CN113115550A

CN113115550A - Waterproof operation box and medical equipment with same

Info

Publication number: CN113115550A
Application number: CN202110368184.7A
Authority: CN
Inventors: 欧阳智依; 马兴江
Original assignee: FMI Technologies Inc
Current assignee: FMI Technologies Inc
Priority date: 2021-04-06
Filing date: 2021-04-06
Publication date: 2021-07-13
Anticipated expiration: 2041-04-06
Also published as: CN113115550B

Abstract

The invention provides a waterproof operation box and medical equipment provided with the same.A waterproof layer is arranged between an upper panel and a circuit board and is hermetically connected with the upper panel, so that liquid reaching the upper panel cannot flow onto the circuit board through a part mounting hole and is supported by the waterproof layer; the height of one side provided with the water outlet is lower than that of the side not provided with the water outlet, so that the liquid in the water chute flows out of the operation box through the water outlet and is prevented from flowing to the circuit board; by the first waterproof flange and the second waterproof flange, when water splashing occurs to the control box, part of the water is prevented from flowing into the circuit board through the component mounting hole.

Description

Waterproof operation box and medical equipment with same

Technical Field

The invention relates to the field, in particular to a waterproof operation box and medical equipment with the same.

Background

In the process of using the control box of the medical equipment, sometimes, a doctor or an operator splashes water onto the control box, and if the control box cannot be structurally waterproof at the moment, the circuit board can be caused to move out of control due to water inflow, so that danger is caused.

Disclosure of Invention

In order to overcome the technical defects, the invention aims to provide a waterproof operation box for preventing short circuit and electric leakage of a circuit board in the control box caused by water splashing and medical equipment provided with the waterproof operation box.

The invention discloses a waterproof operation box, which comprises a shell and a circuit board arranged in the shell, wherein the shell comprises an upper panel and a lower bottom plate, and the upper panel is hermetically connected with the lower bottom plate; the upper panel is provided with a plurality of part mounting holes, a waterproof layer is arranged between the circuit board and the upper panel, a plurality of connecting lugs are arranged on one surface of the waterproof layer facing the upper panel, the connecting lugs are arranged corresponding to the part mounting holes, and the waterproof layer is hermetically connected with the upper panel through the connecting lugs to isolate the circuit board from the upper panel;

a water chute is arranged on the waterproof layer and comprises a water outlet, a water outlet is arranged on the lower panel, and the water outlet is communicated with the outside of the shell; the height of the water outlet is larger than that of the water outlet, and the water outlet is communicated with the water outlet so that the liquid in the water chute flows out of the operation box from the water outlet; the edge of the plurality of part mounting holes is provided with a first waterproof flange, and the height of the first waterproof flange is smaller than that of the key when the key is popped up.

Preferably, the waterproof layer is inclined in the horizontal direction, and the height of the side provided with the water outlet is lower than that of the side without the water outlet; the water outlet is arranged at the bottom of the lower panel; and a water collecting tank is arranged in the shell, the upper end of the water collecting tank is communicated with the water outlet, and the lower end of the water collecting tank is communicated with the water outlet.

Preferably, the waterproof layer is attached to the circuit board; the waterproof layer is a silica gel layer, and the top of the connecting lug is arc-shaped and is in interference fit connection with the part mounting hole.

Preferably, the water guiding groove is formed by connecting each of the plurality of connecting projections, so that the liquid flowing into the operation box from each of the plurality of part mounting holes flows into the water guiding groove.

Preferably, the upper panel is provided with a horizontal part, the height difference between the horizontal part and the upper panel is less than 0.5cm, and the horizontal part and the upper panel are connected through a waterproof double-sided adhesive tape.

Preferably, a microphone is arranged in the shell, a microphone sound playing area is arranged at a position of the upper panel corresponding to the microphone, and the microphone sound playing area comprises a plurality of sound playing ports; and a waterproof sound-transmitting membrane is arranged on one surface of the microphone sound-playing area facing the outside of the shell or one surface facing the inside of the shell.

Preferably, a key is arranged on the part mounting hole, a sealing ring is arranged between the key and the upper panel, and the sealing ring enables the key to be connected with the upper panel in a seamless mode.

Preferably, the side of the shell is provided with a plurality of interfaces, the edge of each interface is provided with a second waterproof flange, and the second waterproof flange isolates the interfaces from the shell of the waterproof operation box.

Preferably, the bottom of the lower panel is provided with a plurality of supporting feet, and the height of the supporting feet is 0.2-2 cm.

The invention also discloses medical equipment which comprises an execution assembly and a control assembly, wherein the control assembly comprises the waterproof operation box.

After the technical scheme is adopted, compared with the prior art, the method has the following beneficial effects:

1. the waterproof layer is arranged between the upper panel and the circuit board and is connected with the upper panel in a sealing mode, so that liquid reaching the upper panel cannot flow onto the circuit board through the part mounting hole and is received by the waterproof layer; the water guide groove is arranged on the waterproof layer, and the height of the side provided with the water outlet is lower than that of the side not provided with the water outlet, so that liquid in the water guide groove flows out of the operation box through the water outlet and is prevented from flowing to the circuit board;

2. through the first waterproof flange and the second waterproof flange, when water is splashed to the control box, part of water is prevented from flowing into the circuit board through the part mounting hole;

3. for the key, preventing liquid from entering the shell through the edge of the key by the sealing ring; and for the horizontal parts and the microphone except the keys, liquid is prevented from entering the shell through the waterproof sound-transmitting film and the waterproof double-sided adhesive tape.

Drawings

Fig. 1 is a schematic structural view of a waterproof layer of a waterproof operation box provided by the present invention;

FIG. 2 is a vertical sectional view of the waterproof box according to the present invention, with the emergency stop button as a section;

FIG. 3 is a vertical sectional view of the waterproof box according to the present invention, with the water outlet as a cut surface;

FIG. 4 is a vertical sectional view of the waterproof box of the present invention, with the display screen as a section;

FIG. 5 is a vertical sectional view of the waterproof box according to the present invention, with the key as a section;

fig. 6 is a vertical sectional view of the waterproof operation box according to the present invention, with the interface as a cut surface.

Reference numerals: 1-shell, 1-1-upper panel, 1-2-lower bottom plate, 2-waterproof layer, 3-water guiding groove, 4-connecting lug, 5-water outlet, 6-sealing ring, 7-light transmission area, 8-supporting leg, 9-water collecting groove, 10-display screen, 11-waterproof double faced adhesive tape, 12-microphone, 13-waterproof sound transmission film, 14-first waterproof flange, 15-interface, and 16-emergency stop button.

Detailed Description

The advantages of the invention are further illustrated in the following description of specific embodiments in conjunction with the accompanying drawings.

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in themselves. Thus, "module" and "component" may be used in a mixture.

Referring to fig. 1-2, the present invention discloses a waterproof operation box, which comprises a housing 1 and a circuit board disposed in the housing 1, wherein the waterproof operation box needs to isolate and waterproof the circuit board in the housing 1, so as to prevent the circuit board from being damaged after contacting with liquid. The shell 1 comprises an upper panel 1-1 and a lower bottom plate 1-2, the upper panel 1-1 is connected with the lower bottom plate 1-2 in a sealing way, namely, a channel for liquid to pass through does not exist at the joint between the upper panel 1-1 and the lower bottom plate 1-2, so that the waterproof work needs to be concentrated on the self structures of the upper panel 1-1 and the lower bottom plate 1-2.

Specifically, a waterproof layer 2 is arranged between the circuit board and the upper panel 1-1, a plurality of connecting lugs 4 are arranged on one surface, facing the upper panel 1-1, of the waterproof layer 2, the connecting lugs 4 are arranged corresponding to the part mounting holes, the waterproof layer 2 is in sealing connection with the upper panel 1-1 through the connecting lugs 4, the waterproof layer 2 is designed to be fully covered on the circuit board, the circuit board is isolated from the upper panel 1-1, and liquid flowing down from the upper panel 1-1 can only be accepted by the waterproof layer 2 and cannot be left on the circuit board.

In order to prevent the liquid on the waterproof layer 2 from flowing in a further guiding direction, the waterproof layer 2 is provided with a water chute 3, the liquid on the waterproof layer 2 circulates through the water chute 3, the water chute 3 comprises a water outlet 5, the lower bottom plate 1-2 is provided with a water outlet, the water outlet is communicated with the outside of the shell 1, the height of the water outlet 5 is larger than that of the water outlet, and the water outlet 5 is communicated with the water outlet so that the liquid in the water chute 3 flows out of the operation box from the water outlet. The liquid on the waterproof layer 2 circulates to the water outlet 5 through the water chute 3 and is discharged out of the shell 1 through the water outlet.

Generally, the top panel 1-1 is provided with a plurality of component mounting holes for mounting various components, assemblies, or keys for operation, display, and interaction.

The above is a waterproof arrangement after the liquid has flowed into the casing 1, and the present invention is also correspondingly provided with a design for preventing the liquid from entering the casing 1 through each component mounting hole, specifically, the edge of a plurality of component mounting holes is provided with a first waterproof flange 14, the first waterproof flange 14 separates the component mounting hole from the upper panel 1-1, even if the liquid flows around the component mounting hole, the liquid will be blocked by the first waterproof flange 14, and the liquid will not enter the casing 1 through the component mounting hole. In order not to affect the use of the keys, the height of the first waterproof lip 14 should be smaller than the height of the keys when they are ejected, and should preferably be set to one third of the height of the keys when they are ejected.

Typically, the upper panel 1-1 will be provided with a crash stop button 16, and a circumferential ring of the crash stop button 16 will be provided with the first watertight flange 14. When the liquid runs down, most of the water will run down the first waterproof flange 14 to waterproof the scram button 16. When water flows into the interior of the emergency stop switch along with the water flow, the sealing grade which is in accordance with IP65 and can not flow into the interior of the shell 1 can be realized due to the sealing ring 6 arranged at the assembly position of the emergency stop switch button and the upper panel 1-1.

Preferably, referring to fig. 3, the waterproof layer 2 is inclined in the horizontal direction, and the height of the side provided with the water outlet 5 is lower than the height of the side not provided with the water outlet 5, when liquid exists on the waterproof layer 2, the liquid on the side flows from the side with the higher height to the side with the lower height, so that the liquid on the waterproof layer 2 is guided out.

The water outlet is arranged at the bottom of the lower bottom plate 1-2, a water collecting tank 9 is arranged in the shell 1, the upper end of the water collecting tank 9 is communicated with the water outlet 5, the lower end of the water collecting tank 9 is communicated with the water outlet, and liquid flowing down from the waterproof layer 2 is directly discharged out of the shell 1 due to gravity.

Preferably, the waterproof layer 2 is attached to the circuit board, so that no water is supplied to the circuit board. The waterproof layer 2 is a silica gel layer, so that pressure can not be applied to the circuit board, and normal work of the circuit board is guaranteed.

And the top of the connection lug 4 on the waterproof layer 2 is the arc, and this connection lug 4 also is the silica gel material for can form a sealing state as far as possible through being full of the cooperation connection between waterproof layer 2 and the part mounting hole, in order to cut off the passageway that liquid got into in the casing 1 between passing through the part mounting hole.

It should be noted that the component mounting hole is not only a hole for mounting components, but also refers to all mounting components, operation components, display components, or interactive components different from the upper panel 1-1.

Preferably, the water chute 3 is provided with a plurality of connecting projections 4, so that the liquid flowing into the operation box from each of the plurality of component mounting holes flows into the water chute 3, and the liquid possibly permeating from each of the component mounting holes is supported by the water chute 3 in all directions.

Preferably, referring to fig. 4, the upper panel 1-1 is provided with a horizontal component, the height difference between the horizontal component and the upper panel 1-1 is less than 0.5cm, generally, the horizontal component is a display screen 10 for displaying pictures, the display screen 10 and the upper panel 1-1 are bonded by a waterproof double-sided adhesive tape 11, the waterproof double-sided adhesive tape 11 has sufficient waterproof characteristics, the display and the upper panel 1-1 are locked by screws, and the waterproof double-sided adhesive tape 11 is in a completely compressed state to achieve waterproofing.

It should be noted that the height difference between the horizontal component and the upper panel 1-1 is only for showing the relative horizontal state of the horizontal component, and is not limited by the height of the horizontal component, and the height difference of 0.5cm may be other values, for example, when the planar size of the upper panel 1-1 is larger, the height difference may be larger.

Preferably, a microphone 12 is disposed in the casing 1, a sound playing area of the microphone 12 is disposed at a position of the upper panel 1-1 corresponding to the microphone 12, the sound playing area of the microphone 12 includes a plurality of sound transmitting holes, the sound transmitting holes are small sound transmitting holes, and a waterproof sound transmitting film 13 is disposed on one surface of the sound playing area of the microphone 12 facing the outside of the casing 1 or one surface facing the inside of the casing 1. The waterproof sound-transmitting membrane 13 has a small loss of sound volume and can be waterproof, so that the liquid on the upper panel 1-1 does not flow into the housing 1 when flowing into the sound-playing area of the microphone 12.

The upper panel 1-1 is also provided with a light-transmitting area 7, the light-transmitting area 7 and the upper panel 1-1 are made of different materials and are bonded through glue, and liquid cannot flow into the control box through the connecting part between the light-transmitting area 7 and the upper panel 1-1 because no gap exists between the light-transmitting area 7 and the upper panel 1-1.

Preferably, referring to fig. 5, the component mounting hole is provided with a key, a sealing ring 6 is arranged between the key and the upper panel 1-1, and the sealing ring 6 enables seamless connection between the key and the upper panel 1-1. When liquid water flows too big and flows to the button inboard, the below of button is a monoblock silica gel waterproof layer 2, and this silica gel waterproof layer 2 pastes completely on the circuit board, and the liquid can flow on waterproof layer 2 and can not flow to cause the circuit board short circuit on the circuit board this moment.

The sealing ring 6 may be in the form of a separate sealing structure or may be a connection protrusion 4 of the waterproof layer 2.

Preferably, with reference to fig. 6, the side of the casing 1 is provided with a plurality of ports 15, the edges of the ports 15 being provided with second waterproof flanges which insulate the ports 15 from the casing 1 of the waterproof operating box. Usually, the side of the casing 1 is provided with a power interface 15 or a communication interface 15, and the edge of the interface 15 is provided with a second waterproof flange, so that the liquid can flow down along the second waterproof flange and cannot flow into the control box.

Preferably, the second waterproof flange may not be a closed-loop flange, but may simply be a boss, disposed above the interface 15 so that liquid does not flow into the interior of the connector.

Preferably, the bottom of the lower bottom plate 1-2 is provided with a plurality of supporting feet 8, the height of the whole control box is increased, if water is accumulated on the desktop, the water cannot overflow into the operation box, the number of the supporting feet 8 is preferably 4, and the stability of the shell 1 is ensured. The height of the supporting feet 8 is preferably 0.2-2 cm.

When the operation box is splashed with water on the front side and liquid flows to the emergency stop switch, a circle of first flange is arranged around the emergency stop switch of the upper panel 1-1, and the liquid can flow down along the first flange and cannot flow into the control box. The sealing ring 6 at the fixing position of the emergency stop switch can prevent water flow from flowing downwards.

When the liquid flows to the light transmission region 7, the light transmission region 7 and the upper panel 1-1 are bonded, so that water cannot flow into the upper panel 1-1.

When the liquid flows to the display screen 10, the display screen 10 and the upper panel 1-1 are bonded by the waterproof double-sided adhesive tape 11, so that the water can be prevented from flowing to the inside of the display screen 10.

When the liquid flows to the sound-playing hole of the microphone 12, the waterproof sound-transmitting film 13 is adhered to the back of the position, so that the waterproof function can be realized.

When liquid flows to the side of the key from top to bottom, the upper panel 1-1 at the side of the key is provided with a circle of first flanges, so that water flow downwards along the first flanges is realized, and the water flow cannot flow to the inside of the key.

When the water flow of the liquid flows into the key, the water flow cannot flow onto the circuit board immediately due to the silica gel waterproof layer 2 arranged between the lower side of the key and the circuit board. The silica gel waterproof layer 2 and the upper panel 1-1 are in a sealed and compressed state, so that water cannot flow to other places, only the water chute 3 of the silica gel flows, and finally the water outlet 5 flowing out of the silica gel waterproof layer 2 flows to the water outlet of the lower panel 1-2 so as to flow to the outer side of the operation box. The power interface 15 of the lower bottom plate 1-2 has a ring of second flanges, and the liquid will flow down the second flanges and will not flow into the power interface 15.

When the desktop has effusion, the bottom of the lower bottom plate 1-2 is provided with four supporting legs 8 to heighten the bottom of the operation box, so that liquid can not accumulate inside the operation box, thereby realizing the integral water-proof operation.

It should be noted that the embodiments of the present invention have been described in terms of preferred embodiments, and not by way of limitation, and that those skilled in the art can make modifications and variations of the embodiments described above without departing from the spirit of the invention.

Claims

1. A waterproof operation box comprises a shell and a circuit board arranged in the shell, and is characterized in that the shell comprises an upper panel and a lower bottom plate, and the upper panel is hermetically connected with the lower bottom plate;

the upper panel is provided with a plurality of part mounting holes, a waterproof layer is arranged between the circuit board and the upper panel, a plurality of connecting lugs are arranged on one surface of the waterproof layer facing the upper panel, the connecting lugs are arranged corresponding to the part mounting holes, and the waterproof layer is hermetically connected with the upper panel through the connecting lugs to isolate the circuit board from the upper panel;

a water chute is arranged on the waterproof layer and comprises a water outlet, a water outlet is arranged on the lower panel, and the water outlet is communicated with the outside of the shell; the height of the water outlet is larger than that of the water outlet, and the water outlet is communicated with the water outlet so that the liquid in the water chute flows out of the operation box from the water outlet;

the edge of the plurality of part mounting holes is provided with a first waterproof flange, and the height of the first waterproof flange is smaller than that of the key when the key is popped up.

2. The waterproof operation box according to claim 1, wherein the waterproof layer is inclined in a horizontal direction, and a height of a side where the water outlet is provided is lower than a height of a side where the water outlet is not provided;

the water outlet is arranged at the bottom of the lower panel; and a water collecting tank is arranged in the shell, the upper end of the water collecting tank is communicated with the water outlet, and the lower end of the water collecting tank is communicated with the water outlet.

3. The waterproof operation box according to claim 1, wherein the waterproof layer is attached to the circuit board;

the waterproof layer is a silica gel layer, and the top of the connecting lug is arc-shaped and is in interference fit connection with the part mounting hole.

4. The waterproof operation box according to claim 1, wherein said water guide groove is formed through each of said plurality of connection projections so that the liquid flowing into said operation box from each of said plurality of parts mounting holes flows into said water guide groove.

5. The waterproof box according to claim 1, wherein a horizontal part is provided on the upper panel, a height difference between the horizontal part and the upper panel is less than 0.5cm, and the horizontal part and the upper panel are connected by a waterproof double-sided adhesive tape.

6. The waterproof operation box according to claim 1, wherein a microphone is arranged in the shell, a microphone sound playing area is arranged at a position of the upper panel corresponding to the microphone, and the microphone sound playing area comprises a plurality of sound playing ports; and a waterproof sound-transmitting membrane is arranged on one surface of the microphone sound-playing area facing the outside of the shell or one surface facing the inside of the shell.

7. The waterproof box according to claim 1, wherein a key is provided on said component mounting hole, and a seal ring is provided between said key and said upper panel, said seal ring enabling seamless connection between said key and said upper panel.

8. The waterproof operating box according to claim 1, wherein a plurality of ports are provided on a side surface of the case, and a second waterproof flange is provided on an edge of the ports, the second waterproof flange isolating the ports from the case of the waterproof operating box.

9. The waterproof operation box according to claim 1, wherein the bottom of the lower panel is provided with a plurality of supporting feet, and the height of the supporting feet is 0.2-2 cm.

10. A medical device comprising an actuating assembly and a control assembly, wherein the control assembly comprises the waterproof operating cartridge of claims 1-9.