A compact liquid heater for multi-directional installation of a new energy vehicle heating system

Abstract

The utility model discloses a new energy automobile heating system multidirectional installation's compact liquid heater, including upper casing, the top of upper casing is equipped with lower casing, be equipped with the sealing gasket for sealing between lower casing with upper casing, one side of upper casing is equipped with high -voltage socket, and the other side is equipped with low -voltage socket, be equipped with PTC heating core body in upper casing, the top of PTC heating core body is equipped with the confluence piece, the top of confluence piece is equipped with PCBA board, PCBA board is connected with confluence piece through the copper bar of confluence, novel casing structure upper and lower cast aluminium piece combination, form the water channel, set up PTC heating core body in the cast aluminium water channel groove contact with cooling liquid, realize and liquid high -efficient heat exchange, and lower casing and upper casing form the seal through sealing washer, and the water nozzle can be direct through the quick water nozzle also can change the quick plug water nozzle, and high -voltage socket and low -voltage socket design, and the plug -in is through sealing ring realizes the seal of inside and outside, and the plug -in is through screw locking.

Description

Technical Field

[0001] This utility model relates to the field of liquid heater technology, and more specifically, to a compact liquid heater that can be installed in multiple directions in a new energy vehicle heating system. Background Technology

[0002] Currently, the liquid electric heaters in the thermal management systems of new energy vehicles are mostly installed at the bottom, and the water nozzle structure is a traditional PTC heater with a water nozzle interface. Therefore, the assembly method is simple, the mounting bracket is large, resulting in low assembly adaptability and compatibility, and high development costs for a single model.

[0003] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0004] In response to the problems in related technologies, this utility model proposes a compact liquid heater that can be installed in multiple directions in a new energy vehicle heating system, so as to overcome the above-mentioned technical problems existing in the existing related technologies.

[0005] Therefore, the specific technical solution adopted by this utility model is as follows:

[0006] A compact liquid heater for multi-directional installation in a new energy vehicle heating system includes an upper housing, a lower housing on top of the upper housing, a sealing gasket between the lower housing and the upper housing for sealing, a high-voltage socket on one side of the upper housing and a low-voltage socket on the other side, a PTC heating element inside the upper housing, a busbar on top of the PTC heating element, a PCBA board on top of the busbar, the PCBA board connected to the busbar via a busbar copper busbar, an IGBT pressure block on top of the PCBA board, and a sealing cap on top of the upper housing.

[0007] Preferably, the PTC heating core includes a PTC heating element, a thermally conductive insulating silicone sheet, a U-shaped fixing block, and a T-shaped block. The PTC heating element is wrapped with the thermally conductive insulating silicone sheet, and the thermally conductive insulating silicone sheet is wrapped with the U-shaped fixing block.

[0008] Preferably, a liquid flow channel is formed between the lower housing and the upper housing, and the liquid flow channel is connected to two sets of water nozzles located on one side of the lower housing for water diversion.

[0009] Preferably, a quick-connect water nozzle is fitted onto the water nozzle.

[0010] Preferably, the PTC heating core is placed inside the liquid flow channel, and the T-shaped block presses the U-shaped fixing block into the liquid flow channel to achieve an interference fit.

[0011] Preferably, the side wall of the upper housing is provided with three sets of threaded holes, and the lower housing is provided with an installation angle on one side and between the two sets of water nozzles and on the other side.

[0012] Preferably, the lower housing has a symmetrically arranged mounting angle two on one side.

[0013] The beneficial effects of this utility model are as follows: the new shell structure is composed of upper and lower cast aluminum parts to form a water channel; the PTC heating core is placed in the cast aluminum water channel groove that is in contact with the coolant, so as to achieve efficient heat exchange with the liquid; the lower shell and the upper shell are sealed by a sealing gasket.

[0014] The water tap can be directly connected to a quick-connect water tap or can be replaced with a quick-connect water tap;

[0015] The high-voltage and low-voltage sockets are designed with the plug-in sealed internally and externally through a sealing ring, and the plug-in is tightened with screws. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a structural schematic diagram of a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0018] Figure 2 This is an exploded view of a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0019] Figure 3 This is a schematic diagram of the structure of a PTC heating core in a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0020] Figure 4 This is a top view of the liquid flow channel in a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0021] Figure 5 This is a side sectional view of a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0022] Figure 6This is a schematic diagram of the rapid water nozzle in a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0023] Figure 7 This is a top view of a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0024] Figure 8 This is a side view of a compact liquid heater installed in multiple directions in a new energy vehicle heating system according to an embodiment of the present utility model.

[0025] In the picture:

[0026] 1. Upper housing; 2. Lower housing; 3. Sealing gasket; 4. High-voltage socket; 5. Low-voltage socket; 6. PTC heating element; 7. Busbar; 8. PCBA board; 9. Busbar copper busbar; 10. IGBT clamp; 11. Sealing cover; 12. PTC heating element; 13. Thermally conductive insulating silicone sheet; 14. U-shaped fixing block; 15. T-shaped block; 16. Liquid flow channel; 17. Water nozzle; 18. Quick-dry water nozzle; 19. Threaded hole; 20. Mounting angle one; 21. Mounting angle two. Detailed Implementation

[0027] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0028] According to an embodiment of the present invention, a compact liquid heater for multi-directional installation in a new energy vehicle heating system is provided.

[0029] Example 1:

[0030] like Figure 1-8 As shown, the compact liquid heater installed in multiple directions in the new energy vehicle heating system according to an embodiment of the present utility model includes an upper housing 1, a lower housing 2 on the top of the upper housing 1, a sealing gasket 3 for sealing between the lower housing 2 and the upper housing 1, a high-voltage socket 4 on one side of the upper housing 1 and a low-voltage socket 5 on the other side, a PTC heating core 6 inside the upper housing 1, a busbar 7 on the top of the PTC heating core 6, a PCBA board 8 on the top of the busbar 7, the PCBA board 8 being connected to the busbar 7 via a busbar copper busbar 9, an IGBT pressure block 10 on the top of the PCBA board 8, and a sealing cover 11 on the top of the upper housing 1.

[0031] Example 2:

[0032] like Figure 1-8 As shown, the PTC heating core 6 includes a PTC heating element 12, a thermally conductive and insulating silicone sheet 13, a U-shaped fixing block 14, and a T-shaped block 15. The PTC heating element 12 is wrapped with the thermally conductive and insulating silicone sheet 13, and the thermally conductive and insulating silicone sheet 13 is wrapped with the U-shaped fixing block 14. A liquid flow channel 16 is formed between the lower housing 2 and the upper housing 1. The liquid flow channel 16 is connected to two sets of water nozzles 17 located on one side of the lower housing 2 to divert water flow. A quick-drip water nozzle 18 is fitted onto the water nozzle 17.

[0033] Example 3:

[0034] like Figure 1-8 As shown, the PTC heating core 6 is placed inside the liquid flow channel 16. The T-shaped block 15 presses the U-shaped fixing block 14 into the liquid flow channel 16 to achieve an interference fit. The side wall of the upper housing 1 is provided with three sets of threaded holes 19. The lower housing 2 is provided with an installation angle 1 20 on one side and between the two sets of water nozzles 17 and on the other side. The lower housing 2 is provided with a symmetrically arranged installation angle 21 on one side.

[0035] In summary, with the help of the above-mentioned technical solution of this utility model, the new shell structure is composed of upper and lower cast aluminum parts to form a water channel; the PTC heating core 6 is placed in the cast aluminum water channel groove that is in contact with the coolant to achieve efficient heat exchange with the liquid; the lower shell 2 and the upper shell 1 are sealed by the sealing gasket 3; the water nozzle 17 can be directly connected to the quick water nozzle 18 or can be replaced with a quick plug water nozzle; the high-pressure socket 4 and the low-pressure socket 5 are designed, and the plug-in achieves internal and external sealing through the sealing ring, and the plug-in is locked by screws.

[0036] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

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