitor, the first copper bar is installed in the first accommodating cavity, and the IGBT module and the absorption capacitor are installed on the first copper bar;

the IGBT module is electrically connected with the first copper bar, the first output interface and the second output interface, the first copper bar is electrically connected with the capacitor assembly and the absorption capacitor, and after the capacitor assembly enables two-phase direct current to flow into the absorption capacitor through the first copper bar, the two-phase direct current flows into the IGBT module and is respectively output to the first output interface and the second output interface.

3. The driver of claim 2,

the IGBT module is also provided with a first-phase U1 output part, a two-phase V1 output part and a three-phase W1 output part which are electrically connected with the first output interface, and a first-phase U2 output part, a two-phase V2 output part and a three-phase W2 output part which are electrically connected with the second output interface.

4. The driver of claim 2,

the capacitor assembly comprises a second copper bar, a capacitor bus bar and a capacitor, one end of the second copper bar is connected with the capacitor bus bar, the other end of the second copper bar is connected with the input interface, the capacitor is inserted into the capacitor bus bar, and the capacitor bus bar is electrically connected with the capacitor and the second copper bar of the IGBT module.

5. The driver of claim 1,

the controller comprises a first control module, a second control module, a first driving module, a second driving module and a power supply control module;

the first control module, the second control module, the first driving module, the second driving module and the power supply control module are all arranged in the first accommodating cavity, the first control module is electrically connected with the first driving module, and the second control module is electrically connected with the second driving module;

the first driving module, the second driving module and the power control module are electrically connected with the current transformation module.

6. The driver of claim 5,

the shell comprises a first vertical plate, a first mounting frame and a second mounting frame, the first vertical plate and the first mounting frame form a first accommodating cavity, and the first mounting frame and the second mounting frame of the shell further form a second accommodating cavity.

7. The driver of claim 6,

the first mounting frame is provided with a first through hole which is communicated with the first accommodating cavity and the second accommodating cavity;

the driver further comprises a heat dissipation device, the heat dissipation device comprises a first heat dissipation component, a second heat dissipation component and a fan set, the first heat dissipation component, the second heat dissipation component and the fan set are all installed in the second accommodating cavity, one surfaces of the first heat dissipation component and the second heat dissipation component are exposed to the first through hole, and the fan set is installed on one cavity wall of the second accommodating cavity and is exposed to one cavity wall of the second accommodating cavity;

the first heat dissipation assembly, the second heat dissipation assembly and the fan set are electrically connected with the power supply control module.

8. The driver of claim 4,

the capacitor assembly further comprises a brake module and an even resistor, the brake module and the even resistor are both installed in the first accommodating cavity, the brake module is electrically connected with the second copper bar, and the even resistor is electrically connected with the capacitor busbar.

9. The driver of claim 5,

the IGBT module further comprises a Hall, and the Hall is electrically connected with the power supply control module and the IGBT module.

10. A mining locomotive comprising an actuator as claimed in any one of claims 1 to 9.

Images