Shell structure with separated strong current and weak current

Abstract

The utility model discloses a strong and weak current separated shell structure. The shell structure comprises a front shell and a rear shell which are vertically arranged and mutually spliced front and back, a circuit shielding cover is installed in the middle of the inner side of the front shell, a power source is installed on the lower portion of the front shell, the circuit shielding cover is placed on a horizontal isolation supporting plate, the power source is located above the isolation supporting plate, and the isolation supporting plate is connected with the circuit shielding cover. A circuit board is mounted in the circuit shielding cover; a plurality of signal line interfaces are mounted at the upper part of the outer side of the rear shell; wherein a strong electric wire connected with the power supply penetrates through the isolation supporting plate and the circuit shielding cover to be connected with the circuit board, and weak electric wires connected with the circuit board penetrate through the circuit shielding cover to be connected with the signal line interfaces. The strong and weak current separated shell structure provided by the utility model meets the requirements of environmental interference resistance and strong and weak current separation of medical equipment, not only prevents power supply interference, but also does not affect heat dissipation, and ensures smooth operation of the equipment.

Description

Technical Field

[0001] The utility model relates to the field of medical equipment, in particular to a shell structure with strong and weak electricity separation. Background Art

[0002] Most existing medical devices lack electrical shielding, and lack a clear separation between strong and weak currents. This can lead to chaotic electrical signals and significant environmental interference in some environments, impacting device performance. Utility Model Content

[0003] To solve the above problems, the utility model provides a shell structure with separation of strong and weak electricity, which meets the requirements of medical equipment for anti-environmental interference and separation of strong and weak electricity, prevents power supply interference, does not affect heat dissipation, and ensures the smooth operation of the equipment.

[0004] According to one aspect of the utility model, a shell structure for separating strong and weak electricity is provided, including a front shell and a rear shell which are vertically arranged and spliced ​​together front to back, a circuit shielding cover is installed in the middle part of the inner side of the front shell, and a power supply is installed in the lower part, the circuit shielding cover is placed on a horizontal insulating support plate, the power supply is located above the insulating support plate, and a circuit board is installed inside the circuit shielding cover; a plurality of signal line interfaces are installed on the upper outer side of the rear shell; wherein, the strong electricity connected to the power supply passes through the insulating support plate and the circuit shielding cover to be connected to the circuit board, and the weak electricity connected to the circuit board passes through the circuit shielding cover to be connected to the signal line interfaces.

[0005] In some embodiments, a shielding cover is provided on the front side of the circuit shielding cover, and both the circuit shielding cover and the shielding cover are made of 2 mm thick aluminum metal plate.

[0006] In some embodiments, the top and bottom of the circuit shielding cover are each provided with a plurality of through-holes for passing wires, and the insulating support plate is provided with at least one through-hole for passing wires, which is connected to the through-holes in the bottom of the circuit shielding cover. The high-voltage wires pass through the through-holes and the through-holes in the bottom of the circuit shielding cover, and the low-voltage wires pass through the through-holes in the top of the circuit shielding cover. This is advantageous in that the specific structure of the circuit shielding cover and the insulating support plate is further described, and the through-holes and through-holes are provided for passing wires.

[0007] In some embodiments, the shielding cover is provided with a plurality of heat dissipation holes, which are advantageous in that the heat dissipation holes can be used to dissipate heat energy generated during operation of the device.

[0008] In some embodiments, an air pump is further installed on the upper portion of the front housing. The advantage of this is that the air pump can act as a power device when needed.

[0009] In some embodiments, a signal line board is provided on the upper outer portion of the rear housing, and each of the signal line interfaces is mounted on the signal line board. The benefit of this is that the specific mounting method of each signal line interface is further described.

[0010] In some embodiments, a detachable mounting plate is provided in the middle of the outer side of the rear housing, and a fan is installed in the central opening of the mounting plate. The advantage of the fan is that it can be used to cool the entire device.

[0011] In some embodiments, a power switch and a power interface are provided on the lower outer portion of the rear housing, and both the power switch and the power interface are connected to the power supply. Advantageously, the power switch and the power interface respectively function to turn the power on and off and connect the power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a structural schematic diagram of a shell structure for separating strong and weak electricity in one embodiment of the utility model;

[0013] Figure 2 for Figure 1 A schematic diagram of the inner structure of the front shell shown;

[0014] Figure 3 for Figure 2 A schematic diagram of the structure of the circuit shielding cover shown;

[0015] Figure 4 for Figure 2 A schematic structural diagram of the isolation support plate shown;

[0016] Figure 5 for Figure 1 Schematic diagram of the structure of the rear shell shown.

[0017] In the figure: front shell 1, rear shell 2, circuit shielding cover 3, power supply 4, isolation support plate 5, signal line interface 6, air pump 7, signal line board 8, mounting plate 9, fan 10, shielding cover 31, wire hole 32, heat dissipation hole 33, power switch 41, power interface 42, wire hole 51. DETAILED DESCRIPTION

[0018] The present invention will be further described in detail below with reference to the accompanying drawings.

[0019] like Figure 1As shown, the shell structure includes a front shell 1 and a rear shell 2, wherein the front shell 1 and the rear shell 2 are both vertically arranged and spliced ​​together one in front and one in back to form the shell structure.

[0020] like Figure 2-4 As shown, a circuit shielding cover 3 is installed in the middle of the inner side of the front shell 1, a power supply 4 is installed in the lower part, and a horizontal insulating support plate 5 is provided between the circuit shielding cover 3 and the power supply 4, wherein the circuit shielding cover 3 is directly placed on the insulating support plate 5, and the interior of the circuit shielding cover 3 is installed with a circuit board (not shown in the figure), and the power supply 4 is located below the insulating support plate 5.

[0021] The circuit shield 3 is roughly square, formed from a 2mm-thick aluminum sheet that has been bent. Nuts are pressed into the corners using a self-clinching process, and a 2mm-thick aluminum sheet is placed on the front as a shielding cover 31. This completely encases the circuit board in metal, isolating it from external interference.

[0022] A plurality of through-holes 32 are provided at the top and bottom of the circuit shielding cover 3, and at least one through-hole 51 is provided on the insulating support plate 5. The through-hole 51 is connected to the through-hole 32 at the bottom of the circuit shielding cover 3. A high-voltage power line (not shown) connected to the power supply 4 for transmitting high-voltage electricity passes through the through-hole 51 and the through-hole 32 at the bottom of the circuit shielding cover 3 and is connected to the circuit board inside the circuit shielding cover 3. This ensures that the high-voltage electricity can only be used to power the circuit board and is isolated by the circuit shielding cover 3 and cannot affect the overall structure of the housing.

[0023] Preferably, a plurality of heat dissipation holes 33 are provided on the shielding cover 31 for dissipating heat energy generated during operation of the device.

[0024] Preferably, an air pump 7 is also installed on the upper part of the front shell 1 to serve as a power device when needed.

[0025] like Figure 5 As shown, a signal line board 8 is provided on the upper outer side of the rear shell 2, and a plurality of signal line interfaces 6 are distributed and installed on the signal line board 8. The plurality of weak-current wires (not shown in the figure) connected to the circuit board for transmitting weak electricity all pass through the wire holes 51 at the top of the circuit shielding cover 3 and are respectively connected to each signal line interface 6, and then used to connect various signal lines externally.

[0026] A detachable mounting plate 9 is provided in the middle of the outer side of the rear housing 2 , and a fan 10 is installed in the central opening of the mounting plate 9 , and the operation of the fan 10 can be used to cool the entire device.

[0027] A power switch 41 and a power interface 42 are provided at the lower outer side of the rear shell 2 , wherein the power switch 41 and the power interface 42 are both connected to the power supply 4 , and respectively play the role of turning the power supply 4 on and off and connecting the power supply 4 .

[0028] The above descriptions are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, and these all fall within the scope of protection of the present invention.

Claims

1. A shell structure with separation of strong and weak electricity, characterized by: The invention comprises a front shell (1) and a rear shell (2) which are vertically arranged and spliced ​​to each other front and back, a circuit shielding cover (3) is installed in the middle of the inner side of the front shell (1), and a power supply (4) is installed in the lower part, the circuit shielding cover (3) is placed on a horizontal isolation support plate (5), the power supply (4) is located above the isolation support plate (5), and a circuit board is installed inside the circuit shielding cover (3); a plurality of signal line interfaces (6) are installed on the upper outer side of the rear shell (2); wherein, the strong wire connected to the power supply (4) passes through the isolation support plate (5) and the circuit shielding cover (3) to be connected to the circuit board, and each weak wire connected to the circuit board passes through the circuit shielding cover (3) to be connected to each of the signal line interfaces (6).

2. The housing structure for separating strong and weak electricity according to claim 1, characterized in that: A shielding cover (31) is provided on the front side of the circuit shielding case (3), and both the circuit shielding case (3) and the shielding cover (31) are made of 2 mm thick aluminum metal plates.

3. The housing structure for separating strong and weak electricity according to claim 1, characterized in that: The top and bottom of the circuit shielding cover (3) are both provided with a plurality of through-holes (32), and the isolation support plate (5) is provided with at least one through-hole (51), and the through-hole (51) is connected with each of the through-holes (32) at the bottom of the circuit shielding cover (3); wherein the strong wires pass through the through-holes (51) and the through-holes (32) at the bottom of the circuit shielding cover (3), and each of the weak wires passes through each of the through-holes (32) at the top of the circuit shielding cover (3).

4. The housing structure for separating strong and weak electricity according to claim 2, characterized in that: The shielding cover (31) is provided with a plurality of heat dissipation holes (33).

5. The housing structure for separating strong and weak electricity according to claim 1, characterized in that: An air pump (7) is also installed on the upper part of the front shell (1).

6. The housing structure for separating strong and weak electricity according to claim 1, characterized in that: A signal line board (8) is provided on the upper outer portion of the rear shell (2), and each of the signal line interfaces (6) is mounted on the signal line board (8).

7. The housing structure for separating strong and weak electricity according to claim 1, characterized in that: A detachable mounting plate (9) is provided at the middle portion of the outer side of the rear shell (2); the center of the mounting plate (9) is opened and a fan (10) is installed thereon.

8. The housing structure for separating strong and weak electricity according to claim 1, characterized in that: A power switch (41) and a power interface (42) are provided on the lower outer side of the rear shell (2), and both the power switch (41) and the power interface (42) are connected to the power supply (4).

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