CN213303961U - Key for medical equipment and ultrasonic equipment - Google Patents

Abstract

The utility model provides a press key and ultrasonic equipment for medical equipment, this button have button casing, be used for showing display screen and display screen circuit board of information, this button casing press the portion for transparent material, the display screen is located the below of pressing the portion, can expose the display screen. The display screen can be used for indicating the function corresponding to the current key. In addition, the display screen can change the display content through the display screen circuit board, so that the key prompt content can be conveniently switched under different application scenes. The structure can not change the operation habit of a user, and the key function indication switching is more convenient under different application scenes.

Description

Key for medical equipment and ultrasonic equipment

Technical Field

The application relates to the field of medical equipment, in particular to a key structure of ultrasonic equipment.

Background

Ultrasound devices are widely used in medical systems, for example, to assist doctors in disease diagnosis. Generally, an ultrasound device has a control panel, and some keys on the control panel can correspondingly implement different functions in different application scenarios. In order to enable an operator to clearly know the current corresponding function of the key, the corresponding function of the key is required to be indicated in the current application scene, so that the user can perform corresponding operation more intuitively and conveniently. The existing scheme for realizing the technical effect mainly comprises a labeling scheme, a key cap replacing scheme, a split display screen scheme, a touch screen scheme and the like. However, these solutions have some problems while achieving this effect.

Disclosure of Invention

The application provides a novel key for medical equipment and ultrasonic equipment adopting the key, which is used for showing another mode of realizing function indication on the key.

Based on the above purpose, an embodiment of the present application provides a button for medical equipment, including button shell, display screen and display screen circuit board for show information, button shell has presses the splenium, at least in the button shell press the splenium to be transparent material, the display screen is installed on the button shell, and be located press the below of splenium, the display screen circuit board with the display screen electricity is connected for the input signal of telecommunication.

In one embodiment, the display screen comprises a front light plate and a display plate positioned below the front light plate, and the front light plate and the display plate are electrically connected with corresponding display screen circuit boards.

In one embodiment, the display screen is an ink screen.

In one embodiment, the display screen circuit board includes a first flexible circuit board and a second flexible circuit board, the first flexible circuit board is electrically connected to the front light board, the second flexible circuit board is electrically connected to the display panel, and one end of the first flexible circuit board and one end of the second flexible circuit board extend out of the key casing to be connected to the main circuit board.

In one embodiment, the second flexible circuit board includes a display panel flexible circuit board and an adapting flexible circuit board, the display panel flexible circuit board is electrically connected to the display panel, the adapting flexible circuit board is electrically connected to the display panel flexible circuit board, and one end of the adapting flexible circuit board extends out of the key housing.

In one embodiment, an adhesive is disposed between the front light plate and the key housing and between the front light plate and the display panel for fixing, wherein the adhesive is a transparent adhesive.

In one embodiment, the adhesive body is transparent glue solution or transparent optical double-sided adhesive tape.

In one embodiment, the joints of the front light boards and the corresponding display screen circuit boards and the joints of the display boards and the corresponding display screen circuit boards are fixed by adhesive bodies.

In one embodiment, the display screen circuit board further comprises a first fixing piece, and the first fixing piece is used for fixedly pressing the display screen circuit board.

In one embodiment, a circle of shielding bodies is arranged above the front light plate, and a window serving as a display area is arranged in the middle of each shielding body.

In one embodiment, the key housing includes a key top case and a key bottom case, the key top case and the key bottom case enclose a cavity, and at least a portion of the display screen circuit board and the display screen are located in the cavity.

In one embodiment, the key upper shell and the key lower shell are internally filled with glue, so that the key is integrally formed into a sealing structure.

Based on the above-mentioned purpose, this application provides an ultrasonic equipment in an embodiment, including equipment casing, main circuit board, trigger piece and as above-mentioned any one the button, equipment casing has installation cavity and at least one button installing port, main circuit board sets up in the equipment casing, the button set up in the button installing port, main circuit board is located the below of button, can control when the button is pressed trigger piece triggers main circuit board, the display screen circuit board of button with main circuit board electricity is connected.

In one embodiment, the touch screen further comprises a flexible supporting structure for buffering and supporting the key, wherein the key is positioned above the flexible supporting structure, and the flexible supporting structure is positioned above the trigger piece.

In one embodiment, the trigger is an elastic sheet capable of urging the key to reset, the elastic sheet is located above the main circuit board, a gap is formed between the elastic sheet and a contact corresponding to the key on the main circuit board, the flexible supporting structure is located above the elastic sheet, the key is located above the flexible supporting structure, and the elastic sheet can be driven to trigger the contact when the key is pressed down.

In one embodiment, the trigger is a micro-travel switch or a membrane switch.

In one embodiment, an adhesive body is arranged between the display screen circuit board and the main circuit board or the display screen circuit board and the main circuit board are fixed through a second fixing piece.

In one embodiment, the display screen circuit board is fixedly connected with the main circuit board through an adhesive body.

In one embodiment, one end of the display screen circuit board is wound to the bottom wall of the main circuit board from the side of the main circuit board and is electrically connected with the interface on the bottom wall.

According to the embodiment, the key comprises the key shell, the display screen and the display screen circuit board, wherein the display screen is used for displaying information, the pressing part of the key shell is made of transparent materials, and the display screen is located below the pressing part and can be exposed. The display screen can be used for indicating the function corresponding to the current key. In addition, the display screen can change the display content through the display screen circuit board, so that the key prompt content can be conveniently switched under different application scenes. The structure can not change the operation habit of a user, and the key function indication switching is more convenient under different application scenes.

Drawings

FIG. 1 is a schematic structural diagram of a key assembly according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a key assembly according to an embodiment of the present application;

FIGS. 3-5 are cross-sectional views of keys from different perspectives in an embodiment of the present application;

FIG. 6 is a cross-sectional view of a key assembled with a main circuit board in an embodiment of the present application;

FIG. 7 is a schematic (cross-sectional) view of the connection of the circuit board of the key to the main circuit board in one embodiment of the present application;

FIG. 8 is a cross-sectional view of two keys assembled with a main circuit board in one embodiment of the present application.

Detailed Description

The present invention will be described in further detail with reference to the following detailed description and accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

The application provides a key applied to medical equipment, in particular to medical equipment which needs to display information (such as functions or effects and the like) corresponding to the key on the key, wherein the display of the information can be fixed and unchanged, and can also be switched along with different application scenes (such as different modes) of the equipment. The medical device includes, but is not limited to, an ultrasound device, such as a sample analyzer, etc.

Referring to fig. 1 to 5, in one embodiment, the key 100 includes a key housing 110, a display screen 120 for displaying information, and a display screen circuit board 130. The key housing 110 has a pressing portion 101, and the user can press the pressing portion 101 to trigger the key 100 when inputting contents. At least the pressing portion 101 of the key housing 110 is made of a transparent material, for example, the entire key housing 110 is made of a transparent material, or only the pressing portion 101 is made of a transparent material. The display screen 120 is mounted on the key housing 110 and located below the pressing portion 101, and the content displayed on the display screen 120 can be displayed through the transparent material for the user to view. The display circuit board 130 is electrically connected to the display 120 for inputting electrical signals. When the button 100 is mounted on the corresponding medical device, the display 120 is electrically connected to the main circuit board for information interaction.

The display 120 may be used to indicate the function to which the current key 100 corresponds. Moreover, when a certain key 100 has a requirement for switching information display content, the display screen 120 can also change the display content through the display screen circuit board 130, so that the prompt content of the key 100 can be conveniently switched in different application scenes. By the structure, the operation habit of a user can not be changed, and the function indication of the key 100 can be smoothly switched under different application scenes, so that the structure is more convenient.

In some embodiments, the key housing 110 has a cavity, the display 120 can be located in the cavity, and the display circuit board 130 can be located in the cavity or outside the cavity. In some embodiments, the key housing 110 may be a top shell structure, and the display 120 may be located below the top shell structure. No matter what kind of structure the key housing 110 has, the display screen 120 is located below the pressing portion 101.

The display screen 120 serves to display information and may be sized relative to the key housing 110 according to the visual effect ultimately desired. For example, the display screen 120 may be as large as possible to present information as clearly as possible. In some embodiments, the display screen 120 may be designed to be smaller than the key housing 110 if a fine and small style is desired.

The display 120 may be any display device that can satisfy the size of the keys 100. Referring to fig. 1 to 5, in an embodiment, the display screen 120 includes a front light panel 121 and a display panel 122 disposed below the front light panel 121, and the front light panel 121 and the display panel 122 are electrically connected to a corresponding display screen circuit board 130. The front light plate 121 is located between the display panel 122 and the inner wall of the pressing portion 101, and not only can provide front lights with different colors, create different display atmospheres and effects, but also can protect the display panel 122.

In one embodiment, the display screen 120 is an ink screen. For example, an E-ink screen is used. The ink screen can display electronic ink characters, patterns, figures and other visual information, and changes the visual information under the triggering of corresponding electrical signals. Since the visualized information such as electronic ink characters, patterns, and graphics is displayed, the display content and the display effect of the display panel 122 are not affected in case of power failure. However, under the condition of power-on, the visual information can be changed through the triggering of the control signal, so that different visual information can be correspondingly displayed according to the requirements of different application scenes, and the self-definition of the visual information display is realized.

Of course, in other embodiments, the display screen 120 may also adopt other display devices, and is not limited to an ink screen.

Further, the display circuit board 130 is mainly used for controlling the display 120. When the display 120 includes the display panel 122 and the front light panel 121, the display circuit board 130 is used to control the front light panel 121 and the display panel 122. The display circuit board 130 may also be used to control the display 120 when it includes other components. When the front light panel 121 and the display panel 122 are controlled, the display panel circuit board 130 may be controlled by using one circuit board, or may be controlled by using respective circuit boards to control the front light panel 121 and the display panel 122, that is, the display panel circuit board 130 may include one or more than two circuit boards. These circuit boards may be either PCBs or FPCs.

Referring to fig. 1 to 5, in an embodiment, to reduce the manufacturing difficulty, the display circuit board 130 includes a first flexible circuit board 131 and a second flexible circuit board 132. The first flexible circuit board 131 is electrically connected to the front light panel 121 and is mainly used for controlling the front light panel 121. The second flexible circuit board 132 is electrically connected to the display panel 122, and is mainly used for controlling the display panel 122. One end of the first flexible circuit board 131 and the second flexible circuit board 132 extends out of the key housing 110, and the first flexible circuit board 131 and the second flexible circuit board 132 are provided with connecting structures 1311 and 1321 connected with the main circuit board for connecting with the main circuit board. These connection structures may include, but are not limited to, gold fingers, connection terminals, etc. to make electrical connections.

In order to further reduce the manufacturing difficulty, in an embodiment, referring to fig. 2 and 3, the second flexible circuit board 132 includes a display panel flexible circuit board 132a and an adapting flexible circuit board 132b, the display panel flexible circuit board 132a is electrically connected to the display panel 122, the adapting flexible circuit board 132b is electrically connected to the display panel flexible circuit board 132a, and one end of the adapting flexible circuit board 132b extends out of the key housing 110. The adapting flexible circuit board 132b adapts the display panel flexible circuit board 132a out so that it is easier to electrically connect with the main circuit board.

In another embodiment, the first flexible circuit board 131 and the second flexible circuit board 132 can be combined into one flexible circuit board output.

Further, in order to obtain a good display effect, referring to fig. 4, in an embodiment, an adhesive is disposed between the front light panel 121 and the key housing 110 (a portion in fig. 3) and between the front light panel 121 and the display panel 122 (b portion in fig. 3) for fixing, wherein the adhesive is a transparent adhesive. The transparent colloid can be transparent colloid liquid, and can also be transparent optical double-sided adhesive (OCA).

The glue body between this preceding light board 121 and the button casing 110 and between preceding light board 121 and the display panel 122 for final bandwagon effect is fuller on this button 100, and is clear, pure, fresh and alive, and the while is seen from the outside, and the display content on the button 100 is than shallower, conveniently looks over etc.. Moreover, the internal integrated adhesive structure has the dustproof and waterproof sealing effects while obtaining a good display effect, improves the strength and rigidity of the internal structure of the whole key 100, and well protects the display screen 120, so that the display screen is not easy to damage.

In addition, in order to enhance the fixation, the display panel 122 and the key case 110 (portion c in fig. 3) may be fixed by providing an adhesive body therebetween, so that the display panel 120 and the key case 110 are fixed to form an integral structure.

Further, as shown in fig. 1 to 4, in one embodiment, the key housing 110 includes a key upper shell 111 and a key lower shell 112, the key upper shell 111 and the key lower shell 112 enclose a cavity, and at least a portion of the display circuit board 130 and the display 120 are located in the cavity. At this time, in one embodiment, the key top case 111 and the key bottom case 112 are internally filled with glue, so that the key 100 is integrally formed into a sealing structure. The structure can enhance the fixing effect of the display screen 120 relative to the key housing 110, improve the strength and rigidity of the key 100, and protect the display screen 120 (e.g., an E-ink electronic ink screen) from being easily damaged. Meanwhile, the dustproof and waterproof effects can be achieved.

In addition, since the key 100 moves up and down during pressing and releasing operations, the front light panel 121 and the display panel 122 move up and down during the pressing and releasing operations, so that relative shaking between the front light panel 121 and the first flexible circuit board 131 and relative shaking between the display panel flexible circuit board 132a and the adapting flexible circuit board 132b of the display panel 122 may be caused, which may cause a contact problem of electrical connection and reduce life reliability of the electrical connection. Therefore, in one embodiment, the front light panel 121, the display panel 122, the first flexible circuit board 131 and the second flexible circuit board 132 (including the display panel flexible circuit board 132a and the transition flexible circuit board 132b) are integrally filled with glue or glue, and the front light panel 121, the display panel 122, the first flexible circuit board 131 and the second flexible circuit board 132 are integrally fixed together, so as to prevent these components from moving.

Of course, in other embodiments, other manners of reinforcement may be adopted, for example, in one embodiment, a first fixing member is further included, and the first fixing member presses and fixes the display screen circuit board 130. Specifically, the first fixing member may be a pressing line structure such as a buckle, and integrally fixes the front light panel 121, the display panel 122, the first flexible circuit board 131, and the second flexible circuit board 132 together.

Further, in one embodiment, in order to avoid light leakage, a circle of shielding bodies is disposed above the front light panel 121, and a window serving as a display area is disposed in the middle of the shielding bodies. The content in the display area of the display screen 120 is not shielded and can be displayed normally, and the content outside the display area is shielded and cannot be displayed, so that shielding control of the display area is realized, and light leakage in the area outside the display area is avoided.

In another aspect, the present embodiment also provides an ultrasound apparatus, which is a medical apparatus for transmitting and receiving ultrasound signals and imaging based on the received ultrasound signals to assist a doctor in diagnosis and treatment. The ultrasound device may be either a desktop ultrasound device or a portable ultrasound device.

Referring to fig. 6 to 8, the ultrasonic device includes a device housing 210, a main circuit board 220, a trigger 230, and the button 100 according to any of the above embodiments. The device housing 210 has a mounting cavity and at least one key mounting opening. The main circuit board 220 is disposed in the device housing 210, and the key 100 is disposed in the key installation opening. Besides the main circuit board 220, the mounting cavity can be used for accommodating other components, such as a hard disk, a fan, etc., according to requirements. The main circuit board 220 may be disposed in a host of the desktop ultrasound apparatus or the portable ultrasound apparatus, or may be disposed in other components of the desktop ultrasound apparatus or the portable ultrasound apparatus.

The main circuit board 220 is located below the key 100, and when the key 100 is pressed, the trigger 230 can be controlled to trigger the main circuit board 220, so as to send a corresponding signal to the main circuit. The display screen circuit board 130 of the key 100 is electrically connected with the main circuit board 220 to perform information interaction, and control and power supply are performed on the display screen 120. The main circuit board 220 is left with a connection structure to the first flexible circuit board 131 and the second flexible circuit board 132 for electrical connection. These connection structures may include, but are not limited to, gold fingers, connection terminals, and the like.

The key 100 triggers the contacts on the main circuit board 220 via the triggering member 230, and in some embodiments, referring to fig. 6 to 8, in order to increase the feel, the key 100 further includes a flexible supporting structure 240 for buffering and supporting the key 100, the key 100 is located above the flexible supporting structure 240, and the flexible supporting structure 240 is located above the triggering member 230. When the key 100 is pressed down, the key 100 is directly or indirectly contacted with the flexible supporting structure 240, and the flexible supporting structure 240 plays a role in buffering, so that the pressing hand feeling is increased, and the hand feeling is prevented from being too stiff. The flexible support structure 240 is made of a flexible material, such as silicone. In addition, the flexible supporting structure 240 also serves as a film covering the main circuit board 220, and plays a role in dust prevention and sealing of the main circuit board 220.

The triggering member 230 may be an elastic reset member, or may be another structure capable of functioning as a switch. Referring to fig. 6 to 8, in an embodiment, the triggering element 230 is a spring plate capable of urging the key 100 to reset, the spring plate is located above the main circuit board 220, a gap is formed between the spring plate and a contact corresponding to the key 100 on the main circuit board 220, the flexible supporting structure 240 is located above the spring plate, the key 100 is located above the flexible supporting structure 240, and the spring plate can be driven to trigger the contact when the key 100 is pressed down. The spring plate can be a snap plate or other spring plate structures.

When the key 100 is pressed, the spring plate is triggered to move downwards, so that the contact on the main circuit board 220 is triggered. When the pressing force is removed, the elastic sheet bounces upwards to restore the original shape, and drives the flexible supporting structure 240 and the key 100 to move upwards to restore the original position. The flexible support structure 240 and the elastic sheet realize the travel hand feeling feedback.

In addition, in some embodiments, the triggering member 230 may also be a micro-travel switch, a membrane switch, or the like having elasticity and capable of performing a switching function. When the button 100 is pressed, the micro-motion travel switch or membrane switch is triggered, thereby triggering the main circuit board 220.

Further, referring to fig. 6 to 8, in an embodiment, one end of the display screen circuit board 130 (specifically, the first flexible circuit board 131 and the second flexible circuit board 132) is wound around the bottom wall of the main circuit board 220 from the side of the main circuit board 220, and is electrically connected to the interface on the bottom wall.

In some embodiments, since the key 100 moves up and down during the pressing and releasing operations, the display circuit board 130 and the main circuit board 220 are easily separated due to shaking during the pressing and releasing operations, which causes a contact problem of the electrical connection and reduces the lifetime reliability of the electrical connection. In this regard, in one embodiment, the display panel circuit board 130 and the main circuit board 220 are additionally fixed except for the connection point.

For example, an adhesive body is provided between the display screen circuit board 130 and the main circuit board 220 or fixed by a second fixing member. The adhesive body can adopt transparent or non-transparent glue solution or double-sided glue. The second fixing member may be the same as or different from the first fixing member, for example, the second fixing member may also be a wire pressing structure such as a snap. The adhesive body or the second fixing member integrally fixes the display screen circuit board 130 and the main circuit board 220.

Further, referring to fig. 6, in an embodiment, when the key 100 is installed on the device housing 210, some limiting structures, such as a limiting frame 250, may be disposed in the device housing 210, and the limiting structures are mainly used for limiting the range of the key 100 and preventing the key from shifting in the left and right directions of the device housing 210.

Further, typically, at least two keys 100 will be disposed in the device housing 210 of the ultrasound device. As shown in fig. 8, there is shown a structure in which two keys 100 are provided, the keys 100 are provided together on the device case 210 and above the main circuit board 220, and each key 100 is provided with the main circuit board 220, the trigger 230, and the like. The keys 100 may be separately provided or may be connected together.

The present invention has been described in terms of specific examples, which are provided to aid understanding of the invention and are not intended to be limiting. For a person skilled in the art to which the invention pertains, several simple deductions, modifications or substitutions may be made according to the idea of the invention.

Claims (19)

1. The key for the medical equipment is characterized by comprising a key shell, a display screen and a display screen circuit board, wherein the display screen and the display screen circuit board are used for displaying information, the key shell is provided with a pressing part, at least the pressing part in the key shell is made of transparent materials, the display screen is installed on the key shell and is positioned below the pressing part, and the display screen circuit board is electrically connected with the display screen and used for inputting electric signals.

2. The key of claim 1, wherein the display comprises a front light panel and a display panel positioned below the front light panel, the front light panel and the display panel each being electrically connected to a corresponding display circuit board.

3. The key of claim 2, wherein the display screen is an ink screen.

4. The key of claim 2, wherein the display circuit board comprises a first flexible circuit board and a second flexible circuit board, the first flexible circuit board is electrically connected to the front light panel, the second flexible circuit board is electrically connected to the display panel, and one end of the first flexible circuit board and one end of the second flexible circuit board extend out of the key housing for connection to a main circuit board.

5. The key of claim 4, wherein the second flexible circuit board comprises a display panel flexible circuit board and an adaptor flexible circuit board, the display panel flexible circuit board is electrically connected with the display panel, the adaptor flexible circuit board is electrically connected with the display panel flexible circuit board, and one end of the adaptor flexible circuit board extends out of the key housing.

6. The key of claim 2, wherein an adhesive is disposed between the front light panel and the key housing and between the front light panel and the display panel for fixing, wherein the adhesive is a transparent adhesive.

7. The key of claim 6, wherein the adhesive body is a transparent glue or a transparent optical double-sided tape.

8. The key of claim 2, wherein the joint of the front light board and the corresponding display screen circuit board and the joint of the display board and the corresponding display screen circuit board are fixed by adhesive bodies.

9. The key of claim 2, further comprising a first fastener, wherein the first fastener is configured to hold the display circuit board in compression.

10. The key of claim 2, wherein a ring of shielding bodies is arranged above the front light plate, and a window is arranged in the middle of each shielding body and is used as a display area.

11. The key of any of claims 1-10, wherein the key housing comprises a key top shell and a key bottom shell, the key top shell and the key bottom shell defining a cavity, at least a portion of the display circuit board and the display being located within the cavity.

12. The key of claim 11, wherein the key top case and the key bottom case are internally potted with glue such that the key integrally forms a sealed structure.

13. An ultrasonic device, comprising a device housing, a main circuit board, a triggering member and a key according to any one of claims 1 to 12, wherein the device housing has a mounting cavity and at least one key mounting opening, the main circuit board is disposed in the device housing, the key is disposed in the key mounting opening, the main circuit board is disposed below the key, the triggering member is controlled to trigger the main circuit board when the key is pressed, and a display screen circuit board of the key is electrically connected to the main circuit board.

14. The ultrasound device according to claim 13, further comprising a flexible support structure for cushioned support of the keys, the keys being located above the flexible support structure, the flexible support structure being located above the trigger.

15. The ultrasound device according to claim 14, wherein the triggering member is a spring plate capable of urging the key to reset, the spring plate is located above the main circuit board, a gap is formed between the spring plate and a contact corresponding to the key on the main circuit board, the flexible supporting structure is located above the spring plate, the key is located above the flexible supporting structure, and the spring plate can be driven to trigger the contact when the key is pressed down.

16. The ultrasonic apparatus of claim 14, wherein the trigger is a micro-travel switch or a membrane switch.

17. The ultrasound device of claim 13, wherein the display screen circuit board is fixed to the main circuit board by an adhesive or by a second fixing member.

18. The ultrasound device of claim 13, wherein the display screen circuit board is fixedly connected to the main circuit board by an adhesive.

19. The ultrasound apparatus of claim 13, wherein one end of the display screen circuit board is routed from the side of the main circuit board to the bottom wall of the main circuit board and electrically connected to the interface on the bottom wall.

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