CN212459941U - Touch detection device for distribution box - Google Patents
Touch detection device for distribution box Download PDFInfo
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- CN212459941U CN212459941U CN201922346740.1U CN201922346740U CN212459941U CN 212459941 U CN212459941 U CN 212459941U CN 201922346740 U CN201922346740 U CN 201922346740U CN 212459941 U CN212459941 U CN 212459941U
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- distribution box
- power supply
- detection device
- panel
- touch detection
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Abstract
The utility model relates to a touch detection device of a distribution box, which comprises a box body, a panel, a touch display screen, a distribution box interface, a direct current power supply interface, a control circuit board and a switch power supply; the box body is formed by riveting an aluminum alloy frame and a fireproof panel, the panel is fastened on the box body, the touch display screen is embedded into the panel, the power distribution box interface and the direct-current power supply interface are fastened on the panel, and the control circuit board and the switching power supply are placed inside the box body (1); the control circuit board collects all input and output signals of the distribution box and controls corresponding IO hardware to simulate signals required by the distribution box. The utility model has the advantages of detect high-efficient, convenient operation, direct-viewing, measure accurate, human-computer interface friendly.
Description
Technical Field
The utility model belongs to block terminal detection area, concretely relates to block terminal touch detection device.
Background
The distribution box product needs to detect a plurality of important parameters such as the on-off of each branch circuit and the insulation between the branch circuits in the after-sale repair process, the detection of the distribution box product in the after-sale repair process is realized through manual detection at present, and workers utilize a universal meter to detect each branch circuit of the distribution box item by item. In the detection process, the distribution box has a plurality of branches, so that the work is very complicated, and errors are easy to make.
SUMMERY OF THE UTILITY MODEL
The utility model provides a block terminal touch detection device realizes block terminal's quick, accurate detection.
In order to solve the technical problem, the utility model provides a block terminal touch detection device, its characterized in that: the touch display screen is composed of a box body 1, a panel 2, a touch display screen, a power distribution box interface, a direct-current power supply interface, a control circuit board and a switch power supply; the box body 1 is formed by riveting an aluminum alloy frame and a fireproof panel, the panel 2 is fastened on the box body 1, the touch display screen is embedded into the panel 2, the power distribution box interface and the direct-current power supply interface are fastened on the panel 2, and the control circuit board and the switching power supply are placed inside the box body 1; the control circuit board collects all input and output signals of the distribution box and controls corresponding IO hardware to simulate signals required by the distribution box.
Has the advantages that: the utility model discloses use industry single board computer to gather all input/output signals of block terminal, through the signal that corresponding IO hardware simulation block terminal of industry single board computer control needs to accomplish the test of being surveyed the block terminal. The utility model has the advantages of detect high-efficient, convenient operation, direct-viewing, measure accurate, human-computer interface friendly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention
Fig. 2 is a side view of the present invention.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following description will be made in further detail with respect to the embodiments of the present invention.
The utility model provides a pair of block terminal touch detection device comprises box 1, panel 2, touch display screen, block terminal interface, DC power supply interface, control circuit board 3, switching power supply.
The box 1 is made with the fire prevention panel riveting by aluminum alloy frame, and panel 2 uses the screw fastening on box 1, and touch display screen uses the buckle mounting means, imbeds in panel 2, and on block terminal interface, DC power supply interface were fastened to panel 2 by the screw, control circuit board, switching power supply placed inside box 1.
The control circuit board is the core component of the utility model, which comprises a signal input circuit, a CPU board card, a signal output circuit, a distribution box interface and a power supply;
the signal input circuit is composed of a plurality of light emitting diodes and a photoelectric coupling TLP521-4 array, voltage signals output by the tested distribution box are transmitted to the CPU board card after being subjected to photoelectric coupling isolation, and the photoelectric coupling TLP521-4 is used for achieving electric isolation and avoiding damage to the CPU board card due to faults of the tested distribution box.
The CPU board card uses the MC9S12XS128 minimum system board, and has the functions of overvoltage and overcurrent protection and self-diagnosis. The watchdog timer is arranged, and when the vehicle crashes due to a fault, the watchdog timer can automatically reset without manual intervention. The system has the advantages of good openness and compatibility, capability of configuring a real-time operating system, convenience for multi-task scheduling and operation, small structure, rich port configuration and flexibility in use.
The CPU board card is used for reading the signal of the signal input circuit, judging and processing the signal and then sending the signal to the touch display screen for displaying;
the signal output circuit uses a mode of adding a relay to the optical coupling TLP521-4, and the optical coupling TLP521-4 is used for realizing electrical isolation.
The control end of the signal output circuit is connected with the CPU board card and is controlled by the CPU board card, the output end of the signal output circuit is connected with a signal source of the tested distribution box, and the signal source contains analog signals and digital signals required by the operation of the tested distribution box;
the distribution box interface uses a special aviation electric connector to ensure reliable and stable connection. The display screen uses an 8-inch industrial touch screen, an 800X 600 graphic dot matrix and a 65K color display screen. The power supply uses industrial switching power supplies of alternating current 220V to direct current 24V, 12V and 5V, and all the industrial switching power supplies are isolated by adopting an optical isolation technology. The isolation voltage reaches 2500V, and core circuit components cannot be damaged when high-voltage components break down.
The utility model discloses control circuit board adopts industry single board computer, gathers all input/output signal of block terminal, through industry single board computer operation, judgement (this belongs to the conventional technical means in this field, does not belong to the design main points of the utility model), the signal that the corresponding IO hardware simulation block terminal of control needs to accomplish the test of being surveyed the block terminal. The socket of switch and insurance is taken to the installation AC220V article shape of box lateral wall, and the inside left side of box leaves 70 mm's thing space of putting for placing article such as test cable, and the right side is for showing measurement area, and touch detection device uses an 8 inches industry touch-sensitive screen.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be considered as the protection scope of the present invention.
Claims (8)
1. The utility model provides a block terminal touch detection device which characterized in that: the touch display screen is characterized by comprising a box body, a panel, a touch display screen, a power distribution box interface, a direct-current power supply interface, a control circuit board and a switching power supply; the box body is formed by riveting an aluminum alloy frame and a fireproof panel, the panel is fastened on the box body, the touch display screen is embedded into the panel, the power distribution box interface and the direct-current power supply interface are fastened on the panel, and the control circuit board and the switching power supply are placed inside the box body (1); the control circuit board collects all input and output signals of the distribution box and controls corresponding IO hardware to simulate signals required by the distribution box.
2. A distribution box touch detection device according to claim 1, wherein: the control circuit board mainly comprises a signal input circuit, a CPU board card and a signal output circuit;
the signal input circuit is used for isolating a voltage signal output by the tested distribution box through an optical coupler and then transmitting the voltage signal to the CPU board card;
the CPU board card is used for reading the signal of the signal input circuit, judging and processing the signal and then sending the signal to the touch display screen for displaying;
the control end of the signal output circuit is connected with the CPU board card, the output end of the signal output circuit is connected with a signal source of the tested distribution box, and the signal output circuit outputs analog signals and digital signals required by the operation of the tested distribution box.
3. A distribution box touch detection device according to claim 2, wherein: the CPU board card is provided with a timer for automatic reset when the CPU board card is halted due to a fault.
4. A distribution box touch detection device according to claim 1, wherein: the distribution box interface uses a dedicated avionic connector.
5. A distribution box touch detection device according to claim 2, wherein: the signal output circuit adopts a structure of a light coupling and a relay.
6. A distribution box touch detection device according to claim 2, wherein: the display screen uses an 8-inch industrial touch screen, an 800X 600 graphic dot matrix and a 65K color display screen.
7. A distribution box touch detection device according to claim 2, wherein: the power supply of the control circuit board is an industrial switching power supply which is changed from alternating current 220V to direct current 24V, 12V and 5V.
8. A distribution box touch detection device according to claim 7, wherein: the isolation voltage of the power supply reaches 2500V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346740.1U CN212459941U (en) | 2019-12-24 | 2019-12-24 | Touch detection device for distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922346740.1U CN212459941U (en) | 2019-12-24 | 2019-12-24 | Touch detection device for distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212459941U true CN212459941U (en) | 2021-02-02 |
Family
ID=74480948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922346740.1U Active CN212459941U (en) | 2019-12-24 | 2019-12-24 | Touch detection device for distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212459941U (en) |
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2019
- 2019-12-24 CN CN201922346740.1U patent/CN212459941U/en active Active
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