Bathroom mirror capable of detecting fogging and provided with energy-saving heat exchange heating mechanism

Abstract

The invention discloses a bathroom mirror capable of detecting fogging and provided with an energy-saving heat exchange heating mechanism, and relates to the technical field of bathroom mirrors, the bathroom mirror comprises a bathroom mirror body, the bathroom mirror body comprises a mounting frame, a mirror body and a back plate, and an external heating demisting mechanism is arranged on the front side of the mounting frame on one side away from a first groove; the moving driving mechanism extends out of the moving groove and then is connected with the external heating and demisting mechanism, and the internal heating and demisting mechanism is connected with the adjusting mechanism; the external heating and demisting mechanism and the matched moving driving mechanism are arranged on the front face of the mounting frame body, the external heating and demisting mechanism can achieve heating and demisting from the front face of the mirror body, and a second air hole in one external air outlet branch pipe of the external heating and demisting mechanism faces the outer side; the hot and humid air close to the front face of the mirror body can be reversely blown away, so that active demisting is achieved, and the movable driving mechanism is arranged to control the external heating demisting mechanism to move so as to comprehensively heat and demist the front face of the mirror body.

Description

Technical Field

[0001] The invention relates to the technical field of bathroom mirrors, in particular to a bathroom mirror capable of detecting fogging and having an energy-saving heat exchange heating mechanism. Background Art

[0002] Heat exchange is the process of heat transfer between two objects or parts of the same object caused by temperature difference. Heat exchange is generally completed through three methods: heat conduction, heat convection and heat radiation. Heat exchange heating mechanisms are often used behind bathroom mirrors.

[0003] When the bathroom mirror is fogged, the heating mechanism can heat the bathroom mirror to eliminate the fog on the surface of the bathroom mirror, making it easier to use the bathroom mirror. However, the heat exchange heating mechanism currently used in bathroom mirrors is mostly set inside the bathroom mirror to heat the mirror body from the inside. This form leads to slow heating, and the edge of the bathroom mirror needs a long time to be heated for defogging. In addition, the existing heat exchange heating mechanism can only perform passive defogging but cannot actively dissipate hot air out of the vicinity of the bathroom mirror to avoid hot air contacting the cold mirror body and causing fogging. Therefore, the present invention proposes a bathroom mirror with an energy-saving heat exchange heating mechanism that can detect fogging to solve the shortcomings of the prior art. Summary of the invention

[0004] In view of the above problems, the purpose of the present invention is to provide a bathroom mirror with an energy-saving heat exchange heating mechanism that can detect fogging. By arranging an external heating and defogger mechanism on the front of the installation frame and cooperating with a mobile driving mechanism, the external heating and defogger mechanism can realize heating and defoggering from the front of the mirror body, and the second air hole on an external air outlet branch pipe of the external heating and defogger mechanism faces outward, and the hot and humid air close to the front of the mirror body can be blown away in the opposite direction, thereby realizing active defoggering. The setting of the mobile driving mechanism can control the external heating and defogger mechanism to move its position to realize comprehensive heating and defoggering of the front of the mirror body.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A bathroom mirror with an energy-saving heat exchange heating mechanism capable of detecting fogging, comprising a bathroom mirror body, the bathroom mirror body comprising a mounting frame, a mirror body and a back plate, the mounting frame having a front face provided with an embedded mounting groove, the mirror body being arranged in the embedded mounting groove, the mounting frame having a detachable back plate on the back face, a first groove being arranged above one side of the front face of the mounting frame, a fogging detection module being arranged in the first groove, a second groove being arranged below one side of the front face of the mounting frame, a control module being arranged in the second groove, the interior of the upper end of the mounting frame being a cavity structure, a movable groove being arranged at the top of the mounting frame and being connected to the cavity structure, a movable driving mechanism being arranged inside the cavity structure, an external heating and defogging mechanism being arranged at the front face of the mounting frame away from the first groove, the movable driving mechanism being connected to the external heating and defogging mechanism after extending out of the movable groove, an adjusting mechanism being arranged above an inner side wall of the back plate, a built-in heating and defogging mechanism being arranged below an inner side wall of the back plate, and the built-in heating and defogging mechanism being connected to the adjusting mechanism;

[0007] The built-in heating and demisting mechanism includes a first fan, a first heater and a built-in air duct assembly. The air outlet of the first fan is provided with a first heater, the air outlet of the first heater is provided with a built-in air duct assembly, and the built-in air duct assembly is connected to the adjustment mechanism.

[0008] A further improvement is that the built-in air duct assembly includes a built-in air outlet main pipe, a built-in air outlet branch pipe and a connecting hose. The air outlet of the first heater is provided with a built-in air outlet main pipe, the built-in air outlet main pipe is arranged horizontally, and a connecting port is provided on the top of the built-in air outlet main pipe. The connecting ports are arranged in five groups, and connecting hoses are provided on the five groups of connecting ports. One end of the connecting hose is connected to the built-in air outlet branch pipe, and the upper end of the built-in air outlet branch pipe is connected to the adjustment mechanism.

[0009] A further improvement is that after the mirror body is installed in the embedded mounting groove, the front side is flush with the front side of the mounting frame, fixing bolts are provided at the four corners of the back plate, fixing holes are provided at the four corners of the back side of the mounting frame, and the back plate is connected to the fixing holes on the back side of the mounting frame through the fixing bolts.

[0010] The further improvement is that the adjustment mechanism comprises a mounting groove body, a mounting plate, a vertical plate, an electric telescopic rod, a scissors-type telescopic arm, a center seat and a movable seat, a mounting groove body is provided above the inner side wall of the back plate, the bottom of the mounting groove body is an open structure, a mounting plate is provided inside the mounting groove body, a vertical plate is provided on the front side of the mounting plate, a center seat is provided on the mounting plate, slide grooves are provided on the mounting plates on both sides of the center seat, both groups of the slide grooves have movable seats, and the number of movable seats set on the two groups of the slide grooves is two, the center seat and the multiple movable seats are provided with shaft rods, the scissors-type telescopic arm is rotatably connected with the multiple shaft rods, a connecting plate is provided on the side wall of a group of movable seats close to the side of the vertical plate, an electric telescopic rod is provided on the vertical plate, the output end of the electric telescopic rod is connected to the connecting plate, and the upper end of the built-in air outlet branch pipe is respectively connected to the center seat and the lower end of the movable seat.

[0011] Further improvements are: the mobile drive mechanism includes a linear screw, an L-shaped moving block and a servo motor, a linear screw is rotatably provided inside the cavity structure, and a servo motor is provided inside the cavity structure, the linear screw is driven by the servo motor, an L-shaped moving block is slidably provided in the moving groove, one end of the L-shaped moving block is connected to the top of the external heating and defogger mechanism, and the lower end of the L-shaped moving block is threadedly connected to the linear screw.

[0012] Further improvements are: the external heating and defogger mechanism includes a hollow square tube, a second fan, a second heater and an external air duct assembly, the upper end of the hollow square tube is connected to the L-shaped moving block, the lower end of the hollow square tube is provided with a mounting shell, the mounting shell is provided with a second fan and a second heater, and the second heater is connected to the second fan, the hollow square tube is provided with an external air duct assembly, and the second heater is connected to the external air duct assembly.

[0013] A further improvement is that the external air duct assembly includes an external air outlet main pipe and an external air outlet branch pipe, the air outlet of the second heater is provided with an external air outlet main pipe, the hollow square tube is provided with an external air outlet branch pipe, and two groups of external air outlet branch pipes are provided, and the lower ends of the two groups of external air outlet branch pipes are connected to the external air outlet main pipe.

[0014] A further improvement is that first air holes are provided on the front and back of the hollow square tube, and second air holes matching the first air holes on the front and back of the hollow square tube are provided on the two groups of external air outlet main pipes respectively.

[0015] A further improvement is that a gap is formed between the inner side of the hollow square tube and the front side of the installation frame, and the width of the gap is 0.5-1 cm.

[0016] A further improvement is that a movable guide groove is provided above the front surface of the installation frame, a guide wheel is provided inside the upper end of the hollow square tube, and the guide wheel is rollingly connected to the movable guide groove.

[0017] The beneficial effects of the present invention are as follows: by arranging an external heating and defogger mechanism on the front side of the installation frame and cooperating with the mobile driving mechanism, the external heating and defogger mechanism can realize heating and defoggering from the front side of the mirror body, and the second wind hole on an external air outlet branch pipe of the external heating and defogger mechanism faces outward, and the hot and humid air close to the front side of the mirror body can be blown away in the opposite direction, thereby realizing active defoggering, and the setting of the mobile driving mechanism can control the external heating and defogger mechanism to move the position to realize comprehensive heating and defoggering of the front side of the mirror body; the built-in heating and defogger mechanism of the present invention is connected with the adjusting mechanism, and the spacing of the five groups of built-in air outlet branches of the built-in heating and defogger mechanism can be adjusted through the adjusting mechanism. After the five groups of built-in air outlet branches are dispersed, the mirror body can be fully heated from the inside of the mirror body. When the five groups of built-in air outlet branches are concentrated close together, the center position of the mirror body can be quickly heated, thereby accelerating the defoggering efficiency of the mirror body. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure appearance of the present invention;

[0019] Figure 2 It is a schematic diagram of the structural disassembly of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the mobile driving mechanism of the present invention;

[0021] Figure 4 This is a schematic diagram of the appearance structure of the external heating and demisting mechanism of the present invention;

[0022] Figure 5 This is a schematic diagram of the installation structure of the external air duct assembly of the present invention;

[0023] Figure 6 It is a schematic diagram of the structure of the regulating mechanism of the present invention;

[0024] Figure 7 For the present invention Figure 1 A schematic diagram of the enlarged structure in the middle.

[0025] Among them: 1. Installation frame; 2. Mirror body; 3. Back plate; 4. Fogging detection module; 5. Control module; 6. Moving slot; 7. Moving drive mechanism; 701. Linear screw; 702. L-shaped moving block; 703. Servo motor; 8. External heating and defogging mechanism; 801. Hollow square tube; 802. Second fan; 803. Second heater; 804. External air outlet main pipe; 805. External air outlet branch pipe; 806. First air hole; 807. Second air hole; 808, mounting shell; 9, adjusting mechanism; 901, mounting trough; 902, mounting plate; 903, vertical plate; 904, electric telescopic rod; 905, scissor-type telescopic arm; 906, center seat; 907, movable seat; 908, slide groove; 909, shaft rod; 10, first fan; 11, first heater; 12, built-in air outlet main pipe; 13, built-in air outlet branch pipe; 14, connecting hose; 15, fixing bolt; 16, movable guide groove; 17, guide wheel. DETAILED DESCRIPTION

[0026] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0027] according to Figure 1-7 As shown, the present embodiment proposes a bathroom mirror with an energy-saving heat exchange heating mechanism capable of detecting fogging, comprising a bathroom mirror body, the bathroom mirror body comprising a mounting frame 1, a mirror body 2 and a back plate 3, the mounting frame 1 having an embedded mounting groove on the front side, the mirror body 2 being arranged in the embedded mounting groove, the mounting frame 1 having a detachable back plate 3 on the back side, a first groove being arranged on the upper side of the front side of the mounting frame 1, a fogging detection module 4 being arranged in the first groove, a second groove being arranged on the lower side of the front side of the mounting frame 1, a control module 5 being arranged in the second groove, the upper end of the mounting frame 1 having a cavity structure, a movable groove 6 communicating with the cavity structure being arranged on the top of the mounting frame 1, a movable driving mechanism 7 being arranged inside the cavity structure, an external heating and defogging mechanism 8 being arranged on the front side of the mounting frame 1 away from the first groove, the movable driving mechanism 7 being connected to the external heating and defogging mechanism 8 after extending out of the movable groove 6, an adjusting mechanism 9 being arranged on the upper side of the inner side wall of the back plate 3, a built-in heating and defogging mechanism being arranged on the lower side of the inner side wall of the back plate 3, and the built-in heating and defogging mechanism being connected to the adjusting mechanism 9;

[0028] The built-in heating and defogger mechanism includes a first fan 10, a first heater 11 and a built-in air duct assembly. The first fan 10 is provided with a first heater 11 at the air outlet, and the first heater 11 is provided with a built-in air duct assembly at the air outlet. The built-in air duct assembly is connected to the adjustment mechanism 9.

[0029] The bathroom mirror with energy-saving heat exchange heating mechanism capable of detecting fogging of the present invention detects mirror fogging through a fogging detection module 4. Specifically, the fogging detection module 4 may be a humidity sensor. When the fogging detection module 4 is a humidity sensor, the humidity change near the bathroom mirror body is detected, and a detection signal is sent to the control module 5. The control module 5 controls the mobile drive mechanism 7, the external heating and defogging mechanism 8, the internal heating and defogging mechanism, and the adjustment mechanism 9 to perform corresponding actions, thereby realizing the heating and defogging operation from the front and back of the mirror body 2 simultaneously. Specifically, the bathroom mirror of the present invention can also realize the use of the control module 5 to individually control the external heating and defogging mechanism 8 or the internal heating and defogging mechanism for individual heating according to the detection value of the fogging detection module 4, and realize the synchronous control of the external heating and defogging mechanism 8 and the internal heating and defogging mechanism for synchronous heating and defogging. When the built-in heating and defogger mechanism is used for heating and defogger, the first fan 10 is started, and the wind is heated by the first heater 11 and enters the built-in air duct assembly, and then the exhaust air is heated from the back of the mirror body 2. If all-round heating is performed during the process, the built-in air outlet branch pipe 13 of the built-in air duct assembly can be controlled by the adjustment mechanism 9 to adjust the position, so as to achieve complete heating of the mirror body 2.

[0030] The built-in air duct assembly includes a built-in air outlet main pipe 12, a built-in air outlet branch pipe 13 and a connecting hose 14. The built-in air outlet main pipe 12 is provided on the air outlet of the first heater 11. The built-in air outlet main pipe 12 is arranged horizontally, and a connecting port is provided on the top of the built-in air outlet main pipe 12. The connecting ports are arranged in five groups, and the five groups of connecting ports are all provided with a connecting hose 14. One end of the connecting hose 14 is connected to the built-in air outlet branch pipe 13, and the upper end of the built-in air outlet branch pipe 13 is connected to the regulating mechanism 9. Specifically, after the first fan 10 and the first heater 11 are started, the hot air enters the built-in air outlet main pipe 12, and then disperses to the built-in air outlet branch pipe 13 through the connecting hose 14 for air outlet heating.

[0031] After the mirror body 2 is installed in the embedded installation groove, the front side is flush with the front side of the installation frame 1, the back plate 3 is provided with fixing bolts 15 at the four corners, and the back side of the installation frame 1 is provided with fixing holes at the four corners. The back plate 3 is connected to the fixing holes on the back side of the installation frame 1 through the fixing bolts 15.

[0032] The adjusting mechanism 9 comprises a mounting groove 901, a mounting plate 902, a vertical plate 903, an electric telescopic rod 904, a scissor-type telescopic arm 905, a central seat 906 and a movable seat 907. A mounting groove 901 is provided above the inner wall of the back plate 3. The bottom of the mounting groove 901 is an open structure. A mounting plate 902 is provided inside the mounting groove 901. A vertical plate 903 is provided on the front side of the mounting plate 902. A central seat 906 is provided on the mounting plate 902. Slide grooves 908 are provided on the mounting plates 902 on both sides of the central seat 906. The two groups of slide grooves 9 08, and the number of movable seats 907 set on the two groups of slide slots 908 is two, the central seat 906 and the plurality of movable seats 907 are each provided with shafts 909, the scissor-type telescopic arms 905 are rotatably connected with the plurality of shafts 909, a connecting plate is provided on the side wall of a group of movable seats 907 close to the side of the vertical plate 903, an electric telescopic rod 904 is provided on the vertical plate 903, the output end of the electric telescopic rod 904 is connected with the connecting plate, and the upper end of the built-in air outlet branch pipe 13 is respectively connected with the central seat 906 and the lower end of the movable seat 907. When the adjustment mechanism 9 controls the movement of the built-in air outlet branch pipe 13, the electric telescopic rod 904 telescopes to control the deformation of the scissor-type telescopic arms 905, and then drives the movable seat 907 to move relative to the central seat 906 on the slide slot 908, and then the built-in air outlet branch pipe 13 installed at the lower end of the central seat 906 and the movable seat 907 changes its position.

[0033] The mobile drive mechanism 7 includes a linear screw 701, an L-shaped moving block 702 and a servo motor 703. The linear screw 701 is rotatably provided inside the cavity structure, and the servo motor 703 is provided inside the cavity structure. The linear screw 701 is driven by the servo motor 703. The L-shaped moving block 702 is slidably provided in the moving groove 6. One end of the L-shaped moving block 702 is connected to the top of the external heating and defogging mechanism 8, and the lower end of the L-shaped moving block 702 is threadedly connected to the linear screw 701. When the mobile drive mechanism 7 controls the external heating and defogging mechanism 8 to move its position, the servo motor 703 is started and drives the linear screw 701 to rotate, so that the L-shaped moving block 702 slidably connected to the moving groove 6 moves on the linear screw 701. At this time, the external heating and defogging mechanism 8 connected to the L-shaped moving block 702 will also move its position.

[0034] The external heating and demisting mechanism 8 includes a hollow square tube 801, a second fan 802, a second heater 803 and an external air duct assembly. The upper end of the hollow square tube 801 is connected to the L-shaped moving block 702. The lower end of the hollow square tube 801 is provided with a mounting shell 808. The second fan 802 and the second heater 803 are arranged inside the mounting shell 808, and the second heater 803 is connected to the second fan 802. The hollow square tube 801 is provided with an external air duct assembly, and the second heater 803 is connected to the external air duct assembly. The external air duct assembly includes an external air outlet main pipe 804 and an external air outlet branch pipe 805. The air outlet of the second heater 803 is provided with an external air outlet main pipe 804. The hollow square tube 801 is provided with an external air outlet branch pipe 805. The external air outlet branch pipe 805 is provided in two groups. The lower ends of the two groups of external air outlet branch pipes 805 are both connected to the external air outlet main pipe 804. The front and back of the hollow square tube 801 are both provided with first air holes 806, and the two groups of external air outlet main pipes 804 are respectively provided with second air holes 807 adapted to the first air holes 806 on the front and back of the hollow square tube 801. When the external heating and defogging mechanism 8 is in operation, after the second fan 802 and the second heater 803 are started, the hot air enters the external air outlet main pipe 804 of the external air duct assembly, and then enters the two external air outlet branch pipes 805 respectively, and finally the front external air outlet branch pipe 805 discharges the hot air from the first air hole 806 on the front of the hollow square tube 801 through the second air hole 807, and the air outlet can blow back the hot and humid air close to the mirror body 2 to prevent the hot and humid air from contacting the mirror body 2 to generate fog, and the second air hole 807 of the rear external air outlet branch pipe 805 discharges the hot air from the first air hole 806 on the back of the hollow square tube 801, and the air outlet can heat and defog the existing fog on the front of the mirror body 2.

[0035] A gap is formed between the inner side of the hollow square tube 801 and the front side of the installation frame 1, and the width of the gap is 0.5-1 cm. A moving guide groove 16 is provided above the front side of the installation frame 1, and a guide wheel 17 is provided inside the upper end of the hollow square tube 801, and the guide wheel 17 is rollingly connected with the moving guide groove 16. By setting the gap and setting the guide wheel 17 to cooperate with the moving guide groove 16, the moving stability of the hollow square tube 801 can be improved.

[0036] The present invention arranges an external heating and demisting mechanism 8 on the front of the mounting frame 1 and cooperates with the mobile driving mechanism 7. The external heating and demisting mechanism 8 can realize heating and demisting from the front of the mirror body 2, and the second wind hole 807 on an external air outlet branch pipe 805 of the external heating and demisting mechanism 8 faces outward, and can blow away the hot and humid air close to the front of the mirror body 2 in the opposite direction, thereby realizing active demisting. The setting of the mobile driving mechanism 7 can control the external heating and demisting mechanism 8 to move its position to realize comprehensive heating and demisting of the front of the mirror body 2; the built-in heating and demisting mechanism of the present invention is connected with the adjusting mechanism 9, and the five groups of built-in air outlet branch pipes 13 of the built-in heating and demisting mechanism can be adjusted in spacing through the adjusting mechanism 9. After the five groups of built-in air outlet branch pipes 13 are dispersed, the mirror body 2 can be fully heated from the inside of the mirror body 2. When the five groups of built-in air outlet branch pipes 13 are concentrated and close together, the center position of the mirror body 2 can be quickly heated, thereby accelerating the demisting efficiency of the mirror body 2.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A bathroom mirror with a fogging detection function and an energy-saving heat exchange heating mechanism, comprising a bathroom mirror body, characterized in that: The bathroom mirror body comprises a mounting frame (1), a mirror body (2) and a back plate (3); the mounting frame (1) is provided with an embedded mounting groove on the front side, the mirror body (2) is arranged in the embedded mounting groove, the mounting frame (1) is provided with a detachable back plate (3) on the back side, a first groove is provided on the upper side of the front side of the mounting frame (1), a fogging detection module (4) is arranged in the first groove, a second groove is provided on the lower side of the front side of the mounting frame (1), a control module (5) is arranged in the second groove, and the upper end of the mounting frame (1) is a cavity structure. The top of the installation frame (1) is provided with a movable groove (6) connected to the cavity structure, the cavity structure is provided with a movable driving mechanism (7), the front of the installation frame (1) away from the first groove is provided with an external heating and demisting mechanism (8), the movable driving mechanism (7) is connected to the external heating and demisting mechanism (8) after extending out of the movable groove (6), the upper part of the inner side wall of the back plate (3) is provided with an adjusting mechanism (9), the lower part of the inner side wall of the back plate (3) is provided with a built-in heating and demisting mechanism, and the built-in heating and demisting mechanism is connected to the adjusting mechanism (9); The built-in heating and demisting mechanism comprises a first fan (10), a first heater (11) and a built-in air duct assembly, wherein the first fan (10) is provided with the first heater (11) at the air outlet, the first heater (11) is provided with the built-in air duct assembly at the air outlet, and the built-in air duct assembly is connected to the regulating mechanism (9).

2. A bathroom mirror with a fogging-detectable and energy-saving heat exchange heating mechanism according to claim 1, characterized in that: The built-in air duct assembly comprises a built-in air outlet main pipe (12), a built-in air outlet branch pipe (13) and a connecting hose (14); the built-in air outlet main pipe (12) is provided on the air outlet of the first heater (11); the built-in air outlet main pipe (12) is arranged horizontally, and a connecting port is provided on the top of the built-in air outlet main pipe (12); the connecting ports are arranged in five groups, and each of the five groups of connecting ports is provided with a connecting hose (14); one end of the connecting hose (14) is connected to the built-in air outlet branch pipe (13); the upper end of the built-in air outlet branch pipe (13) is connected to the adjustment mechanism (9).

3. A bathroom mirror with a fogging-detectable and energy-saving heat exchange heating mechanism according to claim 1, characterized in that: After the mirror body (2) is installed in the embedded installation groove, the front side is flush with the front side of the installation frame (1); fixing bolts (15) are provided at the four corners of the back plate (3); fixing holes are provided at the four corners of the back side of the installation frame (1); and the back plate (3) is connected to the fixing holes on the back side of the installation frame (1) through the fixing bolts (15).

4. A bathroom mirror with a fogging-detectable and energy-saving heat exchange heating mechanism according to claim 2, characterized in that: The adjustment mechanism (9) comprises a mounting groove (901), a mounting plate (902), a vertical plate (903), an electric telescopic rod (904), a scissor-type telescopic arm (905), a central seat (906) and a movable seat (907); a mounting groove (901) is provided above the inner wall of the back plate (3); the bottom of the mounting groove (901) is an open structure; a mounting plate (902) is provided inside the mounting groove (901); a vertical plate (903) is provided on the front side of the mounting plate (902); a central seat (906) is provided on the mounting plate (902); sliding grooves (908) are provided on the mounting plates (902) on both sides of the central seat (906); the two groups of the mounting plates (902) are provided with a plurality of movable seats (907); There are movable seats (907) on the slide grooves (908), and the number of movable seats (907) set on the two groups of slide grooves (908) is two, the central seat (906) and the multiple movable seats (907) are each provided with an axle rod (909), the scissor-type telescopic arm (905) is rotatably connected to the multiple axle rods (909), a connecting plate is provided on the side wall of a group of movable seats (907) close to the side of the vertical plate (903), an electric telescopic rod (904) is provided on the vertical plate (903), the output end of the electric telescopic rod (904) is connected to the connecting plate, and the upper end of the built-in air outlet branch pipe (13) is respectively connected to the lower end of the central seat (906) and the movable seat (907).

5. A bathroom mirror with a fogging-detectable and energy-saving heat exchange heating mechanism according to claim 1, characterized in that: The moving drive mechanism (7) comprises a linear screw (701), an L-shaped moving block (702) and a servo motor (703); the linear screw (701) is rotatably arranged inside the cavity structure, and the servo motor (703) is arranged inside the cavity structure; the linear screw (701) is driven by the servo motor (703); an L-shaped moving block (702) is slidably arranged inside the moving groove (6); one end of the L-shaped moving block (702) is connected to the top of the external heating and demisting mechanism (8), and the lower end of the L-shaped moving block (702) is threadedly connected to the linear screw (701).

6. A bathroom mirror with a fogging-detectable and energy-saving heat exchange heating mechanism according to claim 5, characterized in that: The external heating and demisting mechanism (8) comprises a hollow square tube (801), a second fan (802), a second heater (803) and an external air duct assembly. The upper end of the hollow square tube (801) is connected to the L-shaped moving block (702). The lower end of the hollow square tube (801) is provided with a mounting shell (808). The mounting shell (808) is provided with a second fan (802) and a second heater (803), and the second heater (803) is connected to the second fan (802). The hollow square tube (801) is provided with an external air duct assembly, and the second heater (803) is connected to the external air duct assembly.

7. A bathroom mirror with a fogging-detectable and energy-saving heat exchange heating mechanism according to claim 6, characterized in that: The external air duct assembly comprises an external air outlet main pipe (804) and an external air outlet branch pipe (805); the air outlet of the second heater (803) is provided with an external air outlet main pipe (804); the hollow square tube (801) is provided with an external air outlet branch pipe (805); two groups of the external air outlet branch pipes (805) are provided, and the lower ends of the two groups of the external air outlet branch pipes (805) are connected to the external air outlet main pipe (804).

8. A bathroom mirror with a fogging-detectable and energy-saving heat exchange heating mechanism according to claim 7, characterized in that: The front and back sides of the hollow square tube (801) are both provided with first air holes (806), and the two groups of external air outlet main pipes (804) are respectively provided with second air holes (807) adapted to the first air holes (806) on the front and back sides of the hollow square tube (801).

9. A bathroom mirror with a fogging detectable structure and an energy-saving heat exchange heating mechanism according to claim 6, characterized in that: A gap is formed between the inner side of the hollow square tube (801) and the front side of the installation frame (1), and the width of the gap is 0.5-1 cm.

10. A bathroom mirror with a fogging detectable structure and an energy-saving heat exchange heating mechanism according to claim 9, characterized in that: A movable guide groove (16) is provided above the front surface of the installation frame (1), and a guide wheel (17) is provided on the inner side of the upper end of the hollow square tube (801), and the guide wheel (17) is rollingly connected to the movable guide groove (16).

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