CN217086024U - Magnetic attraction display device, magnetic attraction fixing device and wall-hung type controller - Google Patents

Abstract

The utility model discloses a magnetism is inhaled display device, magnetism and is inhaled fixing device and wall-hung type controller, magnetism is inhaled display device and is included at least one first magnetism and inhale body, casing, panel, PCB board subassembly and soft external connection or easy grafting interface, casing first side is equipped with at least one magnet setting part, its second side is equipped with magnetism and inhales the face, magnet setting part is used for setting up first magnetism and inhales the face, magnetism is inhaled the face and is used for magnetism to inhale and connect another second magnetism with the opposite polarity of first magnetism and inhale the body; compared with the prior art, the utility model discloses a magnetism is inhaled display device, the magnetism of casing is inhaled the position that corresponds with first magnetism on the face and can be inhaled the body magnetism with the second magnetism on the fixing device and be connected, can make magnetism inhale display device and fixing device magnetism and inhale and be connected, inhale the body magnetism with the second magnetism and inhale and be connected the back at first magnetism, the installer need not difficultly inhale the junction location of magnetism display device and fixing device to magnetism, can easily carry out further fixed, high durability and convenient operation, the location is accurate to dismouting when conveniently overhauing.

Description

Magnetic attraction display device, magnetic attraction fixing device and wall-hung type controller

Technical Field

The utility model relates to a wall-hung controller technical field specifically relates to a display device is inhaled to magnetism, fixing device and wall-hung controller are inhaled to magnetism.

Background

Along with the improvement of standard of living, the intelligent product in people's daily life is more and more, intelligent control ware appears in people's life as using more general intelligent product, give people's daily life and bring a lot of facilities, intelligent control ware is according to user's user demand, can set up in user's sitting room or door department, the controller that sets up in user's sitting room is used for showing indoor air temperature, humidity, carbon dioxide content etc. so that let the user in time know indoor air quality, the controller convenience of customers who sets up in door department knows the condition of visiting and when unusual circumstances, for user's early warning. However, the controller, whether it is a controller installed in a living room or at a door opening of a room, is installed on a wall surface, the controller usually includes a fixing device and a display device, when the controller is installed, the fixing device needs to be installed on the wall surface first, usually for beauty, the fixing device is embedded in the wall surface, after the fixing device is embedded in the wall surface, the display device is installed on the fixing device, usually, the display device includes a housing, a PCB board and a panel, before the display device is connected with the fixing device, an installer needs to connect the housing of the display device with the fixing device, the panel is connected to the housing, the PCB board is disposed between the panel and the housing, and the PCB board and other electric devices in the housing need to pass through the fixing device to be connected with circuits in the wall body; because the PCB board is equipped with a lot of terminal, chip, socket etc. and installer's technical literacy is lower, only can mechanical installation to the mounted position of controller is usually higher, and in installer installation, casing, PCB board and panel all are vertical setting, if the counterpoint is inaccurate, will hardly assemble in place.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a display device is inhaled to magnetism, fixing device and wall-hung type controller are inhaled to magnetism, and it is used for solving above-mentioned technical problem.

A magnetically attractive display device, comprising:

at least one first magnetic attraction body;

the magnetic device comprises a shell, a first magnetic body, a second magnetic body, a first magnetic body and a second magnetic body, wherein the first side of the shell is provided with at least one magnetic body setting part, the second side of the shell is provided with a magnetic attraction surface, the magnetic body setting part is used for setting the first magnetic body, and the magnetic attraction surface is used for magnetically connecting the second magnetic body with the polarity opposite to that of the first magnetic body;

the panel is arranged on the first side of the shell, an accommodating cavity is arranged between the panel and the shell, and the panel is provided with a display part and an input part;

the PCB assembly is arranged in the accommodating cavity between the panel and the shell and is electrically connected with the panel;

the flexible external wire or the easy-plugging interface is connected with the signal wire, and the flexible external wire or the signal wire connected with the easy-plugging interface is thrown out of the structure body formed by the shell and the panel through the wire passing hole on the shell.

According to the utility model discloses an embodiment, PCB board subassembly and the magnetism of first magnetism suction body inhale the direction and form the structure of stepping down, the structure of stepping down is used for dodging the magnet and sets up the portion.

According to the utility model discloses an embodiment, the holding intracavity is equipped with location structure for to PCB board subassembly location, location structure includes the draw-in groove that corresponds PCB board subassembly one side and the elasticity casting die of the opposite side that corresponds PCB board subassembly, and the elasticity casting die can be elastic break off with the fingers and thumb, and the draw-in groove is placed PCB board subassembly and is corresponded the limit and take one's place the back, thereby elasticity casting die elasticity resets the crimping on PCB board subassembly.

According to the utility model discloses an embodiment, last structure of stepping down of PCB board subassembly includes first hypotenuse and vacancy and second hypotenuse, and first hypotenuse inclines to the central line of PCB board subassembly, and the vacancy is connected in the inner of first hypotenuse and is inhaled the direction with the magnetism of the first magnetism that corresponds and correspond, and the second hypotenuse is symmetrical in the setting of first hypotenuse along the central line of first magnetism.

According to an embodiment of the present invention, the panel is a display screen, and includes a display area and an input area, wherein the display area displays the temperature detection value and/or the temperature setting value; the display area is positioned at the upper part, and the input area is positioned at the lower part; or the display area and the input area are overlapped to form a touch display screen, and a magnetic metal surface is arranged on the back surface of the display screen.

According to the utility model discloses an embodiment still includes the PCB board mount, and the one side of PCB board mount towards casing first side is equipped with the position that sets up that corresponds with magnet setting portion, is connected the back at the first side of PCB board mount and casing, is formed with the holding chamber between casing and the PCB board mount, and the PCB board subassembly is located the holding intracavity and is connected with the PCB board mount.

The utility model provides a fixing device is inhaled to magnetism, includes the box body of crossing the line hole, and the box body is used for setting up in the wall body, and the outer terminal surface of box body is provided with magnetism and inhales the fixed part, inhales to be provided with second magnetism in the fixed part to inhale, and second magnetism is inhaled the body and is used for magnetism to inhale and connect foretell magnetism and inhale display device, inhales the fixed part and inhales the body with the second magnetism and passes through magnetic attraction and be connected, or magnetism inhales the fixed part and inhale the body with the second magnetism and pass through structure fixed connection.

According to the utility model discloses an embodiment still includes the mounting panel, and the mounting panel is connected with the outer terminal surface of box body, and magnetism is inhaled the fixed part and is located on the mounting panel.

A wall-hung type controller comprises the magnetic attraction display device, the magnetic attraction surface of the shell is connected with the magnetic attraction fixing device, and the magnetic attraction display device is connected with the magnetic attraction fixing device in a magnetic attraction mode and electrically connected with the magnetic attraction fixing device.

According to the utility model discloses an embodiment, the second side of casing is the installation face, and the middle part of installation face is formed with the bulge, and the bulge inserts the opening of box body to be located the box body.

Compared with the prior art, the utility model discloses a magnetism is inhaled display device, because the existence of magnetic attraction, the position that corresponds with first magnetism on the magnetism face of inhaling of casing can be inhaled with the second magnetism on the fixing device magnetism and be connected, can make magnetism inhale display device and fixing device magnetism and inhale and be connected, inhale the magnetism with the second magnetism and be connected the back at first magnetism, the installer can not need difficultly inhale display device and fixing device's junction location to magnetism, can relax carry out further fixed, high durability and convenient operation, the location is accurate, and the dismouting when conveniently overhauing.

Drawings

FIG. 1 is an exploded view of a magnetic display device;

FIG. 2 is an exploded view of the magnetic attachment device;

FIG. 3 is an exploded view of a wall-mountable controller with a magnetically attached display device and a magnetically attached mounting device;

FIG. 4 is an exploded view of the wall-hung controller with a magnetic display device and a magnetic fixing device in another direction;

FIG. 5 is a perspective view of a wall-mountable controller having a magnetically attractive display device and a magnetically attractive mounting device mounted to a wall surface;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 6;

FIG. 8 is an exploded view of a PCB board assembly;

FIG. 9 is a front view of a PCB board assembly;

FIG. 10 is a cross-sectional view taken along line C-C of FIG. 9;

FIG. 11 is an enlarged view of a portion D of FIG. 10;

in the figure: 1. the magnetic storage device comprises a first magnetic suction body, a shell, a magnet arrangement part, a magnetic metal surface, a PCB assembly, a first PCB, a functional module 411, a WiFi module 4111, a buckle 23, a first through hole 24, a second through hole 25, a panel 3, a magnetic metal surface 31, a PCB assembly 4, a PCB assembly 41, a first PCB, a functional module 411, a WiFi module 4111, a DC power interface 4112, a data transmission interface 4113, a WiFi + BT module group 4114, a card seat 4115, a avoidance groove 412, an elastic conductive part 413, an avoidance part 414, an avoidance part 4141, a first bevel edge 4142, a vacancy 42, a second PCB, a signal module 421, a signal module 4211, a CPU 4212, a memory flash memory chip 4213, a power management IC chip 4214, a memory IC chip 422, a frame 4221, a through hole 423, a partition frame 43, a metal shielding cover 431, a convex bag 5, a magnetic suction fixing device, a box body 51, 511, a fixing column, a fixing part 521, a mounting plate 521, a magnetic suction fixing part 521, a mounting plate and a second magnetic suction device, 6, PCB board fixing frame, 61 setting position, 62 clamping groove, 63 elastic pressing piece, 64 second bevel edge, 65 clamping groove, 66 concave position, 7 second magnetic attraction body

The utility model discloses realization and the advantage of function will combine the embodiment, will make further explanation with the attached drawing.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators (such as upper, lower, left and right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

For a further understanding of the contents, features and effects of the present invention, the following embodiments will be illustrated in detail in conjunction with the accompanying drawings:

the magnetic display device of the embodiment is designed and developed for the convenience of assembling the display device and the fixing device together by an installer. Referring to fig. 1, the magnetic attraction display device includes at least one first magnetic attraction body 1, a housing 2, a panel 3, a PCB board assembly 4 and a flexible external wire or an easy-to-plug interface, wherein a first side of the housing 2 is provided with at least one magnet setting part 21, a second side of the housing 2 is provided with a magnetic attraction surface, the magnet setting part 21 is used for setting the first magnetic attraction body 1, and the magnetic attraction surface is used for magnetically connecting another second magnetic attraction body 7 with a polarity opposite to that of the first magnetic attraction body 1; the panel 3 is arranged on the first side of the shell 2, an accommodating cavity is arranged between the panel 3 and the shell 2, and the panel 3 is provided with a display part and an input part; the PCB assembly 4 is arranged in the accommodating cavity between the panel 3 and the shell 2, and the PCB assembly 4 is electrically connected with the panel 3; the flexible external wires or the signal wires connected with the easy-to-plug interface are thrown out of the structure body enclosed by the shell 2 and the panel 3 through the wire passing holes on the shell 2. That is, when assembling the magnetic attraction display device, the first magnetic attraction body 1 is first installed in the magnet installation part 21 of the housing 2, the first end of the first magnetic attraction body 1 is flush with the end of the magnet installation part 21 close to the panel, the second end of the first magnetic attraction body 1 is flush with the magnetic attraction surface, one side of the panel 3 facing the housing 2 is called the second side of the panel 3, the side of the panel 3 away from the housing 2 is the first side of the panel 3, the first side of the panel 3 faces the user, the first side is provided with a display part and an input part, so that the user can conveniently input instructions through the input part and observe results through the display part, the second side of the panel 3 is used for connecting with the housing 2, the second side of the panel 3 is provided with a strong double-sided adhesive tape along the edge of the panel 3, after placing the PCB assembly 4 on the first side of the housing 2, the signal line on the PCB assembly 4 or the signal line connected with the easy-plugging interface is thrown out of the housing 2 through the wire passing hole on the housing 2, then throw away casing 2 with the line hole of crossing on the soft external connection process casing 2 on the panel 3, later be connected the second side of panel 3 with the first side of casing 2, make the powerful double-sided adhesive of panel 3 second side paste the first side at casing 2 to make panel 3 link together with casing 2, when panel 3 is connected with casing 2, earlier install PCB board subassembly 4 in the holding intracavity between panel 3 and casing 2, just so accomplished magnetism and inhaled display device's equipment. In the assembled magnetic attraction display device, the magnetic attraction surface at the second side of the shell 2 has magnetic attraction force due to the existence of the first magnetic attraction body 1, when the fixing device is provided with the second magnetic attraction body 7 with the polarity opposite to that of the first magnetic attraction body 1, the soft external line of the PCB board assembly 4 or the signal line connected with the easy-to-plug interface and the soft external line of the panel 3 are connected with the circuit in the wall body after passing through the fixing device, and then the magnetic attraction surface of the shell 2 of the magnetic attraction display device is aligned with the fixing device, because of the existence of the magnetic attraction force, the position corresponding to the first magnetic attraction body 1 on the magnetic attraction surface of the shell 2 can be magnetically attracted with the second magnetic attraction body 7 on the fixing device, so that the magnetic attraction display device can be magnetically attracted with the fixing device, after the magnetic attraction connection of the first magnetic attraction body 1 and the second magnetic attraction body 7, an installer can position the connection of the magnetic attraction display device and the fixing device without taking effort, can be relaxed carry out further fixed, convenient operation fixes a position accurately to dismouting when conveniently overhauing.

Referring to fig. 1, in the present embodiment, a panel 3 is a display screen, and includes a display area and an input area, where the display area displays a temperature detection value and/or a temperature setting value; the display area is positioned at the upper part, and the input area is positioned at the lower part; or the display area and the input area are overlapped to form a touch display screen, and the back surface of the display screen is provided with a magnetic metal surface 31. That is, since the first magnetic attraction body 1 has magnetic attraction forces at the end of the first side of the housing 2 and the end of the second side of the housing 2, and the magnetic attraction force at the end of the second side of the housing 2 is used to magnetically attach the magnetic display device to the fixing device, so as not to waste the magnetic attraction force at the end of the first magnetic attraction body 1 at the first side of the housing 2, the second side of the panel 3 is provided with the magnetic metal surface 31, the strong double-sided adhesive tape at the second side of the panel 3 is disposed around the magnetic metal surface 31, when the panel 3 is attached to the first side of the housing 2, the end of the first magnetic attraction body 1 at the first side of the housing 2 is magnetically attached to the magnetic metal surface 31 at the second side of the panel 3, which can increase the firmness of the attachment of the panel 3 to the housing 2, and at the same time, the magnetic metal surface 31 at the second side of the panel 3 is magnetically attached to the end of the first magnetic attraction body 1 at the first side of the housing 2, the interference of the magnetic attraction force of the first magnetic attraction body 1 at the end of the first side of the shell 2 on the signals of the display part and the input part of the panel 3 can be reduced. When the magnetic panel is used specifically, the shell 2 is provided with four magnet arranging parts 21, each magnet arranging part 21 is internally provided with one first magnetic suction body 1, the connecting lines of the four first magnetic suction bodies 1 form a magnetic suction surface, and the projection of the geometric center of the panel 3 on a vertical plane is positioned in the magnetic suction surface; when the panel 3 is connected to the housing 2, the first magnetic attraction bodies 1 in the four magnet installation parts 21 are located at the first side of the housing 2 and magnetically attract and connect the magnetic metal surface 31 at the second side of the panel 3, so that the stress on the panel 3 is uniform, and the connection between the panel 3 and the housing 2 is firmer. In addition, when casing 2 and panel 3 are connected, PCB board subassembly 4 is fixed in the holding intracavity between panel 3 and casing 2, when first magnetism 1 produces the magnetic attraction that one pulled panel 3 to casing 2 to panel 3, for the power that makes panel 3 use on PCB board subassembly 4 even, the projection of PCB board subassembly 4 at vertical plane is located the magnetic attraction face.

Referring to fig. 8, the PCB assembly 4 includes a first PCB 41, a second PCB 42 and a metal shielding cover 43, a functional module 411 is disposed on the first PCB 41, the functional module 411 includes one or more of a WiFi module 4111, a DC power interface 4112, a data transmission interface 4113, a WiFi + BT module group 4114 and a card socket 4115, and the card socket 4115 is used for mounting a GSM and/or SIM card; the second PCB 42 is disposed on the first PCB 41 and located at a side of the first PCB where the functional module 411 is disposed, and a signal module 421 is disposed at a side of the second PCB away from the first PCB 41; the metal shielding cover 43 is connected to the second PCB 42 for reducing the interference of the magnetic attraction force to the signal module 421 on the second PCB 42. The functional module 411 and the signal module 421 of the PCB assembly of this embodiment are respectively located on first PCB 41 and second PCB 42, when the PCB assembly is used for magnetism to inhale display device, the metal shielding cover 43 covers the signal module 421 on the second PCB 42 and locates in it, the metal shielding cover 43 can produce magnetic attraction with first magnetism suction body 1, in order to shield magnetic attraction to the signal module that the cover was located in it, reduce the interference of the magnetic attraction of first magnetism suction body 1 to the signal module 421 on the second PCB 42, make the signal of signal module 421 stable.

Referring to fig. 8 and 9, in the present embodiment, an avoiding groove 412 is formed on the first PCB 41, the avoiding groove 412 is located in the middle of the first PCB 41 and penetrates through the first PCB 41, and the second PCB 42 is aligned with the avoiding groove 412 and covers the avoiding groove 412. For clarity, the side of the first PCB 41 where the functional module 411 is disposed is referred to as a first side of the first PCB 41, and the other side is referred to as a second side of the first PCB 41, the side of the second PCB 42 where the signal module 421 is disposed is referred to as a first side of the second PCB 42, and the other side is referred to as a second side of the second PCB 42, so that the second side of the second PCB 42 is soldered to the first side of the first PCB 41, and the avoiding groove 412 exposes the second side of the second PCB 42, thereby not only exposing the pins on the second side of the second PCB 42 from the avoiding groove 412, but also avoiding overlapping and abutting of the pins on the first PCB 41 and the pins on the second PCB 42, and avoiding short circuit.

Referring to fig. 8, in the present embodiment, a frame 422 is disposed on a side of the second PCB 42 away from the first PCB 41, the signal module 421 is disposed in the frame 422, the frame 422 is adapted to the metal shielding cover 43, and when the metal shielding cover 43 is connected to the second PCB 42, the frame 422 is disposed therein. The metal shielding cover 43 is sleeved on the frame 422, so that the metal shielding cover 43 is detachably connected with the frame 422, and a circuit of the signal module 421 covered by the metal shielding cover 43 is convenient to overhaul.

Referring to fig. 8 to 11, in the present embodiment, a plurality of protrusions 431 are uniformly distributed on an inner wall of the metal shielding cover 43, a plurality of through holes 4221 are uniformly distributed on the frame 422, the protrusions 431 are aligned with the through holes 4221, and when the metal shielding cover 43 is connected to the second PCB 42, the protrusions 431 are disposed in the through holes 4221, so that the metal shielding cover 43 is detachably connected to the frame 422. When the metal shielding cover 43 is connected with the second PCB 42, the metal shielding cover 43 is sleeved on the frame 422, the convex hull 431 on the metal shielding cover 43 is pressed and enters the through hole 4221 on the widening 22, and the convex hull 431 and the through hole 4221 are matched, so that the connection between the metal shielding cover 43 and the frame 422 is firmer, and the connection relationship between the metal shielding cover 43 and the frame 422 is tighter. In practical use, the size of the end of the convex hull 431 is slightly smaller than the size of the part of the convex hull 431 close to the metal shielding case 43, for example, the convex hull 431 may be a half of an oval sphere, the tip part of the oval sphere is far away from the metal shielding case 43, and the base part of the oval sphere is connected to the metal shielding case 43, so that the convex hull 431 can enter the through hole 4221 when the metal shielding case 43 is connected with the frame 422.

Referring to fig. 8, in the present embodiment, a dividing frame 423 is disposed on the frame 422, the dividing frame 423 divides a portion of the second PCB 42 located in the frame 422 into a plurality of regions, and different signal modules 421 are disposed in different regions. According to different requirements of users, the PCB assembly may set different signal modules 421 on the second PCB 42, or add or subtract some signal modules to the original signal modules 421, and set different signal modules 421 in different areas, so that when some signal modules 421 are added or subtracted, the signal modules 421 will not affect the functions of other signal modules 421 in different areas. In this embodiment, the dividing frame 423 divides the second PCB 42 surrounded by the frame 422 into three areas, the signal module 421 includes a CPU4211, a memory flash chip 4212, a power management IC chip 4213, a storage IC chip 4214, and the like, the CPU4211 and the memory flash chip 4212 are disposed in the same area of the second PCB 42, and the power management IC chip 4213 and the storage IC chip 4214 are equally disposed in other areas of the second PCB 42. The PCB board assembly 4 of this embodiment is when being used for magnetism to inhale display device, because metal shielding cover 43 can produce magnetic attraction with the magnetism of first magnetism body 1 to the signal module 421 shielding magnetic attraction that the cover was located in it reduces the interference of magnetic attraction to the signal module 421 on the second PCB board 42, makes the signal of signal module 421 stable.

Referring to fig. 1, in the present embodiment, the PCB assembly 4 and the first magnetic attraction body 1 form a receding structure 414 in the magnetic attraction direction, and the receding structure 414 is used to recede from the magnet installation portion 21. In practical applications, the avoiding structure 414 is disposed on the first PCB 41, and since the first PCB 41 is disposed with the chip, the pins and the copper foil surface, when the first end of the first magnetic attraction body 1 is shielded by the first PCB 41, the chips, pins and copper foil surface on the first PCB 41 are magnetically attracted by the first magnetic attraction body 1, so that when the first magnetic attraction body 1 demagnetizes the magnetic metal surface 31 of the second side of the faceplate 3 through the first PCB 41, the chips, the pins and the copper foil surface can weaken the magnetic attraction of the first magnetic attraction body 1, so that the magnetic attraction of one end of the first magnetic attraction body 1, which is positioned at the first side of the shell 2, to the magnetic metal surface 31 is reduced, meanwhile, when the end of the first magnetic attraction body 1 located at the first side of the housing 2 generates a magnetic attraction force on the first PCB 41, the magnetic attraction of the first magnetic attraction body 1 also interferes with the signal of the chip on the first PCB 41, so that the yielding structure 414 is disposed at the position of the first PCB 41 corresponding to the magnet installation part 21 during actual use; because 80% of the magnetic force lines of the first magnetic attraction body 1 in the magnet setting part 21 directly and vertically pass through the magnet setting part 21, the yielding structure 414 on the first PCB 41 is located in the magnetic attraction direction of the first magnetic attraction body 1, so that 180% of the magnetic induction lines of the first magnetic attraction body directly pass through the yielding structure 414, the influence of the chip, the pins and the copper foil on the PCB board assembly 4 on the magnetic attraction force of the first magnetic attraction body 1 can be reduced, and the interference of the magnetic attraction force of the first magnetic attraction body 1 on the signal generation of the chip on the first PCB 41 can also be reduced.

Referring to fig. 1, the magnetic display device of the present embodiment further includes a PCB fixing frame 6, a setting position 61 corresponding to the magnet setting portion 21 is disposed on a surface of the PCB fixing frame 6 facing the first side of the housing 2, after the PCB fixing frame 6 is connected to the first side of the housing 2, a receiving cavity is formed between the housing 2 and the PCB fixing frame 6, and the PCB assembly 4 is disposed in the receiving cavity and connected to the PCB fixing frame 6. In this embodiment, magnet setting part 21 is convex to the first side of casing 2, when PCB board mount 6 is connected with the first side of casing 2, magnet setting part 21 is convex in casing 2's part and PCB board mount 6 be close to casing 2 one side set up position 61 butt, PCB board mount 6 is close to casing 2 one side just so and forms a clearance between the first side of casing 2, this clearance is the holding chamber promptly, first PCB 41 is connected and is placed in the holding intracavity with PCB board mount 6 near the one side of casing 2 first side, panel 3 is connected with one side that housing 2 was kept away from to PCB board mount 6. Referring to fig. 1, in a specific application, the setting position 61 protrudes from a side of the PCB fixing frame 6 close to the housing 2 to form a hollow cylinder, the receding structure 414 is disposed corresponding to the setting position 61, and when the PCB fixing frame 6 is connected to the panel 3, the setting position 61 on the PCB fixing frame 6 passes through the receding structure 414 on the first PCB 41 and is sleeved on a portion of the magnet setting portion 21 protruding from the housing 2. In actual use, PCB board mount 6 is the plastics material, be called first side with the one side that PCB board mount 6 is close to casing 2, be called the second side with the one side that PCB board mount 6 kept away from casing 2, set up the first side that PCB board mount 6 was located to position 61, set up position 61 and bulge from PCB board mount 6's first side, when PCB board mount 6 is connected with casing 2, magnet setting portion 21 cup joints in setting position 61 to the convex part in casing 2's first side, can make setting position 61 fix a position when PCB board mount 6 is connected with casing 2's first side through setting position 61 and magnet setting portion 21's corresponding relation. Simultaneously because PCB board subassembly 4 locates the first side of PCB board mount 6, when PCB board mount 6 is connected with casing 2, the portion of setting up of the first side of PCB board mount 6 passes and lets the bit architecture 414 cup joint to magnet setting portion 21 on, do not have the position that directly aligns with first magnetism suction means 1 on the first PCB board 41, make the magnetic line of force that first magnetism suction means 1 is close to PCB board subassembly 4 one end directly not pass PCB board subassembly 4, can reduce the interference of the magnetic attraction of first magnetism suction means 1 to the chip on the first PCB board 41.

Referring to fig. 1, in the present embodiment, the receding structure 414 on the first PCB 41 includes a first inclined edge 4141, a vacancy 4142 and a second inclined edge 64, the first inclined edge 4141 is inclined toward a central line of the first PCB 41, the vacancy 4142 is connected to an inner end of the first inclined edge 4141 and corresponds to a magnetic attraction direction of the corresponding first magnetic attraction 1, and the second inclined edge 64 is disposed symmetrically to the first inclined edge 4141 along a central line of the first magnetic attraction 1. In practical use, the second inclined edge 64 is arranged on the PCB fixing frame 6, and the inner end of the second inclined edge 64 is connected with a setting position, that is, when the PCB assembly 4 is mounted on the housing 2, the magnet setting part 21 on the first side of the housing 2 passes through the vacant position 4142 on the first PCB 41 and extends into the corresponding setting position on the PCB fixing frame 6, and meanwhile, the first inclined edge 4141 on the first PCB 41 is butted with the second inclined edge 64 on the PCB fixing frame 6, so that the PCB assembly 4 can be conveniently mounted on the housing 2. In practical application, be equipped with four first magnetism on the display device of inhaling, be equipped with four magnet setting parts 21 on the casing 2, be equipped with four setting positions on the PCB board mount 6, every first magnetism is inhaled body 1 and is corresponded with a magnet setting part 21 on the casing 2, when PCB board subassembly 4 is installed on the casing 2, every magnet setting part 21 on the casing 2 all passes and stretches into on the PCB board mount 6 from the vacancy 4142 that corresponds rather than the setting position that corresponds, simultaneously four second hypotenuses 64 on the PCB board mount 6 respectively with the first hypotenuse 4141 butt joint that corresponds on the first PCB board 41, four second hypotenuses 64 on the PCB board mount 6 are spacing from four directions to first PCB board 41 respectively, when first PCB board 41 is installed on the casing 2, can also avoid PCB board subassembly 4 to shift.

Referring to fig. 1, in the present embodiment, the PCB fixing frame 6 is a sheet with a through hole therein, and is capable of being bent under force, and the setting position extends toward the middle of the through hole, when the PCB assembly 4 is mounted on the PCB fixing frame 6, one side of the first PCB 41 corresponding to the panel 3 is exposed from the through hole of the PCB fixing frame 6 and is provided with a plurality of elastic conductive portions 413, the elastic conductive portions 413 are electrically connected to the magnetic metal surface 31 to form the same electromotive force, and the elastic conductive portions 413 abut against the magnetic metal surface 31 or the elastic conductive portions 413 abut against the magnetic metal surface 31 elastically. That is to say, after the magnetic metal surface 31 of the panel 3 is magnetically attracted by the first magnetic attraction body 1 and connected to the PCB fixing frame 6, the magnetic metal surface 31 of the panel 3 presses the plurality of elastic conductive portions 413 on the side of the first PCB 41 facing the magnetic metal surface 31, which not only can increase the potential balance, but also the elastic conductive portions 413 elastically abut against the magnetic metal surface 31 to form an acting force that pushes the magnetic metal surface 31 away from the PCB fixing frame 6, thereby preventing the entire surface of the magnetic metal surface 31 of the panel 3 from adhering to and pressing the first PCB 41. In actual use, the plurality of elastic conductive portions 413 are distributed, and when the elastic conductive portions 413 are elastically abutted against the magnetic metal surface 31, the panel 3 and the first PCB 41 are simultaneously subjected to the urging force of the elastic conductive portions 413 and opposite in direction, and in order to balance the forces acting on the panel 3 and the first PCB 41 by the elastic conductive portions 413, the projection of the geometric center of the panel 3 on the vertical plane is located within the thrust plane, and the projection of the geometric center of the first PCB 41 on the vertical plane is also located within the thrust plane.

In this embodiment, a positioning structure is disposed in the accommodating cavity for positioning the PCB assembly 4, the positioning structure includes a slot 62 corresponding to one side of the PCB assembly 4 and an elastic pressing member 63 corresponding to the other side of the PCB assembly 4, the elastic pressing member 63 can be elastically broken, and after the slot 62 places the corresponding edge of the first PCB 41 in place, the elastic pressing member 63 elastically resets to be pressed on the first PCB 41. Referring to fig. 1, in a specific application, the positioning structure is disposed on the PCB fixing frame 6, the slot 62 is located on a side of the PCB fixing frame 6 close to the panel 3, the slot 62 is formed by inward extending of an edge of the avoiding hole of the PCB fixing frame 6, a surface of a side of the slot 62 away from the panel 3 is lower than a surface of a side of the PCB fixing frame 6 away from the panel 3, a surface of a side of the slot 62 away from the panel 3 is used for supporting the PCB assembly 4, the elastic pressing member 63 is disposed on a side of the PCB fixing frame 6 away from the panel 3 and located at an edge of the avoiding hole of the PCB fixing frame 6, an action surface of the elastic pressing member 63 faces the magnetic metal surface 31, and after a side edge of the first PCB 41 is disposed in the slot 62 and supported by the slot 62, the elastic pressing member 63 presses the first PCB 41 away from the panel 3 and fixes the first PCB 41 in the PCB fixing frame 6; referring to fig. 1, further, a concave portion 66 adapted to the first PCB 41 is formed on the first side of the PCB holder 6 along the edge of the avoiding hole of the PCB holder 6 in the reference plane, and the height of the concave portion 66 is less than half of the thickness of the first PCB 41. When the first PCB 41 is mounted on the PCB fixing frame 6, the PCB assembly 4 is disposed in the concave position 66, so that the side edge of the first PCB 41 is supported by the concave position 66, and meanwhile, the first PCB 41 is tightly clamped by the clamping groove 62 and the elastic pressing member 63 on the PCB fixing frame 6 from the two sides of the first PCB 41, so that the first PCB 41 is firmly mounted in the PCB fixing frame 6, and the functional modules on the first PCB 41 are exposed from the avoiding hole of the PCB fixing frame 6.

Referring to fig. 1 and 4, in the present embodiment, a first side of the PCB fixing frame 6 is provided with a fastening groove 65, the housing 2 is provided with a fastening 23, and the PCB fixing frame 6 and the housing 2 are fastened to the fastening groove 65 through the fastening 23. That is, the magnetic display device is vertically arranged when being fixed on the wall surface, that is, when the PCB board fixing frame 6 is pressed by the panel 3 towards the casing 2, and also by the weight of the PCB panel holder 6 itself and the weight of the panel 3 and PCB panel assembly 4 attached thereto, and the sum of the gravity of the PCB board fixing frame 6 and the gravity of the panel 3 and the PCB board assembly 4 connected with the PCB board fixing frame is vertical to the direction of the magnetic attraction force of the first magnetic attraction body 1, when the first magnetic attraction body 1 magnetically attracts the magnetic metal surface 31 of the panel 3, the pressure of the magnetic attraction acting on the PCB fixing frame 6 causes a friction force to be generated between the PCB fixing frame 6 and the shell 2, the frictional force is greater than the sum of the weight of the PCB holder 6 itself and the weight of the panel 3 and PCB assembly 4 attached thereto, so that the PCB holder 6 can be kept from sliding down on the housing 2. However, when the PCB holder 6 is subjected to an external force, the balance relationship between the sum of the gravity of the PCB holder 6 itself and the gravity of the panel 3 and the PCB assembly 4 connected thereto and the friction force is easily broken, and the PCB holder 6 is easily separated from the housing 2 at this time. Therefore, in order to firmly connect the PCB fixing frame 6 with the housing 2, the side of the PCB fixing frame 6 where the setting position 61 is provided with the fastening groove 65, the housing 2 is provided with the fastening buckle, when the PCB fixing frame 6 needs to be assembled with the housing 2 together, the end of the PCB fixing frame 6 where the setting position 61 is provided is fastened to the housing 2, the fastening buckle 23 on the housing 2 is fastened into the fastening groove 65 on the PCB fixing frame 6, and the PCB fixing frame 6 is firmly connected with the housing 2.

The application also relates to a magnetic attraction fixing device, please refer to fig. 2, the magnetic attraction fixing device 5 includes a box body 51 with a wire passing hole, the box body 51 is used for being arranged in a wall body, an outer end face of the box body 51 is provided with a magnetic attraction fixing portion 521, a second magnetic attraction body 7 is arranged in the magnetic attraction fixing portion 521, the second magnetic attraction body 7 is used for magnetic attraction connection of the magnetic attraction display device, the magnetic attraction fixing portion 521 is connected with the second magnetic attraction body 7 through magnetic attraction force, or the magnetic attraction fixing portion 521 is connected with the second magnetic attraction body 7 through structure fixing. That is to say, the box body 51 of the magnetic attraction fixing device 5 is installed in the wall body, the line hole is arranged on the box body 51, the magnetic attraction display device throws out the flexible external line outside the structure body enclosed by the shell 2 and the panel 3 or the signal line connected with the easy-to-plug interface can pass through the line hole on the box body 51 and be connected with the circuit in the wall body, the outer end face of the magnetic attraction fixing device 5, that is, the face of the magnetic attraction fixing device 5 located outside the wall body is provided with the magnetic attraction fixing part 521, the second magnetic attraction body 7 is arranged in the magnetic attraction fixing part 521, the magnetic attraction face on the second side of the shell 2 is magnetically attracted with the second magnetic attraction body 7 on the outer end face of the magnetic attraction fixing device 5 through the first magnetic attraction body 1, so that the magnetic attraction display device is magnetically attracted with the magnetic attraction fixing device 5. During specific application, the second magnetic attraction body 7 can be magnetically attracted to and connected with the magnetic attraction fixing portion 521 on the outer end surface of the box body 51, at this time, the magnetic attraction fixing portion 521 is made of a metal material, when the second magnetic attraction body 7 is placed into the magnetic attraction fixing portion 521, the second magnetic attraction body 7 is magnetically attracted to and connected with the magnetic attraction fixing portion 521, the second magnetic attraction body 7 can also be embedded into the magnetic attraction fixing portion 521, a through hole is formed in one end, away from the front, of the magnetic attraction fixing portion 521, a through hole is formed in the inner diameter of the through hole and is smaller than the outer diameter of the second magnetic attraction body 7, the second magnetic attraction body 7 is arranged in the magnetic attraction fixing portion 521, one end, away from the wall, of the second magnetic attraction body 7 can be magnetically attracted to and connected with the first magnetic attraction body of the magnetic attraction display device through the through hole of the magnetic attraction fixing portion 521, meanwhile, the through hole of the magnetic attraction fixing portion 521 can also be limited to the second magnetic attraction body 7, and the second magnetic attraction body 7 is prevented from escaping from the magnetic attraction fixing portion 521.

Referring to fig. 2, in the present embodiment, the magnetic fixing device 5 further includes an installation plate 52, the installation plate 52 is connected to the outer end surface of the box 51, and the magnetic fixing portion 521 is disposed on the installation plate 52. In practical applications, the mounting plate 52 is made of a metal plate material, the magnetic attraction fixing portion 521 is disposed on the mounting plate 52 and protrudes outward from a side of the mounting plate 52 away from the box body 51, and the second magnetic attraction body 7 is disposed in the magnetic attraction fixing portion 521 and magnetically attracted to the magnetic attraction fixing portion 521.

Referring to fig. 2, in the embodiment, the box body 51 has an opening, the opening is provided with an installation plate fixing column 511, the installation plate 52 is provided with a screw hole corresponding to the installation plate fixing column 511, and the size of the installation plate 52 is larger than that of the opening of the box body 51, when the installation plate 52 is connected with the box body 51, the screw hole on the installation plate 52 corresponds to the installation plate fixing column 511 on the box body 51, and then the screw passes through the screw hole on the installation plate 52 to be connected with the installation plate fixing column 511, so that the installation plate 52 is connected with the box body 51. In particular, in order to firmly connect the mounting plate 52 with the box body 51, two mounting plate fixing columns 511 are symmetrically arranged on two sides of the box body 51 along the center line of the box body 51, two screw holes are arranged on the mounting plate 52, each screw hole corresponds to one mounting plate fixing column 511, and two screws respectively penetrate through one screw hole to be screwed with the corresponding mounting plate fixing column 511, so that the mounting plate 52 is firmly connected with the box body 51.

The utility model also relates to a wall-hung controller please refer to and see fig. 3 and 4, a wall-hung controller includes foretell magnetism and inhales display device, and magnetism is inhaled magnetic absorption fixing device 5 that the face is connected to magnetism of display device's casing 2, and magnetism is inhaled display device and is inhaled 5 magnetism of magnetic absorption fixing device and be connected and the electricity is connected. That is to say, the first magnetic attraction body 1 of the magnetic attraction display device is magnetically connected with the second magnetic attraction body 7 of the magnetic attraction fixing device 5, so that the magnetic attraction display device is magnetically connected with the magnetic attraction fixing device 5, and the external flexible external line of the structure enclosed by the housing 2 and the panel 3 of the magnetic attraction display device or the signal line connected with the easy-to-plug interface is electrically connected with the circuit in the magnetic attraction fixing device 5.

Referring to fig. 3 and 4, in the present embodiment, the second side of the casing 2 is a mounting surface, a protruding portion 22 is formed in the middle of the mounting surface, and the protruding portion 22 is inserted into the opening of the box 51 and located in the box 51. Embedding the box body 51 of the magnetic fixing device 5 into a wall body, enabling the opening of the box body 51 to face outwards, then installing the protruding part 22 of the installation surface of the shell 2 into the opening of the box body 51 of the magnetic fixing device 5, so as to enable the magnetic fixing device 5 to be connected with the shell 2, then connecting the panel 3 with the shell 2, and enabling the PCB board assembly 4 to be installed in an accommodating cavity between the shell 2 and the panel 3; the back is worn out from the line hole of crossing on the casing 2 to the line body on panel 3 and the PCB board subassembly 4, can be connected with the internal circuit of wall through the line hole of crossing on the box body 51 to after casing 2 is connected with magnetism fixing device 5, the line body can be hidden in the opening of box body 51, and it does not have the line body to expose outside after making magnetism inhale display device and installing on the wall, not only pleasing to the eye, and can prolong the life of the line body.

Referring to fig. 3 and 4, in the present embodiment, the cross section of the protruding portion 22 is square, the cross section of the opening of the box 51 is square, a channel is formed between the opening of the box 51 and the outer wall surface of the protruding portion 22, and a power conversion element is disposed in the protruding portion 22 and connected to a power supply in the box 51. That is to say, the shape of the opening of the box body 51 is matched with the shape of the protrusion 22, and there is no tight fit between the outer wall surface of the protrusion 22 and the opening of the box body 51, the size of the opening of the box body 51 can make the protrusion 22 fully extend into the casing 2, and the wire body extending from the protrusion 22 or the mounting surface of the casing 2 can be placed into the opening and then connected with the circuit in the wall through the wire passing hole on the box body 51, in addition, the inside of the box body 51 is provided with a circuit connected with the circuit in the wall, and the circuit can make the power supply conversion piece arranged in the protrusion 22 be connected with the circuit in the opening when the protrusion 22 of the casing 2 extends into the opening, which is convenient for the installation of the casing 2 and simplifies the connection of the circuit.

Referring to fig. 3 to 7, in the present embodiment, when the mounting surface is connected to the corresponding structure of the magnetic attraction fixing device 5 through the protrusion 22, an abutting surface is further present outside the mounting surface, the abutting surface abuts against the wall, a first through hole 24 communicating the inside and the outside of the housing 2 is provided outside the abutting surface of the housing 2, wherein the first through hole 24 is formed at the upper part and the lower part outside the abutting surface of the housing 2; and/or first through holes 24 are formed in the left and right portions outside the contact surface of the housing 2. That is, after the protrusion 22 on the mounting surface of the housing 2 extends into the opening of the box body 51 of the magnetic attraction fixing device 5 and the power conversion element in the protrusion 22 is connected to the circuit in the opening of the box body 51, the other part of the mounting surface of the housing 2 is abutted against the wall, and the part abutted against the wall is called an abutting surface which surrounds the protrusion 22; install magnetism and inhale fixing device 5 at casing 2 and go up the back, set up first through-hole 24 in the upper portion and the lower part of butt face, the first through-hole 24 that the lower part outside the butt face set up can be followed to external air gets into in the casing 2, then flow by the first through-hole 24 of the upper portion setting in the butt face outside, can dispel the heat to the PCB board subassembly 4 that casing 2 is inside and install the holding intracavity between casing 2 and panel 3, avoid PCB board subassembly 4 high temperature between casing 2 and the panel 3 in the course of the work. In order to further enhance the air circulation in the housing 2, the left and right parts outside the contact surface of the housing 2 are also provided with first through holes 24, and the air can enter the housing 2 from the first through hole 24 at the lower part outside the contact surface and then flow out from the first through hole 24 at the upper part outside the housing 2, and can enter the housing 2 from the first through hole 24 at the left part outside the contact surface of the housing 2 and then flow out from the first through hole 24 at the right part outside the contact surface of the housing 2, so that the heat dissipation effect in the housing 2 is better.

Referring to fig. 3 and 4, in the present embodiment, a second through hole 25 is formed on an outer wall of the protruding portion 22 to communicate the inside and the outside of the protruding portion 22, and a gas sensor is further disposed in the protruding portion 22, the gas sensor is one or more of a gas temperature sensor, a gas humidity sensor, a carbon dioxide sensor and a dust particle counter, and the gas sensor is connected to a power supply in the wall fixing member 4. After entering the housing 2 from the lower part or/and the left part of the outer side of the abutting surface of the housing 2, the air can flow in the housing 2 and be discharged from the upper part or/and the right part of the outer side of the abutting surface of the housing 2 through the first through hole 24, so that the air sensor in the bulge part 22 can detect the quality of the air, and the heat can be radiated to the air sensor in the bulge part 22; meanwhile, air in a channel formed between the opening and the outer wall surface of the protruding portion 22 can be exchanged with air in the protruding portion 22 through the second through hole 25 in the outer wall of the protruding portion 22, and the heat dissipation effect of the gas sensor in the protruding portion 22 can be improved.

In the present embodiment, when the housing 2 is fixed on the wall surface by the magnetic fixing device 5, the abutting surface of the housing 2 abuts against the wall body to form a sealing structure, and the air flows in a direction of being sucked into the housing 2 from the first through hole 24 located at the lower part of the outer side of the housing 2, then flowing through the protruding part 22, and finally being discharged from the first through hole 24 located at the upper part of the outer side of the housing 2; or/and the flow direction of the air is sucked into the case 2 from the first through hole 24 located at the left portion outside the case 2, then flows through the protrusion 22, and finally is discharged from the first through hole 24 located at the right portion outside the case 2. That is, the abutting surface and the wall form a sealing structure, no air can pass between the abutting surface of the housing 2 and the wall, so that the external air cannot directly enter the channel formed between the opening and the outer wall surface of the protrusion 22, the external air entering the protrusion 22 needs to be sucked into the housing 2 through the first through hole 24 at the lower part or the left part outside the abutting surface, then enters the protrusion 22 when flowing in the housing 2, the air is heated by the power converter at the protrusion 22, or heated by the heating resistor in the gas sensor to form a stable flow, and then is discharged from the first through hole 24 at the upper part or the right part outside the housing 2, thereby realizing the detection of the external air and the heat dissipation of the power converter and other sensors in the protrusion 22.

In this embodiment, the protruding portion 22 is provided with a wire passing hole for passing a control wire, and the control wire includes an easy-to-plug interface which is plugged into an adaptive easy-to-plug interface in the box body 51 of the magnetic fixing device 5. That is to say, the control line on panel 3 and the PCB board subassembly 4 will pass through the line hole of crossing on the bulge 22 and throw away outside casing 2, then when the bulge 22 was packed into in the opening of wall mounting 4, the circuit connection in fixing device 5 is inhaled with magnetism to the control line, when the control line was for easily inserting the interface, inhale and need set up the easy grafting interface of adaptation in the fixing device 5 of magnetism, when the bulge 22 stretched into the opening of the box body 51 of fixing device 5 is inhaled to magnetism, the easy grafting interface of bulge 22 and the easy grafting interface of adaptation in the opening of box body 51 are pegged graft, can simplify the connection of circuit.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A magnetic display device, comprising:

at least one first magnetic attraction body (1);

the magnetic attraction device comprises a shell (2), at least one magnet arrangement part (21) is arranged on the first side of the shell, a magnetic attraction surface is arranged on the second side of the shell, the magnet arrangement part (21) is used for arranging the first magnetic attraction body (1), and the magnetic attraction surface is used for magnetically attracting and connecting another second magnetic attraction body (7) with the polarity opposite to that of the first magnetic attraction body (1);

the panel (3) is arranged on the first side of the shell (2), an accommodating cavity is formed between the panel and the shell (2), and the panel (3) is provided with a display part and an input part;

the PCB assembly (4) is arranged in an accommodating cavity between the panel (3) and the shell (2), and the PCB assembly (4) is electrically connected with the panel (3);

the flexible external connection wire or the easy-plugging interface is connected with a signal wire, and the signal wire passes through the wire passing hole in the shell (2) and is thrown out of the structure body formed by the shell (2) and the panel (3).

2. The magnetic attraction display device according to claim 1, wherein the PCB board assembly (4) and the magnetic attraction direction of the first magnetic attraction body (1) form a yielding structure (414), and the yielding structure (414) is used for hiding the magnet installation part (21).

3. The magnetic attraction display device according to claim 1, wherein a positioning structure is disposed in the accommodating cavity for positioning the PCB board assembly (4), the positioning structure includes a slot (62) corresponding to one side of the PCB board assembly (4) and an elastic pressing member (63) corresponding to the other side of the PCB board assembly (4), the elastic pressing member (63) can be elastically bent open, and after the slot (62) places the corresponding side of the PCB board assembly (4) in position, the elastic pressing member (63) is elastically restored to be pressed on the PCB board assembly (4).

4. The magnetic attraction display device according to claim 2, wherein the abdicating structure (414) on the PCB board assembly (4) comprises a first inclined edge (4141) and a vacancy (4142) and a second inclined edge (64), the first inclined edge (4141) is inclined towards the central line of the PCB board assembly (4), the vacancy (4142) is connected to the inner end of the first inclined edge (4141) and corresponds to the magnetic attraction direction of the corresponding first magnetic attraction body (1), and the second inclined edge (64) is arranged symmetrically to the first inclined edge (4141) along the central line of the first magnetic attraction body (1).

5. The magnetic attraction display device according to claim 1, wherein the panel (3) is a display screen, and comprises a display area and an input area, and the display area displays the temperature detection value and/or the temperature set value; the display area is positioned at the upper part, and the input area is positioned at the lower part; or the display area and the input area are overlapped to form a touch display screen, and a magnetic metal surface (31) is arranged on the back surface of the display screen.

6. The magnetic display device according to claim 1, further comprising a PCB fixing frame (6), wherein a setting position (61) corresponding to the magnet setting portion (21) is disposed on a surface of the PCB fixing frame (6) facing the first side of the housing (2), after the PCB fixing frame (6) is connected to the first side of the housing (2), an accommodating cavity is formed between the housing (2) and the PCB fixing frame (6), and the PCB assembly (4) is disposed in the accommodating cavity and connected to the PCB fixing frame (6).

7. The utility model provides a fixing device is inhaled to magnetism, is including box body (51) of crossing the wire hole, box body (51) are used for setting up in the wall body, its characterized in that: the outer end face of box body (51) is provided with magnetism and inhales fixed part (521), it inhales body (7) to be provided with the second in the fixed part (521) to inhale magnetism, the second magnetism is inhaled the body (7) and is used for magnetism to inhale and connect any one of claims 1-6 magnetism and inhale display device, it inhales fixed part (521) and second magnetism and inhale the body (7) and pass through magnetic attraction and connect, or inhale fixed part (521) and second magnetism and inhale body (7) and pass through structure fixed connection.

8. The magnetic attraction fixing device of claim 7, further comprising a mounting plate (52), wherein the mounting plate (52) is connected with the outer end face of the box body (51), and the magnetic attraction fixing part (521) is arranged on the mounting plate (52).

9. A wall-hung controller comprising the magnetic display device of any one of claims 1 to 6 and the magnetic fixing device of any one of claims 7 to 8, wherein: the magnetic attraction surface of the shell (2) is connected with the magnetic attraction fixing device, and the magnetic attraction display device is magnetically attracted and connected with and electrically connected with the magnetic attraction fixing device.

10. A wall-hung controller according to claim 9, wherein the second side of the housing (2) is a mounting surface, a projection (22) is formed in the middle of the mounting surface, and the projection (22) is inserted into the opening of the box body (51) and is positioned in the box body (51).

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