CN202453038U - Pulse radar sensor - Google Patents
Pulse radar sensor Download PDFInfo
- Publication number
- CN202453038U CN202453038U CN201220068847XU CN201220068847U CN202453038U CN 202453038 U CN202453038 U CN 202453038U CN 201220068847X U CN201220068847X U CN 201220068847XU CN 201220068847 U CN201220068847 U CN 201220068847U CN 202453038 U CN202453038 U CN 202453038U
- Authority
- CN
- China
- Prior art keywords
- universal joint
- sensor
- shell
- flange
- tip
- 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.)
- Expired - Lifetime
Links
- 239000000523 sample Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 11
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 17
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract 5
- 238000010926 purge Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Radar Systems Or Details Thereof (AREA)
Abstract
The utility model discloses a pulse radar sensor and belongs to the field of sensors. The sensor comprises a casing. A pressing nut, a radar probe, a tetrafluoro tip and a horn opening are sequentially arranged in the casing, a first seal ring is arranged between the tetrafluoro tip and an inner wall of an antenna casing, and the horn opening is connected to the bottom of the antenna casing through a first bolt. The pulse radar sensor is characterized in that the casing is provided with a blowing hole, and the blowing hole is communicated with a space in the horn opening where the bottom end of the tetrafluoro tip is located through a channel positioned in a casing wall. The casing of the sensor is provided with the blowing hole, the blowing hole is communicated to the portion of the tetrafluoro tip, dust attached to the tetrafluoro tip can be blown away by enabling the blowing hole to be matched with an externally-connected air source, and measurement of the sensor in complex dust working conditions is not influenced in a dust-removing mode.
Description
Technical Field
The utility model relates to a sensor field especially relates to a pulse radar sensor suitable for in dust operating mode.
Background
In modern industrial level measurement applications, a pulse radar level gauge is widely used as a non-contact radar level gauge in level measurement, and an antenna device of the pulse radar level gauge is used as a transmitting and receiving part of electromagnetic waves and directly influences the strength of a received signal. In the measuring process, environmental conditions can have certain influence on the device, for example, the measured substance has dust characteristics, and when the measured substance dust is attached to the antenna emission device, the transmission and the reception of electromagnetic waves can be blocked, so that the measurement is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses embodiment provides a pulse radar sensor can solve present pulse radar sensor and can't be applicable to and use in the dust operating mode, and this sensor has good adaptability in the dust operating mode.
For solving the above problem the utility model provides a technical scheme as follows:
an embodiment of the utility model provides a pulse radar sensor, include: the antenna comprises a shell, wherein a compression nut, a radar probe, a polytetrafluoroethylene tip and a horn mouth are sequentially arranged in the shell, a first sealing ring is arranged between the polytetrafluoroethylene tip and the inner wall of the antenna shell, and the horn mouth is connected to the bottom of the antenna shell through a first bolt; and the shell is provided with a purging hole, and the purging hole is communicated with the space in the horn mouth where the bottom end of the tetrafluoro tip is positioned through a channel in the shell wall.
Can find out by the technical scheme that the aforesaid provided, the utility model discloses embodiment provides a pulse radar sensor through be equipped with the purge hole on the shell of sensor, the purge hole communicates to the sharp position of tetrafluoro, and this purge hole of accessible and external air supply cooperation will be attached to the dust on the sharp (antenna position) of tetrafluoro and blown away to through the mode of cleaing away the dust, guarantee that the sensor measures not influenced in the dust operating mode of complicacy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic cross-sectional structural diagram of a pulse radar sensor provided in an embodiment of the present invention;
fig. 2 is a schematic diagram of an outline structure of a pulse radar sensor according to an embodiment of the present invention;
fig. 3 is a schematic top view of a pulse radar sensor according to an embodiment of the present invention;
the parts in the figures are correspondingly numbered: 1-a housing; 2-a compression nut; 3-a radar probe; 4-tetrafluoro tip; 5-a first sealing ring; 6-universal joint; 7-a first bolt; 8-a second sealing ring; 9-bell mouth; 10-a gimbal flange; 11-a hold-down flange; 12-a second bolt; 12-purge hole.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The embodiment of the utility model provides a pulse radar sensor is a sensor that can be used in the dust operating mode, as shown in fig. 1 ~ 3, this sensor includes: the antenna comprises a shell, wherein a compression nut, a radar probe, a tetrafluoro tip and a horn mouth are sequentially arranged in the shell, a first sealing ring (an O-shaped rubber sealing ring can be adopted) is arranged between the tetrafluoro tip and the inner wall of the antenna shell, and the horn mouth is connected to the bottom of the antenna shell through a first bolt; the Teflon tube is characterized in that a sweeping hole is formed in the shell and is communicated with a space in the horn mouth where the bottom end of the Teflon tip is located through a channel in the wall of the shell.
Above-mentioned sensor is through setting up the purge hole on the shell at the sensor to make the purge hole communicate to the sharp position of tetrafluoro, this purge hole of accessible and external air supply cooperation will be attached to the dust on the sharp (the antenna position of sensor promptly) of tetrafluoro and blown away, thereby through the mode of cleaing away the dust, guarantee that the sensor measures not influenced in complicated dust operating mode.
Further, the sensor may further include: the universal joint, the universal joint flange, the pressing flange and the second bolt; a universal joint is arranged outside the middle part of the shell, a second sealing ring is arranged between the shell and the universal joint of a second sealing ring (an O-shaped rubber sealing ring can be adopted), and the universal joint is movably arranged in a universal joint flange;
and a pressing flange is arranged on the universal joint above the universal joint flange and is connected with the universal joint flange through a second bolt.
The outer part of the universal joint is an arc spherical surface, and a cavity for fixedly mounting the shell is arranged in the middle of the universal joint. The universal joint can adjust the direction in the universal joint flange.
The second bolts are uniformly distributed on the pressing flange and are connected with the universal joint flange.
The sensor with the structure is installed in a matched mode through the universal joint and the universal joint flange, and therefore the measuring direction of the sensor can be adjusted at will through the matching of the universal joint and the universal joint flange.
In fact can be in the utility model discloses set up the purge hole on the shell promptly among the sensor, also set up universal joint and universal joint flange on the shell, through using this sensor of universal joint and universal joint flange mounting like this, can conveniently change the test direction of this sensor to the purge hole and the cooperation of outside air supply that are equipped with on the sensor housing can blow away the sharp position dust of tetrafluoro that the purge hole leads to. Therefore, the mode of changing the testing direction and removing dust is formed, and the fact that the working condition of the sensor in dust measurement is not influenced is guaranteed.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A pulse radar sensor, comprising: the antenna comprises a shell, wherein a compression nut, a radar probe, a polytetrafluoroethylene tip and a horn mouth are sequentially arranged in the shell, a first sealing ring is arranged between the polytetrafluoroethylene tip and the inner wall of the antenna shell, and the horn mouth is connected to the bottom of the antenna shell through a first bolt; the Teflon tube is characterized in that a sweeping hole is formed in the shell and is communicated with a space in the horn mouth where the bottom end of the Teflon tip is located through a channel in the wall of the shell.
2. The sensor of claim 1, further comprising: the universal joint, the universal joint flange, the pressing flange and the second bolt; wherein,
a universal joint is arranged outside the middle part of the shell, a second sealing ring is arranged between the shell and the universal joint of the second sealing ring, and the universal joint is arranged in a universal joint flange;
and a pressing flange is arranged on the universal joint above the universal joint flange and is connected with the universal joint flange through a second bolt.
3. The sensor of claim 2, wherein the gimbal has an outer portion in the form of an arcuate spherical surface with a cavity therebetween for fixedly mounting the housing.
4. The sensor of claim 2, wherein the gimbal is disposed within a gimbal flange: the universal joint is movably arranged in the universal joint flange.
5. The sensor of claim 2, wherein the second seal ring is an O-ring rubber seal ring.
6. The sensor of claim 2, wherein the second bolts are uniformly distributed on the hold-down flange and are connected with the universal joint flange.
7. The sensor of claim 1, wherein the first seal ring is an O-ring rubber seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220068847XU CN202453038U (en) | 2012-02-27 | 2012-02-27 | Pulse radar sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220068847XU CN202453038U (en) | 2012-02-27 | 2012-02-27 | Pulse radar sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202453038U true CN202453038U (en) | 2012-09-26 |
Family
ID=46868895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220068847XU Expired - Lifetime CN202453038U (en) | 2012-02-27 | 2012-02-27 | Pulse radar sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202453038U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864263A (en) * | 2012-10-22 | 2013-01-09 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN103557905A (en) * | 2013-11-20 | 2014-02-05 | 中环天仪股份有限公司 | High-temperature radar sounding rod |
| CN106415923A (en) * | 2014-05-30 | 2017-02-15 | Vega格里沙贝两合公司 | Antenna array |
| CN109713452A (en) * | 2018-11-21 | 2019-05-03 | 北京古大仪表有限公司 | A kind of electromagnetic horn and radar levelmeter |
-
2012
- 2012-02-27 CN CN201220068847XU patent/CN202453038U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102864263A (en) * | 2012-10-22 | 2013-01-09 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN102864263B (en) * | 2012-10-22 | 2014-10-15 | 北京科技大学 | Novel mechanical scanning radar device for measuring shape of shaft furnace charge level |
| CN103557905A (en) * | 2013-11-20 | 2014-02-05 | 中环天仪股份有限公司 | High-temperature radar sounding rod |
| CN103557905B (en) * | 2013-11-20 | 2016-02-24 | 中环天仪股份有限公司 | A kind of high-temperature radar stock rod |
| CN106415923A (en) * | 2014-05-30 | 2017-02-15 | Vega格里沙贝两合公司 | Antenna array |
| US10411323B2 (en) | 2014-05-30 | 2019-09-10 | Vega Grieshaber Kg | Antenna arrangement |
| CN109713452A (en) * | 2018-11-21 | 2019-05-03 | 北京古大仪表有限公司 | A kind of electromagnetic horn and radar levelmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202453038U (en) | Pulse radar sensor | |
| CN203745010U (en) | Integrated temperature and pressure vortex flow meter | |
| CN209356528U (en) | A kind of miniaturization high temperature wind speed feeler lever | |
| CN205719438U (en) | A kind of ultrasound wave air tightness detection system based on multisensor | |
| CN109764799B (en) | Waterproof displacement measuring device | |
| CN207850589U (en) | Condensation-proof transmitter | |
| CN106353653A (en) | Suction disk type local discharging ultrasonic transducer | |
| JP2004245622A (en) | Pressure sensor, transmitter, and tire state monitoring device | |
| CN207675359U (en) | A kind of air pressure probe | |
| CN207730371U (en) | A kind of mining diesel engine explosion-proof pressure transmitter | |
| CN116047240A (en) | Switch cabinet partial discharge detection device based on ozone and ultrasonic combined detection | |
| CN213149238U (en) | Industrial equipment vibration parameter measuring device | |
| CN202511842U (en) | Pulse radar level meter | |
| CN204496664U (en) | Acetylene gas leakage detector | |
| CN210943214U (en) | Detection device for detecting liquid temperature in liquid storage tank and liquid storage tank | |
| CN208333785U (en) | A kind of calibrating installation of airtight leak detector | |
| CN201867278U (en) | Differential pressure diaphragm seal structure of transmitting instrument | |
| CN207554037U (en) | Oil field integrated temperature pressure transmitter | |
| CN212363358U (en) | Intelligent high-frequency radar liquid level sensor | |
| CN206235700U (en) | A kind of sucked type shelf depreciation ultrasonic sensor | |
| CN212645841U (en) | Air-conduction pressure type liquid level sensor | |
| CN210136025U (en) | Shield constructs quick-witted soil pressure sensor calibrating device | |
| CN217878127U (en) | High-pressure flat-film pressure sensor | |
| CN205580923U (en) | Portable densimeter | |
| CN205169425U (en) | Jar body pressure measuring equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: The Canal Road on the eastern side of economic and Technological Development Zone of Langfang city in 065000 in Hebei province Xianghe County Ansheng Road West Street on the north side. Patentee after: Precision instrument (Xianghe) Co., Ltd. Address before: 100095 Beijing, Yongfeng high tech industrial base, Feng Yin Road No. 7, building 2006, room 1, No. Patentee before: Xue Zhiyong |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120926 |