CN211959775U - Integrated control box of alternating current contactor - Google Patents
Integrated control box of alternating current contactor Download PDFInfo
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- CN211959775U CN211959775U CN202020682864.7U CN202020682864U CN211959775U CN 211959775 U CN211959775 U CN 211959775U CN 202020682864 U CN202020682864 U CN 202020682864U CN 211959775 U CN211959775 U CN 211959775U
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Abstract
The utility model discloses an alternating current contactor integrated control box, including casing, bottom plate, apron, nuclear core plate, signal conditioning board, electric connector a plurality of, signal conditioning board installs on the casing inner wall, electric connector welding is on signal conditioning board, signal conditioning board passes through electric connector and is connected with the bottom plate, nuclear core plate and signal conditioning board are connected, signal conditioning board and nuclear core plate are all installed in the casing, the apron passes through the screw and closes with the casing opening side closure, the casing lateral wall is installed on the bottom plate, this application is convenient for quick installation and dismantlement of module; the contact area of the bottom plate and an external mounting support is large, so that stress can be well transferred and dispersed; a maintenance interface is reserved on the shell, and firmware of the control module can be upgraded through the maintenance interface; the separated design of the core board and the signal conditioning board is convenient for debugging products, the maintainability and the reusability of the control module are increased, and the occupied space of the PCB is reduced.
Description
Technical Field
The utility model relates to an ac contactor integrated control case.
Background
The novel intelligent control module of the alternating current contactor is a control module product derived in the matched development process of a certain airplane power distribution device, mainly achieves the functions of on-off control and load current limited value detection and uploading of an alternating current contactor load circuit, and simultaneously performs functions of overcurrent protection, ground protection, hardware rapid protection, fault protection self-locking, fault clearing, state output and the like on a load circuit. The intelligent product with similar functions has the defects of space waste, extra additional weight and the like caused by the use of the conventional product in an airplane power distribution device due to the factors of larger size, heavier weight, inconvenient installation, non-uniform functions and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an ac contactor integrated control case.
The utility model discloses a following technical scheme can realize.
The utility model provides a pair of ac contactor integrated control case, including casing, bottom plate, apron, nuclear core plate, signal conditioning board, electric connector a plurality of, the signal conditioning board is installed on shells inner wall, and the electric connector welding is on the signal conditioning board, and the signal conditioning board passes through the electric connector to be connected with the bottom plate, and nuclear core plate is connected with the signal conditioning board, and the signal conditioning board is all installed in the casing with nuclear core plate, and the apron passes through the screw and opens the side of the shell mouth and seals the closure, and the casing lateral wall is installed on the bottom plate.
The signal conditioning board is installed on the inner wall of the shell through a countersunk screw.
The electrical connector communicates and transmits data with an external management computer over the ARIN429 bus.
The electric connector is electrically connected with the three-phase alternating current contactor.
The bottom plate is provided with a plurality of fastening screws, and the fastening screws are connected with external mechanical equipment.
The cover plate is provided with an opening, and the opening is used for an electric connector cable to pass through.
And the core board is provided with a main control chip DSP, a storage chip, a communication chip and a level conversion chip.
And the signal conditioning board is provided with a signal acquisition module, a signal conditioning module and an alternating current contactor coil control module.
The core board is connected with the signal conditioning board through a detachable screw.
The beneficial effects of the utility model reside in that: the external mechanical interface is positioned on the bottom plate, and the four corners of the bottom plate are shown in a loose screw mode, so that the module can be conveniently and rapidly mounted and dismounted; the contact area of the bottom plate and an external mounting support is large, so that stress can be well transferred and dispersed; the shell is provided with a maintenance interface, so that the firmware of the control module can be upgraded through the maintenance interface without disassembling the module for upgrading; the separated design of the core board and the signal conditioning board is convenient for debugging products, the maintainability and the reusability of the control module are increased, and the occupied space of the PCB is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
in the figure: 1-shell, 2-cover plate, 3-bottom plate, 4-core plate and 5-signal conditioning plate.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
In order to get rid of the defects of the prior products, adapt to the structural design layout of the power distribution device of the airplane and improve the space utilization rate of components of the power distribution device, the invention integrates the corresponding functions, reselects the types of the electrical components and designs the module. This novel intelligent control module designs according to technical requirement, and the product passes through software and realizes hardware circuit self-checking, real time monitoring contactor's operating condition and quality, and control module has ARINC429 bus communication function simultaneously, can be to its running state of sending of management computer cycle and product information data. And an RS232 bus maintenance interface of the control module can complete matching and interchange of the control module and the alternating current contactor by changing parameters, running state data and a working log.
Fig. 1 and 2 show an ac contactor integrated control box, which includes a housing 1, a bottom plate 3, a cover plate 2, a core plate 4, a signal conditioning plate 5, and a plurality of electrical connectors, wherein the signal conditioning plate 5 is installed on the inner wall of the housing 1, the electrical connectors are welded on the signal conditioning plate 5, the signal conditioning plate 5 is connected with the bottom plate 3 through the electrical connectors, the core plate 4 is connected with the signal conditioning plate 5, the signal conditioning plate 5 and the core plate 4 are both installed in the housing 1, the cover plate 2 is closed with the opening side of the housing 1 through screws, and the side wall of the housing 1 is installed on the bottom plate 3.
The signal conditioning board 5 is installed on the inner wall of the shell 1 through countersunk screws, an external mechanical interface is positioned on the bottom board 3, and the four corners of the bottom board are shown in a loose screw-free mode, so that the modules can be rapidly installed and disassembled conveniently.
The electric connector communicates with an external management computer through an ARIN429 bus and transmits data; the electric connector is also electrically connected with the three-phase alternating current contactor to realize the sampling of the contactor by the control box.
The bottom plate 3 is provided with a plurality of fastening screws, the fastening screws are connected with external mechanical equipment, the contact area of the bottom plate and an external installation support is large, and stress can be well transmitted and dispersed.
The cover plate 2 is provided with an opening for passing an electrical connector cable.
The core board 4 is provided with a main control chip DSP, a storage chip, a communication chip and a level conversion chip.
The signal conditioning board 5 is provided with a signal acquisition module, a signal conditioning module and an alternating current contactor coil control module.
The core board 4 is connected with the signal conditioning board 5 through the detachable screws, and the core board 4 and the signal conditioning board 5 are separately designed, so that the debugging of a product is facilitated, the maintainability and reusability of the control module are improved, and the occupied space of the PCB is reduced.
The appearance of the whole shell 1 is square on the whole, the appearance is more regular, the arrangement of the space is convenient, the shell 1 is provided with the maintenance interface, the firmware of the control module can be upgraded through the maintenance interface, and the module does not need to be disassembled for upgrading.
The utility model discloses the principle: this control module mainly carries out the input and the output of signal as electrical interface through welding two electric connectors on PCB printed board, and is structural, the PCB board is fixed on the casing, be connected with the casing through countersunk screw, then seal through the apron, guarantee that components and parts do not direct exposure in external environment, the increase of bottom plate area can be fine carry out the dispersion of power and with outside bearing structure area of contact's increase, four loosening screws are not taken off on the bottom plate four corners and are fixed, ensure that the product is firm reliable. The superposition form of the two printed boards reduces the projection area of the product in a single direction, and realizes the utilization rate of space. The control module is matched with a three-phase alternating-current high-power alternating-current contactor for use, and power supply control, power supply protection and monitoring of high-power electric equipment are completed together.
Claims (9)
1. The utility model provides an alternating current contactor integrated control case which characterized in that: including casing (1), bottom plate (3), apron (2), core plate (4), signal conditioning board (5), the electric connector is a plurality of, install on casing (1) inner wall signal conditioning board (5), the electric connector welding is on signal conditioning board (5), signal conditioning board (5) are connected with bottom plate (3) through the electric connector, core plate (4) are connected with signal conditioning board (5), signal conditioning board (5) are all installed in casing (1) with core plate (4), apron (2) are closed through screw and casing (1) opening side closure, casing (1) lateral wall is installed on bottom plate (3).
2. An ac contactor integrated control box as claimed in claim 1, wherein: the signal conditioning plate (5) is installed on the inner wall of the shell (1) through a countersunk screw.
3. An ac contactor integrated control box as claimed in claim 1, wherein: the electrical connector communicates and transmits data with an external management computer over the ARIN429 bus.
4. An ac contactor integrated control box as claimed in claim 1, wherein: the electric connector is electrically connected with the three-phase alternating current contactor, and sampling of the contactor by the control box is realized.
5. An ac contactor integrated control box as claimed in claim 1, wherein: the bottom plate (3) is provided with a plurality of fastening screws, and the fastening screws are connected with external mechanical equipment.
6. An ac contactor integrated control box as claimed in claim 1, wherein: the cover plate (2) is provided with an opening, and the opening is used for allowing an electric connector cable to pass through.
7. An ac contactor integrated control box as claimed in claim 1, wherein: and the core board (4) is provided with a master control chip DSP, a storage chip, a communication chip and a level conversion chip.
8. An ac contactor integrated control box as claimed in claim 1, wherein: and the signal conditioning board (5) is provided with a signal acquisition module, a signal conditioning module and an alternating current contactor coil control module.
9. An ac contactor integrated control box as claimed in claim 1, wherein: the core board (4) is connected with the signal conditioning board (5) through a detachable screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682864.7U CN211959775U (en) | 2020-04-29 | 2020-04-29 | Integrated control box of alternating current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020682864.7U CN211959775U (en) | 2020-04-29 | 2020-04-29 | Integrated control box of alternating current contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211959775U true CN211959775U (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020682864.7U Active CN211959775U (en) | 2020-04-29 | 2020-04-29 | Integrated control box of alternating current contactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225945A (en) * | 2021-05-10 | 2021-08-06 | 上海昱章电气成套设备有限公司 | Digital speed controller |
-
2020
- 2020-04-29 CN CN202020682864.7U patent/CN211959775U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113225945A (en) * | 2021-05-10 | 2021-08-06 | 上海昱章电气成套设备有限公司 | Digital speed controller |
| CN113225945B (en) * | 2021-05-10 | 2023-03-10 | 上海昱章电气股份有限公司 | Digital speed controller |
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