Inspection terminal structure

Abstract

The invention discloses an inspection terminal structure, which comprises a shell, the shell comprises a bottom accommodating part, a front panel, a back panel, a side panel and a top panel, and a PCBA (Printed Circuit Board Assembly) board is arranged in the shell; the front panel extends from the surface of the front panel and is provided with a first protective enclosure, the back panel extends from the surface of the back panel and is provided with a second protective enclosure, and the surface of the bottom accommodating part is provided with a plurality of keys; a TEV detection unit assembly comprising an electromagnetic sensor array is arranged on the top panel, an infrared thermal imaging unit assembly, a visible light camera assembly and a laser positioning unit assembly are respectively arranged on the back panel, and a permalloy shielding part is arranged between the visible light camera assembly and the laser positioning unit assembly. By implementing the inspection terminal structure, the function integration level is high, and the reliable detection requirement under the complex working condition can be met; the structure is simple and reasonable, and cost is easy to control.

Description

Technical Field

[0001] The present invention relates to the technical field of power inspection equipment, and in particular to an inspection terminal structure. Background Art

[0002] In the existing technology, the data transmission equipment of the power inspection terminal structure relies on the distributed architecture and edge computing capabilities of the power Hongmeng system. It is mainly responsible for real-time monitoring of state quantities such as partial discharge and temperature field distribution of substation equipment, and realizes early warning of equipment insulation degradation through multi-source data fusion. It is the core perception node for building the digital twin system of the power grid.

[0003] Traditional inspection terminals have a single structure and function, and their functional integration is not high. In addition, there are problems such as unreasonable structural design and high product costs. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide an inspection terminal structure with high functional integration, which can meet the reliable detection requirements under complex working conditions; the structure is simple and reasonable, and the cost is easy to control.

[0005] To solve the above technical problems, the present invention provides an inspection terminal structure, comprising: a housing, the housing comprising: a bottom accommodating member, a front panel, a back panel, side panels, and a top panel; the housing being a hollow structure formed by sequentially connecting the front panel, the back panel, and the side panels between the top panel and the open end of the bottom accommodating member; a PCBA board being mounted within the housing; a first protective enclosure extending from a surface of the front panel, and a second protective enclosure extending from a surface of the back panel, the second protective enclosure being annular; a surface of the bottom accommodating member being provided with a plurality of buttons, each of which is respectively connected to the PCBA board; a hand strap made of a conductive silicone material and having anti-slip patterns on the inner side of the hand strap; a TEV detection unit assembly including an electromagnetic sensor array being mounted on the top panel, and an infrared thermal imaging unit assembly, a visible light camera assembly, and a laser positioning unit assembly being mounted on the back panel, respectively; wherein a permalloy shielding member is mounted between the visible light camera assembly and the laser positioning unit assembly.

[0006] Among them, the measurement range of the TEV detection unit assembly is 0-60dBmV; a composite protective ring is set around the infrared thermal imaging unit assembly, the infrared thermal imaging unit assembly is equipped with an uncooled focal plane detector, and the temperature measurement range of the infrared thermal imaging unit assembly is -20℃ to 550℃.

[0007] Among them, the back panel is also equipped with a laser ranging unit component, a distance sensing unit component, a fill light unit component and an ultrasonic detection unit component which are respectively connected to the PCBA board, wherein: the height dimension of the second protective enclosure is greater than the height dimension of each unit component.

[0008] Among them, the laser ranging unit component adopts TOF ranging; the ultrasonic detection unit component adopts a sunken installation structure.

[0009] Among them, the laser positioning unit component is a semiconductor laser with a wavelength of 650nm.

[0010] Among them, a display screen connected to the PCBA board is installed on the front panel, and a handset containing an anti-noise reduction microphone array is set above the display screen; a front ranging unit and a light sensor are respectively provided on the opposite sides of the handset, and the front ranging unit and the light sensor are respectively connected to the PCBA board.

[0011] Among them, the bottom of the bottom container is equipped with a 3.5mm standard headphone jack and a Type-C charging port. The Type-C charging port supports 5V / 2.4A fast charging protocol.

[0012] Among them, the bottom of the bottom container also includes: a Lemo interface, and the Lemo interface is set to IP67 protection level.

[0013] The inspection terminal structure of the present invention has the following beneficial effects: the inspection terminal structure includes: a shell, the shell includes: a bottom container, a front panel, a back panel, a side panel and a top panel; the shell is a hollow structure formed by the front panel, the back panel and the side panel being sequentially connected between the top panel and the open end of the bottom container; a PCBA board is installed inside the shell; the front panel is provided with a first protective enclosure extending from its surface, the back panel is provided with a second protective enclosure extending from its surface, the second protective enclosure is annular, and the surface of the bottom container is provided with a plurality of buttons, the plurality of buttons They are respectively connected to the PCBA board; the bottom accommodating part is also provided with a hand-held strap, which is made of conductive silicone material and has anti-slip texture on the inner side of the hand-held strap; the top panel is equipped with a TEV detection unit component including an electromagnetic sensor array with a bandwidth of 3-100MHz, and the back panel is respectively equipped with an infrared thermal imaging unit component, a visible light camera component and a laser positioning unit component, wherein: a permalloy shielding member is installed between the visible light camera component and the laser positioning unit component, with high functional integration, which can meet the reliable detection requirements under complex working conditions; the structure is simple and reasonable, and it is easy to control costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0015] Figure 1 This is a structural diagram of the inspection terminal structure from a first perspective according to an embodiment of the present invention.

[0016] Figure 2 This is a structural diagram of the inspection terminal structure from a second perspective according to an embodiment of the present invention. DETAILED DESCRIPTION

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0018] like Figure 1-Figure 2 FIG. 1 shows a first embodiment of the inspection terminal structure of the present invention.

[0019] The inspection terminal structure in this embodiment can be based on the adaptive anti-interference mechanism of the power Hongmeng system, and includes: a housing 1, which includes: a bottom container 101, a front panel 102, a back panel 103, a side panel 104, and a top panel 105; the housing 1 is a hollow structure formed by sequentially connecting the front panel 102, the back panel 103, and the side panel 104 between the top panel 105 and the open end of the bottom container 101; the PCBA board is installed inside the housing 1;

[0020] A first protective enclosure 13 is provided on the front panel 102 and a second protective enclosure 10 is provided on the back panel 103. The second protective enclosure 10 is annular. A plurality of buttons 14 are provided on the surface of the bottom accommodating member 101. The plurality of buttons 14 are respectively connected to the PCBA board.

[0021] A hand strap 11 is also provided on the bottom container 101. The hand strap 11 is made of conductive silicone material, and the inner side of the hand strap is provided with anti-slip textures.

[0022] The top panel 105 is equipped with a TEV detection unit assembly 2 comprising an electromagnetic sensor array with a bandwidth of 3-100 MHz. The back panel 103 is equipped with an infrared thermal imaging unit assembly 3, a visible light camera assembly 6, and a laser positioning unit assembly 8, respectively.

[0023] A permalloy shield is installed between the visible light camera assembly 6 and the laser positioning unit assembly 8 .

[0024] In practice, the side panels 104 are two symmetrically arranged. The hollow structure of the housing 1, formed by sequentially connecting the front panel 102, back panel 103, and side panels 104 between the top panel 105 and the open end of the bottom accommodating member 101, facilitates rapid assembly of components. This allows for prompt disassembly and repair of the terminal should technical issues arise. The split-molding and assembled structure facilitates timely optimization of the housing 1 structure.

[0025] During implementation, the housing 1 houses a PCBA board, which connects to each unit and / or unit assembly to control the function of each functional unit. For example, the PCBA board is electrically connected to the TEV detection unit assembly 2, the infrared thermal imaging unit assembly 3, the laser ranging unit assembly 4, the distance sensing unit assembly 5, the visible light camera assembly 6, the fill light unit assembly 7, the laser positioning unit assembly 8, and the ultrasonic detection unit assembly 9.

[0026] During implementation, the TEV detection unit assembly 2 is mounted on the top panel 105 and includes an electromagnetic sensor array with a bandwidth of 3-100 MHz, thereby complying with the DL / T 2050 standard. In this embodiment, the TEV detection unit assembly 2 has a measurement range of 0-60 dBmV, with a sensitivity error of ≤±1 dBmV.

[0027] The back panel 103 is sequentially provided with an infrared thermal imaging unit component 3 (640×512 pixels), a laser ranging unit component 4 (range 0.2-150m), a distance sensing unit component 5, a 16-megapixel visible light camera component 6, a fill light unit component 7 (total illumination ≥1000lux@0.5m) and an ultrasonic detection unit component 9 (center frequency 40kHz).

[0028] The effect of such a setting is that the stepped layout of each unit component can improve the multimodal detection accuracy.

[0029] During implementation, a composite protective ring (dielectric constant ε≤3.0) is set around the infrared thermal imaging unit assembly 3, the infrared thermal imaging unit assembly 3 is equipped with an uncooled focal plane detector, and the temperature measurement range of the infrared thermal imaging unit assembly 3 is -20°C to 550°C (so as to support the defect judgment criteria of Appendix H / I of DL / T 664).

[0030] The laser ranging unit assembly 4 uses TOF ranging with a range of 0.5-150m. The ranging error of the laser ranging unit assembly 4 satisfies the formula |Δd|≤0.05+0.001d.

[0031] Furthermore, the fill light unit assembly 7 includes: a 5500K±200K cold light LED array and a 3200K±150K warm light LED array; the two groups of LEDs are alternately distributed in a ring shape, supporting "spot temperature measurement" and "frame temperature measurement" mode fill light.

[0032] Furthermore, the function of the laser positioning unit component 8 is to use a 650nm wavelength laser (divergence angle <0.5mrad) in conjunction with a GNSS module (supporting GPS / Beidou / Glonass) to achieve precise positioning.

[0033] Preferably, the ultrasonic detection unit assembly 9 adopts a sunken installation structure, the center frequency of the ultrasonic detection unit assembly 9 is 40kHz±1kHz, and the sensitivity is ≥65dB.

[0034] Preferably, the height of the second protective enclosure 10 is greater than the height of each unit component, further enhancing the protective effect of the second protective enclosure 10.

[0035] Preferably, a 0.5 mm permalloy shield is provided between the visible light camera assembly 6 and the laser positioning unit assembly 8 , and the shield is provided to improve the accuracy of multimodal detection.

[0036] Furthermore, a display screen 12 is installed on the front panel 102, and an earpiece 15 including an anti-noise reduction microphone array is provided above the display screen 12. A front ranging unit 16 (range 0.2-5m, accuracy ±1cm) and a light sensor 17 (0-100klux range, response time ≤50ms) are provided on opposite sides of the earpiece 15.

[0037] The purpose of this setting is to support A-GPS assisted positioning and enable fast cold start.

[0038] Furthermore, the bottom of the bottom container 101 is equipped with a 3.5mm standard headphone jack 18 (standard 16Ω noise-canceling headphones) and a Type-C charging port 19, which supports 5V / 2.4A fast charging.

[0039] Furthermore, the bottom of the bottom accommodating component 101 further includes: a Lemo interface 20, which is configured with an IP67 protection grade and a voltage resistance grade ≥1000V.

[0040] Furthermore, the bottom accommodating member is provided with multiple buttons on its surface, each of which is connected to the PCBA. A hand strap (surface resistivity ≤ 10^6Ω·cm) is also provided on the bottom accommodating member. The hand strap is made of conductive silicone and has anti-slip grooves on its inner surface. The grooves are 0.5-1.0mm deep and spaced 2-3mm apart. This enhances the handheld portability of the inspection terminal structure.

[0041] The inspection terminal structure in this embodiment is connected to each unit and / or unit component via a PCBA board. Each unit component adopts a stepped layout, and the use of shielding components can improve the accuracy of multimodal detection. It meets the modular expansion requirements of Hongmeng ecological devices, has a high interface protection level, and has small bus contact impedance fluctuations in dusty and humid environments.

[0042] The inspection terminal structure in this embodiment includes: a shell, which includes: a bottom container, a front panel, a back panel, a side panel and a top panel; the shell is a hollow structure formed by the front panel, the back panel and the side panel being sequentially connected between the top panel and the open end of the bottom container; a PCBA board is installed inside the shell; the front panel is provided with a first protective enclosure extending from its surface, and the back panel is provided with a second protective enclosure extending from its surface, the second protective enclosure is annular, and a plurality of buttons are provided on the surface of the bottom container, and the plurality of buttons are respectively connected to the PCBA board; a handheld The hand-held strap is made of conductive silicone material, and the inner side of the hand-held strap is provided with anti-slip grooves; the top panel is equipped with a TEV detection unit component including an electromagnetic sensor array with a bandwidth of 3-100MHz, and the back panel is respectively equipped with an infrared thermal imaging unit component, a visible light camera component and a laser positioning unit component, wherein: a permalloy shield is installed between the visible light camera component and the laser positioning unit component, the structure is streamlined and reasonable, and it is easy to control costs; at the same time, the inspection terminal structure has a high degree of functional integration, which can meet the reliable detection requirements under complex working conditions and enhance the credibility and real-time performance of the panoramic perception data of power equipment.

Claims

1. A patrol terminal structure, characterized in that: include: The housing comprises: a bottom accommodating member, a front panel, a back panel, side panels, and a top panel; the housing is a hollow structure formed by sequentially connecting the front panel, the back panel, and the side panels between the top panel and the open end of the bottom accommodating member; a PCBA board is installed inside the housing; A first protective enclosure is provided on the surface of the front panel, and a second protective enclosure is provided on the surface of the back panel. The second protective enclosure is annular. A plurality of buttons are provided on the surface of the bottom accommodating member, and the plurality of buttons are respectively connected to the PCBA board. The bottom container is also provided with a hand strap, which is made of conductive silicone material and has anti-slip textures on the inner side of the hand strap; The top panel is equipped with a TEV detection unit assembly including an electromagnetic sensor array, and the back panel is equipped with an infrared thermal imaging unit assembly, a visible light camera assembly and a laser positioning unit assembly, wherein: The TEV detection unit assembly, the infrared thermal imaging unit assembly, the visible light camera assembly and the laser positioning unit assembly are respectively connected to the PCBA board; a permalloy shielding member is installed between the visible light camera assembly and the laser positioning unit assembly.

2. The inspection terminal structure according to claim 1, characterized in that: The measurement range of the TEV detection unit assembly is 0-60dBmV; A composite protective ring is provided on the periphery of the infrared thermal imaging unit assembly. The infrared thermal imaging unit assembly is equipped with an uncooled focal plane detector. The temperature measurement range of the infrared thermal imaging unit assembly is -20°C to 550°C.

3. The inspection terminal structure according to claim 1, characterized in that: The back panel is also equipped with a laser ranging unit component, a distance sensing unit component, a fill light unit component and an ultrasonic detection unit component which are respectively connected to the PCBA board, wherein: the height dimension of the second protective enclosure is greater than the height dimension of each unit component.

4. The inspection terminal structure according to claim 3, characterized in that: The laser ranging unit assembly adopts TOF ranging; the ultrasonic detection unit assembly adopts a sunken installation structure.

5. The inspection terminal structure according to claim 1, characterized in that: The laser positioning unit component is a semiconductor laser with a wavelength of 650nm.

6. The inspection terminal structure according to claim 1, characterized in that: A display screen connected to the PCBA board is installed on the front panel, and an earpiece containing an anti-noise reduction microphone array is set above the display screen; a front ranging unit and a light sensor are respectively provided on opposite sides of the earpiece, and the front ranging unit and the light sensor are respectively connected to the PCBA board.

7. The inspection terminal structure according to claim 1, characterized in that: The bottom of the bottom container is equipped with a 3.5mm standard headphone jack and a Type-C charging interface, and the Type-C charging interface supports 5V / 2.4A fast charging protocol.

8. The inspection terminal structure according to claim 7, characterized in that: The bottom of the bottom accommodating component further includes: a Lemo interface, and the Lemo interface is set to an IP67 protection grade.

Images