CN113341321A - Battery low temperature detection reducing mechanism - Google Patents
Battery low temperature detection reducing mechanism Download PDFInfo
- Publication number
- CN113341321A CN113341321A CN202110557349.5A CN202110557349A CN113341321A CN 113341321 A CN113341321 A CN 113341321A CN 202110557349 A CN202110557349 A CN 202110557349A CN 113341321 A CN113341321 A CN 113341321A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- vertical rod
- low temperature
- rod
- fixedly connected
- Prior art date
- 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.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
Abstract
本发明公开了一种电池低温检测变径机构，所述定位圆环外圈固定连接有第二竖杆，所述第二竖杆远离定位圆环一端固定连接有横杆，所述横杆远离第二竖杆一端固定连接有第一竖杆，所述第一竖杆和第二竖杆内侧滑动连接有伸缩固定板，所述伸缩固定板内侧靠近定位圆环固定连接有挡板。该电池低温检测变径机构，实现了测试的流道直径控制，实现了随时变径调整，针对不同的电池可以有针对性的调整，避免由于不同几何尺寸的电池在相同直径的流道中造成流场不同引起的测量误差，该流道放置于低温箱内，按照电池的特点和测试要求调整温度、风速和直径，能够形成低温测试系统，达到良好的检测效果。适用于输电线路。
The invention discloses a battery low temperature detection reducing mechanism. The outer ring of the positioning ring is fixedly connected with a second vertical rod, and one end of the second vertical rod away from the positioning ring is fixedly connected with a horizontal rod, and the horizontal rod is far away from the positioning ring. One end of the second vertical rod is fixedly connected with the first vertical rod, the inner side of the first vertical rod and the second vertical rod are slidably connected with a telescopic fixing plate, and the inner side of the telescopic fixing plate is fixedly connected with a baffle plate close to the positioning ring. The low-temperature detection and diameter-reducing mechanism of the battery realizes the control of the diameter of the flow channel under test, and realizes the adjustment of the diameter of the variable diameter at any time. It can be adjusted in a targeted manner for different batteries to avoid the flow caused by the flow channels of the same diameter caused by batteries of different geometric sizes. To avoid measurement errors caused by different fields, the flow channel is placed in a low temperature box, and the temperature, wind speed and diameter are adjusted according to the characteristics of the battery and test requirements, which can form a low temperature test system and achieve good detection results. Suitable for transmission lines.
Description
Technical Field
The invention relates to the technical field of battery low-temperature operation capability detection of power sensors, in particular to a battery low-temperature detection reducing mechanism.
Background
The power sensor is an important component of a power transmission link in the construction of a smart power grid, and is an important technical means for realizing state operation maintenance management of equipment such as a power transmission line and the like and improving the lean level of production operation management. The power supply is one of the key problems when the power transmission line state parameters are monitored on line under the low temperature condition. Since the monitoring sensors are on the tower or overhead line, it is not possible to use a conventional power supply. Moreover, because the power supply works in the field, the power supply needs to be free of maintenance for a long time, and high requirements are provided for the reliability of the power supply.
In a power transmission line condition monitoring device, power needs to be supplied to equipment uninterruptedly under a low temperature condition. The capacity and active material utilization of the battery increases with increasing temperature. This is mainly caused by the variation in electrolyte properties: the temperature increase of the storage battery enables the viscosity of the electrolyte to be reduced, the activity to be enhanced, the resistance to the movement of ions to be reduced, and the diffusion capacity to be enhanced, so that the utilization rate of active substances is improved, and the actual capacity is increased. Conversely, the temperature is low, the utilization rate of the active substance is low, and the discharge capacity is reduced.
The laboratory method for evaluating the battery is generally realized in an incubator, but the difference between the air flow in the universal experimental low-temperature incubator and the actual working condition is larger, so that the actual working condition cannot be accurately reproduced, and the difference between the test effect and the actual working effect of the battery is larger. For this reason, an air flow passage can be constructed in the incubator to simulate air convection in the natural environment. However, due to the influence of the shape of the battery, local airflow of the battery is accelerated in the flow channel with the same diameter, heat dissipation of the battery is increased, and detection accuracy is also reduced. The invention provides a reducing mechanism for low-temperature detection of a battery, which aims at solving the problem of inaccuracy of low-temperature detection of the battery.
Disclosure of Invention
The invention aims to provide a battery low-temperature detection reducing mechanism to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a battery low temperature detection reducing mechanism, includes the location ring, location ring outer lane fixedly connected with second montant, location ring one end fixedly connected with horizontal pole is kept away from to the second montant, the first montant of second montant one end fixedly connected with is kept away from to the horizontal pole, the inboard sliding connection of first montant and second montant has flexible fixed plate, flexible fixed plate inboard is close to location ring fixedly connected with baffle, be provided with the fillet between baffle and the flexible fixed plate.
Preferably, a long sliding groove is formed between the first vertical rod and the second vertical rod, and the first vertical rod and the second vertical rod are connected with a positioning bolt through the long sliding groove in a sliding mode.
Preferably, the two sides of the telescopic fixing plate are provided with four positioning holes corresponding to the long sliding grooves, two positioning holes in one group are symmetrically distributed on the two sides of the telescopic fixing plate, and the telescopic fixing plate is sleeved with a positioning bolt through the positioning holes.
Preferably, the number of the fillet is two, the two fillets are arranged on the front side and the rear side between the baffle and the telescopic fixing plate, and the fillet is a triangular short plate.
Preferably, fixedly connected with second angle sign indicating number in the middle of the horizontal pole, the hinge articulates there is first connecting rod in the middle of the second angle sign indicating number, it has the second connecting rod to keep away from second angle sign indicating number one end hinge and articulate to first connecting rod, the second connecting rod is kept away from first connecting rod one end hinge and is articulated to have first angle sign indicating number, first angle sign indicating number fixed connection is in the middle of flexible fixed plate.
Preferably, the first connecting rod and the second connecting rod are connected in a V shape, and a transmission ring is connected at the joint of the first connecting rod and the second connecting rod in a sliding manner.
Preferably, the inner ring of the transmission ring corresponds to the first connecting rod and the second connecting rod and is fixedly connected with an adjusting strip, an axial groove is formed in the middle of the adjusting strip and extends to the middle of the transmission ring, and the transmission ring and the adjusting strip are connected with the first connecting rod and the second connecting rod through the axial groove in a sliding mode.
Preferably, the transmission ring is provided with a concentric circular groove corresponding to the joint of the first connecting rod and the second corner connector, and the transmission ring is connected with the first connecting rod and the second corner connector through the concentric circular groove in a sliding manner.
Compared with the prior art, the invention provides a battery low-temperature detection reducing mechanism, which has the following beneficial effects:
1. this battery low temperature detects reducing mechanism, transmission ring through setting up, the transmission ring surface is perpendicular with the cylindrical axis of three-dimensional multiaspect that n baffles constitute, when rotating the transmission shaft, montant and horizontal pole remove along axial and transmission ring simultaneously, the axial groove of transmission ring promotes or stimulates the connecting rod along the circumferencial direction, and then drive flexible fixed plate and slide along the montant surface, every unit realizes sliding under the drive of transmission ring simultaneously, the baffle is in axial motion, the length in flexible fixed plate groove is passed in automatic change, realize the change of n baffle inner spaces, also be exactly the diameter that changes the runner that constitutes.
2. This battery low temperature detects reducing mechanism, detects reducing mechanism and is the reducing part of temperature measurement system, connects sizing part, adaptation section, reducing part, adaptation section, sizing part in order from the fan, constitutes whole temperature measurement system's runner, and this runner is placed in the low-temperature box, adjusts temperature, wind speed and diameter according to the characteristics of battery and test requirement, can form low temperature test system, reaches good detection effect.
3. This battery low temperature detects reducing mechanism, the shape through the axial groove that changes the driving ring adopts the arc, can change the drive force to the connecting rod, can produce the direction of suitable drive force through specific shape, and the further improvement is to the drive force of telescopic link, avoids the jam, with cooperation such as mechanism and fan, can realize adjusting the runner in succession according to the battery appearance, avoids the battery appearance to the influence that detects the precision.
4. The battery low-temperature detection reducing mechanism realizes the control of the diameter of a tested flow channel, realizes the reducing adjustment at any time, can be adjusted in a targeted manner aiming at different batteries, and avoids the measurement errors caused by different flow fields due to the fact that batteries with different geometric sizes are in the flow channel with the same diameter.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor:
FIG. 1 is a front perspective view of the overall structure of the present invention;
FIG. 2 is a left side perspective view of the overall structure of the present invention;
FIG. 3 is a perspective view of the telescopic fixing plate, the fillet, the baffle and other structures;
FIG. 4 is a schematic perspective view of a cross bar, a first vertical bar, a second vertical bar, and the like in structural cooperation;
fig. 5 is a perspective view of the telescopic fixing plate, the first connecting rod, the first vertical rod, and the like.
In the figure: 1. a baffle plate; 2. filling corners; 3. a telescopic fixed plate; 4. a first corner connector; 5. a cross bar; 6. a first vertical bar; 7. a first link; 8. positioning the circular ring; 9. a drive ring; 10. a second vertical bar; 11. a second corner connector; 12. a second link; 13. and (4) adjusting the strip.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1-5, the present invention provides a technical solution: a battery low-temperature detection reducing mechanism comprises a positioning ring 8, wherein a second vertical rod 10 is fixedly connected to the outer ring of the positioning ring 8, one end, far away from the positioning ring 8, of the second vertical rod 10 is fixedly connected with a cross rod 5, one end, far away from the second vertical rod 10, of the cross rod 5 is fixedly connected with a first vertical rod 6, the inner sides of the first vertical rod 6 and the second vertical rod 10 are slidably connected with a telescopic fixing plate 3, the inner side, close to the positioning ring, of the telescopic fixing plate 3 is fixedly connected with a baffle plate 1, two fillet corners 2 are arranged between the baffle plate 1 and the telescopic fixing plate 3, the two fillet corners 2 are arranged on the front side and the rear side between the baffle plate 1 and the telescopic fixing plate 3, the fillet 2 is a triangular short plate, and the baffle plate 1 is a rectangular thin plate with lug shapes, the fillet 2 is bonded with the telescopic fixing plate 3, the fillet 2 is a triangular short plate, and one angle alpha is calculated according to a formula:
α＝(180-360/n)/2
wherein n is the number of baffles 1 distributed on the circumference. Eight baffles 1 are adopted to form a regular octagon in the example, n is 8, therefore, alpha is 67.5 degrees, a detection reducing mechanism is a reducing part of a temperature measurement system, a sizing part, an adapting section, the reducing part, the adapting section and the sizing part are sequentially connected from a fan to form a flow channel of the whole temperature measurement system, the flow channel is placed in a low-temperature box, the temperature, the wind speed and the diameter are adjusted according to the characteristics of a battery and test requirements, a low-temperature test system can be formed, and a good detection effect is achieved.
The middle of first montant 6 and the second montant 10 has been seted up long spout, and first montant 6 and second montant 10 have positioning bolt through long spout sliding connection, and 3 both sides of flexible fixed plate have seted up the locating hole corresponding long spout, and the locating hole is provided with four, and two a set of symmetric distribution of four locating holes are in 3 both sides of flexible fixed plate, and flexible fixed plate 3 has cup jointed positioning bolt through the locating hole.
A second angle bracket 11 is fixedly connected in the middle of the cross bar 5, a first connecting rod 7 is hinged in the middle of the second angle bracket 11, a second connecting rod 12 is hinged in one end of the first connecting rod 7, which is far away from the second angle bracket 11, a first angle bracket 4 is hinged in one end of the second connecting rod 12, which is far away from the first connecting rod 7, the first angle bracket 4 is fixedly connected in the middle of the telescopic fixing plate 3, the first connecting rod 7 and the second connecting rod 12 are connected in a V shape, a driving ring 9 is connected in a sliding manner at the joint of the first connecting rod 7 and the second connecting rod 12, an adjusting strip 13 is fixedly connected in an inner ring of the driving ring 9 corresponding to the first connecting rod 7 and the second connecting rod 12, an axial groove is arranged in the middle of the adjusting strip 13, the axial groove extends to the middle of the driving ring 9, the driving ring 9 and the adjusting strip 13 are connected with the first connecting rod 7 and the second connecting rod 12 in a sliding manner through the axial groove, a concentric circular groove is arranged at the joint of the driving ring 9 corresponding to the first connecting rod 7 and the second angle bracket 11, the transmission ring 9 is connected with a first connecting rod 7 and a second corner connector 11 through a concentric circular groove in a sliding manner, the surface of the transmission ring 9 is perpendicular to the axis of a three-dimensional multi-surface cylinder formed by n baffles 1 through the arranged transmission ring 9, when the transmission shaft is rotated, the vertical rod and the horizontal rod move along the axial direction with the transmission ring 9, the axial groove of the transmission ring 9 pushes or pulls the connecting rod along the circumferential direction, so as to drive the telescopic fixing plate 3 to slide along the surface of the vertical rod, each unit simultaneously realizes sliding under the driving of the transmission ring 9, the baffles 1 automatically change the length of the telescopic fixing plate groove while moving axially, so that the change of the space in the n baffles 1 is realized, namely the diameter of a formed flow channel is changed, the shape of the axial groove of the transmission ring 9 is changed, an arc shape is adopted, the pushing force to the connecting rod can be changed, and the direction of the appropriate pushing force can be generated through the specific shape, the driving force to the telescopic rod is further improved, the clamping is avoided, the mechanism is matched with the fan and the like, the flow channel can be continuously adjusted according to the appearance of the battery, the influence of the appearance of the battery on the detection precision is avoided, the diameter control of the tested flow channel is realized, the diameter-variable adjustment at any time is realized, the adjustment aiming at different batteries can be pointed, and the measurement errors caused by different flow fields of the batteries with different geometric sizes in the flow channel with the same diameter are avoided.
In the actual operation process, when the device is used, the surface of the transmission ring 9 is perpendicular to the axis of a three-dimensional multi-surface cylinder formed by n baffles 1 through the transmission ring 9, when the transmission shaft is rotated, the vertical rod and the horizontal rod simultaneously move along the axial direction with the transmission ring 9, the axial groove of the transmission ring 9 pushes or pulls the connecting rod along the circumferential direction, so as to drive the telescopic fixing plate 3 to slide along the surface of the vertical rod, each unit simultaneously slides under the drive of the transmission ring 9, the baffle 1 automatically changes the length penetrating through the telescopic fixing plate groove while moving along the axial direction, the change of the space in the n baffles 1 is realized, namely the diameter of a formed flow channel is changed, the detection reducing mechanism is a reducing part of a temperature measurement system, and a sizing part, an adaptation section, a reducing part, an adaptation section and a sizing part are sequentially connected from a fan to form the flow channel of the whole temperature measurement system, this runner is placed in the low temperature box, adjust the temperature according to the characteristics of battery and test requirement, wind speed and diameter, can form low temperature test system, reach good detection result, through the shape that changes the axial groove of driving ring 9, adopt the arc, can change the drive force to the connecting rod, can produce the direction of suitable drive force through specific shape, further improve the drive force to the telescopic link, avoid the bite, with mechanism and fan etc. cooperation, can realize adjusting the runner according to battery appearance continuous adjustment, avoid the influence of battery appearance to the detection precision, the runner diameter control of test has been realized, diameter-variable adjustment at any time has been realized, can be pointed to different batteries and adjust, avoid causing the measuring error that the flow field difference arouses because different geometric dimensions's battery causes in the runner of the same diameter.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557349.5A CN113341321B (en) | 2021-05-21 | 2021-05-21 | A battery low temperature detection variable diameter mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557349.5A CN113341321B (en) | 2021-05-21 | 2021-05-21 | A battery low temperature detection variable diameter mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113341321A true CN113341321A (en) | 2021-09-03 |
| CN113341321B CN113341321B (en) | 2022-12-23 |
Family
ID=77470678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110557349.5A Active CN113341321B (en) | 2021-05-21 | 2021-05-21 | A battery low temperature detection variable diameter mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113341321B (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008089087A (en) * | 2006-10-02 | 2008-04-17 | Kazuo Koshiba | Flow adjustment valve |
| US7582009B1 (en) * | 2005-02-10 | 2009-09-01 | Cote Anthony J | Adjustable air volume regulator for heating, ventilating and air conditioning systems |
| WO2010043116A1 (en) * | 2008-10-16 | 2010-04-22 | 中国石油化工股份有限公司 | A ethylene cracking furnace |
| CN102374686A (en) * | 2010-08-24 | 2012-03-14 | 李佳雪 | High-density arranged heat collector and special reducing glass vacuum heat collecting pipe thereof |
| CN103972945A (en) * | 2012-03-29 | 2014-08-06 | 陈笛 | Intelligent battery management system and method for optimizing battery to its peak performance |
| KR20140142022A (en) * | 2013-06-03 | 2014-12-11 | 주식회사 현대케피코 | Environmental Test Apparatus |
| CN106121594A (en) * | 2016-08-29 | 2016-11-16 | 中国石油集团渤海钻探工程有限公司 | Variable-diameter sand control screen pipe |
| CN208157569U (en) * | 2018-03-22 | 2018-11-27 | 宇能电气有限公司 | A kind of accumulator property maintenance platform |
| CN109038301A (en) * | 2018-07-11 | 2018-12-18 | 合肥尚强电气科技有限公司 | High-efficient heat dissipation type high-low voltage electrical switch cabinet |
| CN208536496U (en) * | 2018-05-24 | 2019-02-22 | 浙江智海化工设备工程有限公司 | Low temperature air pipe with liquid into the lower tower pipe layout device |
| CN110593544A (en) * | 2019-10-14 | 2019-12-20 | 云南建投安装股份有限公司 | A steel column safe operation platform |
| CN111021526A (en) * | 2020-01-09 | 2020-04-17 | 霍靖 | Mud suction device capable of randomly changing diameter of mud suction port for deep well |
| US20200298450A1 (en) * | 2019-03-20 | 2020-09-24 | Nordson Corporation | Die assembly with pressure regulating device, and a pelletizing apparatus |
| CN111982616A (en) * | 2020-07-10 | 2020-11-24 | 中国计量大学 | Aerosol flow field diameter negative pressure adjusting device and method |
| CN212160030U (en) * | 2020-04-17 | 2020-12-15 | 孚能科技(赣州)股份有限公司 | A constant temperature system for charging and discharging testing of lithium-ion batteries |
| CN212300825U (en) * | 2020-07-14 | 2021-01-05 | 张哲彬 | Spring product performance testing device |
| CN212410655U (en) * | 2020-03-17 | 2021-01-26 | 郑州深澜动力科技有限公司 | Battery cell performance detection tool and probe position adjusting device |
| CN112578285A (en) * | 2020-12-03 | 2021-03-30 | 国网江西省电力有限公司南昌供电分公司 | Lead-acid storage battery performance testing device and method |
-
2021
- 2021-05-21 CN CN202110557349.5A patent/CN113341321B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7582009B1 (en) * | 2005-02-10 | 2009-09-01 | Cote Anthony J | Adjustable air volume regulator for heating, ventilating and air conditioning systems |
| JP2008089087A (en) * | 2006-10-02 | 2008-04-17 | Kazuo Koshiba | Flow adjustment valve |
| WO2010043116A1 (en) * | 2008-10-16 | 2010-04-22 | 中国石油化工股份有限公司 | A ethylene cracking furnace |
| CN102374686A (en) * | 2010-08-24 | 2012-03-14 | 李佳雪 | High-density arranged heat collector and special reducing glass vacuum heat collecting pipe thereof |
| CN103972945A (en) * | 2012-03-29 | 2014-08-06 | 陈笛 | Intelligent battery management system and method for optimizing battery to its peak performance |
| KR20140142022A (en) * | 2013-06-03 | 2014-12-11 | 주식회사 현대케피코 | Environmental Test Apparatus |
| CN106121594A (en) * | 2016-08-29 | 2016-11-16 | 中国石油集团渤海钻探工程有限公司 | Variable-diameter sand control screen pipe |
| CN208157569U (en) * | 2018-03-22 | 2018-11-27 | 宇能电气有限公司 | A kind of accumulator property maintenance platform |
| CN208536496U (en) * | 2018-05-24 | 2019-02-22 | 浙江智海化工设备工程有限公司 | Low temperature air pipe with liquid into the lower tower pipe layout device |
| CN109038301A (en) * | 2018-07-11 | 2018-12-18 | 合肥尚强电气科技有限公司 | High-efficient heat dissipation type high-low voltage electrical switch cabinet |
| US20200298450A1 (en) * | 2019-03-20 | 2020-09-24 | Nordson Corporation | Die assembly with pressure regulating device, and a pelletizing apparatus |
| CN110593544A (en) * | 2019-10-14 | 2019-12-20 | 云南建投安装股份有限公司 | A steel column safe operation platform |
| CN111021526A (en) * | 2020-01-09 | 2020-04-17 | 霍靖 | Mud suction device capable of randomly changing diameter of mud suction port for deep well |
| CN212410655U (en) * | 2020-03-17 | 2021-01-26 | 郑州深澜动力科技有限公司 | Battery cell performance detection tool and probe position adjusting device |
| CN212160030U (en) * | 2020-04-17 | 2020-12-15 | 孚能科技(赣州)股份有限公司 | A constant temperature system for charging and discharging testing of lithium-ion batteries |
| CN111982616A (en) * | 2020-07-10 | 2020-11-24 | 中国计量大学 | Aerosol flow field diameter negative pressure adjusting device and method |
| CN212300825U (en) * | 2020-07-14 | 2021-01-05 | 张哲彬 | Spring product performance testing device |
| CN112578285A (en) * | 2020-12-03 | 2021-03-30 | 国网江西省电力有限公司南昌供电分公司 | Lead-acid storage battery performance testing device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113341321B (en) | 2022-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110926824B (en) | Device and method for measuring internal circulation wind resistance characteristic and heat dissipation capacity of generator | |
| CN209727992U (en) | A kind of miniature multi-angle air velocity transducer calibration system | |
| CN107656092A (en) | A kind of Wind turbines wind speed and direction measuring device and method | |
| CN113341321A (en) | Battery low temperature detection reducing mechanism | |
| CN110082060A (en) | A kind of plant protection unmanned aerial vehicle wind resistance test equipment and method | |
| CN217032962U (en) | Automatic rotation type measures framed bent | |
| CN103175671B (en) | A kind of analogue means and method of speed governing lamina air flow flowing test model windage | |
| CN112109920A (en) | Unmanned aerial vehicle multi freedom attitude test system | |
| CN114061892B (en) | Automatic rotating type measuring bent | |
| CN111397430B (en) | Indirect air-cooling air guide module group capable of changing radial direction to same angle | |
| CN104390759A (en) | Flow field calibration apparatus | |
| CN105334018B (en) | Utilize the experimental provision of fan simulation stream loading | |
| CN113551929A (en) | A test system and test method for unsteady heat source heat storage heat exchanger | |
| CN209539615U (en) | A kind of Unpowered ventilation device test measurement platform | |
| CN105652031A (en) | Air conditioner pipeline flow velocity monitor | |
| CN209148850U (en) | A kind of BMS opening machine system test device | |
| CN108896069B (en) | Double-shaft turntable system in vacuum low-temperature environment | |
| CN217796237U (en) | High-frequency vibration test bed for multi-azimuth test | |
| CN209387070U (en) | Fan ventilation test device | |
| CN112834104B (en) | Test bed for testing wind resistance torque of brake disc and test method thereof | |
| CN114857060A (en) | Agricultural cleaning fan performance test bench and test method thereof | |
| CN209043565U (en) | A kind of wind-tunnel inner section flowing field stability measuring device | |
| CN216246457U (en) | Identifiable sensing signal distributed acquisition device for AIOT industrial Internet of things | |
| CN208242193U (en) | A kind of shaking planting mechanism and the seeder including the planting mechanism | |
| CN203178303U (en) | Vortex wind speed meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |