CN211210361U - Electromagnetic compatibility of automatically controlled box of airborne refrigeration separates chamber structure - Google Patents
Electromagnetic compatibility of automatically controlled box of airborne refrigeration separates chamber structure Download PDFInfo
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- CN211210361U CN211210361U CN201922033360.2U CN201922033360U CN211210361U CN 211210361 U CN211210361 U CN 211210361U CN 201922033360 U CN201922033360 U CN 201922033360U CN 211210361 U CN211210361 U CN 211210361U
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Abstract
The utility model discloses an electromagnetic compatibility of automatically controlled box of machine-mounted refrigeration separates chamber structure, including quick-witted case, control panel, power strip, mother board, separate chamber, filter assembly, first electric connector, second electric connector, control panel, power strip set up in quick-witted incasement portion one side, the mother board sets up in quick-witted bottom of the case portion, separate the chamber setting at quick-witted incasement portion opposite side, filter assembly bottom set up and be in separate the intracavity, second electric connector be located the quick-witted case outside and with separate the chamber intercommunication, first electric connector be located the quick-witted case outside and pass the arc wall that separates chamber bottom and be connected with the mother board, the utility model discloses electromagnetic compatibility is effectual, through separating the chamber design back, has guaranteed the isolation of quick-witted incasement portion circuit and outside pencil, has effectively restrained the automatically controlled box of refrigeration to have produced the external world and has disturbed, improved the automatically controlled box.
Description
Technical Field
The utility model belongs to controller electromagnetic compatibility structural design field relates to an electromagnetic compatibility of automatically controlled box of machine-mounted refrigeration separates chamber structure.
Background
In the working process of the airborne evaporation cycle refrigeration system, the refrigeration electronic control box is used as a core control component, and according to a control instruction transmitted by the helicopter electromechanical integrated management system and the collected temperature, each component of the control system operates according to a formulated state and monitors the working state of the system; carrying out power-on BIT and periodic BIT detection on the system; judging system faults and returning fault codes to the electromechanical integrated management system; in the working process of the refrigeration electric control box, the electromagnetic interference generated to the outside cannot exceed the electromagnetic compatibility requirement on the machine, and meanwhile, the refrigeration electric control box cannot be interfered by other electronic equipment on the machine, and the electromagnetic compatibility design is required.
Disclosure of Invention
The utility model aims at: the partition cavity design is simple in structure and capable of achieving electromagnetic compatibility.
For solving the technical problem, the technical proposal of the utility model is that:
the utility model provides an electromagnetic compatibility who carries automatically controlled box of refrigeration separates a chamber structure which characterized in that: including quick-witted case, control panel, power strip, mother board, separate chamber, filter assembly, first electric connector, second electric connector, control panel, power strip set up in quick-witted incasement portion one side, the mother board sets up in machine bottom portion, separate the chamber setting at quick-witted incasement portion opposite side, filter assembly bottom set up and be in separate the intracavity, second electric connector be located quick-witted case outside and with separate the chamber intercommunication, first electric connector be located quick-witted case outside and pass the arc wall that separates chamber bottom and be connected with the mother board.
The upper cover plate is arranged at the top of the case.
The lower cover plate is arranged at the bottom of the case.
The filter component is characterized by further comprising a wire outlet hole, wherein the wire outlet hole is formed in one side of the filter component.
The filter component is a through-core capacitor bank.
The first electric connector is connected with an external data signal through a shielding wire, and the data signal directly enters the motherboard in the case.
The second electric connector is connected with an external alternating current and direct current power supply signal through a non-shielding wire, the alternating current and direct current power supply signal enters the filtering component through the separation cavity, and enters the case from a wire outlet hole on the filtering component to be connected with the motherboard.
The technical effects of the utility model are that:
1. the volume is small: carrying out partition layout in a limited structural space;
2. the weight is light: because the design of the separate cavity reduces the inductive filtering aiming at each power line, the device is reduced, the structure is simplified, the assembly is compact, and the weight is reduced;
3. the electromagnetic compatibility effect is good: after the design of the separated cavity, the isolation of the circuit inside the case and an external wire harness is ensured, the interference of the refrigeration electric control box to the outside is effectively inhibited, and the anti-interference capability of the refrigeration electric control box is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the power supply comprises an upper cover plate 1, a chassis 2, a control plate 3, a power panel 4, a lower cover plate 5, a motherboard 6, a separation cavity 7, a filter assembly 8, a first electric connector 9, a second electric connector 10 and a wire outlet 11.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
the utility model discloses as shown in fig. 1, the automatically controlled box of refrigeration includes upper cover plate 1, quick-witted case 2, control panel 3, power strip 4, lower apron 5, mother board 6, separates chamber 7, filtering component 8, first electric connector 9, second electric connector 10. The control panel 3 and the power panel 4 are vertically installed on one side in the case through locking strips, the motherboard 6 is horizontally installed on the lower cover plate 5, and the second electric connector 10 is isolated outside the case 2 by the separation cavity 7 and the filter assembly 8.
The first electrical connector 9 is connected to an external data signal through a shielded wire, and the data signal is directly inputted to the motherboard 6 inside the housing 2. The second electric connector 10 is connected with an external alternating current and direct current power supply signal through a non-shielding wire, the alternating current and direct current power supply signal enters the filter assembly 8 through the separation cavity 7 and enters the case 2 through the wire outlet hole 11 on the filter assembly 8 to be connected with the motherboard 6, interference generated by the alternating current and direct current power supply signal on the electric connector 10 is prevented from entering the case, and the resistance value is also prevented from being transmitted out along a wire bundle.
The maximum external dimension of the compartment 7 is 100mm × 55mm × 35mm, and the joint with the case 2 needs to be completely sealed to prevent electromagnetic leakage.
The maximum external dimension of the filter component 8 is 95mm × 33mm × 35mm, a feedthrough capacitor bank is arranged inside the filter component, the filter component is composed of 15 feedthrough capacitors, and the filter component is used for filtering 15 alternating current and direct current power supply signals respectively, wherein the capacitance value of the feedthrough capacitor for filtering the alternating current power supply signals is 1nF, and the capacitance value of the feedthrough capacitor for filtering the direct current power supply signals is 0.1 uF.
Claims (6)
1. The utility model provides an electromagnetic compatibility who carries automatically controlled box of refrigeration separates a chamber structure which characterized in that: including quick-witted case (2), control panel (3), power strip (4), motherboard (6), separate chamber (7), filter assembly (8), first electric connector (9), second electric connector (10), control panel (3), power strip (4) set up in quick-witted case (2) inside one side, motherboard (6) set up in quick-witted case (2) bottom, separate chamber (7) set up in quick-witted case (2) inside opposite side, filter assembly (8) bottom set up separate chamber (7) in, second electric connector (10) be located quick-witted case (2) outside and with separate chamber (7) intercommunication, first electric connector (9) be located quick-witted case (2) outside and pass the arc wall that separates chamber (7) bottom and be connected with motherboard (6).
2. The electric control box electromagnetic compatibility that carries of machine carries of claim 1 separates the compartment structure, characterized by: the multifunctional cabinet is characterized by further comprising an upper cover plate (1), wherein the upper cover plate (1) is arranged on the top of the cabinet (2).
3. The electric control box electromagnetic compatibility that carries of machine carries of claim 1 separates the compartment structure, characterized by: the novel cabinet is characterized by further comprising a lower cover plate (5), wherein the lower cover plate (5) is arranged at the bottom of the cabinet (2).
4. The electric control box electromagnetic compatibility that carries of machine carries of claim 1 separates the compartment structure, characterized by: the filter component (8) is a through-core capacitor bank.
5. An electromagnetic compatibility compartment structure of an onboard refrigeration electronic control box according to claim 1, characterized in that: the first electric connector (9) is connected with an external data signal through a shielded wire, and the data signal directly enters the motherboard (6) inside the case.
6. An electromagnetic compatibility compartment structure of an onboard refrigeration electronic control box according to claim 1, characterized in that: the second electric connector (10) is connected with external alternating current and direct current power supply signals through a non-shielding wire, the alternating current and direct current power supply signals enter the filter assembly (8) through the separation cavity (7), and enter the case through a wire outlet hole (11) on the filter assembly (8) to be connected with the motherboard (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922033360.2U CN211210361U (en) | 2019-11-21 | 2019-11-21 | Electromagnetic compatibility of automatically controlled box of airborne refrigeration separates chamber structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922033360.2U CN211210361U (en) | 2019-11-21 | 2019-11-21 | Electromagnetic compatibility of automatically controlled box of airborne refrigeration separates chamber structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211210361U true CN211210361U (en) | 2020-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922033360.2U Active CN211210361U (en) | 2019-11-21 | 2019-11-21 | Electromagnetic compatibility of automatically controlled box of airborne refrigeration separates chamber structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211210361U (en) |
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2019
- 2019-11-21 CN CN201922033360.2U patent/CN211210361U/en active Active
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