Control system for heating device
Technical Field
The utility model relates to a new energy automobile technical field, it is comparatively concrete, involve a control system for heating device.
Background
At present, an electric heating pipe type heating device adopted in the existing heating device of the new energy bus has the following defects: 1. the existing electric heating tube can only work with fixed 20KW power, and the electric energy is seriously wasted; 2. the volume of the prior heat exchanger and the control system is relatively large, and the prior heat exchanger and the control system are very inconvenient to maintain; 3. the existing control system adopts a high-voltage relay mode to control whether a heating pipe works or not, and the practical service life of the high-voltage relay is probably thousands of times, so that the service life of the whole heating device is limited; 4. when the connecting wire of the heating pipe of the heat exchanger is connected with the control system, the connecting wire is very complex and is easy to be installed in a wrong way.
In order to heat circulating liquid of a new energy automobile and avoid freezing of the circulating liquid, the existing heating mode of the new energy automobile comprises a fuel oil and fuel gas liquid heater and a heat exchanger adopting an electric heating pipe at present, but no matter which heater or heat exchanger is adopted, the heat exchange efficiency is low, and the temperature is difficult to control.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model discloses a solve the problem that current heater or heat exchanger heat exchange efficiency is low and the temperature is difficult to control, the utility model provides a control system for heating device adopts IGBT temperature control module's control system, and control system includes: the IGBT temperature control module 12 is fixed in a closed cavity formed by the first shell 11 and the first cover plate 13, a male terminal 121 is arranged on the surface, close to the first cover plate 13, of the IGBT temperature control module 12, a guide groove 133 corresponding to the male terminal 121 is arranged on the surface of the first cover plate 13, and the male terminal 121 can penetrate through the guide groove 133 on the surface of the first cover plate 13; the female terminal 232 in the guide groove 133 of the second cover plate 21 is matched with the male terminal 121 in the guide groove 133 of the first cover plate 13, the IGBT temperature control module 12 is further provided with three first sensor contacts 123 near the surface of the first cover plate 13, the outer surface of the first cover plate 13 is provided with the spacer 134 corresponding to the first sensor contacts 123, the first sensor contacts 123 penetrate through the corresponding spacer 134 and then are electrically connected with the corresponding second sensor contacts on the hub fixing bracket 24 in a matching manner, so that the adjustment control of the power of the heating pipe 32 by the IGBT temperature control module 12 can be realized, and through the matching of the male terminal 121 and the female terminal 232, the spacer 134 is matched with the second sensor contacts of the hub fixing bracket 24, so that the installation efficiency of the connecting wire 231 of the control system 1 and the heat exchanger 3 can be improved, and by adopting the IGBT temperature control module 12, the power control of the heating pipe 32 of the whole heat exchanger 3 is more accurate, the heat exchange efficiency of the whole heating device is greatly improved.
A control system for a heating installation, comprising: control system 1, line concentration system 2 and heat exchanger 3, control system 1 includes: the first shell 11, the IGBT temperature control module 12 and the first cover plate 13, the wire collecting system 2 includes a second cover plate 21, a wiring board 23, a hub fixing support 24 and a second shell 25, the wiring board 23 and the hub fixing support 24 are located inside an accommodating chamber formed by the second cover plate 21 and the second shell 25, the wiring board 23 is located in a direction close to the second cover plate 21, a female terminal 232 is arranged on the surface of the wiring board 23, the female terminal 232 can pass through a guide groove 133 on the surface of the second cover plate 21, the wiring board 23 and the hub fixing support 24 are fixed together through a screw and/or a stud, a connecting wire 231 is arranged on the surface of the wiring board 23, the heat exchanger 3 includes a third cover plate 31, a heat exchanger shell 33 and heating pipes 32, a plurality of heating pipes 32 are arranged inside the heat exchanger shell 33, the heads of the plurality of heating pipes 32 are uniformly fixed on the third cover plate, after the connecting line 231 at the head of the heating pipe 32 fixed on the third cover plate 31 of the heat exchanger 3 is electrically connected with the connecting line 231 of the hub fixing bracket 24, the third cover plate 31 is matched and fixed with the second shell 25, and the heat exchanger is characterized in that: a first small hole 111 and a second small hole 112 are respectively formed on the first shell 11, the first small hole 111 is used for connecting one end face of a first liquid inlet pipe 113, the second small hole 112 is used for connecting one end face of a first liquid outlet pipe 114, the other end face of the first liquid inlet pipe 113 and the other end face of the first liquid outlet pipe 114 are respectively connected on a heat exchanger shell 33, a second liquid inlet 331 and a second liquid outlet 332 are arranged on the heat exchanger shell 33, the other end face of the first liquid inlet pipe 113 is close to the second liquid inlet 331, the other end face of the first liquid outlet pipe 114 is close to the second liquid outlet 332, a U-shaped water channel 115 is arranged inside the first shell 11 and is connected with the first small hole 111 and the second small hole 112 through the U-shaped water channel 115, the upper surface of the second small hole 112 is provided with a slot 119 of an automobile connector 122, and the IGBT temperature control module 12 is fixed inside a closed cavity formed by the first shell 11 and the first cover, the IGBT temperature control module 12 is provided with an automobile connector 122 matched with the first shell 11 at a position close to the surface of the first shell 11 and corresponding to the open groove 119, the IGBT temperature control module 12 is provided with a plurality of IGBT temperature plates 124 close to the surface of the first shell 11 and corresponding to the inverted-U-shaped water channel 115, the IGBT temperature control module 12 is provided with a male terminal 121 close to the surface of the first cover plate 13, the surface of the first cover plate 13 is provided with a guide groove 133 corresponding to the male terminal 121, and the male terminal 121 can pass through the guide groove 133 on the surface of the first cover plate 13; the female terminal 232 in the guide groove 133 of the second cover plate 21 is matched with the male terminal 121 in the guide groove 133 of the first cover plate 13, the IGBT temperature control module 12 is further provided with three first sensor contacts 123 near the surface of the first cover plate 13, the outer surface of the first cover plate 13 is provided with the spacer 134 corresponding to the first sensor contacts 123, the first sensor contacts 123 penetrate through the corresponding spacer 134 and then are electrically connected with the corresponding second sensor contacts on the hub fixing bracket 24 in a matching manner, so that the adjustment control of the power of the heating pipe 32 by the IGBT temperature control module 12 can be realized, and through the matching of the male terminal 121 and the female terminal 232, the spacer 134 is matched with the second sensor contacts of the hub fixing bracket 24, so that the positions of the second cover plate 21 and the first cover plate 13 are also matched with each other, and thus the control system 1 and the line concentration system 2 can be quickly and conveniently installed together, can promote the installation effectiveness of control system 1 and heat exchanger 3's connecting wire 231 like this, adopt IGBT temperature control module 12 for power control to whole heat exchanger 3's heating pipe 32 is more accurate, and whole heating system's heat exchange efficiency promotes greatly.
Further, a plurality of protrusions 116 are provided in the channel 115 in a shape of a Chinese character 'ji', and the heat dissipation area is increased by the protrusions 116, thereby accelerating heat dissipation.
Furthermore, a third small hole 117 is formed in the surface part, far away from the U-shaped water channel 115, of the first shell 11, a reverse buckle is arranged in the third lower hole, and the reverse buckle is used for preventing external water vapor, dust and salt mist gas from entering to balance the ventilation amount inside a closed cavity formed by the first shell 11 and the first cover plate 13, so that the service life of the product is prolonged.
Further, a plurality of net-shaped reinforcing ribs 131 are arranged inside the first cover plate 13, and the cover plate is made of plastic, so that the support of the surface of the cover plate is enhanced through the reinforcing ribs 131, and the cover plate is prevented from deforming.
Furthermore, the positions of the inside of the first cover plate 13 corresponding to the plurality of IGBT temperature plates 124 are provided with matching positioning grooves 132, and the IGBT temperature plates 124 are protected by arranging the IGBT temperature plates 124 at the positioning grooves 132.
Further, the combined installation mode of the control system 1 and the line concentration system 2 includes the mode of combining by adopting a buckle mode, a screw mode or an interference fit mode.
Furthermore, one or more first fixing holes 118 are formed in the first housing 11 of the control system 1, one or more second fixing holes 22 are formed in the line concentration system 2, the positions of the first fixing holes 118 and the positions of the second fixing holes 22 are matched with each other, and screws are driven into the corresponding first fixing holes 118 and the corresponding second fixing holes 22 and are locked.
Further, in order to ensure the sealing performance inside the control system 1 and the sealing performance inside the heat exchanger 3, a first sealing structure is added between the first shell 11 and the first cover plate 13, and the first sealing structure comprises a sealing ring, a sealing gasket or a sealing glue; a second sealing structure is additionally arranged at the joint of the second shell 25 of the line concentration system 2 and the third cover plate 31 of the heat exchanger 3, the second sealing structure comprises a sealing ring, a sealing gasket or a sealing glue, a third sealing structure is arranged at the upper end of the automobile connector 122, and the third sealing structure comprises a sealing ring, a sealing gasket or a sealing glue.
Further, a second liquid inlet pipe 333 and a second liquid outlet pipe 334 are arranged on the shell of the heat exchanger 3, the circulating liquid with lower external temperature enters the heat exchanger 3 from the second liquid inlet pipe 333, and after being heated by the heating pipe 32, the circulating liquid leaves the heat exchanger 3 from the second liquid outlet pipe 334; an end face of the second liquid inlet pipe 333 is connected to the second liquid inlet 331, and an end face of the second liquid outlet pipe 334 is connected to the second liquid outlet 332, so that the circulating liquid inside the heat exchanger 3 can enter the control system 1, and the circulating liquid after cooling the IGBT temperature control module 12 inside the control system 1 can be transferred to the heat exchanger 3 from the inside of the control system 1. By adopting the mode, the IGBT temperature control module 12 can be cooled, the normal work of the IGBT temperature control module 12 is ensured, and in addition, the IGBT temperature control module 12 is in a contactless adjusting mode, so that the service life of the whole heating device is greatly prolonged.
Further, still be equipped with inlet temperature sensor 335 on heat exchanger shell 33, outlet temperature sensor 336 and overheat sensor, inlet temperature sensor 335 is located near second inlet 331, inlet temperature sensor 335 passes through connecting wire 231 and corresponds connector electric connection, outlet temperature sensor 336 is located near first liquid outlet, outlet temperature sensor 336 passes through connecting wire 231 and corresponds connector electric connection, be close to near inlet temperature sensor 335 and be equipped with overheat sensor, overheat sensor passes through connecting wire 231 and corresponds connector electric connection, thereby realize IGBT temperature control module 12 to the regulation control of the power of heating pipe 32.
The utility model discloses a be applied to new energy automobile's heating device's theory of operation as follows: firstly, the connecting line 231 is fixed in the guide groove 133 of the hub fixing bracket 24 through the hub fixing bracket 24 and the connecting plate, and then the line concentration system 2 is assembled into an independent whole through screws; then, the connecting wire 231 of the heating pipe 32 of the heat exchanger 3 is fixedly connected with the connecting wire 231 in the guide groove 133 of the hub fixing bracket 24, the first connector, the second connector and the third connector are respectively in one-to-one corresponding plug-in connection with the three sockets, then, the IGBT temperature control module 12 is installed inside the first housing 11 and the first cover plate 13 and assembled to form an independent whole, and finally, the control system 1 and the hub system 2 are assembled to the control hub system 2 through screws. The IGBT temperature control module 12 can thus adjust the power of the heating tubes 32 inside the heat exchanger 3 by the temperature conditions reflected by the three temperature sensors. Therefore, adopt the utility model discloses a be applied to new energy automobile's heating device's control system 1, not only can realize the regulation to heat exchanger 3's heating temperature, simultaneous control system 1 is behind the arrangement effect of line concentration system 2, the temperature control part integrated level of whole heat exchanger 3 is very high, the volume of whole temperature control part has significantly reduced, and the time of artifical reason line has been reduced, the probability of making mistakes when having reduced the arrangement circuit simultaneously, and control system 1's life has been promoted.
Drawings
Fig. 1 is a schematic structural diagram of a control system for a heating device according to the present invention.
Fig. 2 is a schematic structural diagram of a control system for a heating device according to the present invention.
Fig. 3 is a schematic structural diagram of a control system for a heating device according to the present invention.
Fig. 4 is a schematic structural diagram of the heat exchanger of the control system for a heating device of the present invention.
Fig. 5 is a schematic structural diagram of a line concentration system of a control system for a heating device of the present invention.
Fig. 6 is a schematic structural diagram of a line concentration system of a control system for a heating device of the present invention.
Fig. 7 is a schematic diagram of the general structure of the control system for the heating device of the present invention.
Description of the main elements
The following detailed description of the invention will be further described in conjunction with the above-identified drawings.
Detailed description of the preferred embodiment 1
As shown in fig. 1, it is a schematic structural diagram of a control system for a heating device of the present invention; as shown in fig. 2, it is a schematic structural diagram of a control system for a heating device of the present invention; as shown in fig. 3, it is a schematic structural diagram of a control system for a heating device of the present invention; as shown in fig. 4, it is a schematic diagram of a heat exchanger of a control system for a heating device according to the present invention; as shown in fig. 5, it is a schematic diagram of a line concentration system of the control system for a heating device of the present invention; as shown in fig. 6, the utility model is a structural diagram of a line concentration system of a control system for a heating device; as shown in fig. 7, the present invention is a general structural schematic diagram of a control system for a heating system.
A control system for a heating installation, comprising: control system 1, line concentration system 2 and heat exchanger 3, control system 1 includes: the first shell 11, the IGBT temperature control module 12 and the first cover plate 13, the wire collecting system 2 includes a second cover plate 21, a wiring board 23, a hub fixing support 24 and a second shell 25, the wiring board 23 and the hub fixing support 24 are located inside an accommodating chamber formed by the second cover plate 21 and the second shell 25, the wiring board 23 is located in a direction close to the second cover plate 21, a female terminal 232 is arranged on the surface of the wiring board 23, the female terminal 232 can pass through a guide groove 133 on the surface of the second cover plate 21, the wiring board 23 and the hub fixing support 24 are fixed together through a screw and/or a stud, a connecting wire 231 is arranged on the surface of the wiring board 23, the heat exchanger 3 includes a third cover plate 31, a heat exchanger shell 33 and heating pipes 32, a plurality of heating pipes 32 are arranged inside the heat exchanger shell 33, the heads of the plurality of heating pipes 32 are uniformly fixed on the third cover plate, after the connecting line 231 at the head of the heating pipe 32 fixed on the third cover plate 31 of the heat exchanger 3 is electrically connected with the connecting line 231 of the hub fixing bracket 24, the third cover plate 31 is matched and fixed with the second shell 25, and the heat exchanger is characterized in that: a first small hole 111 and a second small hole 112 are respectively formed on the first shell 11, the first small hole 111 is used for connecting one end face of a first liquid inlet pipe 113, the second small hole 112 is used for connecting one end face of a first liquid outlet pipe 114, the other end face of the first liquid inlet pipe 113 and the other end face of the first liquid outlet pipe 114 are respectively connected on a heat exchanger shell 33, a second liquid inlet 331 and a second liquid outlet 332 are arranged on the heat exchanger shell 33, the other end face of the first liquid inlet pipe 113 is close to the second liquid inlet 331, the other end face of the first liquid outlet pipe 114 is close to the second liquid outlet 332, a U-shaped water channel 115 is arranged inside the first shell 11 and is connected with the first small hole 111 and the second small hole 112 through the U-shaped water channel 115, the upper surface of the second small hole 112 is provided with a slot 119 of an automobile connector 122, and the IGBT temperature control module 12 is fixed inside a closed cavity formed by the first shell 11 and the first cover, the IGBT temperature control module 12 is provided with an automobile connector 122 matched with the first shell 11 at a position close to the surface of the first shell 11 and corresponding to the open groove 119, the IGBT temperature control module 12 is provided with a plurality of IGBT temperature plates 124 close to the surface of the first shell 11 and corresponding to the inverted-U-shaped water channel 115, the IGBT temperature control module 12 is provided with a male terminal 121 close to the surface of the first cover plate 13, the surface of the first cover plate 13 is provided with a guide groove 133 corresponding to the male terminal 121, and the male terminal 121 can pass through the guide groove 133 on the surface of the first cover plate 13; the female terminal 232 in the guide groove 133 of the second cover plate 21 is matched with the male terminal 121 in the guide groove 133 of the first cover plate 13, the IGBT temperature control module 12 is further provided with three first sensor contacts 123 near the surface of the first cover plate 13, the outer surface of the first cover plate 13 is provided with the spacer 134 corresponding to the first sensor contacts 123, the first sensor contacts 123 penetrate through the corresponding spacer 134 and then are electrically connected with the corresponding second sensor contacts on the hub fixing bracket 24 in a matching manner, so that the adjustment control of the power of the heating pipe 32 by the IGBT temperature control module 12 can be realized, and through the matching of the male terminal 121 and the female terminal 232, the spacer 134 is matched with the second sensor contacts of the hub fixing bracket 24, so that the positions of the second cover plate 21 and the first cover plate 13 are also matched with each other, and thus the control system 1 and the line concentration system 2 can be quickly and conveniently installed together, can promote the installation effectiveness of control system 1 and heat exchanger 3's connecting wire 231 like this, adopt IGBT temperature control module 12 for power control to whole heat exchanger 3's heating pipe 32 is more accurate, and whole heating system's heat exchange efficiency promotes greatly.
A plurality of protrusions 116 are arranged in the inverted-U-shaped water channel 115, and the heat dissipation area is increased through the protrusions 116, so that the heat dissipation is accelerated.
The surface part of the first shell 11, which is far away from the U-shaped water channel 115, is provided with a third small hole 117, a reverse buckle is arranged in a third lower hole, and the reverse buckle prevents external water vapor, dust and salt mist gas from entering to balance the ventilation amount in the closed cavity formed by the first shell 11 and the first cover plate 13, so that the service life of the product is prolonged.
The inside of first apron 13 is equipped with netted several strengthening ribs 131, because the apron is plastic products, strengthens the support on apron surface through strengthening rib 131, prevents that the apron from taking place to warp.
The positions of the inside of the first cover plate 13 corresponding to the plurality of IGBT temperature plates 124 are provided with matching positioning grooves 132, and the IGBT temperature plates 124 are protected by arranging the IGBT temperature plates 124 at the positioning grooves 132.
The combined installation mode of the control system 1 and the line concentration system 2 comprises the mode of combining by adopting a buckle, a screw or interference fit.
One or more first fixing holes 118 are formed in the first shell 11 of the control system 1, one or more second fixing holes 22 are formed in the line concentration system 2, the positions of the first fixing holes 118 and the positions of the second fixing holes 22 are matched with each other, and screws are driven into the corresponding first fixing holes 118 and the corresponding second fixing holes 22 and are locked.
In order to ensure the sealing performance inside the control system 1 and the sealing performance inside the heat exchanger 3, a first sealing structure is additionally arranged between the first shell 11 and the first cover plate 13, and the first sealing structure comprises a sealing ring, a sealing gasket or a sealing glue; a second sealing structure is additionally arranged at the joint of the second shell 25 of the line concentration system 2 and the third cover plate 31 of the heat exchanger 3, the second sealing structure comprises a sealing ring, a sealing gasket or a sealing glue, a third sealing structure is arranged at the upper end of the automobile connector 122, and the third sealing structure comprises a sealing ring, a sealing gasket or a sealing glue.
A second liquid inlet pipe 333 and a second liquid outlet pipe 334 are arranged on the shell of the heat exchanger 3, circulating liquid with lower external temperature enters the heat exchanger 3 from the second liquid inlet pipe 333, and leaves the heat exchanger 3 from the second liquid outlet pipe 334 after being heated by the heating pipe 32; an end face of the second liquid inlet pipe 333 is connected to the second liquid inlet 331, and an end face of the second liquid outlet pipe 334 is connected to the second liquid outlet 332, so that the circulating liquid inside the heat exchanger 3 can enter the control system 1, and the circulating liquid after cooling the IGBT temperature control module 12 inside the control system 1 can be transferred to the heat exchanger 3 from the inside of the control system 1. By adopting the mode, the IGBT temperature control module 12 can be cooled, the normal work of the IGBT temperature control module 12 is ensured, and in addition, the IGBT temperature control module 12 is in a contactless adjusting mode, so that the service life of the whole heating device is greatly prolonged.
Still be equipped with inlet temperature sensor 335 on heat exchanger shell 33, liquid outlet temperature sensor 336 and overheat sensor, inlet temperature sensor 335 is located near second inlet 331, inlet temperature sensor 335 passes through connecting wire 231 and corresponds connector electric connection, liquid outlet temperature sensor 336 is located near first liquid outlet, liquid outlet temperature sensor 336 passes through connecting wire 231 and corresponds connector electric connection, be close to near inlet temperature sensor 335 and be equipped with overheat sensor, overheat sensor passes through connecting wire 231 and corresponds connector electric connection, thereby realize IGBT temperature control module 12 to the regulation and control of the power of heating pipe 32.
The utility model discloses a be applied to new energy automobile's heating device's theory of operation as follows: firstly, the connecting line 231 is fixed in the guide groove 133 of the hub fixing bracket 24 through the hub fixing bracket 24 and the connecting plate, and then the line concentration system 2 is assembled into an independent whole through screws; then, the connecting wire 231 of the heating pipe 32 of the heat exchanger 3 is fixedly connected with the connecting wire 231 in the guide groove 133 of the hub fixing bracket 24, the first connector, the second connector and the third connector are respectively in one-to-one corresponding plug-in connection with the three sockets, then, the IGBT temperature control module 12 is installed inside the first housing 11 and the first cover plate 13 and assembled to form an independent whole, and finally, the control system 1 and the hub system 2 are assembled to the control hub system 2 through screws. The IGBT temperature control module 12 can thus adjust the power of the heating tubes 32 inside the heat exchanger 3 by the temperature conditions reflected by the three temperature sensors. Therefore, adopt the utility model discloses a be applied to new energy automobile's heating device's control system 1, not only can realize the regulation to heat exchanger 3's heating temperature, simultaneous control system 1 is behind the arrangement effect of line concentration system 2, the temperature control part integrated level of whole heat exchanger 3 is very high, the volume of whole temperature control part has significantly reduced, and the time of artifical reason line has been reduced, the probability of making mistakes when having reduced the arrangement circuit simultaneously, and control system 1's life has been promoted.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.