CN110487430B - Server temperature measuring device - Google Patents
Server temperature measuring device Download PDFInfo
- Publication number
- CN110487430B CN110487430B CN201910720199.8A CN201910720199A CN110487430B CN 110487430 B CN110487430 B CN 110487430B CN 201910720199 A CN201910720199 A CN 201910720199A CN 110487430 B CN110487430 B CN 110487430B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- temperature
- temperature sensor
- server
- sliding
- 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.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
- G01K1/146—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations arrangements for moving thermometers to or from a measuring position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3017—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is implementing multitasking
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3024—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system component is a central processing unit [CPU]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3058—Monitoring arrangements for monitoring environmental properties or parameters of the computing system or of the computing system component, e.g. monitoring of power, currents, temperature, humidity, position, vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computing Systems (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The application discloses server temperature measuring device and CPU temperature measurement method, server temperature measuring device include magnetic meter seat, first connecting rod, second connecting rod, installing support and temperature sensor, and first connecting rod is vertical to be located on the magnetic meter seat, and the second connecting rod sets up perpendicularly on first connecting rod, and the installing support is located on the second connecting rod, temperature sensor locates on the installing support, second connecting rod and first connecting rod sliding connection, installing support and second connecting rod sliding connection, temperature sensor can slide and fix along the axial direction of perpendicular to second connecting rod. Fixing the server temperature measuring device on the server, enabling the temperature sensor to be arranged at the air outlet of the server, measuring the detection temperature of the detection point through the temperature sensor, and performing temperature compensation on the detection temperature of the detection point to obtain the temperature of the CPU. The CPU temperature of a single server can be detected, and the problem that the local temperature of a certain server is too high can be found in time.
Description
Technical Field
The invention relates to the technical field of computers, in particular to a server temperature measuring device.
Background
The number of servers in a power grid dispatching automation and communication and information center machine room is large, and the servers need to operate uninterruptedly for a long time in order to ensure power utilization reliability and data acquisition continuity and safe operation of a power grid. The conditions such as unsuitable temperature and humidity of the machine room environment, more dust inside and outside the equipment, faults of radiators inside the equipment, unsmooth ventilation of air conditioners in the machine room and the like all can result in overhigh local temperature of the server, and the working efficiency and the service life of the server are influenced. If the server cannot be found and solved in time when running under the local high-temperature condition for a long time, unpredictable power grid accidents can be caused directly or indirectly. For example: the abnormal operation of the server will affect the correctness of the real-time data acquisition of the power grid, resulting in the risk of generating false alarm and even false remote control. The existing solution is that a power supply bureau monitors the whole environment of a machine room by adopting a specially-assigned person to patrol the machine room regularly, but cannot find the problem that the local temperature of one machine room is too high in time.
Disclosure of Invention
In view of the above-mentioned drawbacks and deficiencies of the prior art, it is desirable to provide a server temperature measurement device and a CPU temperature measurement method.
In order to overcome the defects of the prior art, the technical scheme provided by the invention is as follows:
in a first aspect, the invention provides a server temperature measuring device, which is characterized by comprising a magnetic meter base, a first connecting rod, a second connecting rod, a mounting bracket and a temperature sensor, wherein the first connecting rod is vertically arranged on the magnetic meter base, the second connecting rod is vertically arranged on the first connecting rod, the mounting bracket is arranged on the second connecting rod, the temperature sensor is arranged on the mounting bracket, the second connecting rod is in sliding connection with the first connecting rod, the mounting bracket is in sliding connection with the second connecting rod, and the temperature sensor can slide and be fixed in a direction perpendicular to the axial direction of the second connecting rod.
Further, the installing support includes first sliding sleeve and support, first sliding sleeve with second connecting rod sliding connection, be equipped with the connecting plate on the first sliding sleeve, support sliding connection in on the connecting plate, temperature sensor locates in the support, the support can be followed the perpendicular to second connecting rod axial direction slides and fixes.
Further, a first sliding groove is formed in the side face of the second connecting rod in the axial direction, and a first limiting block matched with the first sliding groove is arranged on the inner side of the first sliding sleeve; the connecting plate is provided with a second chute, the support is provided with a second limiting block matched with the second chute, and the second limiting block is provided with an adjusting knob used for fixing the support and the connecting plate.
Further, the support comprises a sleeve, a spring and a sealing cover, the temperature sensor is installed in the sleeve and exposed out of an opening formed in the lower end of the sleeve, the spring is arranged on the temperature sensor, the sealing cover is arranged at the upper end of the spring, and the sealing cover is in threaded connection with the sleeve.
Furthermore, a third sliding groove is formed in the side face of the first connecting rod in the axial direction, a second sliding sleeve is arranged on the second connecting rod, and a third limiting block matched with the third sliding groove is arranged on the inner side of the second sliding sleeve.
Further, all be equipped with the scale on the extending direction of first spout, second spout and third spout.
In a second aspect, the invention relates to a method for measuring the temperature of a CPU, which is characterized in that the method comprises:
fixing a server temperature measuring device on a server, enabling a temperature sensor to be arranged at an air outlet of the server, obtaining position coordinates of a detection point where the temperature sensor is located, and measuring the detection temperature of the detection point through the temperature sensor;
and calling a temperature compensation value corresponding to the detection temperature of the detection points from an established temperature compensation database for temperature compensation to obtain the temperature of the CPU, wherein the temperature compensation database records the temperature compensation value of different detection temperatures of each detection point.
Further, will temperature sensor locates the server air outlet and specifically includes:
adsorbing a magnetic meter seat at the position, closest to the sensor, of the server, adjusting the position of the temperature sensor to enable the temperature sensor to be located beside the air outlet of the server and abut against the server, and recording position coordinates of a detection point where the temperature sensor is located;
acquiring a temperature curve of the CPU through temperature measurement software;
acquiring temperature curves of a plurality of detection points through the temperature sensor;
and selecting a group of corresponding detection points with the best synchronization degree with the CPU temperature curve from the obtained multiple groups of temperature curves to set the temperature sensor.
Further, the establishing of the temperature compensation database comprises:
acquiring the temperature of the CPU through temperature measurement software;
detecting the temperature of a detection point at an air outlet of the server through a temperature sensor;
acquiring the temperature difference between the CPU temperature and the detected temperature, and taking the temperature difference as a temperature compensation value at the temperature;
increasing CPU load through burn-in software to change the CPU temperature, obtaining temperature compensation values at different CPU temperatures and forming a temperature compensation curve;
and selecting different detection points, and acquiring temperature compensation curves of the different detection points to form a temperature compensation database.
Compared with the prior art, the invention has the beneficial effects that:
the server temperature measuring device comprises a magnetic force gauge stand, a first connecting rod, a second connecting rod, a mounting support and a temperature sensor, wherein the first connecting rod is vertically arranged on the magnetic force gauge stand, the second connecting rod is vertically arranged on the first connecting rod, the mounting support is arranged on the second connecting rod, the temperature sensor is arranged on the mounting support, the second connecting rod is connected with the first connecting rod in a sliding mode, the mounting support is connected with the second connecting rod in a sliding mode, and the temperature sensor can slide and be fixed in a direction perpendicular to the axial direction of the second connecting rod. Fixing a server temperature measuring device on a server, adjusting the position of a temperature sensor in a three-dimensional direction to enable the temperature sensor to be positioned at an air outlet of the server, measuring the detection temperature of a detection point through the temperature sensor, and performing temperature compensation on the detection temperature of the detection point to obtain the temperature of a CPU. The CPU temperature of a single server can be detected, and the problem of overhigh local temperature of a certain server can be found in time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention to its proper form. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a three-dimensional structure diagram of a server temperature measuring device according to an embodiment of the present invention;
FIG. 2 is a perspective view of a temperature sensor and mounting bracket according to an embodiment of the present invention;
FIG. 3 is a connection structure diagram of a support, a second limiting block and an adjusting knob according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of FIG. 3;
FIG. 5 is a diagram illustrating a connection structure of a server temperature measuring device provided in an embodiment of the present invention;
fig. 6 is a flowchart of a CPU temperature measurement method according to an embodiment of the present invention.
In the figure: 1-server temperature measuring device, 11-magnetic meter seat, 12-first connecting rod, 13-second connecting rod, 14-first sliding groove, 16-temperature sensor, 17-second sliding sleeve, 18-third sliding groove, 19-third limiting block, 151-first sliding sleeve, 152-first limiting block, 153-support, 154-connecting plate, 155-second sliding groove, 156-second limiting block, 157-adjusting knob, 1531-sleeve, 1532-spring, 1533-sealing cover, 2-server, 21-server air outlet.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
As mentioned in the background, if a server is not timely discovered and resolved under local high temperature conditions for a long time, it may directly or indirectly cause unpredictable grid accidents. For example: the abnormal operation of the server will affect the correctness of the real-time data acquisition of the power grid, resulting in the risk of generating false alarm and even false remote control. The existing solution is that a power supply bureau monitors the whole environment of a machine room by adopting a specially-assigned person to patrol the machine room regularly, but cannot find the problem that the local temperature of one machine room is too high in time.
Therefore, it is necessary to detect the CPU temperature of the individual server. However, because of the encapsulation of the server manufacturer, the sensor cannot be installed in the server manufacturer in an improved manner, and the problem can be solved only by installing equipment outside. Therefore, the realization of temperature detection without changing the server structure will become an improved direction for server anomaly monitoring. The embodiment of the application provides a server temperature measuring device and a CPU temperature measuring method.
Referring to fig. 1 to 5, the invention provides a server temperature measuring device, which includes a magnetic force gauge stand 11, a first connecting rod 12, a second connecting rod 13, a mounting bracket and a temperature sensor 16, wherein the first connecting rod 12 is vertically arranged on the magnetic force gauge stand 11, the second connecting rod 13 is vertically arranged on the first connecting rod 12, the mounting bracket is arranged on the second connecting rod 13, the temperature sensor 16 is arranged on the mounting bracket, the second connecting rod 13 is slidably connected with the first connecting rod 12, the mounting bracket is slidably connected with the second connecting rod 13, and the temperature sensor 16 can slide and be fixed in a direction perpendicular to the axial direction of the second connecting rod 13.
The magnetic gauge stand 11 can be fixed by being adsorbed outside the server 2, and can be disassembled and assembled without changing the original structure of the server 2. If batch installation is needed, the server 2 is placed by finding a reference point when the magnetometer seat 11 is placed in the first installation process, the position coordinates of the temperature sensors 16 are determined and recorded, and the batch installation can be carried out by referring to the position coordinates of the first temperature sensor 16.
The position of the temperature sensor 16 in the first direction is adjusted by sliding the mounting bracket along the extending direction of the second link 13, the position of the temperature sensor 16 in the second direction is adjusted by sliding the second link 13 along the extending direction of the first link 12, and the position of the temperature sensor 16 in the third direction is adjusted by sliding the temperature sensor 16 in the direction perpendicular to the axial direction of the second link 13, wherein the first direction, the second direction and the third direction are perpendicular to each other.
The mounting bracket comprises a first sliding sleeve 151 and a support 153, a first sliding groove 14 is axially arranged on the side surface of the second connecting rod 13, a first limit block 152 matched with the first sliding groove 14 is arranged on the inner side of the first sliding sleeve 151, the first sliding sleeve 151 is slidably connected with the second connecting rod 13, and a scale is arranged in the extending direction of the first sliding groove 14 and used for determining the value of the position coordinate of the temperature sensor 16 in the first direction.
The first sliding sleeve 151 is provided with a connecting plate 154, the connecting plate 154 is provided with a second sliding groove 155, the support 153 is provided with a second limiting block 156 matched with the second sliding groove 155, the support 153 is connected to the connecting plate 154 in a sliding manner, the temperature sensor 16 is arranged in the support 153, the second limiting block 156 is provided with an adjusting knob 157 used for fixing the support 153 and the connecting plate 154, and the support 153 can slide and be fixed along the direction perpendicular to the axial direction of the second connecting rod 13. A scale is provided in the extending direction of the second sliding groove 155 for determining the value of the position coordinate of the temperature sensor 16 in the second direction.
It should be noted that the second limiting block 156 includes a first section and a second section, the first section is square and is used for matching with the second sliding groove 155, and the first section can be ensured to move in the second sliding groove 155 without rotating; the second section is cylindrical and threaded, and an adjustment knob 157 is provided on the second section for fixing the position of the holder 153 on the attachment plate 154. The length of the first section is less than the thickness of the connection plate 154, so as to ensure the tightness of the fit of the adjustment knob 157 and the connection plate 154.
The side of the first connecting rod 12 is provided with a third sliding groove 18 along the axial direction, the second connecting rod 13 is provided with a second sliding sleeve 17, and the inner side of the second sliding sleeve 17 is provided with a third limiting block 19 matched with the third sliding groove 18. A scale is provided in the extending direction of the first sliding chute 14 for determining the value of the position coordinate of the temperature sensor 16 in the third direction.
The holder 153 includes a sleeve 1531, a spring 1532 and a cover 1533, the temperature sensor 16 is mounted in the sleeve 1531 and exposed through an opening formed at a lower end of the sleeve 1531, the spring 1532 is disposed on the temperature sensor 16, the cover 1533 is disposed at an upper end of the spring 1532, and the cover 1533 is threadedly coupled to the sleeve 1531. In the installation process, the upper end of the spring 1532 abuts against the sealing cover 1533, the lower end abuts against the temperature sensor 16, and the temperature sensor 16 is adjusted until the lower end contacts the sleeve 1531, so that the temperature sensor 16 can be ensured to be always in contact with the server 2 in the measurement process, and the temperature measurement is ensured to be accurate.
It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
FIG. 6 is a flow chart of a CPU temperature measurement method according to an embodiment of the present invention. As shown in fig. 6, the method may be implemented by the server temperature measuring device shown in fig. 1 to 5, and the method may include:
in step 10, fixing the server temperature measuring device 1 on the server 2, so that the temperature sensor 16 is arranged at the server air outlet 21, obtaining the position coordinates of the detection point where the temperature sensor 16 is located, and measuring the detection temperature of the detection point through the temperature sensor 16;
in step 20, a temperature compensation value corresponding to the detected temperature at the detection point is retrieved from the established temperature compensation database to perform temperature compensation, so as to obtain the CPU temperature, and the temperature compensation database records the temperature compensation value of different detected temperatures at each detection point.
On the basis of the above embodiment, in step 10, the step of arranging the temperature sensor 16 at the server air outlet 21 specifically includes:
adsorbing the magnetic meter base 11 to a position of the server 2 closest to the sensor, adjusting the position of the temperature sensor 16 to enable the temperature sensor 16 to be positioned beside the server air outlet 21 and abut against the server 2, and recording the position coordinates of a detection point where the temperature sensor 16 is positioned;
acquiring a temperature curve of the CPU through temperature measurement software;
acquiring temperature curves of a plurality of detection points through the temperature sensor 16;
and selecting a group of corresponding detection points with the best synchronization degree with the CPU temperature curve from the acquired multiple groups of temperature curves to set the temperature sensor 16.
On the basis of the above embodiment, the establishing of the temperature compensation database in step 20 includes:
acquiring the temperature of the CPU through temperature measurement software;
detecting the temperature of a detection point at the air outlet 21 of the server through a temperature sensor 16;
acquiring the temperature difference between the CPU temperature and the detected temperature, and taking the temperature difference as a temperature compensation value at the temperature;
increasing CPU load through burn-in software to change the CPU temperature, obtaining temperature compensation values at different CPU temperatures and forming a temperature compensation curve;
and selecting different detection points, and acquiring temperature compensation curves of the different detection points to form a temperature compensation database.
It should be noted that three types of temperature measurement software are adopted to measure the temperature of the CPU, and the three types of software, namely CoreTemp, HWMonitor and ludamen, operate on one machine at the same time, and accurately acquire and record each CPU temperature value of the CPU temperature change. And increasing the load of the server 2 through the burn-in software IntelBurn Test, and changing the temperature of the CPU.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (1)
1. A server temperature measuring device is characterized by comprising a magnetic force gauge stand, a first connecting rod, a second connecting rod, a mounting bracket and a temperature sensor, wherein the first connecting rod is vertically arranged on the magnetic force gauge stand, the second connecting rod is vertically arranged on the first connecting rod, the mounting bracket is arranged on the second connecting rod, the temperature sensor is arranged on the mounting bracket, the second connecting rod is in sliding connection with the first connecting rod, the mounting bracket is in sliding connection with the second connecting rod, and the temperature sensor can move and be fixed along the direction vertical to the axial direction of the second connecting rod;
the mounting bracket comprises a first sliding sleeve and a support, the first sliding sleeve is connected with the second connecting rod in a sliding manner, a connecting plate is arranged on the first sliding sleeve, the support is connected to the connecting plate in a sliding manner, the temperature sensor is arranged in the support, and the support can slide and be fixed along the direction vertical to the axial direction of the second connecting rod;
a first sliding groove is formed in the side face of the second connecting rod along the axial direction, and a first limiting block matched with the first sliding groove is arranged on the inner side of the first sliding sleeve; a second chute is arranged on the connecting plate, a second limiting block matched with the second chute is arranged on the support, and an adjusting knob used for fixing the support and the connecting plate is arranged on the second limiting block;
the support comprises a sleeve, a spring and a sealing cover, the temperature sensor is arranged in the sleeve and is exposed out through an opening arranged at the lower end of the sleeve, the spring is arranged on the temperature sensor, the sealing cover is arranged at the upper end of the spring, and the sealing cover is in threaded connection with the sleeve;
a third sliding groove is formed in the side face of the first connecting rod in the axial direction, a second sliding sleeve is arranged on the second connecting rod, and a third limiting block matched with the third sliding groove is arranged on the inner side of the second sliding sleeve;
scales are arranged in the extending directions of the first sliding groove, the second sliding groove and the third sliding groove;
the second limiting block comprises a first section and a second section, and the first section is square and is used for being matched with the second sliding groove; the second section is cylindrical and is provided with threads, the adjusting knob is arranged on the second section and is used for fixing the position of the support on the connecting plate, and the length of the first section is smaller than the thickness of the connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720199.8A CN110487430B (en) | 2019-08-06 | 2019-08-06 | Server temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910720199.8A CN110487430B (en) | 2019-08-06 | 2019-08-06 | Server temperature measuring device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110487430A CN110487430A (en) | 2019-11-22 |
| CN110487430B true CN110487430B (en) | 2022-02-01 |
Family
ID=68549809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910720199.8A Active CN110487430B (en) | 2019-08-06 | 2019-08-06 | Server temperature measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110487430B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026611A (en) * | 2019-12-10 | 2020-04-17 | 苏州浪潮智能科技有限公司 | Server heat dissipation control method and system |
| CN111735102A (en) * | 2020-07-01 | 2020-10-02 | 绥中泰德尔自控设备有限公司 | Control method of room temperature measurement and control terminal and room temperature measurement and control terminal |
| CN112229531A (en) * | 2020-09-22 | 2021-01-15 | 一汽奔腾轿车有限公司 | Novel air conditioner blows a temperature test of air outlet device |
| CN116719694B (en) * | 2023-06-14 | 2023-12-15 | 徐州工程学院 | Network security server detection device, detection method and network security server |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2330250C1 (en) * | 2006-12-25 | 2008-07-27 | Николай Викторович Анисимов | Temperature detection method |
| CN205655850U (en) * | 2015-12-01 | 2016-10-19 | 广西电网有限责任公司南宁供电局 | Fixing device |
| CN106092365A (en) * | 2016-06-16 | 2016-11-09 | 陈国平 | Method and the application thereof of the one side temperature measurement accuracy of ultra-thin thermometric card can be improved |
| CN107678910A (en) * | 2017-08-03 | 2018-02-09 | 郑州云海信息技术有限公司 | A kind of method of server complete machine temperature control |
| CN207556694U (en) * | 2017-12-12 | 2018-06-29 | 昆山市计量检测中心 | A kind of temperature measuring equipment |
-
2019
- 2019-08-06 CN CN201910720199.8A patent/CN110487430B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110487430A (en) | 2019-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110487430B (en) | Server temperature measuring device | |
| US9442150B2 (en) | System and method for monitoring and controlling a transformer | |
| CN102652252A (en) | Condition monitoring system for a motor | |
| CN210603661U (en) | Temperature measuring device for server air outlet | |
| CN209945580U (en) | Data machine room local hot spot detection system applying wireless temperature sensor and unmanned aerial vehicle for accurate positioning | |
| CN110333090A (en) | A kind of test method for firing oil cooler performance | |
| CN112834063A (en) | Power transformer temperature measuring device and measuring system capable of being checked on line | |
| US20090319216A1 (en) | Teaching device and teaching method | |
| JP2003260039A (en) | Mri system and its maintenance assisting device | |
| CN117214771A (en) | Inter-turn short circuit fault position estimation method and system based on detection coil array | |
| CN112461405A (en) | Detection device and test method for metal material deflection and temperature continuous test | |
| CN213842104U (en) | Water pipe profile tolerance inspection tool | |
| CN109708826A (en) | A kind of differential pressure type detection system and method | |
| KR20110075597A (en) | Vibrometer of suddenpressure relay in power transformer and controlling method thereof | |
| CN110095071B (en) | Electronic measurement checking fixture and electronic measurement method | |
| CN110346648B (en) | Three-dimensional map expression method for wide-area relative capacitance ratio | |
| CN108534918A (en) | Automatic isolation detection system of sensor | |
| KR20120004637A (en) | Monitoring system for pipe | |
| CN112345152A (en) | Probe and pressure measuring equipment with same | |
| CN219798530U (en) | Vibration sensor calibration device | |
| CN220983323U (en) | Checking device for rotation speed sensor | |
| CN116879121B (en) | Air particulate matter concentration real-time monitoring system based on optical fiber sensing technology | |
| CN116718295B (en) | Remote automatic acquisition system for pressure gauge data | |
| CN211855871U (en) | Linear module measuring equipment | |
| CN218822149U (en) | Wireless bridge strain monitoring system |
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 |