BLADE-HEATING HEAT PUMP COVER AND HEAT PUMP

Abstract

Disclosed are a blade-heating heat pump cover and a heat pump. The blade-heating heat pump cover comprises a cover body having a first surface in contact with liquid and a second surface opposed to the first surface. The heat pump cover further comprises a heating element having a first end on one side of the first surface, and a second end passes through the cover body and protrudes from the second surface. The second end is provided with an electrical connection section used for energizing. The first end comprises a heating section and a non-heating section, the non-heating section is on one side of the heating section away from the second end, and the non-heating section is connected to the heating section.

Description

Claims

1. A blade-heating heat pump cover, comprising: a cover body having a first surface in contact with liquid and a second surface opposed to the first surface,a heating element having a first end on one side of the first surface, and a second end passes through the cover body and protrudes from the second surface, wherein the second end is provided with an electrical connection section, wherein the electrical connection section is used for energizing; andwherein the first end comprises a heating section and a non-heating section, wherein the non-heating section is on one side of the heating section away from the second end, and the non-heating section is connected to the heating section.

2. The blade-heating heat pump cover according to claim 1, wherein a length of the non-heating section is 2 mm - 80 mm.

3. The blade-heating heat pump cover according to claim 1, wherein the heating element has a connection area, and the connection area is fixedly connected to the first surface; wherein the heat pump cover further comprises a temperature-controlling assembly electrically connected to the electrical connection section;wherein the temperature-controlling assembly comprises a safety device connected to a position on the second surface corresponding to the connection area.

4. The blade-heating heat pump cover according to claim 3, wherein the heating section is the connection area, wherein the heating section is fixedly connected to the first surface.

5. The blade-heating heat pump cover according to claim 4, wherein the heating section is welded to the first surface or is fixedly connected to the first surface by a temperature-sensing layer.

6. The blade-heating heat pump cover according to claim 1, wherein the non-heating section is connected to the first surface or is set at intervals with the first surface.

7. The blade-heating heat pump cover according to claim 1, wherein a length of the heating element along a radial direction is greater than a length of the heating element along an axial direction.

8. The blade-heating heat pump cover according to claim 7, wherein a ratio of the length of the heating element along the radial direction to the length of the heating element along the axial direction is not less than 2.3.

9. The blade-heating heat pump cover according to claim 1, wherein the heating element has a heating body area, wherein the heating body area is provided between the first end and the second end, wherein the heating body area and the first end form a contour in a shape of an open ring; wherein the heating element has a connecting reinforcement connected between a bending section of the second end and the first end, wherein the connecting reinforcement is located at an opening between the heating body area and the first end.

10. The blade-heating heat pump cover according to claim 3, wherein the electrical connection section comprises a first wiring post and a second wiring post; wherein the heating element comprises a heating sheath and a heating wire inside the heating sheath, two ends of the heating wire are respectively connected to the first wiring post and the second wiring post.

11. The blade-heating heat pump cover according to claim 1, wherein the cover body is provided with a convex section, wherein the second end comprises a bending section and an extension section, wherein the bending section is bent into the convex section and penetrates the convex section by the extension section, wherein the extension section of the second end is sealingly connected to a penetration of the convex section.

12. The blade-heating heat pump cover according to claim 11, wherein a power density at the bending section and a power density at a part of the extension section inside the convex section are both less than a power density at the heating section.

13. The blade-heating heat pump cover according to claim 3, wherein the heating element has a heating body area, wherein the heating body area is provided between the first end and the second end, wherein the heating body area of the heating element and the first surface are set at intervals, wherein the heating body area and the first surface are connected by one support or a plurality of supports.

14. The blade-heating heat pump cover according to claim 13, wherein a position of the heating body area connected to the supports is the connection area.

15. The blade-heating heat pump cover according to claim 3, wherein the heating body area of the heating element and the first surface are set at intervals, wherein at least one welded position is between the heating body area and the first surface, wherein the welded position of the heating body area is the connection area.

16. The blade-heating heat pump cover according to claim 10, wherein the temperature-controlling assembly further comprises a temperature-sensing substrate connected to the second surface;a temperature controller connected to the temperature-sensing substrate, and wherein a bottom of the temperature controller is attached to the second surface;a safety device connected to the temperature-sensing substrate, and wherein a bottom of the safety device is attached to the second surface; anda control plug fixedly set on the temperature controller and the safety device, wherein two sides of the control plug are respectively provided with reinforcement bars, wherein the first wiring post and the second wiring post are respectively electrically connected to a first plug and a second plug set on the two sides of the control plug in a circuit connection; andwherein the control plug also comprises a third plug and a fourth plug, wherein the third plug and the fourth plug are set at intervals, wherein the third plug and the fourth plug are respectively electrically connected to the temperature controller and the safety device.

17. A heat pump comprising: a pump body, and a heat pump cover according to claim 1; wherein the heat pump cover is detachably connected to the pump body.