CN112577537A - Detection device - Google Patents
Detection device Download PDFInfo
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- CN112577537A CN112577537A CN202011458202.2A CN202011458202A CN112577537A CN 112577537 A CN112577537 A CN 112577537A CN 202011458202 A CN202011458202 A CN 202011458202A CN 112577537 A CN112577537 A CN 112577537A
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- 238000001514 detection method Methods 0.000 title claims abstract description 95
- 238000012360 testing method Methods 0.000 claims description 15
- 238000012806 monitoring device Methods 0.000 claims description 13
- 238000009413 insulation Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
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- 238000000819 phase cycle Methods 0.000 description 1
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- 230000002035 prolonged effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/40—Balloons
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- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention belongs to the technical field of measurement and control, and discloses a detection device which comprises a detector, wherein a power input end is arranged on the detector, the detector also comprises a manual device and a power device, when detection operation is carried out, the manual device and/or the power device provide power for the power input end, the detector is carried on a flying device, and the flying device can drive the detector to fly. The detection device can select a proper driving mode according to the field operation environment, so that the detector can measure the equipment to be detected, the safety is improved, the manpower and material resources are saved, the detection operation efficiency is improved, the detection result is more accurate, and the flexibility of the detection device is enhanced.
Description
Technical Field
The invention relates to the technical field of measurement and control, in particular to a detection device.
Background
During operation, the detection device is often used to measure parameters of the object to be measured, such as voltage, current, temperature, liquid flow rate, wind speed, and the like of the object to be measured. At present, according to different types of objects to be detected and detection parameters, a detection device can be divided into a plurality of types, but any type of detection device must have corresponding detection conditions to detect the objects to be detected. Taking a megger as an example, the megger must be shaken by manpower to enable an internal generator to generate electricity, so that the megger has detection conditions, and then insulation detection is performed on electrical equipment and the like. When the manpower detection device is used for detection, the accuracy of detection results is influenced due to different forces, different operation postures, different rocking handle speeds and stable placement of the megger, the whole detection process is time-consuming and labor-consuming, and the field operation efficiency is greatly reduced.
Disclosure of Invention
The invention aims to provide a detection device, which can select a proper driving mode according to the field operation environment, so that a detector can carry out measurement operation on equipment to be detected, manpower and material resources are saved, the detection operation efficiency is improved, the detection result is more accurate, the flexibility of the detection device is enhanced, the electric shock danger caused by climbing up and down of workers is avoided, and the personal safety of the workers is guaranteed.
In order to achieve the purpose, the invention adopts the following technical scheme:
the detector comprises a detector, wherein a power input end is arranged on the detector, the detector further comprises a manual device and a power device, when detection operation is carried out, the manual device and/or the power device provide power for the power input end, the detector is carried on the flying device, and the flying device can drive the detector to fly.
Further, the manpower device is including having an elastic component, the elastic component install in on the manpower device, the manpower device makes the elastic component warp, makes kinetic energy is stored to the elastic component, it can be for to store kinetic energy the power input end provides power, the elastic component is the combination of any one or more modes in spring, torsional spring, extension spring or the clockwork spring.
Further, the power device comprises a driving device for providing power for the power input end, and the driving device is a motor or an air compressor.
Further, the detector also comprises a detection line and a mechanical arm, the detection line is electrically connected with the detector, any one or more of the detection line, the mechanical arm, the human power device and the power device are/is mounted on the detector and/or the flying device in a combined mode, and the mechanical arm can connect the detection line to the detection end of the equipment to be detected.
Further, at least one detection line is provided with a wiring device, and the wiring device comprises a wire connector and/or a magnetic wire connector.
Further, the wiring device is any one of an open loop device or a closed loop device or a clip or a fastener.
Further, the detector also comprises a jacket, the jacket is sleeved on the detector, and any one or more modes of the detection line, the mechanical arm, the human power device or the power device are combined and installed on the jacket and/or the flying device.
Furthermore, the detector also comprises a vibration-proof device.
Furthermore, the detection device also comprises monitoring equipment, and the detector and/or the flight device are/is connected with the monitoring equipment through wired and/or wireless communication.
Further, the detector is an electronic insulation detector, a non-electronic insulation detector, a megger, a voltmeter, an ammeter, a power meter, a frequency meter, a clamp meter, a thermodetector, an imager, a sound wave instrument, a light wave instrument, a brightness instrument, a magnetic field instrument or an electric field instrument.
Furthermore, the flying device also comprises an auxiliary flying device, and the auxiliary flying device can offset part of the weight of the flying device and/or part of the weight of the load of the flying device.
Furthermore, a fixer is arranged on the flying device and used for fixing the auxiliary flying device, the fixer is fixedly installed on the flying device, and the fixer is of a cover structure or a fork-shaped structure with holes.
The invention has the beneficial effects that: the detection device is provided with the power device, when detection operation is carried out, the human power device and/or the power device can provide power for the power input end on the detector, and a proper driving mode (a human power device driving mode, a human power device and power device dual-driving mode) can be selected according to the field operation environment, so that the detector can carry out measurement operation on equipment to be detected, the human power and the material resources are saved, the detection operation efficiency is improved, the detection result is more accurate, the flying device can avoid electric shock danger caused by the fact that a worker climbs up and down, and the personal safety of the worker is guaranteed.
Drawings
FIG. 1 is a schematic structural diagram of a detection apparatus according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a shock-proof device according to an embodiment of the present invention.
In the figure:
1. a human powered device; 2. a power plant; 3. a flying device; 31. a holder; 4. an auxiliary flying device;
11. a detector; 12. detecting lines; 13. a mechanical arm; 14. a shock-proof device; 141. a seven-shaped frame; 142. a bolt;
100. a device to be tested; 200. and (5) monitoring equipment.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
As shown in fig. 1-2, the present invention provides a detection device, which includes a detector 11, wherein the detector 11 is provided with a power input end, the detector 11 further includes a manual device 1 and a power device 2, when performing detection operation, the manual device 1 and/or the power device 2 provides power for the power input end, the detector 11 is mounted on a flying device 3, and the flying device 3 can drive the detector 11 to fly.
In this embodiment, during the detection operation, the driving of the manual device 1, the driving of the power device 2, or the dual driving modes of the manual device 1 and the power device 2 can be selected according to the field operation environment to provide power for the power input end of the detector 11, so as to improve the detection operation efficiency and make the detection result more accurate. In this embodiment, as a driving mode of the manual power device 1, the manual power device 1 may be a rocking handle, and the rocking handle is rotatably mounted on the detector 11 to provide power for a power input end of the detector 11. The detector 11 is mounted on the flying device 3, and the movement flexibility of the detector 11 is enhanced. The flying device 3 can be an unmanned aerial vehicle, and the flying device 3 is a conventional device in the field, and the specific structure and the working principle thereof are not described herein again.
In addition, some detectors 11 can be used without arranging the detection line 12, such as a temperature detector, an imager, and the like; the detector 11 of the technical scheme refers to the detector 11 without a detection line 12; the power inputs include electrical power inputs and/or mechanical power inputs (electrical power inputs, such as electrical energy storage devices like batteries); the human powered device 1 and/or the power device 2 may provide electrical and/or mechanical power to the power input.
Specifically, manpower device 1 is including having an elastic component, and the elastic component is installed on manpower device 1, and manpower device 1 makes the elastic component warp, makes the elastic component store kinetic energy, stores kinetic energy and can provide power for the power input end, and the elastic component is the combination of any one or more modes in spring, torsional spring, extension spring or the clockwork spring. In this embodiment, the elastic member is installed on the manual device 1, and during the use, the manual elastic member that makes is out of shape earlier and is stored kinetic energy, loosens the back, drives the quick rotation of manual device 1 under the effect of elastic member and provides power for the power input end. The elastic part can be also provided with a power conversion mechanism, so that the manual device can rotate at a constant speed under the driving of the elastic part.
Specifically, the power device 2 includes a driving device for providing power to the power input end, and the driving device is a motor or an air compressor. In this embodiment, as a driving manner of the power device, the driving device may also provide power for the power input end of the detector 11, and when the driving device is a motor, the output shaft of the motor is connected to the power input end of the detector 11 to directly provide power for the power input end; or the output shaft of the motor is connected with the power input end of the detector 11 through a transmission device (such as a transmission belt and a transmission chain) to provide power for the power input end. When the driving device is an air compressor, the air compressor blows the rotating blades to rotate at a constant speed so as to provide power for the power input end. In this embodiment, the motor or air compressor is mounted inside the detector 11, outside the detector 11, in a housing or other fixed location that can be placed.
More specifically, the electricity-taking mode of the motor or the air compressor is any one or combination of multiple modes of power-taking by a power grid, storage battery, solar energy, inverter or generator.
Specifically, the detector 11 further comprises a detection line 12 and a mechanical arm 13, the detection line 12 is electrically connected with the detector 11, any one or more of the detection line 12, the mechanical arm 13, the human power device 1 and the power device 2 are/is mounted on the detector 11 and/or the flying device 3 in a combined mode, and the mechanical arm 13 can connect the detection line 12 to the detection end of the equipment to be detected 100; since the flying apparatus 3 is large in size and position, the above-described apparatus is mounted on the flying apparatus 3.
In this embodiment, some detectors 11 need to be configured with a detection line 12 for use, such as an insulation detector, a voltmeter, an ammeter, and most electrical instruments, the detection line 12 may also be mounted on the flying device 3, when the detectors 11 need to be configured with the detection line 12 for detection, the detection line 12 is connected to detection ends on two sides of the device under test 100 through the mechanical arm 13 (in some cases, the ground may be considered as the detection end of the device under test 100, which is known and is not described in detail), so as to improve the safety of the detection work of the operator, and the device under test 100 may be a conductor, a wire, an electrical device, and the like.
In particular, at least one detection wire 12 is provided with a wiring device comprising a wire connector and/or a magnetic wire connector. In this embodiment, at least one of the inspection lines 12 is provided with a connector, which may be in various forms, such as a clip, a fastener, etc., and the connector has a structure and a function such that the inspection line 12 can be easily and well connected to the inspection end of the device under test 100. The robotic arm 13 manipulates the wire connectors and/or magnetic wire connectors so that they are conveniently and securely connected to the test end of the device under test 100. In addition, a magnetic wire connector may be further disposed on the detection line 12, so that the magnetic wire connector is attracted to the detection end of the device under test 100 by magnetic force.
Specifically, the wiring device is any one of an open-loop device or a closed-loop device or a clip or a fastener. In the present embodiment, the open loop device is in a hook shape or a circular arc shape, and the closed loop device is in a circular shape, a triangular shape, a polygonal shape, etc.; the mechanical arm 13 at least clamps one detection line 12 or a wire connector or a magnetic wire connector or a combination thereof and is connected to the detection end of the equipment to be detected 100; the mechanical arm 13 loosens the detection line 12 or the wire connector or the magnetic wire connector and detects after leaving the detection line 12 and the detection end; or the mechanical arm 13 directly clamps the device to be connected to the detection end of the device under test 100 for detection.
Specifically, the detector 11 further comprises a casing, the casing is sleeved on the detector 11, and any one or more of the detection line 12, the mechanical arm 13, the human power device 1 or the power device 2 are installed on the casing and/or the flying device 3 in a combined mode. The purpose of the casing is to protect the structure of the detector 11 from damage; the detector 11 can be used by being put into a jacket. In addition, the outer jacket may have various shapes, and may be a base type (container type), a lateral surrounding type, a longitudinal surrounding type, or the like. In this embodiment, the outer cover can protect the detector 11 and prevent the detector 11 from being damaged and affecting the detection result.
In particular, the detector 11 also comprises a shock-absorbing device 14. In this embodiment, during the detection operation, the human power device and/or the power device 2 needs to provide power to the power input end of the detector 11, and during the process, shaking vibration is generated to affect the detection result, so that the detector 11 is placed on the anti-vibration device 14 to effectively reduce the vibration. The anti-vibration device 14 includes a heptad frame 141 and a bolt 142, as shown in fig. 2, a vertical end of the heptad frame 141 is fixed to a fixed object, such as a fixed plate, etc., and the bolt 142 passes through a horizontal section of the heptad frame 141 and abuts against the detector 11, so that the anti-vibration device 14 prevents the detector 11 from shaking and vibrating during operation.
Specifically, the detector 11 is an electronic insulation detector, a non-electronic insulation detector, a megger, a voltmeter, an ammeter, a power meter, a frequency meter, a clamp meter, a thermometer, an imager, a sound wave meter, a light wave meter, a brightness meter, a magnetic field meter or an electric field meter; in addition, the detector 11 may also be a megohmmeter, a phase sequence meter, a phase meter, an electric field tester, a magnetic induction ammeter, a ground resistance meter, etc., and the specific name and function of the detector 11 are well known in the art, and all the devices included therein are not exhaustive. In this embodiment, when the detector 11 is an electronic insulation detector, the electronic insulation detector is provided with a battery or is powered by external power, and when the power is exhausted, the power input end is powered by a manual device and/or the power device 2, so that the electronic insulation detector performs normal detection operation.
In particular, the flying device (3) further comprises an auxiliary flying device (4), wherein the auxiliary flying device (4) can offset part of the weight of the flying device (3) and/or part of the weight of the load of the flying device (3). In this embodiment, the auxiliary flying device 4 may be a hydrogen balloon, a helium balloon, a hot air balloon or a balloon made of other material with density smaller than air and having lift force, when the weight of the carried object is larger than the rated carrying weight of the flying device 3, the flying device 3 cannot take off, and when the auxiliary flying device 4 is carried on the flying device 3, the weight of the carried object can be completely or partially offset, so that the flying device 3 can take off successfully, and the cruising ability of the flying device 3 is prolonged.
Specifically, a fixer (31) is arranged on the flying device (3) and used for fixing the auxiliary flying device (4), the fixer (31) is fixedly installed on the flying device (3), and the fixer (31) is of a cover structure with holes or a fork-shaped structure. In the flying process, the fixer 31 can effectively reduce the influence of the wind force in the lateral direction on the auxiliary flying device 4, so that the auxiliary flying device 4 can always keep an upward lifting force, and the flying device 3 can take off successfully.
Example two
The embodiment provides a detection device, and it further improves on the basis of embodiment one, makes detector 11 and/or flight device 3 possess remote control function, and operating personnel need not direct contact or operate detector 11, and whole journey remote control operation guarantees staff's personal safety, ensures the accuracy of testing result.
Specifically, the detection device further comprises a monitoring device 200, and the detector 11 and/or the flying device 3 are/is connected with the monitoring device 200 through wired and/or wireless communication. The monitoring device 200 performs wireless and/or wired monitoring of the detector 11 and/or the flying apparatus 3, and monitoring of the process of the detection operation, and realizes four-remote functions: remote signaling, remote control, remote adjustment and remote viewing; the monitoring equipment 200 remotely controls operations such as starting and stopping of the detector 11, remotely measures and adjusts parameters of the equipment to be detected 100 and the working state of the detector 11, remotely watches a detection field and the equipment state, and gives an alarm when an abnormal condition occurs; the monitoring device 200 can also remotely control the start, stop, flight direction and flight speed of the flight device 3, so that the detector 11 is moved to a proper position for detection, the operation flexibility of the detection device is enhanced, and the personal safety of workers is guaranteed. Preferably, the monitoring device 200 is hand-held. Preferably, a camera is installed on the detector 11 and/or the flying device 3, a display screen is installed on the monitoring device 200, and an operator can view the surrounding work environment through the display screen on the monitoring device 200. In this embodiment, the operator may also operate the monitoring device 200 to remotely control the mechanical arm 13 to perform the wiring operation, and adjust the working state of the detector 11, so that the detection of the detector 11 is controlled and controllable in real time. The monitoring device 200 is a conventional device in the art, and the detailed structure and operation principle thereof are not described herein.
Optionally, the monitoring device 200 further includes a monitoring module configured to monitor the detection state of the detector 11, and when the detection state of the detector 11 is abnormal, the monitoring module gives an alarm, and after the operator knows that the detection state of the detector 11 is abnormal, the monitoring module turns off the alarm, and the detector 11 is remotely adjusted through the monitoring device 200. The monitoring module is a conventional control unit in the art, and the specific structure and the working principle thereof are not described herein again.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The detection device comprises a detector (11), wherein a power input end is arranged on the detector (11), and the detection device is characterized in that the detector (11) further comprises a manual device (1) and a power device (2), when detection operation is carried out, the manual device (1) and/or the power device (2) provide power for the power input end, the detector (11) is mounted on a flying device (3), and the flying device (3) can drive the detector (11) to fly.
2. The detection apparatus according to claim 1, wherein the human powered device (1) comprises a resilient member, the resilient member being mounted on the human powered device (1), the human powered device (1) deforming the resilient member such that the resilient member stores kinetic energy, the stored kinetic energy being capable of powering the power input, the resilient member being any one or combination of a spring, a torsion spring, a tension spring, or a clockwork spring.
3. A testing device according to claim 1, characterized in that the power means (2) comprises drive means for powering the power input, the drive means being an electric motor or an air compressor.
4. The detection apparatus according to claim 1, wherein the detector (11) further comprises a detection line (12) and a mechanical arm (13), the detection line (12) is electrically connected with the detector (11), any one or more of the detection line (12), the mechanical arm (13), the human powered device (1) and the power device (2) are mounted on the detector (11) and/or the flying device (3) in combination, and the mechanical arm (13) can connect the detection line (12) to the detection end of the equipment under test (100).
5. A testing device according to claim 4, characterized in that at least one of the testing wires (12) is provided with wiring means comprising wire connectors and/or magnetic wire connectors.
6. The test device of claim 5, wherein the wiring device is any one of an open loop device or a closed loop device or a clip or a fastener.
7. The inspection device according to claim 4, characterized in that the detector (11) further comprises a casing, the casing is sleeved on the detector (11), and any one or more of the inspection line (12), the mechanical arm (13), the human power device (1) or the power device (2) are mounted on the casing and/or the flying device (3) in combination.
8. A detector arrangement as claimed in claim 1, characterised in that the detector (11) further comprises anti-vibration means (14).
9. The detection apparatus according to any one of claims 1 to 8, wherein the detection apparatus further comprises a monitoring device (200), and the detector (11) and/or the flying apparatus (3) are/is connected to the monitoring device (200) by wired and/or wireless communication.
10. A testing device according to any one of claims 1-8, characterized in that the detector (11) is an electronic insulation tester, a non-electronic insulation tester, a megger, a voltmeter, an ammeter, a wattmeter, a frequency meter, a clamp meter, a thermometer, an imager, a sonic meter, a lightwave meter, a luminance meter, a magnetic field meter or an electric field meter.
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CN202011458202.2A CN112577537A (en) | 2020-12-10 | 2020-12-10 | Detection device |
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CN202011458202.2A CN112577537A (en) | 2020-12-10 | 2020-12-10 | Detection device |
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CN102654107A (en) * | 2012-04-18 | 2012-09-05 | 烟台北极星弹性元件有限公司 | Mechanical power device taking spring as power source |
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CN105871043A (en) * | 2015-01-19 | 2016-08-17 | 蔡源祯 | Mobile electric energy conversion device |
CN206248728U (en) * | 2016-12-08 | 2017-06-13 | 山西科建工程检测研究院 | Electric speed regulation insulation resistance meter |
CN107444629A (en) * | 2017-08-11 | 2017-12-08 | 广州光使者科技应用有限公司 | A kind of unmanned plane electric power system and unmanned plane |
CN207007941U (en) * | 2017-08-15 | 2018-02-13 | 云南电网有限责任公司电力科学研究院 | A kind of insulating megger |
CN209014600U (en) * | 2018-07-24 | 2019-06-21 | 天津华德防爆安全检测有限公司 | Simple tool for measuring insulation resistance |
CN211904035U (en) * | 2020-04-18 | 2020-11-10 | 武汉奋进电力技术有限公司 | Automatic change insulated aluminum wire cortex calibrator |
CN212008943U (en) * | 2020-03-26 | 2020-11-24 | 北京农业信息技术研究中心 | High-flux three-dimensional scanning spectral imaging measuring device |
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CN102654107A (en) * | 2012-04-18 | 2012-09-05 | 烟台北极星弹性元件有限公司 | Mechanical power device taking spring as power source |
CN105871043A (en) * | 2015-01-19 | 2016-08-17 | 蔡源祯 | Mobile electric energy conversion device |
CN204928214U (en) * | 2015-07-14 | 2015-12-30 | 天津市欧诺仪器仪表有限公司 | Single section lithium ion battery charger of multiple input mode |
CN206248728U (en) * | 2016-12-08 | 2017-06-13 | 山西科建工程检测研究院 | Electric speed regulation insulation resistance meter |
CN107444629A (en) * | 2017-08-11 | 2017-12-08 | 广州光使者科技应用有限公司 | A kind of unmanned plane electric power system and unmanned plane |
CN207007941U (en) * | 2017-08-15 | 2018-02-13 | 云南电网有限责任公司电力科学研究院 | A kind of insulating megger |
CN209014600U (en) * | 2018-07-24 | 2019-06-21 | 天津华德防爆安全检测有限公司 | Simple tool for measuring insulation resistance |
CN212008943U (en) * | 2020-03-26 | 2020-11-24 | 北京农业信息技术研究中心 | High-flux three-dimensional scanning spectral imaging measuring device |
CN211904035U (en) * | 2020-04-18 | 2020-11-10 | 武汉奋进电力技术有限公司 | Automatic change insulated aluminum wire cortex calibrator |
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Application publication date: 20210330 |