Elevator control cabinet

Abstract

The utility model provides an elevator control cabinet. The elevator control cabinet comprises a box body, a door body and a control panel, the first support is arranged in the containing cavity so as to divide the containing cavity into a heat dissipation cavity and a device cavity in the first direction, the first support is provided with a through hole, and the first direction is perpendicular to the thickness direction of the box body; the driving module comprises a driving board and a module board, the driving board is arranged in the device cavity, the module board comprises a circuit board, an electrolytic capacitor and a rectification inversion module, the electrolytic capacitor and the rectification inversion module are arranged on the circuit board, the circuit board is connected with the surface of the side, close to the device cavity, of the first support, and the electrolytic capacitor and the rectification inversion module penetrate through the penetrating hole and are located in the heat dissipation cavity. The heat dissipation cavity can dissipate heat of the electrolytic capacitor and the rectification inversion module on the module board in a concentrated mode, so that the influence of heat of the electrolytic capacitor and the rectification inversion module on electronic components on the driving board in the device cavity can be reduced, and the reliability and stability of operation of the elevator control cabinet can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of elevator equipment, and particularly relates to an elevator control cabinet. BACKGROUND

[0002] Elevators have been increasingly popular in every corner of the city. In order to ensure normal operation of the elevator, the elevator is generally equipped with a control cabinet.

[0003] A plurality of power devices are arranged in the control cabinet, and the power devices have a large amount of heat. In the related technology, the plurality of power devices are distributed in the control cabinet in a scattered manner, so that the heat of the power devices easily has an adverse effect on other electrical devices, thereby affecting the reliability and stability of the operation of the control cabinet. CONTENT OF THE UTILITY MODEL

[0004] Embodiments of the present application provide an elevator control cabinet, so as to improve the problem of low reliability and stability of the operation of the control cabinet.

[0005] Embodiments of the present application provide an elevator control cabinet, so as to improve the problem of low reliability and stability of the operation of the control cabinet.

[0006] The elevator control cabinet of the embodiments of the present application is provided with a first support in the accommodating cavity inside the cabinet body, and the first support separates the accommodating cavity into a heat dissipation cavity and a device cavity along a first direction. The first support is provided with a through hole, and the electrolytic capacitor and the rectifier-inverter module are located in the heat dissipation cavity after passing through the through hole. The electrolytic capacitor and the rectifier-inverter module are both heat generating elements. In this way, the heat dissipation cavity can concentrate on dissipating heat of the electrolytic capacitor and the rectifier-inverter module on the module board, thereby reducing the influence of the heat of the electrolytic capacitor and the rectifier-inverter module on the electronic components on the drive board in the device cavity, so as to improve the reliability and stability of the operation of the elevator control cabinet. In addition, since the electrolytic capacitor and the rectifier-inverter module with a large amount of heat are arranged in the heat dissipation cavity, and the drive board is provided with a low-heat circuit structure, the device cavity can adopt natural air convection heat dissipation, and does not need to additionally arrange a heat dissipation module, thereby saving components, so as to improve the structural compactness of the elevator control cabinet, and further achieve the requirement of size miniaturization.

[0007] In some embodiments, the module board further comprises a pre-charge module arranged on the circuit board, the pre-charge module, the electrolytic capacitor and the rectifier-inverter module are arranged in a second direction, the second direction, the first direction and the thickness direction of the cabinet are perpendicular to each other. That is, the module board also integrates the pre-charge function of the pre-charge board in the related art. By also integrating the pre-charge module on the module board, the heat dissipation cavity can concentrate on the electrolytic capacitor, the rectifier-inverter module and the pre-charge module on the module board, thereby further reducing the influence of the heat of the above-mentioned components on the electronic components on the drive board in the device cavity, thereby facilitating further improving the reliability and stability of the operation of the elevator control cabinet.

[0008] In some embodiments, the cabinet is provided with a first air inlet and a second air inlet which are in communication with the heat dissipation cavity, and the first air inlet and the second air inlet are oppositely arranged; the elevator control cabinet further comprises a heat dissipation fan and a heat sink, the heat dissipation fan is arranged corresponding to the first air inlet and / or the second air inlet and is installed on the cabinet, and the heat sink is connected with one side surface of the first support close to the heat dissipation cavity, and the heat dissipation surface of the heat sink is attached to the rectifier-inverter module. In this way, the heat dissipation fan can perform air cooling heat dissipation on the heat sink, the electrolytic capacitor and the pre-charge module to discharge the heat generated during the operation of the above-mentioned components, thereby facilitating improving the reliability and stability of the operation of the elevator control cabinet.

[0009] In some embodiments, the first support comprises a first sub-board and a second sub-board connected with each other, the thickness direction of the first sub-board is parallel to the first direction, and the second sub-board is arranged at an angle with the first sub-board; the first sub-board, the second sub-board and the cabinet jointly form the heat dissipation cavity, the first sub-board is provided with the through hole, and the heat sink and the circuit board are installed on the first sub-board. By arranging the first support as two sub-boards at an angle with each other, on the one hand, the strength of the first support can be improved, and on the other hand, the reliability of the installation of the first support and the cabinet can be improved.

[0010] In some embodiments, the cabinet comprises a bottom plate; the elevator control cabinet further comprises a power supply module electrically connected with the drive module, and the power supply module comprises a power supply board arranged in the device cavity, and the power supply board and the drive board are connected with the bottom plate and arranged in the first direction. On the one hand, the convenience of electrical connection of the power supply board and the drive board can be improved. On the other hand, the power supply board does not occupy too much space in the thickness direction of the cabinet, thereby also reducing the thickness of the elevator control cabinet to meet the installation requirements of narrow space.

[0011] In some embodiments, the elevator control cabinet further comprises a second support and a control module arranged in the device cavity, the control module is electrically connected with the drive module, the control module comprises a main control board and a UCMP board; the second support is connected with the side surface of the power board and / or the drive board away from the bottom plate, and the main control board and the UCMP board are both connected with the side surface of the second support away from the power board and are arranged in the first direction. In the first aspect, the convenience of electrical connection between the main control board and the UCMP board can be improved. In the second aspect, the bottom plate, the drive board and the power board constitute a first layer structure in the device cavity, and the second support, the main control board and the UCMP board constitute a second layer structure in the device cavity. Through such a layered structure, the space utilization in the device cavity can be further improved, so that the main control board and the UCMP board do not occupy too much space in the thickness direction of the cabinet, thereby facilitating further reduction of the thickness of the elevator control cabinet to meet the installation requirements of the narrow space.

[0012] In some embodiments, the second support does not overlap the module board on the bottom plate. In this way, the second support does not interfere with the module board, and the distance between the second support and the drive board and the power board is not limited by the module board. In this way, the distance between the second support and the drive board and the power board can be set to the limit distance, thereby further reducing the thickness of the elevator control cabinet to meet the installation requirements of the narrow space.

[0013] In some embodiments, the thickness of the elevator control cabinet is not more than 15 cm. The elevator control cabinet of the embodiments of the present application has a maximum thickness of not more than 15 cm under the design of the above-mentioned layered structure, thereby realizing the lightweight design of the elevator control cabinet to meet the installation requirements of the narrow space.

[0014] In some embodiments, the elevator control cabinet further comprises a first insulating member and a second insulating member, the first insulating member is arranged between the drive board and the bottom plate, and the second insulating member is arranged between the main control board and the second support. In this way, the insulation performance between the drive board and the bottom plate and between the main control board and the second support can be improved, avoiding short circuit, electrical breakdown and other conditions, thereby facilitating further improvement of the safety and reliability of the elevator control cabinet.

[0015] In some embodiments, the elevator control cabinet further comprises a third insulation piece connected to a side edge of the second insulation piece close to the module plate, and the third insulation piece is provided with a containing groove recessed away from a side of the second support, and part of the module plate is located in the containing groove. When the main control board and the second support are installed, part of the module plate is located in the containing groove of the third insulation piece. In this way, the third insulation piece can realize strong and weak current isolation between the module plate and the main control board, thereby facilitating further improvement of the safety and reliability of the elevator control cabinet. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 The structural schematic diagram of the elevator control cabinet provided by an embodiment of the present application is shown in the figure.

[0018] Figure 2 The exploded structural schematic diagram of the elevator control cabinet provided by an embodiment of the present application is shown in the figure.

[0019] Figure 3 The structural schematic diagram of the module plate from one perspective provided by an embodiment of the present application is shown in the figure.

[0020] Figure 4 The structural schematic diagram of the module plate from another perspective provided by an embodiment of the present application is shown in the figure.

[0021] Figure 5 The structural schematic diagram of the module plate from another perspective provided by an embodiment of the present application is shown in the figure.

[0022] Explanation of reference signs:

[0023] 10 - elevator control cabinet;

[0024] 100 - box body, 101 - containing cavity, 1011 - heat dissipation cavity, 1012 - device cavity, 102 - first air port, 103 - second air port, 110 - bottom plate;

[0025] 200 - first support, 201 - perforation, 210 - first sub-plate, 220 - second sub-plate;

[0026] 300 - module plate, 310 - circuit board, 311 - second copper base, 320 - electrolytic capacitor, 330 - rectifier and inverter module, 340 - pre-charge module, 341 - contactor, 342 - pre-charge resistor;

[0027] 400-Cooling fan, 500-Heat sink, 600-Driver board, 601-First copper base, 700-Power supply board, 710-Connecting post, 800-Second bracket, 910-Main control board, 920-UCMP board, 930-First insulator, 940-Second insulator, 950-Third insulator, 951-Receiving slot. Detailed Implementation

[0028] The principles and features of this application are described below with reference to the accompanying drawings. The examples given are only for explaining this application and are not intended to limit the scope of this application.

[0029] This application provides an elevator control cabinet 10. For example... Figures 1 to 3 As shown, the elevator control cabinet 10 includes a housing 100, a first support 200, and a drive module. The housing 100 has an internal cavity 101. The first support 200 is located within the cavity 101, dividing it along a first direction X into a heat dissipation cavity 1011 and a device cavity 1012. The first support 200 has a through hole 201, and the first direction X is perpendicular to the thickness direction Y of the housing 100. The drive module includes a module board 300 and a drive board 600. The drive board 600 is located within the device cavity 1012. The module board 300 includes a circuit board 310, an electrolytic capacitor 320, and a rectifier-inverter module 330 mounted on the circuit board 310. The circuit board 310 is connected to the surface of the first support 200 near the device cavity 1012. The electrolytic capacitor 320 and the rectifier-inverter module 330 pass through the through hole 201 and are located within the heat dissipation cavity 1011.

[0030] The elevator control cabinet 10 of this application includes a housing 100, a first support 200, and a drive module. The housing 100 is the base of the elevator control cabinet 10, and the receiving cavity 101 of the housing 100 is used to house the internal electronic components. The housing 100 can protect the internal electronic components from external environmental factors (such as dust, moisture, impact, etc.). The housing 100 can be made of a material with a certain strength, such as aluminum or aluminum alloy. Multiple heat dissipation holes can be provided on the housing 100 to allow for a certain degree of air circulation.

[0031] The first support 200 is arranged in the accommodating cavity 101, so as to divide the accommodating cavity 101 into a heat dissipation cavity 1011 and a device cavity 1012 along the first direction X. The heat dissipation cavity 1011 can provide a heat dissipation space, and is mainly used for accommodating electronic components that generate a large amount of heat during operation. The device cavity 1012 is mainly used for accommodating electronic components that do not need special heat dissipation or have low heat dissipation requirements. That is, the heat dissipation capacity in the heat dissipation cavity 1011 is greater than the heat dissipation capacity in the device cavity 1012. The perforations 201 on the first support 200 are used for the electrolytic capacitor 320 and the rectifier-inverter module 330 to pass through, so that the electrolytic capacitor 320 and the rectifier-inverter module 330 are located in the heat dissipation cavity 1011.

[0032] The drive module includes a drive board 600 and a module board 300, and the module board 300 includes a circuit board 310 and an electrolytic capacitor 320 and a rectifier-inverter module 330 arranged on the circuit board 310. The drive module is one of the core structures in the elevator control cabinet 10, and directly controls the operation of the motor of the elevator to ensure that the elevator can realize the functions of starting, accelerating, decelerating, stopping and the like. Generally, the elevator control cabinet 10 further includes a control module and a power module, and the control module, the power module and the drive module are electrically connected with each other. The power module can take power from the power supply wiring terminal of the drive board 600 and then convert it into power supply of various voltage levels to supply power to various components of the drive module and the control module. The control module takes power from the power module through a wire harness; the control module drives the elevator traction machine through the drive module, thereby realizing the control functions of the elevator car ascending, descending, stopping and opening the door, and shock absorption.

[0033] As shown in FIGS. 1, 2 and 3, the drive board 600 is arranged in the heat dissipation cavity 1011, and the module board 300 is arranged in the device cavity 1012. Figure 2 and Figure 4 The first copper seat 601 is arranged on the drive board 600, and the second copper seat 311 is arranged on the module board 300. The first copper seat 601 and the second copper seat 311 are connected with each other, so as to realize the electrical connection between the drive board 600 and the module board 300.

[0034] The circuit board 310 can be a printed circuit board (PCB). The electrolytic capacitor 320 is used for storing electrical energy, smoothing direct current or filtering an alternating current signal. The rectifier-inverter module 330 is used for converting alternating current and direct current. The rectifier-inverter module 330 can include a rectifier and an inverter.

[0035] In the related art, a drive board and a capacitor board are arranged in the elevator control cabinet, the drive board is provided with a rectifier-inverter module, and the capacitor board is provided with an electrolytic capacitor. In the present application, the electrolytic capacitor 320 and the rectifier-inverter module 330 are integrated on the circuit board 310 to form the module board 300, and the rectifier-inverter module is cancelled on the drive board 600. Thus, the module board 300 has the functions of the capacitor board in the related art and the rectifier-inversion function of the drive board 600, and only other electrical devices such as STO board (Safe Torque Off), circuit interface, integrated circuit, and low-heat circuit structure are reserved on the drive board 600 except the rectifier-inverter module.

[0036] The elevator control cabinet 10 of the embodiment of the present application is provided with the first support 200 in the accommodating cavity 101 inside the box body 100, and the accommodating cavity 101 is divided into the heat dissipation cavity 1011 and the device cavity 1012 along the first direction X by the first support 200. The first support 200 is provided with the perforation 201, and the electrolytic capacitor 320 and the rectifier-inverter module 330 are located in the heat dissipation cavity 1011 after passing through the perforation 201. The electrolytic capacitor 320 and the rectifier-inverter module 330 are both heat generating elements. In this way, the heat dissipation cavity 1011 can concentrate on dissipating heat of the electrolytic capacitor 320 and the rectifier-inverter module 330 on the module board 300, thereby reducing the influence of heat of the electrolytic capacitor 320 and the rectifier-inverter module 330 on the electronic components on the drive board 600 in the device cavity 1012, so as to improve the reliability and stability of the operation of the elevator control cabinet 10. In addition, since the electrolytic capacitor 320 and the rectifier-inverter module 330 with large heat are arranged in the heat dissipation cavity 1011, and the circuit structure on the drive board 600 is low-heat, the device cavity 1012 can adopt natural air convection heat dissipation, and does not need to additionally arrange a heat dissipation module, thereby saving components, so as to improve the compactness of the structure of the elevator control cabinet 10, and further realize the demand of size miniaturization.

[0037] In some embodiments, as shown in Figures 3 to 5 and referring to Figure 2 , the module board 300 further includes a pre-charge module 340 arranged on the circuit board 310, the pre-charge module 340, the electrolytic capacitor 320, and the rectifier-inverter module 310 are arranged in the second direction Z, and the second direction Z, the first direction X, and the thickness direction Y of the box body 100 are perpendicular to each other.

[0038] In the embodiment, the first direction X can be the length direction of the elevator control cabinet 10, and the second direction Z can be the height direction of the elevator control cabinet 10. The module plate 300 further comprises a pre-charge module 340 arranged on the circuit board 310, that is, the module plate 300 further integrates the pre-charge function of the pre-charge plate in the related art. The pre-charge module 340 can protect the elements in the circuit from the impact current, thereby improving the stability of the drive module. As shown in Figure 3 and Figure 5 The pre-charge module 340 can comprise a contactor 341 and a pre-charge resistor 342, and the contactor 341 and the pre-charge resistor 342 are also heat generating elements.

[0039] By also integrating the pre-charge module 340 on the module plate 300, the heat dissipation cavity 1011 can concentrate on dissipating heat for the electrolytic capacitor 320, the rectification and inversion module 330, and the pre-charge module 340 on the module plate 300. Thereby, the influence of the heat of the above-mentioned components on the electronic components on the drive plate 600 in the device cavity 1012 can be further reduced, thereby facilitating further improving the reliability and stability of the operation of the elevator control cabinet 10.

[0040] In some embodiments, as shown in Figure 2 The box body 100 is provided with a first air inlet 102 and a second air inlet 103 which are in communication with the heat dissipation cavity 1011, and the first air inlet 102 and the second air inlet 103 are oppositely arranged. The elevator control cabinet 10 further comprises a heat dissipation fan 400 and a heat sink 500. The heat dissipation fan 400 is arranged corresponding to the first air inlet 102 and / or the second air inlet 103 and is installed on the box body 100. The heat sink 500 is connected with one side surface of the first support 200 close to the heat dissipation cavity 1011, and the heat dissipation surface of the heat sink 500 is attached to the rectification and inversion module 330.

[0041] In the embodiment, the elevator control cabinet 10 further comprises the heat dissipation fan 400 and the heat sink 500. The heat sink 500 is connected with one side surface of the first support 200 close to the heat dissipation cavity 1011. That is, the heat sink 500 and the circuit board 310 of the module plate 300 are connected with the two opposite surfaces of the first support 200, respectively. Further, the heat dissipation surface of the heat sink 500 is attached to the rectification and inversion module 330, so that the heat sink 500 can dissipate heat for the rectification and inversion module 330. The heat sink 500 can be, for example, a fin-type heat sink, a heat pipe-type heat sink, etc., which is not limited in the present application. Further, the heat dissipation fan 400 is arranged corresponding to the first air inlet 102 and / or the second air inlet 103 and is installed on the box body 100. In this way, the heat dissipation fan 400 can perform air cooling for the heat sink 500, the electrolytic capacitor 320, and the pre-charge module 340 to discharge the heat generated during the operation of the above-mentioned components, thereby facilitating improving the reliability and stability of the operation of the elevator control cabinet 10.

[0042] It should be noted that the setting of the heat dissipation fan 400 corresponding to the first air port 102 and / or the second air port 103 means that the heat dissipation fan 400 can be set in multiple ways. For example, the heat dissipation fan 400 can be two groups, one group opposite the first air port 102 and the other group opposite the second air port 103, and the two groups of heat dissipation fans 400 can work together to form forced convection heat dissipation, and the heat dissipation effect is optimal; or the heat dissipation fan 400 can be a group, and is arranged opposite one of the first air port 102 and the second air port 103. In this case, heat dissipation of the heat dissipation cavity 1011 can also be achieved, while the cost can also be reduced.

[0043] In some embodiments, as shown in Figure 2 The first support 200 includes a first sub-plate 210 and a second sub-plate 220 connected to each other, the thickness direction of the first sub-plate 210 is parallel to the first direction X, and the second sub-plate 220 is arranged at an angle with the first sub-plate 210. The first sub-plate 210, the second sub-plate 220 and the box body 100 jointly form the heat dissipation cavity 1011, the perforations 201 are arranged on the first sub-plate 210, and the heat sink 500 and the circuit board 310 are mounted on the first sub-plate 210.

[0044] In this embodiment, the first support 200 is composed of the first sub-plate 210 and the second sub-plate 220, and the first sub-plate 210 is a mounting plate for the heat sink 500 and the circuit board 310. By arranging the first support 200 as two sub-plates at an angle with each other, on the one hand, the strength of the first support 200 can be improved, and on the other hand, the reliability of the installation of the first support 200 and the box body 100 can be improved. The angle between the second sub-plate 220 and the first sub-plate 210 can be 80°, 90°, 100°, etc., and can be designed flexibly according to actual conditions. Alternatively, the first sub-plate 210 and the second sub-plate 220 can be connected as a whole through a connecting piece, or they can be formed through bending, one-piece molding process, etc., which are not limited in the present application.

[0045] In other embodiments, the first support 200 can only retain the first sub-plate 210, and the first sub-plate 210 and the box body 100 can also be arranged to form the heat dissipation cavity 1011, so that the structure of the first support 200 can be simplified, thereby improving the convenience of manufacturing the first support 200.

[0046] In some embodiments, as shown in Figure 2 The box body 100 includes a bottom plate 110, and the elevator control cabinet 10 further includes a power supply module electrically connected with the drive module, the power supply module includes a power supply board 700 arranged in the device cavity 1012, and the power supply board 700 and the drive board 600 are connected with the bottom plate 110 and are arranged at intervals along the first direction X.

[0047] The power module includes a power board 700, which is used to take power from the drive board 600 and then convert the power into power of various voltage levels to supply power to various electrical devices. In the embodiment, the power board 700 and the drive board 600 are arranged along the first direction X in the device cavity 1012 and are connected to the bottom plate 110. On the one hand, the arrangement can improve the convenience of electrical connection between the power board 700 and the drive board 600. On the other hand, the power board 700 does not occupy too much space in the thickness direction Y of the cabinet 100, thereby reducing the thickness of the elevator control cabinet 10 to meet the installation requirements of a narrow space. In addition, the power board 700 and the drive board 600 are arranged along the first direction X, and the module board 300 is arranged at an angle with respect to the power board 700 and the drive board 600, thereby improving the space utilization of the accommodation cavity 101 and facilitating the miniaturization of the elevator control cabinet 10.

[0048] It should be noted that the power board 700 in the embodiment of the present application can be a power board in a control cabinet in the related art, and only the arrangement position in the cabinet 100 is changed without changes in the circuit compared with the related art.

[0049] In some embodiments, as shown in Figure 2 The elevator control cabinet 10 further includes a second support 800 and a control module arranged in the device cavity 1012. The control module is electrically connected to the drive module, and the control module includes a main control board 910 and a UCMP (Unintended car movement protection system) board 920. The second support 800 is connected to the side surface of the power board 700 and / or the drive board 600 away from the bottom plate 110, and the main control board 910 and the UCMP board 920 are connected to the side surface of the second support 800 away from the power board 700 and are arranged along the first direction X.

[0050] The elevator control cabinet 10 further includes a control module and a second support 800. The control module includes a main control board 910 and a UCMP board 920. The control module takes power from the power module through a wire harness and sends control instructions to the drive module. The main control board 910 in the control module is the core of the control module, which drives the elevator hoist to work by controlling the drive module, thereby realizing the control functions of elevator car ascending, descending, stopping, opening the door, and damping; the UCMP board 920 in the control module is connected to the elevator car through a wire harness to realize the functions of opening the door in advance and detecting door lock short circuit; and the main control board 910 and the UCMP board 920 in the control module are electrically connected to each other.

[0051] In the embodiment, the second support 800 is connected to the side surface of the power board 700 and / or the drive board 600 away from the bottom plate 110, for example, the second support 800 is connected to the side surface of the power board 700 or the drive board 600 away from the bottom plate 110; or, as shown in Figure 2 The power board 700 and the drive board 600 are provided with connecting columns 710, and the second support 800 is connected to the side surface of the power board 700 and the drive board 600 away from the bottom plate 110 through the connecting columns 710. In this way, the fixation of the second support 800 in the device cavity 1012 can be realized. Further, the master control board 910 and the UCMP board 920 are connected to the side surface of the second support 800 away from the power board 700 and are arranged at intervals along the first direction X. In this way, on the one hand, the convenience of electrical connection between the master control board 910 and the UCMP board 920 can be improved. On the other hand, the bottom plate 110, the drive board 600 and the power board 700 constitute a first layer structure in the device cavity 1012, and the second support 800, the master control board 910 and the UCMP board 920 constitute a second layer structure in the device cavity 1012. Through such a layered structure, the space utilization in the device cavity 1012 can be further improved, so that the master control board 910 and the UCMP board 920 do not occupy too much space in the thickness direction Y of the cabinet 100, thereby facilitating further reduction of the thickness of the elevator control cabinet 10 to meet the installation requirements of narrow spaces. For example, the elevator control cabinet 10 of the embodiment can be applied in the field of villa elevators.

[0052] It should be noted that the master control board 910 and the UCMP board 920 in the embodiment can be the master control board and the UCMP board in the control cabinet in the related art, and only the setting position in the cabinet 100 is changed without changes in the circuit compared with the related art.

[0053] In some embodiments, the orthographic projection of the second support 800 on the bottom plate 110 does not overlap the orthographic projection of the module board 300 on the bottom plate 110. In this way, the second support 800 does not interfere with the module board 300, and the distance between the second support 800 and the drive board 600 and the power board 700 is not limited by the module board 300. In this way, the distance between the second support 800 and the drive board 600 and the power board 700 can be set to the limit distance, thereby further reducing the thickness of the elevator control cabinet 10 to meet the installation requirements of narrow spaces.

[0054] In some embodiments, the thickness of the elevator control cabinet 10 is less than or equal to 15 cm. That is, the thickness of the elevator control cabinet 10 according to the embodiments of the present application is not more than 15 cm in the design of the layered structure, so that the thin design of the elevator control cabinet 10 can be realized to meet the installation requirements of narrow space. Alternatively, the thickness of the elevator control cabinet 10 can be 12 cm, 12.5 cm, 13 cm, etc.

[0055] In some embodiments, as shown in Figure 2 The elevator control cabinet 10 further includes a first insulating piece 930 and a second insulating piece 940, the first insulating piece 930 is arranged between the drive board 600 and the bottom plate 110, and the second insulating piece 940 is arranged between the main control board 910 and the second support 800.

[0056] Since the thickness of the elevator control cabinet 10 according to the embodiments of the present application is small, the distance between the drive board 600 and the bottom plate 110 and the distance between the main control board 910 and the second support 800 are also reduced. In this case, the first insulating piece 930 is arranged between the drive board 600 and the bottom plate 110, and the second insulating piece 940 is arranged between the main control board 910 and the second support 800. In this way, the insulation performance between the drive board 600 and the bottom plate 110 and between the main control board 910 and the second support 800 can be improved, so as to avoid short circuit, electrical breakdown and other conditions, thereby facilitating further improvement of the safety and reliability of the elevator control cabinet 10.

[0057] Alternatively, the first insulating piece 930 and the second insulating piece 940 can be insulating paper, which has good insulation performance and is relatively thin, so as to ensure that the thickness of the elevator control cabinet 10 will not increase.

[0058] In some embodiments, as shown in Figure 2 The elevator control cabinet 10 further includes a third insulating piece 950 connected to one side edge of the second insulating piece 940 close to the module board 300, the third insulating piece 950 is provided with a receiving groove 951 recessed away from the second support 800, and part of the module board 300 is located in the receiving groove 951.

[0059] In the embodiments, the elevator control cabinet 10 further includes the third insulating piece 950. Since the module board 300 integrates a plurality of power elements and is a strong electric area, and the main control board 920 is a weak electric area. After the main control board 920 and the second support 800 are installed, part of the module board 300 is located in the receiving groove 951 of the third insulating piece 950. In this way, the third insulating piece 950 can realize the strong and weak electric isolation between the module board 300 and the main control board 920, thereby facilitating further improvement of the safety and reliability of the elevator control cabinet 10.

[0060] Optionally, the third insulation piece 950 can also be insulation paper. Optionally, the third insulation piece 950 and the second insulation piece 940 are integrally formed, and the third insulation piece 950 can be formed by bending the edge of the second insulation piece 940. Thus, the manufacturing cost of the third insulation piece 950 is reduced.

[0061] In the description of the present application, it needs to be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0062] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0063] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0064] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0065] In the description of the specification, the description using the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" etc. means that the particular feature, structure, material or characteristic being described is included in at least one embodiment or example of the present application. The illustrative appearances of the above-mentioned terms in various places in the specification are not necessarily referred to the same embodiment or example. Moreover, the particular features, structures, materials, or characteristics can be combined in any suitable manner in one or more embodiments or examples. Furthermore, the description herein of certain examples does not necessarily exclude these features, structures, materials or characteristics from being used in other examples. Neither can certain features, structures, materials or characteristics be excluded from the examples described herein in order to create non-claimed examples.

[0066] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be interpreted as limiting the present application, and ordinary skilled people in the art can make changes, modifications, replacements and variations to the above-described embodiments within the scope of the present application.

Claims

1. An elevator control cabinet, characterized in that, include: The box has an internal cavity for receiving contents; A first support is disposed within the receiving cavity to divide the receiving cavity into a heat dissipation cavity and a device cavity along a first direction. The first support is provided with a through hole, and the first direction is perpendicular to the thickness direction of the housing. The driving module includes a driving board and a module board. The driving board is disposed inside the device cavity. The module board includes a circuit board and an electrolytic capacitor and a rectifier-inverter module disposed on the circuit board. The circuit board is connected to the surface of the first bracket near the device cavity. The electrolytic capacitor and the rectifier-inverter module pass through the through hole and are located inside the heat dissipation cavity.

2. The elevator control cabinet according to claim 1, characterized in that, The module board also includes a pre-charging module disposed on the circuit board. The pre-charging module, the electrolytic capacitor, and the rectifier-inverter module are arranged at intervals along a second direction, and the second direction, the first direction, and the thickness direction of the housing are perpendicular to each other.

3. The elevator control cabinet according to claim 1 or 2, characterized in that, The housing is provided with a first air vent and a second air vent that communicate with the heat dissipation cavity, and the first air vent and the second air vent are arranged opposite to each other. The elevator control cabinet also includes a cooling fan and a radiator. The cooling fan is set and installed in the housing corresponding to the first air vent and / or the second air vent. The radiator is connected to the side surface of the first bracket near the heat dissipation cavity. The heat dissipation surface of the radiator is in contact with the rectifier-inverter module.

4. The elevator control cabinet according to claim 3, characterized in that, The first support includes a first sub-plate and a second sub-plate connected to each other. The thickness direction of the first sub-plate is parallel to the first direction, and the second sub-plate is set at an angle to the first sub-plate. The first sub-board, the second sub-board, and the housing together form the heat dissipation cavity. The first sub-board has the through hole, and the heat sink and the circuit board are mounted on the first sub-board.

5. The elevator control cabinet according to claim 1, characterized in that, The enclosure includes a bottom plate; The elevator control cabinet also includes a power module electrically connected to the drive module. The power module includes a power board disposed in the device cavity. Both the power board and the drive board are connected to the base plate and are arranged at intervals along the first direction.

6. The elevator control cabinet according to claim 5, characterized in that, The elevator control cabinet also includes a second bracket and a control module disposed within the device cavity. The control module is electrically connected to the drive module and includes a main control board and a UCMP board. The second bracket is connected to the side surface of the power board and / or the drive board opposite to the base plate. The main control board and the UCMP board are both connected to the side surface of the second bracket opposite to the power board and are arranged at intervals along the first direction.

7. The elevator control cabinet according to claim 6, characterized in that, The orthographic projection of the second bracket on the base plate does not overlap with the orthographic projection of the module plate on the base plate.

8. The elevator control cabinet according to claim 6, characterized in that, The thickness of the elevator control cabinet shall not exceed 15cm.

9. The elevator control cabinet according to claim 6, characterized in that, The elevator control cabinet also includes a first insulating component and a second insulating component. The first insulating component is disposed between the drive plate and the base plate, and the second insulating component is disposed between the main control board and the second bracket.

10. The elevator control cabinet according to claim 9, characterized in that, The elevator control cabinet also includes a third insulating component connected to the edge of the second insulating component near the module plate. The third insulating component has a receiving groove recessed on the side opposite to the second support, and part of the module plate is located in the receiving groove.

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