CN118069540A - Embedded test generator for software test - Google Patents

Embedded test generator for software test Download PDF

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Publication number
CN118069540A
CN118069540A CN202410494035.9A CN202410494035A CN118069540A CN 118069540 A CN118069540 A CN 118069540A CN 202410494035 A CN202410494035 A CN 202410494035A CN 118069540 A CN118069540 A CN 118069540A
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CN
China
Prior art keywords
wall
plate
cable
movable
block
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410494035.9A
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Chinese (zh)
Inventor
章朝良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenyang Hiju Technology Co ltd
Original Assignee
Shenyang Hiju Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Shenyang Hiju Technology Co ltd filed Critical Shenyang Hiju Technology Co ltd
Priority to CN202410494035.9A priority Critical patent/CN118069540A/en
Publication of CN118069540A publication Critical patent/CN118069540A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an embedded test generator for software testing, which relates to the technical field of software testing and comprises a test equipment body, wherein a protection frame is sleeved on the outer wall of the test equipment body, a connecting block is arranged on one side of the test equipment body, a limiting component is arranged below the connecting block, a cable component is arranged inside the storage frame, the protection component comprises a plug tube, a pressing plate is arranged inside the plug tube, a connecting plate is arranged below the pressing plate, cables are arranged on two sides of the connecting plate, protection plates are arranged on two sides of the connecting block, crescent grooves are formed in one side of the protection plates, and two protection plates are symmetrically arranged about the central axis of the connecting block. According to the invention, through the arranged protection assembly, the joint is protected by utilizing the mutual matching of the plug tube, the pressing plate, the protection plate, the cable, the connecting plate and the push rod in the protection assembly, so that the water stain is prevented from immersing into the connecting tube, the test is interrupted, the equipment is damaged, and the connecting head is further protected.

Description

Embedded test generator for software test
Technical Field
The invention relates to the technical field of software testing, in particular to an embedded test generator for software testing.
Background
In the design of embedded systems, software is increasingly replacing hardware to reduce the cost of the system and obtain greater flexibility, and the software can be ensured to meet the requirement specification by testing the software, so that serious economic loss caused by failure of the software in the use process is avoided. In general, software testing has 7 basic stages, namely, module testing, integration testing, external function testing, regression testing, system testing, acceptance testing, and installation testing, wherein the module testing, integration testing, and system testing stages require embedded software testing using an embedded test generator.
The existing embedded test generator does not have the function of protecting the joint, when the water stain falls on the joint during testing, the water stain is immersed into the joint, so that the test is interrupted, and meanwhile, the joint is damaged due to the water stain.
Disclosure of Invention
Based on this, the present invention aims to provide an embedded test generator for software testing, so as to solve the technical problems set forth in the background above.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an embedded test generator for software testing, includes the test equipment body, test equipment body outer wall cover is equipped with the protection frame, test equipment body one side is provided with the connecting block, and the connecting block below is provided with deposits the frame, and deposits the frame and pass through the dismantlement subassembly movable mounting inside the test equipment body, the inside protective component that is provided with of connecting block, the connecting block below is provided with spacing subassembly, it is provided with cable subassembly to deposit the frame inside, protective component is including inserting a section of thick bamboo, it is provided with the clamp plate to insert a section of thick bamboo inside, the clamp plate below is provided with the connecting plate, the connecting plate both sides are provided with the cable, the connecting block both sides are provided with the guard plate, crescent moon groove has been seted up to guard plate one side, the guard plate is provided with two about connecting block axis symmetry.
Preferably, the clamp plate below extends to and inserts a section of thick bamboo diapire and connecting plate fixed connection through the push rod, the cable is provided with two about connecting plate central line symmetry, and the cable upper end extends to and inserts a section of thick bamboo outer wall and be connected with the guard plate, the guard plate passes through bull stick movable mounting inside the connecting block, and bull stick both ends pass through torsion spring coil and connecting block inner wall swing joint.
Preferably, the limiting component comprises a mounting cylinder, a fixing column is arranged inside the mounting cylinder, a moving cylinder is arranged above the mounting cylinder, a fixing block is arranged inside the moving cylinder, a limiting block is arranged inside the fixing block, and mounting columns are arranged on two sides of the mounting cylinder.
Preferably, the baffle is fixed with to the fixed column bottom, the baffle below is provided with the sliding plate, the sliding plate slip cap is established at the fixed column outer wall, the baffle is fixed connection with the fixed column top, the sliding plate below sets up the spacing collar, the spacing collar fixed bolster is established at the fixed column outer wall.
Preferably, a spring is arranged between the inner wall of the fixed block and one end of the limiting block, the limiting block is symmetrically arranged two about the central axis of the movable cylinder, the mounting column is movably connected with the connecting plate through a connecting rod, and a spring is arranged between one end of the connecting rod and the inner wall of the mounting column, and the mounting column is symmetrically arranged two about the central axis of the movable cylinder.
Preferably, the disassembling component comprises a pull rod, the pull rod extends to the inside of the storage frame, one end of the pull rod is movably connected with the clamping block through a connecting rod, a guide post is arranged on one side of the clamping block, the guide post is movably installed inside the clamping block, a spring is arranged between the inner wall of the clamping block and one end of the guide post, the two clamping blocks are symmetrically arranged on the central axis of the storage frame, the clamping block is movably installed inside the testing equipment body, clamping grooves matched with the clamping blocks are formed in the testing equipment body, limiting rods are arranged on two sides of the pull rod, and the two limiting rods are symmetrically arranged on the central axis of the pull rod.
Preferably, the cable subassembly includes the cable frame, the cable frame top is provided with the movable plate, the movable plate both sides extend to the inside and movable ring fixed connection of cable frame through the movable column, movable ring movable sleeve establishes at the bull stick outer wall, the bull stick bottom is through torsion spring circle and cable frame swing joint, the fixed cover of bull stick outer wall is equipped with the runner, runner outer wall cover is equipped with the cable, and cable one end is provided with the connector.
Preferably, the fixed cylinder is sleeved on the outer wall of the movable column, a spring is arranged on the outer wall of the movable column, a unidirectional wheel is fixed inside the movable ring, saw teeth are arranged inside the unidirectional wheel, saw teeth are fixed on the outer wall of the rotary rod, and the saw teeth arranged on the outer wall of the rotary rod are meshed with the saw teeth arranged inside the unidirectional wheel.
In summary, the invention has the following advantages:
1. According to the invention, through the arranged protection assembly, the joint is protected by utilizing the mutual matching of the plug tube, the pressing plate, the protection plate, the cable, the connecting plate and the push rod in the protection assembly, so that the water stain is prevented from immersing into the connecting tube, the test is interrupted, the equipment is damaged, and the connecting head is further protected.
2. According to the invention, through the cable assembly, the cable frame, the moving plate, the moving column, the fixed cylinder, the moving coil, the rotating wheel, the rotating rod, the torsion spring coil, the connector and the unidirectional wheel in the cable assembly are mutually matched, so that the cable can be pulled to a proper length according to the use requirement, and the cable is prevented from being excessively long, so that the cables are mutually wound, and the use of personnel is affected.
3. According to the cable assembly storage frame, the cable assembly can be stored in the storage frame by means of the disassembling assembly through the fact that the pull rod, the limiting rod, the clamping block, the guide post and the storage frame in the disassembling assembly are matched with each other, loss of the cable assembly is prevented, and meanwhile the storage frame can be pulled out quickly by pulling the pull rod for storage.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of a connection block of the present invention;
fig. 3 is a front view of the fender of the invention;
FIG. 4 is a cross-sectional view of a connection block of the present invention;
FIG. 5 is an enlarged view of FIG. 4 at A in accordance with the present invention;
FIG. 6 is a rear partial cross-sectional view of the present invention;
FIG. 7 is a front cross-sectional view of the cable assembly of the present invention;
Fig. 8 is a cross-sectional view of a moving coil and rotating rod of the present invention.
In the figure: 1. a testing device body; 2. a protective frame; 3. a storage frame; 4. a connecting block; 510. a plug cylinder; 520. a pressing plate; 530. a protection plate; 540. a cable; 550. a connecting plate; 560. a push rod; 610. a mounting cylinder; 620. a moving cylinder; 630. a mounting column; 640. a baffle; 650. fixing the column; 660. a limit ring; 670. a sliding plate; 680. a fixed block; 690. a limiting block; 710. a pull rod; 720. a limit rod; 730. a clamping block; 740. a guide post; 8. a cable frame; 810. a moving plate; 820. a moving column; 830. a fixed cylinder; 840. a moving coil; 850. a rotating wheel; 860. a rotating rod; 870. torsion spring coils; 880. a connector; 890. a unidirectional wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
The utility model provides an embedded test generator for software testing, as shown in fig. 1-8, including test equipment body 1, test equipment body 1 outer wall cover is equipped with protection frame 2, and test equipment body 1 one side is provided with connecting block 4, and connecting block 4 below is provided with deposits frame 3, and deposits frame 3 inside test equipment body 1 through dismantling subassembly movable mounting, and connecting block 4 is inside to be provided with protection component, and connecting block 4 below is provided with spacing subassembly, deposits the inside cable subassembly that is provided with of frame 3.
The protection frame 2 that sets up can protect test equipment body 1, the storage frame 3 of setting can deposit the cable subassembly, prevents that the cable subassembly from losing, the dismantlement subassembly of setting can be with depositing frame 3 and pull out fast, the protection subassembly of setting can protect joint department, prevent that water stain from causing the damage to joint department, the spacing subassembly of setting can be spacing to protection piece 570, prevent stopper 690 through spring return, then release connector 880 interface, the cable subassembly of setting, can pull the cable to suitable length as required.
Referring to fig. 2 and 4, the protection component includes a cartridge 510, a pressing plate 520 is disposed inside the cartridge 510, a connection plate 550 is disposed below the pressing plate 520, cables 540 are disposed on two sides of the connection plate 550, protection plates 530 are disposed on two sides of the connection block 4, a crescent groove is formed on one side of each protection plate 530, two protection plates 530 are symmetrically disposed about a central axis of the connection block 4, the lower portion of the pressing plate 520 extends to a bottom wall of the cartridge 510 through a push rod 560 to be fixedly connected with the connection plate 550, two cables 540 are symmetrically disposed about a central axis of the connection plate 550, an upper end of each cable 540 extends to an outer wall of the cartridge 510 to be connected with the corresponding protection plate 530, the protection plates 530 are movably mounted inside the connection block 4 through a rotary rod, and two ends of the rotary rod are movably connected with an inner wall of the connection block 4 through torsion coils.
When connector 880 moves to cartridge 510 inside, squeeze clamp plate 520, drive connecting plate 550 through push rod 560 and move down, then drive cable 540 and move down, simultaneously, drive two guard plates 530 inwards and remove, make its two guard plates 530 wrap up the joint, protect connector 880 department, prevent that the water stain from immersing in the joint inside, cause the damage to equipment.
Referring to fig. 2, 4 and 5, the limiting assembly includes a mounting cylinder 610, a fixing column 650 is disposed inside the mounting cylinder 610, a moving cylinder 620 is disposed above the mounting cylinder 610, a fixing block 680 is disposed inside the moving cylinder 620, a limiting block 690 is disposed inside the fixing block 680, mounting columns 630 are disposed on two sides of the mounting cylinder 610, a baffle 640 is fixed at a bottom end of the fixing column 650, a sliding plate 670 is disposed below the baffle 640, the sliding plate 670 is slidably sleeved on an outer wall of the fixing column 650, the baffle 640 is fixedly connected with a top end of the fixing column 650, a limiting ring 660 is disposed below the sliding plate 670, the limiting ring 660 is fixedly sleeved on an outer wall of the fixing column 650, springs are disposed between an inner wall of the fixing block 680 and one end of the limiting block 690, two limiting blocks 690 are symmetrically disposed about a central axis of the moving cylinder 620, the mounting column 630 is movably connected with a connecting plate 550 through a connecting rod, and springs are disposed between one end of the connecting rod and an inner wall of the mounting column 630, and the mounting column 630 is symmetrically disposed about the central axis of the moving cylinder 620.
When connecting plate 550 moves down, remove section of thick bamboo 620 and move down to the inside of installation section of thick bamboo 610, then extrude stopper 690 through baffle 640, after remove section of thick bamboo 620 and remove the certain position, reset through the effort of spring, can accomplish the installation, prevent that guard plate 530 from expanding, continue to move down, extrude stopper 690 through sliding plate 670, then through the inside spring that sets up of erection column 630, drive connecting plate 550 upwards, then drive clamp plate 520 upwards with the connector 880 release, guard plate 530 resets through torsion coil simultaneously.
Referring to fig. 6, the disassembling component includes a pull rod 710, the pull rod 710 extends into the storage frame 3, one end of the pull rod 710 is movably connected with the clamping block 730 through a connecting rod, a guide post 740 is disposed on one side of the clamping block 730, the guide post 740 is movably mounted inside the clamping block 730, springs are disposed between the inner wall of the clamping block 730 and one end of the guide post 740, the clamping block 730 is symmetrically disposed on two sides of the central axis of the storage frame 3, the clamping block 730 is movably mounted inside the testing device body 1, clamping grooves matched with the clamping block 730 are formed in the testing device body 1, limiting rods 720 are disposed on two sides of the pull rod 710, and the limiting rods 720 are symmetrically disposed on two sides of the central axis of the pull rod 710.
Pulling the pull rod 710, squeezing the connecting rod through the limit rod 720, then driving the clamping block 730 to move inwards, simultaneously, the clamping block 730 is separated from the clamping groove, and then continuing to pull the pull rod 710 outwards to drive the storage groove to move outwards for storage.
Referring to fig. 7 and 8, the cable assembly includes a cable frame 8, a movable plate 810 is disposed above the cable frame 8, two sides of the movable plate 810 extend to the inside of the cable frame 8 through a movable post 820 and are fixedly connected with a movable ring 840, the movable ring 840 is movably sleeved on an outer wall of a rotating rod 860, a bottom end of the rotating rod 860 is movably connected with the cable frame 8 through a torsion spring ring 870, a rotating wheel 850 is fixedly sleeved on an outer wall of the rotating rod 860, a cable is sleeved on an outer wall of the rotating wheel 850, one end of the cable is provided with a connecting head 880, a fixed cylinder 830 is sleeved on an outer wall of the movable post 820, a spring is disposed on an outer wall of the movable post 820, a unidirectional wheel 890 is fixed inside the movable post 840, sawteeth are disposed inside the unidirectional wheel 890, the outer wall of the rotating rod 860 is fixed with the sawteeth, and the sawteeth disposed on the outer wall of the rotating rod 860 are meshed with the sawteeth disposed inside the unidirectional wheel 890.
According to the requirement, pull two connectors 880, drive runner 850 then, pay off the cable, exert force to torsion coil 870 simultaneously, stop pulling after the suitable length is pulled, can carry out spacingly to bull stick 860 through the inside sawtooth that sets up of one-way wheel 890, after the use is accomplished, push down movable plate 810 downwards, drive through movable coil 840 drive one-way wheel 890 and remove downwards, break away from the sawtooth that bull stick 860 outer wall set up, then through torsion coil 870's effort, drive runner 850 and carry out the rolling to the cable.
When the cable assembly is used, the pull rod 710 is pulled, the connecting rod is extruded through the limiting rod 720, the clamping block 730 is driven to move inwards, meanwhile, the clamping block 730 is separated from the clamping groove, the pull rod 710 is pulled outwards continuously to drive the storage groove to move outwards, the cable assembly is taken out, then two connectors 880 are pulled according to the required length, the rotating wheel 850 is driven to pay off the cable, meanwhile, the torsion coil 870 is applied with force, after the cable assembly is pulled to a proper length, the pulling is stopped, the rotating rod 860 is limited through saw teeth arranged inside the one-way wheel 890, when the connectors 880 move inwards to the inserting cylinder 510, the pressing plate 520 is extruded, the connecting plate 550 is driven to move downwards through the push rod 560, the cable 540 is driven to move downwards, meanwhile, the two protection plates 530 are driven to move inwards, the connector is wrapped, the connector 880 is protected, meanwhile, the moving cylinder 620 moves downwards to the inside the mounting cylinder 610, the limiting block 690 is extruded through the baffle 640, and after the moving cylinder 620 moves to a certain position, the mounting can be completed through the acting force of the spring.
Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the invention, provided that such modifications are within the scope of the appended claims.

Claims (8)

1. The utility model provides an embedded test generator for software testing, includes test equipment body (1), its characterized in that: the testing device comprises a testing device body (1), wherein a protection frame (2) is sleeved on the outer wall of the testing device body (1), a connecting block (4) is arranged on one side of the testing device body (1), a storage frame (3) is arranged below the connecting block (4), the storage frame (3) is movably installed inside the testing device body (1) through a disassembly component, a protection component is arranged inside the connecting block (4), a limiting component is arranged below the connecting block (4), and a cable component is arranged inside the storage frame (3);
The protection assembly comprises an inserting cylinder (510), a pressing plate (520) is arranged inside the inserting cylinder (510), a connecting plate (550) is arranged below the pressing plate (520), cables (540) are arranged on two sides of the connecting plate (550), protection plates (530) are arranged on two sides of the connecting block (4), crescent grooves are formed in one side of each protection plate (530), and the protection plates (530) are symmetrically arranged in two with respect to the central axis of the connecting block (4).
2. An embedded test generator for software testing according to claim 1, wherein: the clamp plate (520) below extends to cartridge (510) diapire and connecting plate (550) fixed connection through push rod (560), cable (540) are provided with two about connecting plate (550) central line symmetry, and cable (540) upper end extends to cartridge (510) outer wall and guard plate (530) are connected, guard plate (530) are inside connecting block (4) through bull stick movable mounting, and bull stick both ends are through torsion spring circle and connecting block (4) inner wall swing joint.
3. An embedded test generator for software testing according to claim 1, wherein: the limiting component comprises a mounting barrel (610), a fixing column (650) is arranged inside the mounting barrel (610), a moving barrel (620) is arranged above the mounting barrel (610), a fixing block (680) is arranged inside the moving barrel (620), limiting blocks (690) are arranged inside the fixing block (680), and mounting columns (630) are arranged on two sides of the mounting barrel (610).
4. An embedded test generator for software testing according to claim 3, wherein: the fixed column (650) bottom is fixed with baffle (640), baffle (640) below is provided with sliding plate (670), sliding plate (670) slip cap is established at fixed column (650) outer wall, baffle (640) are fixed connection with fixed column (650) top, sliding plate (670) below sets up spacing collar (660), spacing collar (660) fixed sleeve is established at fixed column (650) outer wall.
5. An embedded test generator for software testing according to claim 3, wherein: the spring is arranged between the inner wall of the fixed block (680) and one end of the limiting block (690), the limiting block (690) is symmetrically arranged in two with respect to the central axis of the movable cylinder (620), the mounting column (630) is movably connected with the connecting plate (550) through the connecting rod, the spring is arranged between one end of the connecting rod and the inner wall of the mounting column (630), and the two mounting columns (630) are symmetrically arranged with respect to the central axis of the movable cylinder (620).
6. An embedded test generator for software testing according to claim 1, wherein: the disassembly component comprises a pull rod (710), the pull rod (710) extends to the inside of depositing frame (3), pull rod (710) one end passes through connecting rod and fixture block (730) swing joint, fixture block (730) one side is provided with guide post (740), guide post (740) movable mounting is inside fixture block (730), and is provided with the spring between fixture block (730) inner wall and guide post (740) one end, fixture block (730) are provided with two with respect to depositing frame (3) axis symmetry, fixture block (730) movable mounting is inside test equipment body (1), and test equipment body (1) inside offered with fixture block (730) assorted draw-in groove, pull rod (710) both sides are provided with gag lever post (720), and gag lever post (720) are provided with two with respect to pull rod (710) axis symmetry.
7. An embedded test generator for software testing according to claim 1, wherein: the cable assembly comprises a cable frame (8), a movable plate (810) is arranged above the cable frame (8), two sides of the movable plate (810) are extended to the inside of the cable frame (8) through movable posts (820) and fixedly connected with movable rings (840), movable sleeves of the movable rings (840) are arranged on the outer wall of a rotating rod (860), the bottom end of the rotating rod (860) is movably connected with the cable frame (8) through a torsion spring ring (870), a rotating wheel (850) is fixedly sleeved on the outer wall of the rotating rod (860), a cable is sleeved on the outer wall of the rotating wheel (850), and a connector (880) is arranged at one end of the cable.
8. An embedded test generator for software testing according to claim 7, wherein: the fixed cylinder (830) is sleeved on the outer wall of the movable column (820), a spring is arranged on the outer wall of the movable column (820), the unidirectional wheel (890) is fixed inside the movable ring (840), saw teeth are arranged inside the unidirectional wheel (890), saw teeth are fixed on the outer wall of the rotary rod (860), and the saw teeth arranged on the outer wall of the rotary rod (860) are meshed with the saw teeth arranged inside the unidirectional wheel (890).
CN202410494035.9A 2024-04-24 2024-04-24 Embedded test generator for software test Pending CN118069540A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410494035.9A CN118069540A (en) 2024-04-24 2024-04-24 Embedded test generator for software test

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410494035.9A CN118069540A (en) 2024-04-24 2024-04-24 Embedded test generator for software test

Publications (1)

Publication Number Publication Date
CN118069540A true CN118069540A (en) 2024-05-24

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ID=91095907

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CN202410494035.9A Pending CN118069540A (en) 2024-04-24 2024-04-24 Embedded test generator for software test

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CN (1) CN118069540A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102079326B1 (en) * 2018-08-14 2020-02-19 동양전자산업 주식회사 High-capacity multi-outlet
CN214707286U (en) * 2021-01-19 2021-11-12 广西辛普电力科技有限公司 Uninterrupted emergency power supply device
CN215867841U (en) * 2021-07-14 2022-02-18 中广高科(北京)信息技术有限公司 Embedded test generator for software test
CN216389900U (en) * 2021-12-13 2022-04-26 江苏方哲检测技术有限公司 Embedded test generator for software test
CN219689033U (en) * 2023-03-22 2023-09-15 天津中环安讯达科技有限公司 Portable coaxial cable tester
CN219708731U (en) * 2023-03-03 2023-09-19 华能国际电力股份有限公司大连电厂 Branching arrangement equipment
CN117907854A (en) * 2024-03-20 2024-04-19 陕西旭信通网络科技有限公司 Wireless communication's electric quantity monitoring terminal

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102079326B1 (en) * 2018-08-14 2020-02-19 동양전자산업 주식회사 High-capacity multi-outlet
CN214707286U (en) * 2021-01-19 2021-11-12 广西辛普电力科技有限公司 Uninterrupted emergency power supply device
CN215867841U (en) * 2021-07-14 2022-02-18 中广高科(北京)信息技术有限公司 Embedded test generator for software test
CN216389900U (en) * 2021-12-13 2022-04-26 江苏方哲检测技术有限公司 Embedded test generator for software test
CN219708731U (en) * 2023-03-03 2023-09-19 华能国际电力股份有限公司大连电厂 Branching arrangement equipment
CN219689033U (en) * 2023-03-22 2023-09-15 天津中环安讯达科技有限公司 Portable coaxial cable tester
CN117907854A (en) * 2024-03-20 2024-04-19 陕西旭信通网络科技有限公司 Wireless communication's electric quantity monitoring terminal

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