CN211058980U

CN211058980U - Electric control device of air compressor

Info

Publication number: CN211058980U
Application number: CN201921639700.XU
Authority: CN
Inventors: 滕建新
Original assignee: Shenzhen Invt Electric Co Ltd
Current assignee: Shenzhen Invt Electric Co Ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-21
Anticipated expiration: 2029-09-27

Abstract

The utility model provides an air compressor machine electrically controlled device. The device comprises a case, a control panel, a single variable frequency drive board, a rectification module, a single tube module and a capacitor assembly. The control panel, the single variable frequency drive plate and the capacitor assembly are arranged in the case. The rectification module and the single tube module are distributed on one side of the single frequency conversion driving board and connected with the single frequency conversion driving board. The rectifying module is connected with the capacitor assembly and charges the capacitor assembly. And the single variable frequency drive plate is provided with a host connecting module used for connecting a host of the air compressor and a fan connecting module used for connecting a fan of the air compressor. The electric energy input end of the host connecting module and the electric energy input end of the fan connecting module are respectively connected with the electric energy output end of the capacitor assembly. The utility model provides an air compressor machine electrically controlled device occupation space is little to very high integrated level has.

Description

Electric control device of air compressor

Technical Field

The utility model belongs to the technical field of it is electric, more specifically say, relate to an air compressor machine electrically controlled device.

Background

The air compressor is called an air compressor for short, is a core device of a pneumatic system, is widely applied to various industries, wherein the variable-frequency air compressor has the advantages of energy conservation, stable working parameters and the like, and is widely concerned and applied.

The variable frequency air compressor generally installs an electric control device of the air compressor and the air compressor in a split mode. The existing electric control device of the air compressor mainly comprises a host frequency converter, a fan frequency converter and an auxiliary power module which are independent from each other in structure and function, and the traditional IGBT single tube installation mode adopts screw installation, so that the integration level of the variable frequency air compressor is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air compressor machine electrically controlled device to solve the poor technical problem of frequency conversion air compressor machine's that exists among the prior art integration degree.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an air compressor machine electrically controlled device, includes quick-witted case, control panel, single frequency conversion drive plate, rectifier module, single tube module and capacitor assembly, the control panel single frequency conversion drive plate and capacitor assembly locates quick-witted incasement, rectifier module with the single tube module distribute in one side of single frequency conversion drive plate and with single frequency conversion drive plate connects, rectifier module with capacitor assembly connects, and to capacitor assembly charges, be equipped with the host computer connecting module who is used for connecting the host computer of air compressor machine and be used for connecting the fan connecting module of the fan of air compressor machine on the single frequency conversion drive plate, host computer connecting module's electric energy input with fan connecting module's electric energy input respectively with capacitor assembly's electric energy output is connected.

Furthermore, the single tube module comprises an IGBT single tube, an insulating film and a substrate, the IGBT single tube is inserted on the single-frequency-conversion drive plate, the insulating film is arranged between the IGBT single tube and the substrate, and the IGBT single tube, the insulating film and the substrate are pressed into a whole.

Further, the insulating film is a high-viscosity heat conduction insulating film, and the substrate is an aluminum heat dissipation substrate.

Furthermore, the case comprises a front cover, a middle shell, a rear cover and a wire passing plate for external cables to pass through, the middle shell is fixedly connected with the front cover, the rear shell is fixedly connected with the middle shell, the rear cover is fixedly connected with the rear shell, the wire passing plate is arranged at the bottom side of the middle shell, and the control panel, the single frequency conversion drive board, the single tube module and the rectification module are arranged in the middle shell.

Furthermore, a partition plate is arranged inside the middle shell, the control board is distributed on one side of the partition plate, and the single variable frequency drive board, the single tube module and the rectification module are distributed on the other side of the partition plate.

Further, the front cover and the middle shell and the rear shell and the middle shell are connected through screws.

Furthermore, a transformer is arranged in the accommodating cavity and fixed on the rear cover plate, one end of the transformer is electrically connected with the single variable frequency drive plate, and the other end of the transformer is electrically connected with the control board.

Further, the air compressor machine electrically controlled device is still including locating the radiator unit in the holding intracavity, radiator unit includes fixed mounting in last heat dissipation device of back shroud, joint in the fan bracket and the fan of vent, the fan is located the top of backshell and through the fan bracket compresses tightly fixedly.

Further, be equipped with the mounting hole on the backshell, through the mounting hole is right the air compressor machine carries out the hanging installation, perhaps the mesochite with be equipped with flange bracket between the backshell, through flange bracket is right the frequency conversion air compressor machine carries out flange mounting.

The utility model provides a single frequency conversion air compressor machine's beneficial effect lies in: the control panel, the single frequency conversion drive plate, the rectifier module, the single tube module and the capacitor assembly are arranged in the case, the rectifier module and the single tube module are distributed on one side of the single frequency conversion drive plate and are connected with the single frequency conversion drive plate, the host frequency conversion function, the fan power frequency control function and the auxiliary power supply function are integrated in the case, and the integration level of the frequency conversion air compressor is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is an explosion structure diagram of an electric control device of an air compressor provided in an embodiment of the present invention;

fig. 2 is a schematic view of an overall structure of a single tube module according to an embodiment of the present invention;

fig. 3 is an exploded schematic view of a single tube module according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a chassis according to an embodiment of the present invention;

fig. 5 is a schematic view of an overall structure of an electric control device of an air compressor according to an embodiment of the present invention;

fig. 6 is a three-view diagram of an electric control device of an air compressor provided in an embodiment of the present invention;

fig. 7 is the embodiment of the utility model provides an air compressor machine electrically controlled device's wire assembly schematic diagram.

Wherein, in the figures, the respective reference numerals:

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1, the electric control device for an air compressor according to the present invention will now be described. The air compressor electric control device 1 comprises a case 10, a control panel 20, a single variable frequency drive board 30, a rectifier module 31, a single tube module 32 and a capacitor assembly 40. The control board 20, the single variable frequency driving board 30 and the capacitor assembly 40 are disposed in the case 10. The rectifier module 31 and the single tube module 32 are distributed on one side of the single frequency conversion driving board 30 and connected with the single frequency conversion driving board 30. The rectifying module 31 is connected to the capacitor assembly 40 and charges the capacitor assembly 40. The single frequency conversion driving board 30 is provided with a host connection module for connecting a host of the air compressor and a fan connection module (not shown) for connecting a fan of the air compressor. The power input end of the host connection module (not shown) and the power input end of the fan connection module (not shown) are respectively connected with the power output end of the capacitor assembly 40.

Compared with the prior art, the electric control device for the air compressor provided by the utility model arranges the control panel 20, the single frequency conversion drive board 30, the rectifier module, the single tube module 32 and the capacitor assembly 40 in the case 10; and the rectifying module 31 and the single tube module 32 are distributed on one side of the single frequency conversion driving board 30 and connected with the single frequency conversion driving board 30. The frequency conversion function of the host, the frequency conversion function of the fan and the function of the auxiliary power supply are integrated in the case 10, and the integration level of the frequency conversion air compressor is improved.

Referring to fig. 1 to 3 together, as a specific embodiment of the electric control device for an air compressor according to the present invention, the single tube module 32 includes an IGBT single tube 321, an insulating film 322, and a substrate 323.

The IGBT single tube 321 is inserted on the single frequency conversion drive board 30; the insulating film 322 is provided between the IGBT single tube 321 and the substrate 323; the IGBT single tube 321, the insulating film 322, and the substrate 323 are integrally press-fitted. Specifically, the conductive terminals in the IGBT single tube 321 are plugged to the rear side of the circuit board of the single frequency conversion driving board 30, so that the single tube module 32 is electrically connected to the single frequency conversion driving board 30. By providing the substrate 323 and providing the insulating film 322 between the IGBT monotube 321 and the substrate 323, wherein the substrate 323 can support and bear the IGBT monotube 321, so that the IGBT monotube 321, the insulating film 322 and the substrate 323 can be pressed together. The arrangement of the insulating film 322 can prevent the IGBT single tube 321 from being coated and regulated and sleeved with silica gel particles, so that the insulated treatment of the IGBT is more convenient and practical. The IGBT single tube 321, the insulating film 322, and the substrate 323 are pressed together to have the following functions: the integration level of the variable frequency air compressor is further improved, and the occupied space is small.

Referring to fig. 1 to 3, as an embodiment of the electric control device for an air compressor of the present invention, the insulating film 322 is a viscous heat-conducting insulating film 322, and the substrate 323 is an aluminum heat-dissipating substrate 323. The adhesive heat-conducting insulating film 322 has strong adhesiveness and heat conductivity, the IGBT single tube 321 can be adhered to the substrate 323 by using the high adhesiveness of the adhesive heat-conducting insulating film 322, the single tube module 32 can be cured at high temperature to form an integral module by using the heat conductivity of the adhesive heat-conducting insulating film 322, and then the integral module is assembled in the air compressor electric control device 1. So set up, effectively solved the following problem that IGBT single tube 321 tradition mounting means exists: (1) the additional mechanical fastening of the IGBT single tube 321 can be completely eliminated, the occupied space is minimum, and the high-integration layout of the variable frequency air compressor is facilitated; (2) the cost of mechanical fasteners is eliminated, the radiator 61 and the high-viscosity heat-conducting insulating film 322 do not need to be drilled, and the comprehensive cost is lower; (3) the problems of damage of a series of insulating films 322, damage of the IGBT single tube 321 and insufficient insulating distance caused by screw installation are avoided, and the reliability of a product and the flexibility of design are improved; (4) the actions of coating silicon grease on the IGBT single tube 321, sleeving insulating particles and locking screws are eliminated, the assembly process is simplified, the assembly efficiency is further improved, and the assembly cost is reduced; (5) compared with the common heat-conducting insulating film 322, the gap filling is more compact, and the interface contact thermal resistance is lower.

Referring to fig. 4, as a specific embodiment of the electric control device for an air compressor according to the present invention, the casing 10 includes a front cover 11, a middle shell 12, a rear shell 13, a rear cover 14, and a wire passing plate 15 for passing an external cable. The middle shell 12 is fixedly connected with the front cover 11; the rear shell 13 is fixedly connected with the middle shell 12; the rear cover 14 is fixedly connected with the rear case 13, and the wire passing plate 15 is disposed at the bottom side of the middle case 12. The control board 20, the single frequency conversion driving board 30, the single tube module 32 and the rectification module 31 are arranged inside the middle shell 12. Specifically, the front cover 11 includes an upper front cover 112 and a lower front cover 113; the upper front cover 112 is flush with the lower front cover 113; the rear cover 14 is a sheet metal rear cover plate. By dividing the case 10 into the front cover 11, the middle shell 12, the rear shell 13, the rear cover 14 and the wire passing plate 15, the internal structure of the air compressor electric control device 1 is more stable, and the control plate 20, the single frequency conversion drive plate 30, the rectifier module 31, the single tube module 32 and the capacitor assembly 40 are conveniently arranged in the case 10.

Referring to fig. 1 and 4, as a specific embodiment of the electric control device for an air compressor of the present invention, a partition 121 is disposed inside the middle casing 12. The control plate 20 is distributed on one side of the partition plate 121; the single frequency conversion driving board 30, the single tube module 32 and the rectification module 31 are distributed on the other side of the partition board 121. This mesochite 12 is inside to set up baffle 121 and can divide into two parts around with the holding chamber 16 of mesochite 12 to distribute control panel 20 in the partly of holding chamber 16, distribute single frequency conversion drive plate 30, single tube module 32 and rectifier module 31 in the opposite side of holding chamber 16, the inner structure is more clear.

Referring to fig. 1, as a specific embodiment of the electric control device for an air compressor according to the present invention, the front cover 11 is connected to the middle casing 12, and the rear casing 13 is connected to the middle casing 12 by screws. The screw connection has the advantages of simple and reliable connection mode.

Please refer to fig. 1, as a specific embodiment of the electric control device for an air compressor according to the present invention, the rear housing 13 and the rear cover 14 form an accommodating chamber 16, the side wall of the rear housing 13 is provided with the vent 132, the rear housing 13 is provided with a support of the rear housing 13, the support of the rear housing 13 is provided with a through hole 1311, the capacitor assembly 40 is disposed in the accommodating chamber 16, the accommodating chamber 16 formed by the rear housing 13 and the rear cover 14 can accommodate the capacitor assembly 40, the transformer 50 and the heat sink 61, so that the capacitor assembly 40, the transformer 50 and the heat sink 61 can be installed with a high integration level.

Referring to fig. 1, as a specific implementation manner of the electric control device for an air compressor according to the present invention, the capacitor assembly 40 includes a capacitor plate 41 and a capacitor device 42, the capacitor device 42 is electrically connected to the capacitor plate 41, wherein the capacitor device 42 is disposed through the through hole 1311, and the capacitor plate 41 is fixedly connected to the single variable frequency driving plate 30 through a screw. Through holes 1311 are formed in the bracket of the rear case 13, and the capacitor device 42 in the capacitor module 40 is inserted into the through holes 1311 by means of plug-in connection, so that the structure is simple and stable.

Referring to fig. 1, as a specific embodiment of the electric control device for an air compressor according to the present invention, a transformer 50 is further disposed in the accommodating cavity 16. The transformer 50 is fixed on the rear cover 14 plate, one end of the transformer 50 is electrically connected with the single variable frequency driving plate 30, and the other end is electrically connected with the control plate 20. The transformer 50 is disposed in the accommodating cavity 16 and the transformer 50 is fixedly mounted on the rear cover 14 plate, so that the structure in the accommodating cavity is more compact.

Referring to fig. 1, as a specific implementation manner of the electric control device for an air compressor according to the present invention, the electric control device 1 for an air compressor further includes a heat dissipation unit 60 disposed in the accommodating cavity 16. The heat dissipating unit 60 includes a heat dissipating device 61 fixedly mounted on the rear cover 14, a fan bracket 62 fastened to the ventilation opening 132, and a fan disposed on the top of the rear case and pressed and fixed by the fan bracket 62. The heat sink 61 is mounted on one side of the capacitor plate 41 and is disposed opposite to the air vent 132. The vent 132 has a slot, and a positioning post is disposed on the slot. The side of the fan bracket 62 facing the slot is provided with a positioning hole, and the fan bracket 62 can be installed in the ventilation opening 132 through the positioning between the positioning hole and the positioning column. The connecting mode of the positioning holes and the positioning columns is adopted, and the device has the advantages of simple structure and convenience in installation. The outer portion of the fan bracket 62 is further provided with a baffle 63, the baffle 63 is clamped in the clamping groove at the ventilation opening 132 to protect the fan bracket 62, and the baffle 63 is flush with the side wall of the rear shell 13.

Referring to fig. 1 and 5, as a specific embodiment of the electric control device for an air compressor provided by the present invention, a mounting hole (not shown) is formed on the rear shell 13, and the electric control device for an air compressor is mounted on a wall through the mounting hole (not shown), or a flange bracket 70 is disposed between the middle shell 12 and the rear shell 13, and the electric control device for an air compressor is mounted on a flange through the flange bracket 70. So set up, the operation personnel can select two kinds of mounting means to install this air compressor machine electrically controlled device 1, and is very convenient.

Referring to fig. 6, as a specific implementation manner of the electric control device for an air compressor according to the present invention, the electric control device 1 for an air compressor further includes a keyboard 80. The keypad 80 is provided on the outer surface of the upper front cover 112 and is electrically connected to the control board 20. The keyboard 80 can generate an electric signal for controlling the air compressor electric control device 1, so that an operator can operate the air compressor electric control device 1 conveniently.

Referring to fig. 7, as a specific implementation manner of the electric control device for an air compressor according to the present invention, the electric control device 1 for an air compressor has a wiring assembly 90. Fig. 7 is a schematic diagram of the front wiring of the electric control device 1 of the air compressor after the lower front cover 113 of the electric control device 1 of the air compressor is opened. The wiring assembly 90 has a control cable outlet 91 and a power cable outlet 92. The control cable outlet 91 is connected to a control cable 93, a blower cable 94, a main machine cable 95, and an ac power supply cable 96. The cable can be completed only by wiring inside the air compressor electric control device 1 without combination and butt joint of a plurality of products, so that wiring and wiring are more reasonable.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an air compressor machine electrically controlled device, its characterized in that, includes quick-witted case, control panel, single frequency conversion drive plate, rectifier module, single tube module and capacitor assembly, the control panel single frequency conversion drive plate and capacitor assembly locates quick-witted incasement, rectifier module with the single tube module distribute in one side of single frequency conversion drive plate and with single frequency conversion drive plate connects, rectifier module with capacitor assembly connects, and to capacitor assembly charges, be equipped with the host computer linking module who is used for connecting the host computer of air compressor machine and be used for connecting the fan of air compressor machine on the single frequency conversion drive plate and connect the fan linking module, host computer linking module's electric energy input with fan linking module's electric energy input respectively with capacitor assembly's electric energy output is connected.

2. The electric control device for the air compressor according to claim 1, wherein the single tube module comprises an IGBT single tube, an insulating film and a substrate, the IGBT single tube is inserted into the single variable frequency driving board, the insulating film is disposed between the IGBT single tube and the substrate, and the IGBT single tube, the insulating film and the substrate are pressed together.

3. The electric control device for air compressor according to claim 2, wherein said insulating film is a viscous heat-conductive insulating film, and said substrate is an aluminum heat-dissipating substrate.

4. The electric control device for the air compressor according to claim 1, wherein the casing comprises a front cover, a middle shell, a rear cover and a wire passing plate for external cables to pass through, the middle shell is fixedly connected with the front cover, the rear shell is fixedly connected with the middle shell, the rear cover is fixedly connected with the rear shell, the wire passing plate is arranged at the bottom side of the middle shell, and the control panel, the single frequency conversion drive board, the single tube module and the rectification module are arranged inside the middle shell.

5. The electric control device for the air compressor according to claim 4, wherein a partition is provided inside the middle casing, the control board is located on one side of the partition, and the single variable frequency driving board, the single pipe module and the rectification module are located on the other side of the partition.

6. The electric control device for the air compressor according to claim 4, wherein the rear housing and the rear cover form an accommodating cavity, the side wall of the rear housing is provided with a vent, the rear housing is provided with a rear housing bracket, the rear housing bracket is provided with a through hole, and the capacitor assembly is arranged in the accommodating cavity.

7. The electric control device for the air compressor according to claim 6, wherein the capacitor assembly comprises a capacitor plate and a capacitor device, the capacitor device is electrically connected with the capacitor plate, the capacitor device is arranged in the through hole in a penetrating manner, and the capacitor plate is fixedly connected with the single variable frequency driving plate through a screw.

8. The electric control device for the air compressor according to claim 6, wherein a transformer is further disposed in the accommodating chamber, the transformer is fixed on the rear cover, one end of the transformer is electrically connected to the single variable frequency driving board, and the other end of the transformer is electrically connected to the control board.

9. The electric control device for the air compressor according to claim 6, wherein a heat dissipation unit is further disposed in the accommodating chamber, the heat dissipation unit includes a heat dissipation device, a fan bracket and a fan, the heat dissipation device is fixedly mounted on the rear cover, the fan bracket and the fan are both clamped to the ventilation opening, and the fan is disposed at the top of the rear housing and is pressed and fixed by the fan bracket.

10. The electric control device for the air compressor according to claim 9, wherein the rear housing is provided with a mounting hole for mounting the electric control device for the air compressor; and/or a flange bracket used for mounting the electric control device of the air compressor is arranged between the middle shell and the rear shell.