CN211451394U - Wind heating device and wind heating system - Google Patents
Wind heating device and wind heating system Download PDFInfo
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- CN211451394U CN211451394U CN202020059647.2U CN202020059647U CN211451394U CN 211451394 U CN211451394 U CN 211451394U CN 202020059647 U CN202020059647 U CN 202020059647U CN 211451394 U CN211451394 U CN 211451394U
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Abstract
The utility model provides a wind heating device and a wind heating system, wherein a first electrode plate is connected with the anode of a chip; one end of the first electrode plate is led out from the aluminum pipe and connected with a first confluence plate, and the first confluence plate is connected with one end of the first connecting end; the other end of the first connecting end is connected with the anode output end of the control panel; the second electrode plate is connected with the negative electrode of the chip; one end of the second electrode plate is led out from the aluminum pipe and connected with a second confluence plate, and the second confluence plate is connected with one end of the second connecting end; the other end of the second connecting end is connected with the negative electrode output end of the control panel; the first electrode plate and the second electrode plate are respectively connected with the positive electrode and the negative electrode of the chips in the aluminum tubes, the first electrode plates in the aluminum tubes are connected together by the first confluence pieces, the second electrode plates in the aluminum tubes are connected together by the second confluence pieces, and when control signals of the control panel are received, the chips in the aluminum tubes can be simultaneously heated, so that the heating consistency of the control chips and the heating temperature uniformity are improved.
Description
Technical Field
The utility model belongs to the technical field of the heater technique and specifically relates to a wind heating device and wind heating system are related to.
Background
As a Positive Temperature Coefficient semiconductor material, a PTC (Positive Temperature Coefficient) ceramic chip is generally used in a PTC heater for generating heat, and the PTC heater generally includes a plurality of aluminum tubes, each of which includes a plurality of PTC ceramic chips.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wind heating device and wind heating system to improve the uniformity of control chip heating and heating temperature's homogeneity.
The utility model provides a pair of wind heating device, include: the aluminum pipe connector comprises a control board, a plurality of aluminum pipes, a first connecting end, a first confluence piece, a second connecting end and a second confluence piece; the aluminum tube comprises a plurality of chips, a first electrode plate and a second electrode plate; the first electrode plate is connected with the anode of the chip; one end of the first electrode plate is led out from the aluminum pipe and connected with the first confluence plate, and the first confluence plate is connected with one end of the first connecting end; the other end of the first connecting end is connected with the positive electrode output end of the control plate; the second electrode plate is connected with the negative electrode of the chip; one end of the second electrode plate is led out from the aluminum pipe and connected with the second confluence sheet, and the second confluence sheet is connected with one end of the second connecting end; the other end of the second connecting end is connected with the negative electrode output end of the control panel; the control panel is used for outputting a positive control signal and a negative control signal; the first connection end is used for transmitting the positive control signal to the chip through the first bus bar and the first electrode plates; the second connecting end is used for transmitting the negative control signal to the chip through the second bus bar and the second electrode plates.
Further, the aluminum tube also comprises a plurality of isolating chips inside; the isolation chips are arranged at the head ends and the tail ends of the plurality of chips; the isolation chip is used for isolating the plurality of chips from the outside of the aluminum tube.
Furthermore, the number of the second electrode plates is multiple; the number of the second connecting ends and the number of the second confluence pieces are matched with the number of the second electrode pieces; the interface of each second electrode plate is matched with the interface of the second confluence plate corresponding to the second electrode plate; the isolation chips are arranged among the chips corresponding to the second electrode plates so as to isolate the chips corresponding to the second electrode plates; and an insulating heat-conducting layer is arranged between the first electrode plate and the corresponding second electrode plate and between the second electrode plate and the corresponding aluminum pipe so as to insulate the first electrode plate and the corresponding second electrode plate and dissipate heat of the first electrode plate and the second electrode plate through the aluminum pipe.
Further, the device further comprises a plurality of first electrode tips and a plurality of second electrode tips; one end of the first electrode tip is correspondingly connected with one end of the first electrode plate; the other end of the first electrode tip is connected with the first bus bar; one end of the second electrode tip is correspondingly connected with one end of the second electrode plate, and the other end of the second electrode tip is connected with the second bus bar; the first electrode tip is used for transmitting the positive control signal received by the first bus bar to the corresponding first electrode piece; the second electrode head is used for transmitting the negative control signal received by the second bus bar to the corresponding second electrode sheet.
Further, the device also comprises a plurality of heat dissipation strips which are distributed at intervals with the plurality of aluminum tubes; the heat dissipation strips are connected with the adjacent aluminum pipes; the heat dissipation strip is used for guiding out heat generated by the plurality of aluminum pipes.
Further, the device also comprises a temperature sensor; the temperature sensor is arranged on the heat dissipation strip on the outer side; the number of the temperature sensors is matched with that of the second electrode plates in a single aluminum tube; the temperature sensor is used for collecting the temperature of the corresponding heating area and feeding the temperature back to the control board; the control board is used for adjusting the anode control signal and the cathode control signal according to the temperature.
Further, the apparatus further comprises a fuse; the fuse is arranged on the heat dissipation strip on the side opposite to the temperature sensor; one end of the fuse is connected with the positive output end of the control panel, and the other end of the fuse is connected with the first connecting end.
Further, the wind heating device further comprises a power module and a shell; the shell comprises an aluminum block and a shell body; the power modules are arranged on the corresponding aluminum blocks; a grounding terminal is arranged outside the aluminum block; the shell is provided with a plurality of mounting columns, wherein the mounting columns comprise at least one mounting column connected with the aluminum block; the number of the power modules and the number of the aluminum blocks are both matched with the number of the second electrode plates in a single aluminum tube; the shell is used for mounting the control board and the power module; the power module is used for providing matched power for the plurality of chips; the aluminum block is used for providing heat dissipation for the power module; the mounting posts are used for fixing the control panel; the ground terminal is used for grounding the control board through a lead.
Further, the device also comprises a power module pressing plate; the power module pressing plate is provided with a square hole and a first mounting hole; the power module pressing plate is internally provided with columns matched with the power modules in number; the shell is also provided with a square column and a second mounting hole; the square hole is matched with the square column to position the power module pressing plate; the cylinder is used for positioning the power module; and a screw is arranged between the first mounting hole and the second mounting hole so as to fix the power module pressure plate and the shell.
The utility model provides a wind heating system, which comprises a pouring sealant and any one of the wind heating devices; the pouring sealant is used for sealing a fuse and exposed metal in the wind heating device, wherein the exposed metal comprises a first connecting end, a first bus sheet, a second connecting end, a second bus sheet, a first electrode tip and a second electrode tip.
The utility model provides a wind heating device and a wind heating system, the device comprises a control panel, a plurality of aluminum pipes, a first connecting end, a first confluence piece, a second connecting end and a second confluence piece; the aluminum tube comprises a plurality of chips, a first electrode plate and a second electrode plate; the first electrode plate is connected with the anode of the chip; one end of the first electrode plate is led out from the aluminum pipe and connected with a first confluence plate, and the first confluence plate is connected with one end of the first connecting end; the other end of the first connecting end is connected with the anode output end of the control panel; the second electrode plate is connected with the negative electrode of the chip; one end of the second electrode plate is led out from the aluminum pipe and connected with a second confluence plate, and the second confluence plate is connected with one end of the second connecting end; the other end of the second connecting end is connected with the negative electrode output end of the control panel; the first electrode plate and the second electrode plate are respectively connected with the positive electrode and the negative electrode of the chips in the aluminum tubes, the first electrode plates in the aluminum tubes are connected together by the first confluence pieces, the second electrode plates in the aluminum tubes are connected together by the second confluence pieces, and when control signals of the control panel are received, the chips in the aluminum tubes can be simultaneously heated, so that the heating consistency of the control chips and the heating temperature uniformity are improved.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a wind heating device according to an embodiment of the present invention;
fig. 2 is a schematic structural view of the inside of an aluminum pipe according to an embodiment of the present invention;
fig. 3 is a schematic structural view of another wind heating device according to an embodiment of the present invention;
fig. 4 is a schematic structural view of another wind heating device according to an embodiment of the present invention;
fig. 5 is a schematic structural view of another wind heating device according to an embodiment of the present invention.
Icon: a 10-aluminum tube; 11-heat dissipation strips; 12-a ceramic base; 13-second electrode head B; 14-second bus bar B; 20-chip; 21-a first electrode sheet; 22A-a second electrode sheet A; 22B-a second electrode sheet B; 23-isolating the chip; 30-the second electrode head a; 31-a first bus bar; 32-a first connection end; 33-second manifold piece a; 40-IGBT power module; 41-a housing; 42-IGBT pressure plate; 43-IGBT sensors; 44-aluminum block.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The PTC ceramic chip is an ideal material of an automobile heating device as a positive temperature coefficient semiconductor material, the consistency of the control of the traditional PTC heater on the PTC ceramic chips in a plurality of aluminum tubes is poor, the problem of uneven heating temperature of the PTC ceramic chips is easy to occur, so that the heating efficiency is not high, the heating effect is poor, and safety accidents are easy to happen.
Based on this, the embodiment of the utility model provides a wind heating device and wind heating system, this technique can be applied to in various wind heating systems.
Referring to a schematic structural view of a wind heating apparatus shown in fig. 1, a schematic structural view of the inside of an aluminum pipe shown in fig. 2, and a schematic structural view of another wind heating apparatus shown in fig. 3, the apparatus includes: the aluminum pipe comprises a control board, a plurality of aluminum pipes 10, a first connecting end 32, a first confluence sheet 31, a second connecting end and a second confluence sheet; wherein, the aluminum tube 10 internally comprises a plurality of chips 20, a first electrode sheet 21 and a second electrode sheet; the first electrode plate 21 is connected with the positive electrode of the chip 20; one end of the first electrode sheet 21 is led out from the aluminum pipe 10 and connected with a first confluence sheet 31, and the first confluence sheet 31 is connected with one end of a first connection end 32; the other end of the first connection end 32 is connected with the positive output end of the control board; the second electrode plate is connected with the negative electrode of the chip 20; one end of the second electrode plate is led out from the aluminum pipe 10 and connected with a second confluence plate, and the second confluence plate is connected with one end of a second connecting end; the other end of the second connecting end is connected with the negative electrode output end of the control panel. The control panel is used for outputting a positive control signal and a negative control signal; the first connection terminal 32 is used for transmitting the positive control signal to the chip 20 through the first bus bar 31 and the plurality of first electrode pads 21; the second connection terminal is used to transmit the negative control signal to the chip 20 through the second bus bar and the plurality of second electrode tabs.
In practical implementation, the first connection end 32 and the second connection end may each include an insulated terminal and a wire; the aluminum pipe 10 described above may be understood as a heating aluminum pipe; the number of the aluminum pipes 10 can also be set according to actual requirements; the chip 20 may be a PTC ceramic chip, the number of the PTC ceramic chips in each aluminum tube 10 may be set according to actual requirements, and usually one surface of the PTC ceramic chip is a positive electrode, and the other surface is a negative electrode; in each aluminum tube 10, the positive electrode of the PTC ceramic chip is connected through a first electrode plate 21, each first electrode plate 21 usually extends out of an interface, the extended interface can be connected with a first bus bar 31, that is, the extended interfaces of the first electrode plates 21 in the aluminum tubes 10 are connected together through the first bus bar 31, and the first bus bar 31 is connected to the positive electrode output end of the control panel through a first connecting end 32; the negative electrode of the PTC ceramic chip is connected through the second electrode plate, an interface usually extends out of each second electrode plate, the extending interface can be connected with the second bus bar, namely, the interfaces extending out of the second electrode plates in the aluminum pipes 10 are connected together through the second bus bar, and the second bus bar is connected to the negative electrode output end of the control panel through the second connecting end.
After the control board outputs the positive control signal and the negative control signal, the first connection end 32 transmits the positive control signal to the plurality of chips 20 in each aluminum pipe 10 through the first bus bar 31 and the plurality of first electrode pieces 21; the positive control signal may be supplied to the first electrode tabs 21 in each aluminum pipe 10 at the same time; the second connection end transmits the negative control signal to the chip 20 through the second bus bar and the plurality of second electrode pieces, and the negative control signal can be provided to the second electrode pieces in each aluminum tube 10 at the same time; thereby collectively heating the respective aluminum tubes 10.
The utility model provides a wind heating device and a wind heating system, the device comprises a control panel, a plurality of aluminum pipes, a first connecting end, a first confluence piece, a second connecting end and a second confluence piece; the aluminum tube comprises a plurality of chips, a first electrode plate and a second electrode plate; the first electrode plate is connected with the anode of the chip; one end of the first electrode plate is led out from the aluminum pipe and connected with a first confluence plate, and the first confluence plate is connected with one end of the first connecting end; the other end of the first connecting end is connected with the anode output end of the control panel; the second electrode plate is connected with the negative electrode of the chip; one end of the second electrode plate is led out from the aluminum pipe and connected with a second confluence plate, and the second confluence plate is connected with one end of the second connecting end; the other end of the second connecting end is connected with the negative electrode output end of the control panel; the first electrode plate and the second electrode plate are respectively connected with the positive electrode and the negative electrode of the chips in the aluminum tubes, the first electrode plates in the aluminum tubes are connected together by the first confluence pieces, the second electrode plates in the aluminum tubes are connected together by the second confluence pieces, and when control signals of the control panel are received, the chips in the aluminum tubes can be simultaneously heated, so that the heating consistency of the control chips and the heating temperature uniformity are improved.
Further, as shown in fig. 2, the aluminum tube further includes a plurality of spacer chips 23 inside; the isolated chips 23 are disposed at the head and tail ends of the plurality of chips 20; the isolation chip 23 serves to isolate the plurality of chips 20 from the outside of the aluminum tube.
In practical implementation, the isolation chip 23 may also be a dummy wafer, which may be a common silicon wafer without electrical performance; in each aluminum tube, an isolation chip 23 is usually disposed at the head end and the tail end of each of the plurality of chips 20, so as to isolate the plurality of chips 20 from the outside of the aluminum tube, thereby ensuring the safety of the plurality of chips 20 in the aluminum tube when the aluminum tube is heated by electricity.
Furthermore, the number of the second electrode plates is multiple; the number of the second connecting ends and the number of the second confluence pieces are both matched with the number of the second electrode pieces; the interface of each second electrode plate is matched with the interface of the second confluence plate corresponding to the second electrode plate; the isolation chips 23 are arranged between the chips 20 corresponding to the plurality of second electrode pads to isolate the chips 20 corresponding to the plurality of second electrode pads; and insulating heat-conducting layers are arranged between the first electrode plate and the corresponding aluminum tubes, so that the first electrode plate and the second electrode plate are insulated from the corresponding aluminum tubes, and heat of the first electrode plate and the second electrode plate is dissipated through the aluminum tubes.
In practical implementation, in order to flexibly control heating of the plurality of chips 20 in the aluminum tube, a plurality of second electrode sheets may be provided, for example, as shown in fig. 2, two second electrode sheets, that is, a second electrode sheet a and a second electrode sheet B, may be provided, which correspond to 22A and 22B in fig. 2, respectively, and in order to be respectively connected to the two second electrode sheets in a matching manner, the number of the second connection end and the number of the second bus bar generally need to be respectively set to two, that is, a second bus bar a33 and a second connection end a which are matched to the second electrode sheet a, and a second bus bar B14 and a second connection end B which are matched to the second electrode sheet B; in order to conveniently receive the negative control signals of the control panel, when the number of the second connecting ends is multiple, the control panel is usually reserved with output ends of the negative control signals, the number of the output ends of the negative control signals is matched with the number of the second connecting ends; for example, if the number of the second connection terminals is two, i.e., the second connection terminal a and the second connection terminal B; the number of the output terminals of the negative control signal on the control board is usually set to two so as to be respectively connected with the second connection terminal a and the second connection terminal B correspondingly.
As shown in fig. 2, the positions or shapes of the interfaces on the second electrode sheets a and B may be different, considering that the interface of each second electrode sheet needs to match the interface of the second bus bar corresponding to the second electrode sheet; the second electrode sheet A22A and the second electrode sheet B22B are respectively connected with chips 20 at corresponding parts in the aluminum tube, taking 8 PTC ceramic chips in each aluminum tube as an example, the first electrode sheet 21 covers the positive electrodes of the 8 PTC ceramic chips; the cathodes of the 8 PTC ceramic chips can be covered by the second electrode sheet a22A and the second electrode sheet B22B, respectively, the second electrode sheet a22A and the second electrode sheet B22B cover the 4 PTC ceramic chips, respectively, and the two parts are isolated by the isolation chip 23, that is, the upper surface and the lower surface of the isolation chip 23 are respectively provided with 4 PTC ceramic chips; in addition, the second electrode plate A22A is not in contact with the second electrode plate B22B, so that the upper half area and the lower half area of the whole core body are independently heated and controlled, and the control mode is more flexible; in practical implementation, the bonding surfaces of the first electrode sheet 21, the second electrode sheet a22A and the second electrode sheet B22B and the chip can be firmly connected through conductive adhesive; the insulating heat conduction layer can be a polyimide film or other insulating heat conduction materials, the polyimide film or other insulating heat conduction materials can be wrapped between the first electrode plate 21, the second electrode plate A22A, the second electrode plate B22B and an aluminum pipe, so that insulation between the first electrode plate 21, the second electrode plate A22A and the second electrode plate B22B and the corresponding aluminum pipe is achieved, heat of the first electrode plate 21, the second electrode plate A22A and the second electrode plate B22B in the aluminum pipe is dissipated through the aluminum pipe, and safety and heat conductivity of the wind heating device are guaranteed.
Within each aluminum tube, the first electrode sheet 21 can be led out from the upper port of the corresponding aluminum tube, and the second electrode sheet a22A and the second electrode sheet B22B can be led out from the upper port and the lower port of the corresponding aluminum tube, respectively, as shown in fig. 1, 2 and 3, taking the second electrode sheet a22A as an example of being led out from the upper port of the corresponding aluminum tube, the second electrode sheet B22B is led out from the lower port of the corresponding aluminum tube; correspondingly, the first connecting end 32, the first bus bar 31, and the second connecting end a and the second bus bar a33 corresponding to the second electrode sheet a22A led out from the upper end of the aluminum tube can be arranged at the upper end of the aluminum tube; a second connection end B and a second manifold piece B14 corresponding to the second electrode piece B22B led out from the lower end of the aluminum pipe may be provided at the lower end of the aluminum pipe.
Further, as shown in fig. 1 and 3; the device further comprises a plurality of first electrode heads and a plurality of second electrode heads; one end of the first electrode tip is correspondingly connected with one end of the first electrode sheet 21; the other end of the first electrode tip is connected to the first bus bar 31; one end of the second electrode tip is correspondingly connected with one end of the second electrode slice, and the other end of the second electrode tip is connected with the second bus bar; the first electrode head is used for transmitting the positive control signal received by the first bus bar 31 to the corresponding first electrode sheet 21; the second electrode head is used for transmitting the negative control signal received by the second bus bar to the corresponding second electrode slice.
In practical implementation, in order to facilitate connection, the interface portion of each aluminum tube, from which the first electrode tab 21 extends, may be connected to the first electrode tab first, and then connected to the corresponding first bus bar 31 through the first electrode tab, that is, the first electrode tabs are connected together through the first bus bar 31; the first electrode head is used for transmitting the positive control signal received by the first bus bar 31 to the corresponding first electrode sheet 21; the interface part extending out of the second electrode plate in each aluminum tube can be connected with the second electrode tip firstly and then connected to the corresponding second bus bar through the second electrode tip, namely, the second electrode tips are connected together through the second bus bar; for example, as shown in fig. 1, 2 and 3, taking as an example that the second electrode sheet in each aluminum tube includes a second electrode sheet a22A and a second electrode sheet B22B, the interface portion from which the second electrode sheet a22A extends is connected to the corresponding second electrode sheet a30, and is connected to the corresponding second confluence sheet a33 through the second electrode sheet a30, that is, the plurality of second electrode sheets a30 are connected together through the second confluence sheet a 33; transmitting the negative control signal received by the second bus bar a33 to the corresponding second electrode tab a22A through the second electrode tab a 30; the interface part from which the second electrode sheet B22B extends is connected with the corresponding second electrode tip B13 and is connected to the corresponding second confluence sheet B14 through the second electrode tip B13, i.e., the plurality of second electrode tips B13 are connected together through the second confluence sheet B14; the negative control signal received by the second bus bar B14 is transmitted to the corresponding second electrode tab B22B through the second electrode tab B13.
Further, as shown in fig. 1, the device further comprises a plurality of heat dissipation bars 11 spaced from the plurality of aluminum tubes; the heat dissipation strips 11 are connected with the adjacent aluminum tubes 10; the heat radiation bars 11 are used to conduct away heat generated by the plurality of aluminum tubes 10.
In practical implementation, the core body part of the wind heating device generally comprises a plurality of aluminum pipes 10 and a plurality of heat dissipation strips 11 which are distributed at intervals, and the connection between the adjacent aluminum pipes 10 and the heat dissipation strips 11 can be realized through connecting glue or other connecting modes; the number of the heat dissipation strips 11 is matched with the number of the aluminum tubes 10, and the heat dissipation strips 11 are usually arranged on the left side and the right side of the core, so that the number of the heat dissipation strips 11 can be one more than that of the aluminum tubes 10, for example, 9 aluminum tubes and 10 heat dissipation strips can be included; the heat generated by heating the plurality of chips 20 in the aluminum tube can be blown out by wind through the heat dissipation strips 11 to carry away the heat; the whole core body of the wind heating device can be clamped in the upper shell and the lower shell to avoid shaking.
Further, the device also comprises a temperature sensor; the temperature sensor is arranged on the heat dissipation strip 11 on the outer side; the number of the temperature sensors is matched with that of the second electrode plates in the single aluminum tube; the temperature sensor is used for collecting the temperature of the corresponding heating area and feeding the temperature back to the control board; the control board is used for adjusting the positive control signal and the negative control signal according to the temperature.
In general, a hole can be drilled in advance at a proper position of the heat dissipation strip 11 on the core side of the wind heating device, and the temperature sensor is riveted on the heat dissipation strip 11 with the hole through a rivet; in practical implementation, if the number of the second electrode plates in a single aluminum tube is multiple, and the number of the second electrode plates in a single aluminum tube is two for example, it can be known from the above that, by providing two electrode plates, the upper and lower half regions of the whole core can be individually heated and controlled, and in order to accurately detect the temperatures of the upper and lower half regions, two temperature sensors can be correspondingly provided to respectively collect the core temperatures of the upper and lower half regions. The temperature data collected by the temperature sensor is usually fed back to the control board, so that the control board adjusts the output positive control signal and negative control signal according to the temperature.
Further, the apparatus further comprises a fuse; the fuse is arranged on the heat dissipation strip 11 on the side opposite to the temperature sensor; one end of the fuse is connected with the positive output end of the control panel, and the other end of the fuse is connected with the first connecting end.
In order to protect the chip 20 from transient overcurrent or large current that may be generated due to a circuit board failure, a fuse is also generally provided for the wind heating device; the fuse can be arranged between the positive electrode output end of the control board and the corresponding first connecting end; in practical implementation, as shown in fig. 1, a ceramic base 12 may be mounted on the side of the heat dissipation bar 11 on the other side opposite to the temperature sensor, and the fuse may be disposed inside the ceramic base 12. For better robustness, the heat radiating strips 11 of both sides for mounting the temperature sensor and the fuse may be slightly thicker than the heat radiating strips 11 of the middle portion.
Further, a schematic structural diagram of another wind heating device shown in fig. 4 and a schematic structural diagram of another wind heating device shown in fig. 5; the wind heating device also comprises a power module and a shell; the housing includes an aluminum block 44 and a case 41; the power modules are mounted on corresponding aluminum blocks 44; the outside of the aluminum block 44 is provided with a ground terminal; the housing 41 is provided with a plurality of mounting posts, wherein the plurality of mounting posts includes at least one mounting post connected with the aluminum block 44; the number of the power modules and the number of the aluminum blocks 44 are both matched with the number of the second electrode plates in the single aluminum tube; the shell is used for mounting the control panel and the power module; the power module is used for providing matched power for the plurality of chips 20; the aluminum block 44 is used to provide heat dissipation for the power module; the mounting columns are used for fixing the control panel; the ground terminal is used for grounding the control board through a wire.
The power module can be an IGBT module or other power modules; the aluminum block 44 may be usually placed with a heat-conducting insulating sheet, and then the power module is mounted on the aluminum block 44 with the heat-conducting insulating sheet, so that the heat generated by the power module is dissipated through the aluminum block 44; the housing 41 may be an injection molded housing, the housing 41 may include a plurality of mounting posts, which may be threaded posts, for locking the control board, and the plurality of mounting posts may include a mounting post connected to the aluminum block 44, and the control board and the aluminum block 44 may be connected by screws; the aluminum block 44 may be externally provided with a ground terminal through which a wire is connected to ground the control board to prevent the components on the control board from being damaged by static electricity. In practical implementation, the number of the power modules and the number of the aluminum blocks are generally matched with the number of the second electrode plates in a single aluminum tube, for example, as shown in fig. 4 and 5, taking the number of the second electrode plates in a single aluminum tube as two, taking the power module as the IGBT power module 40 as an example, the number of the IGBT power modules 40 and the number of the aluminum blocks 44 are also respectively set to be two.
Further, the device also comprises a power module pressing plate; a square hole and a first mounting hole are formed in the power module pressing plate; the power module pressing plate is internally provided with columns the number of which is matched with that of the power modules; the housing 41 is also provided with a square column and a second mounting hole; the square hole is matched with the square column to position the power module pressing plate; the cylinder is used for positioning the power module; screws are installed between the first and second mounting holes to fix the power module pressing plate and the case 41.
In practical implementation, it can be known from the above that, the number of the power modules is generally matched with the number of the second electrode plates in a single aluminum tube, for example, as shown in fig. 4, the number of the second electrode plates in a single aluminum tube is two, and the power modules are the IGBT power modules 40, then the number of the IGBT power modules 40 is correspondingly set to two, the power module pressing plates are the IGBT pressing plates 42, a square hole can be arranged in the middle of the IGBT pressing plates 42 to be matched with the square column on the housing 41, so as to realize the positioning of the IGBT pressing plates 42, two cylindrical structures used for respectively matching with the two IGBT power modules 40 are further arranged inside the IGBT pressing plates 42, and the positioning of the two IGBT power modules 40 is realized through the IGBT pressing plates, so as to facilitate the subsequent installation and welding between the IGBT power modules 40 and the control board.
The IGBT pressure plate 42 is further provided with a first mounting hole, the housing 41 is provided with a second mounting hole, the two mounting holes are correspondingly positioned, one IGBT sensor 43 is usually mounted between the two mounting holes, and the IGBT pressure plate 42 can be fixed on the housing 41 and the IGBT sensor 43 can be fixed at the same time by mounting a screw between the first mounting hole and the second mounting hole.
The embodiment of the utility model provides a still provide a wind heating system, this system includes the casting glue to and the wind heating device of any one of the above-mentioned embodiments; the pouring sealant is used for sealing a fuse and exposed metal in the wind heating device, wherein the exposed metal comprises a first connecting end, a first confluence sheet, a second connecting end, a second confluence sheet, a first electrode tip and a second electrode tip.
In practical implementation, the fuse installed in the ceramic base is isolated and insulated from the external environment through pouring sealant; in the wind heating device, exposed metals such as the first connecting end, the first confluence sheet, the second connecting end, the second confluence sheet, the first electrode tip and the second electrode tip are subjected to pouring sealant, so that insulation and water resistance are realized, and the safety of the wind heating device is ensured.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the 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 wind heating device, comprising: the aluminum pipe connector comprises a control board, a plurality of aluminum pipes, a first connecting end, a first confluence piece, a second connecting end and a second confluence piece; the aluminum tube comprises a plurality of chips, a first electrode plate and a second electrode plate;
the first electrode plate is connected with the anode of the chip; one end of the first electrode plate is led out from the aluminum pipe and connected with the first confluence plate, and the first confluence plate is connected with one end of the first connecting end; the other end of the first connecting end is connected with the positive electrode output end of the control plate;
the second electrode plate is connected with the negative electrode of the chip; one end of the second electrode plate is led out from the aluminum pipe and connected with the second confluence sheet, and the second confluence sheet is connected with one end of the second connecting end; the other end of the second connecting end is connected with the negative electrode output end of the control panel;
the control panel is used for outputting a positive control signal and a negative control signal; the first connection end is used for transmitting the positive control signal to the chip through the first bus bar and the first electrode plates; the second connecting end is used for transmitting the negative control signal to the chip through the second bus bar and the second electrode plates.
2. The apparatus of claim 1, wherein the aluminum tube further comprises a plurality of isolated chips therein; the isolation chips are arranged at the head ends and the tail ends of the plurality of chips;
the isolation chip is used for isolating the plurality of chips from the outside of the aluminum tube.
3. The device of claim 2, wherein the number of the second electrode sheets is plural; the number of the second connecting ends and the number of the second confluence pieces are matched with the number of the second electrode pieces;
the interface of each second electrode plate is matched with the interface of the second confluence plate corresponding to the second electrode plate;
the isolation chips are arranged among the chips corresponding to the second electrode plates so as to isolate the chips corresponding to the second electrode plates;
and an insulating heat-conducting layer is arranged between the first electrode plate and the corresponding second electrode plate and between the second electrode plate and the corresponding aluminum pipe so as to insulate the first electrode plate and the corresponding second electrode plate and dissipate heat of the first electrode plate and the second electrode plate through the aluminum pipe.
4. The device of claim 1, further comprising a plurality of first electrode tips and a plurality of second electrode tips;
one end of the first electrode tip is correspondingly connected with one end of the first electrode plate; the other end of the first electrode tip is connected with the first bus bar; one end of the second electrode tip is correspondingly connected with one end of the second electrode plate, and the other end of the second electrode tip is connected with the second bus bar;
the first electrode tip is used for transmitting the positive control signal received by the first bus bar to the corresponding first electrode piece; the second electrode head is used for transmitting the negative control signal received by the second bus bar to the corresponding second electrode sheet.
5. The apparatus of claim 1, further comprising a plurality of heat sink bars spaced from the plurality of aluminum tubes; the heat dissipation strips are connected with the adjacent aluminum pipes;
the heat dissipation strip is used for guiding out heat generated by the plurality of aluminum pipes.
6. The device of claim 5, further comprising a temperature sensor;
the temperature sensor is arranged on the heat dissipation strip on the outer side; the number of the temperature sensors is matched with that of the second electrode plates in a single aluminum tube;
the temperature sensor is used for collecting the temperature of the corresponding heating area and feeding the temperature back to the control board; the control board is used for adjusting the anode control signal and the cathode control signal according to the temperature.
7. The apparatus of claim 6, further comprising a fuse;
the fuse is arranged on the heat dissipation strip on the side opposite to the temperature sensor;
one end of the fuse is connected with the positive output end of the control panel, and the other end of the fuse is connected with the first connecting end.
8. The apparatus of claim 1, wherein the wind heating apparatus further comprises a power module and a housing; the shell comprises an aluminum block and a shell body; the power modules are arranged on the corresponding aluminum blocks; a grounding terminal is arranged outside the aluminum block; the shell is provided with a plurality of mounting columns, wherein the mounting columns comprise at least one mounting column connected with the aluminum block; the number of the power modules and the number of the aluminum blocks are both matched with the number of the second electrode plates in a single aluminum tube;
the shell is used for mounting the control board and the power module; the power module is used for providing matched power for the plurality of chips; the aluminum block is used for providing heat dissipation for the power module; the mounting posts are used for fixing the control panel; the ground terminal is used for grounding the control board through a lead.
9. The apparatus of claim 8, further comprising a power module platen;
the power module pressing plate is provided with a square hole and a first mounting hole; the power module pressing plate is internally provided with columns matched with the power modules in number; the shell is also provided with a square column and a second mounting hole;
the square hole is matched with the square column to position the power module pressing plate; the cylinder is used for positioning the power module;
and a screw is arranged between the first mounting hole and the second mounting hole so as to fix the power module pressure plate and the shell.
10. A wind heating system comprising a potting adhesive and a wind heating device as claimed in any one of claims 1 to 9;
the pouring sealant is used for sealing a fuse and exposed metal in the wind heating device, wherein the exposed metal comprises a first connecting end, a first bus sheet, a second connecting end, a second bus sheet, a first electrode tip and a second electrode tip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059647.2U CN211451394U (en) | 2020-01-13 | 2020-01-13 | Wind heating device and wind heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020059647.2U CN211451394U (en) | 2020-01-13 | 2020-01-13 | Wind heating device and wind heating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211451394U true CN211451394U (en) | 2020-09-08 |
Family
ID=72301543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020059647.2U Active CN211451394U (en) | 2020-01-13 | 2020-01-13 | Wind heating device and wind heating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211451394U (en) |
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2020
- 2020-01-13 CN CN202020059647.2U patent/CN211451394U/en active Active
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