Multi-temperature-zone warm air PTC heater

Abstract

The utility model discloses a multi-temperature-zone warm air PTC heater, which comprises a shell and a PTC heating core body, the PTC heating core body is positioned in the shell, a plurality of PTC heating tubes are arranged in the PTC heating core body, and the plurality of PTC heating tubes form a temperature zone I, a temperature zone II, a temperature zone III and a temperature zone IV in the shell. A first temperature zone, a second temperature zone, a third temperature zone and a fourth temperature zone are arranged, each temperature zone can be independently heated or closed, independent heating is carried out on a main driver, a co-driver, the left rear row and the right rear row of the whole vehicle, the comfort of passengers is effectively improved, energy consumption is effectively reduced, the endurance is improved, and insulation isolation is achieved between the insulation tube and a fourth PTC heating sheet due to the design of the insulation tube.

Description

TECHNICAL FIELD

[0001] The utility model relates to PTC heater technical field, concretely related to a multi-temperature zone warm air PTC heater. BACKGROUND

[0002] In the absence of engine waste heat, winter vehicle heating, defrosting and demisting safety requirements and power battery short life at low temperature all need electronic heating products to provide corresponding heat, and PTC heater is a good choice, and new energy vehicles need to use PTC heater.

[0003] In new energy vehicles, the existing warm air heater is mostly double-temperature zone or single-temperature zone, that is, during heating, the whole area is heated at the same time, which cannot meet the heating demand of people in each seat of the vehicle, is poor in comfort, high in energy consumption and affects the endurance.

[0004] For the problems in the related art, no effective solution has been proposed so far. UTILITY MODEL CONTENT

[0005] In view of the problems in the related art, the utility model provides a multi-temperature zone warm air PTC heater to overcome the above technical problems existing in the prior art.

[0006] Therefore, the utility model adopts the specific technical scheme as follows:

[0007] A multi-temperature zone warm air PTC heater comprises a shell and a PTC heating core, the PTC heating core is located in the interior of the shell, the interior of the PTC heating core is provided with a plurality of PTC heating pipes, and the plurality of PTC heating pipes form a temperature zone one, a temperature zone two, a temperature zone three and a temperature zone four in the interior of the shell.

[0008] As a preferred, the PTC heating pipe comprises a PTC heating sheet one, a PTC heating sheet two, a PTC heating sheet three and a PTC heating sheet four.

[0009] As a preferred, the PTC heating sheet one corresponds to the temperature zone one, the PTC heating sheet two corresponds to the temperature zone two, the PTC heating sheet three corresponds to the temperature zone three, and the PTC heating sheet four corresponds to the temperature zone four.

[0010] As a preferred, the electrode sheet of the PTC heating sheet one is arranged on one side of the PTC heating sheet four, an insulating tube is arranged on the surface of the electrode sheet, and the PTC heating sheet four is insulated.

[0011] As a preferred, the temperature zone one, the temperature zone two, the temperature zone three and the temperature zone four are composed of resistors R, R, R, R, R and R.

[0012] As preferred, one end of the resistor R is connected with the HV- end of the temperature zone one and the other end of the resistor R respectively, and the other end is connected with the other end of the resistor R, the resistor R, the resistor R, the resistor R and the HV+ common end respectively;

[0013] The other end of the resistor R is connected with the other end of the resistor R and the HV- end of the temperature zone two respectively;

[0014] The other end of the resistor R is connected with the HV- end of the temperature zone three;

[0015] The other end of the resistor R is connected with the HV- end of the temperature zone four.

[0016] The beneficial effects of the utility model are: through setting temperature zone one, temperature zone two, temperature zone three and temperature zone four, each temperature zone can be heated or closed separately, the whole vehicle main driver, vice driver, rear row left and rear row right are heated separately, passenger comfort and energy consumption are effectively improved, and the design of the insulating tube insulates the PTC heating sheet four. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0018] Figure 1 It is a structure schematic view of a multi-temperature-zone warm air PTC heater according to the utility model embodiments;

[0019] Figure 2 It is a distribution diagram of a temperature zone in a multi-temperature-zone warm air PTC heater according to the utility model embodiments;

[0020] Figure 3 It is an internal structure schematic view of a multi-temperature-zone warm air PTC heater according to the utility model embodiments;

[0021] Figure 4 It is a structure schematic view of a heating pipe in a multi-temperature-zone warm air PTC heater according to the utility model embodiments;

[0022] Figure 5 It is a partial schematic view of a multi-temperature-zone warm air PTC heater according to the utility model embodiments;

[0023] Figure 6 It is Figure 5 The partial enlarged schematic view of A in the figure;

[0024] Figure 7 The resistance electrical connection principle diagram of a multi-temperature-zone warm air PTC heater according to an embodiment of the present application.

[0025] In the figure,

[0026] 1, shell; 2, PTC heating core; 3, temperature zone one; 4, temperature zone two; 5, temperature zone three; 6, temperature zone four; 7, PTC heating sheet one; 8, PTC heating sheet two; 9, PTC heating sheet three; 10, PTC heating sheet four; 11, electrode sheet; 12, insulating tube. DETAILED DESCRIPTION

[0027] To further illustrate the embodiments, the present application provides drawings, which are part of the disclosure of the present application, mainly used to illustrate the embodiments, and can be used to explain the operation principle of the embodiments in conjunction with the related description of the specification. With reference to these contents, those skilled in the art should be able to understand other possible embodiments and advantages of the present application. The components in the figure are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0028] According to an embodiment of the present application, a multi-temperature-zone warm air PTC heater is provided.

[0029] Embodiment one;

[0030] As shown in Figures 1-7 According to an embodiment of the present application, a multi-temperature-zone warm air PTC heater is provided.

[0031] Embodiment two;

[0032] As shown in Figures 1-7 The PTC heating tube includes PTC heating sheet one 7, PTC heating sheet two 8, PTC heating sheet three 9, and PTC heating sheet four 10.

[0033] The PTC heating sheet one 7 corresponds to the temperature zone one 3, the PTC heating sheet two 8 corresponds to the temperature zone two 4, the PTC heating sheet three 9 corresponds to the temperature zone three 5, and the PTC heating sheet four 10 corresponds to the temperature zone four 6.

[0034] Embodiment three;

[0035] As shown in Figures 1-7As shown, the electrode sheet 11 of the PTC heating sheet one 7 is arranged on one side of the PTC heating sheet four 10, and the surface of the electrode sheet 11 is wrapped with an insulating tube 12 to insulate and separate the PTC heating sheet four 10.

[0036] Embodiment four;

[0037] As Figures 1-7 As shown, the temperature zone one 3, the temperature zone two 4, the temperature zone three 5 and the temperature zone four 6 are composed of resistors R1, R2, R3, R4, R5 and R6.

[0038] One end of the resistor R1 is connected with the resistor R3 and the HV- end of the temperature zone one 3 respectively, and the other end is connected with the other end of the resistor R3, the resistor R4, the resistor R5, the resistor R6 and the HV+ common end respectively;

[0039] The other end of the resistor R2 is connected with the other end of the resistor R6 and the HV- end of the temperature zone two 4 respectively;

[0040] The other end of the resistor R4 is connected with the HV- end of the temperature zone three 5;

[0041] The other end of the resistor R5 is connected with the HV- end of the temperature zone four 6.

[0042] According to the above technical scheme of the utility model, by arranging the temperature zone one 3, the temperature zone two 4, the temperature zone three 5 and the temperature zone four 6, each temperature zone can be heated or closed separately, the main driver, the vice driver, the rear left and the rear right of the whole vehicle can be heated separately, passenger comfort and energy consumption are effectively improved, and the endurance is improved, and the insulating tube 12 is designed to insulate and separate the PTC heating sheet four 10.

[0043] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A multi-temperature zone PTC heater for warm air, characterized in that, It includes a housing (1) and a PTC heating core (2). The PTC heating core (2) is located inside the housing (1). The PTC heating core (2) is provided with a plurality of PTC heating tubes inside the housing (1). The plurality of PTC heating tubes form temperature zone one (3), temperature zone two (4), temperature zone three (5) and temperature zone four (6) inside the housing (1).

2. The multi-temperature zone PTC heater according to claim 1, characterized in that, The PTC heating element includes PTC heating element one (7), PTC heating element two (8), PTC heating element three (9) and PTC heating element four (10).

3. A multi-temperature zone PTC heater according to claim 2, characterized in that, The PTC heating element one (7) corresponds to the temperature zone one (3), the PTC heating element two (8) corresponds to the temperature zone two (4), the PTC heating element three (9) corresponds to the temperature zone three (5), and the PTC heating element four (10) corresponds to the temperature zone four (6).

4. A multi-temperature zone PTC heater according to claim 3, characterized in that, The electrode plate (11) of the PTC heating element one (7) is disposed on one side of the PTC heating element four (10). The surface of the electrode plate (11) is wrapped with an insulating tube (12) for insulation isolation between it and the PTC heating element four (10).

5. A multi-temperature zone PTC heater according to claim 1, characterized in that, Temperature zone one (3), temperature zone two (4), temperature zone three (5) and temperature zone four (6) are composed of resistors R1, R2, R3, R4, R5 and R6.

6. A multi-temperature zone PTC heater according to claim 5, characterized in that, One end of the resistor R1 is connected to the resistor R3 and the HV- end of the temperature zone (3), and the other end is connected to the other end of the resistor R3, the resistor R4, the resistor R5, the resistor R6 and the HV+ common terminal. The other end of the resistor R2 is connected to the other end of the resistor R6 and the HV-end of the second temperature zone (4); The other end of the resistor R4 is connected to the HV- terminal of the temperature zone three (5); The other end of the resistor R5 is connected to the HV- end of the temperature zone four (6).

Images