TWI473974B - Magnetostrictive sensor - Google Patents
Magnetostrictive sensor Download PDFInfo
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- TWI473974B TWI473974B TW101120576A TW101120576A TWI473974B TW I473974 B TWI473974 B TW I473974B TW 101120576 A TW101120576 A TW 101120576A TW 101120576 A TW101120576 A TW 101120576A TW I473974 B TWI473974 B TW I473974B
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Description
本發明係關於一種磁致伸縮感測器，尤指一種可保護感測器並具有防水功效的磁致伸縮感測器。The invention relates to a magnetostrictive sensor, in particular to a magnetostrictive sensor capable of protecting a sensor and having waterproof effect.
磁致伸縮感測器的基本結構係由一個磁導材料、一個以上的磁性移動體、一個電流脈波發生器以及一應變訊號檢出器構成。應變訊號檢出器可以是藉由檢出磁導材料因應變產生的磁場變化，在另一端由感應線圈(Coil)檢出，除此之外，可利用一個壓電材料檢出應變量並轉換成電壓，此效應稱為magnetostrictive effects(磁場造成磁導材料械形變)，結合反向作用稱為機械形變造成磁場變異(inverse magnetostrictive effects)，則可以檢知磁導材料的變化，作為訊號檢出。磁致伸縮感測器的作動原理是利用磁感量測回波的振動訊號。整個作動機制包括：The basic structure of the magnetostrictive sensor consists of a magnetically permeable material, more than one magnetic moving body, a current pulse generator and a strain signal detector. The strain signal detector can be detected by the induction coil (Coil) at the other end by detecting the change of the magnetic field caused by the strain of the magnetic material, and in addition, the strain can be detected and converted by using a piezoelectric material. In the form of voltage, this effect is called magnetostrictive effects. In combination with the reverse action called mechanical magnetostrictive effects, the change of the magnetically permeable material can be detected and detected as a signal. . The principle of operation of the magnetostrictive sensor is to measure the echo signal of the echo using the magnetic induction. The entire actuation mechanism includes:
1.電流脈衝訊號(Electric Trigger)饋入磁導材料，以產生磁場並以光速沿磁導材料軸向傳遞。1. An electric pulse signal (Electric Trigger) is fed into the magnetically permeable material to generate a magnetic field and transmit along the axial direction of the magnetically permeable material at the speed of light.
2.與磁性移動體上的固定磁場相衝擊，由於磁場相衝擊之反作用力激起應變震波，令震波以聲波速度沿磁導材料兩邊傳遞。2. Impinging on the fixed magnetic field on the magnetic moving body, the reaction force is excited by the reaction force of the magnetic field phase shock, so that the seismic wave is transmitted along both sides of the magnetic conductive material at the acoustic wave velocity.
3.當震波傳回時，震波經由一個壓電轉換器或感應線圈(coil)輸出電壓脈衝訊號。3. When the seismic wave is transmitted back, the seismic wave outputs a voltage pulse signal via a piezoelectric transducer or a coil.
4.取得電流脈衝訊號訊號與電壓脈衝訊號，並計算震波波速與時間差，得到距離定位值。4. Obtain the current pulse signal signal and the voltage pulse signal, and calculate the seismic wave velocity and time difference to obtain the distance positioning value.
由上述可知，磁致伸縮感測器為精密的工業用感測器，其內部驅動原理為電路裝置輸入一脈衝電流進入磁導材料(磁致伸縮材料)，當脈衝電流與磁性移動體遭遇時，改變磁導材料的磁場方向，產生微小的震動或磁場變化，最後訊號回到感測電路裝置，利用脈衝電流與回波訊號的時間間隔做計算而檢測出磁鐵的感應位置。但也因為磁致伸縮感測器為高精度與高穩定度之產品，故內部的結構設計便極為重要，既要有相當的可靠度結構設計且組裝過程必須簡單而不複雜。It can be seen from the above that the magnetostrictive sensor is a sophisticated industrial sensor whose internal driving principle is that the circuit device inputs a pulse current into the magnetic conductive material (magnetostrictive material) when the pulse current encounters the magnetic moving body. Change the magnetic field direction of the magnetically permeable material to produce a slight vibration or magnetic field change. Finally, the signal returns to the sensing circuit device, and the sensing position of the magnet is detected by using the time interval between the pulse current and the echo signal. However, because the magnetostrictive sensor is a product with high precision and high stability, the internal structural design is extremely important, and it must have a fairly reliable structural design and the assembly process must be simple and uncomplicated.
如美國第5998991號發明專利案即揭露一種磁致伸縮感測器，請配合參閱圖7，其內包含有一外管90及一設於外管90內的內管91，該內管91內設有一磁導材料92，且磁導材料92係分別固定於內管91兩端，其中磁導材料92一端和一外部連接器93連接，另端則透過內管91和另一外部連接器94連接，意即該內管91係由一可導電的材質構成，如此一來該磁導材料92透過外部連接器93、94即可與外部的感測電路(圖中未示)連接，藉此將磁導材料92所產生的震波傳遞至感測電路，並計算兩外部連接器93、94分別回傳震波的速度差及時間差，即可得知液位的高度。A magnetostrictive sensor is disclosed in the Japanese Patent No. 5998991, please refer to FIG. 7 , which includes an outer tube 90 and an inner tube 91 disposed in the outer tube 90. The inner tube 91 is provided. There is a magnetically permeable material 92, and the magnetically permeable material 92 is respectively fixed at both ends of the inner tube 91, wherein one end of the magnetic conductive material 92 is connected to an external connector 93, and the other end is connected through the inner tube 91 and another external connector 94. That is, the inner tube 91 is made of an electrically conductive material, so that the magnetic conductive material 92 can be connected to an external sensing circuit (not shown) through the external connectors 93 and 94, thereby The seismic wave generated by the magnetically permeable material 92 is transmitted to the sensing circuit, and the difference in speed and time difference between the two external connectors 93 and 94 respectively is calculated, and the height of the liquid level can be known.
上述磁致伸縮感測器的內、外管91、90之間係透過焊接組裝，故其平行度不夠，意即該內管91組裝於外管90內時，極易造成內、外管91、90之間的摩擦，進而造成內管91或外管90的元件損毀，進而可能造成感測器功能失效，又維修時，需將內管91拆離外管90，此時極易造成異物入侵或水氣入侵，致使感測器功能損毀，另該磁致伸縮 感測器的長度超過一定長度時，極易因內管或外管的偏擺而造成內、外管之間的組裝誤差，致使感測器失效，鑑於上述問題，實有必要謀求可行的解決方案。The inner and outer tubes 91 and 90 of the magnetostrictive sensor are assembled by welding, so that the parallelism is insufficient, that is, when the inner tube 91 is assembled in the outer tube 90, the inner and outer tubes 91 are easily caused. The friction between 90 and 90 causes the components of the inner tube 91 or the outer tube 90 to be damaged, which may cause the sensor function to fail. When the maintenance is performed, the inner tube 91 needs to be detached from the outer tube 90, and the foreign matter is easily generated at this time. Intrusion or moisture intrusion, resulting in damage to the sensor function, and the magnetostriction When the length of the sensor exceeds a certain length, it is easy to cause assembly error between the inner and outer tubes due to the yaw of the inner tube or the outer tube, causing the sensor to fail. In view of the above problems, it is necessary to find a feasible solution. Program.
鑑於上述現有技術的缺點，本發明主要目的係提供一種可保護感測器以避免異物入侵，且具有防水之功效的磁致伸縮感測器。In view of the above disadvantages of the prior art, the main object of the present invention is to provide a magnetostrictive sensor which can protect a sensor from foreign matter intrusion and has a waterproof effect.
為達成上述目的所採取的技術手段係令前述感測器包含有：一個以上的內管，係呈中空管狀，其具有一第一端及一第二端；一外管，係套設於內管外，且外管長度係匹配於內管；一防護管，係套設於內管外而位於外管內，該防護管的長度匹配於內管長度，該防護管係由一堅固且絕緣的材料構成；一上固定座，套設於內管的第一端，該上固定座係呈中空狀，具有一外側端及一內側端，其內側端形成有一內管槽，外側端形成有一與內管槽連通的安裝槽，該內管槽係用以固定內管一端；一下固定座，套設於內管的第二端，該下固定座係呈中空狀，具有一外側端及一內側端，其內側端形成有一內管槽，外側端形成有一與內管槽連通的安裝槽，該內管槽係用以固定內管相對於上固定座的另端；一感應模組，係設於上固定座外側端的安裝槽內； 一磁導材料，其兩端分設有一線接頭，其中一線接頭位於上固定座的安裝槽中且穿設於感應模組上，另一線接頭係設於下固定座的安裝槽內，利用兩線接頭將磁導材料的兩端分別固定在內管的第一、第二端上，使磁導材料不接觸地穿設於管件內；一外固定座，套設於防護管的一端，該外固定座係呈中空狀，具有一外側端及一內側端，其內側端形成有一防護管槽，外側端形成有一與防護管槽連通的容置槽，供固定該上固定座，該防護管槽係用以固定防護管一端；依照上述構造所構成的感測器，主要係令上固定座的內側端固定於內管的第一端，並將感應模組及磁導材料分別設於上固定座的安裝槽及內管內，再將該上固定座容置於外固定座的容置槽內，且該內管係穿出於外固定座的防護管槽，又進一步地將該防護管固定於外固定座的防護管槽，最後將外管套設於防護管外並固定於外固定座上，其中，如欲維修時而將外管拆離時，此時因具有防護管而可避免異物入侵或水氣入侵至該感應模組或磁導材料，又該防護管係使用堅固材料構成，故組裝時免於焊接，故可供一高平行度的管路，又該防護管可提供一支撐力，可提供避免內、外管之間相互摩擦，另可避免因內管及外管偏擺而造成感測器失效，如此一來即可提供可保護感測器避免異物入侵或水氣入侵，且具有防護功效的磁致伸縮感測器。The technical means adopted for achieving the above object is that the sensor comprises: one or more inner tubes which are hollow tubular and have a first end and a second end; an outer tube is sleeved inside Outside the tube, and the length of the outer tube is matched to the inner tube; a protective tube is sleeved outside the inner tube and located in the outer tube, the length of the protective tube is matched with the length of the inner tube, and the protective tube is made of a strong and insulated The upper fixing seat is sleeved on the first end of the inner tube. The upper fixing seat is hollow, has an outer end and an inner end, and an inner tube groove is formed at an inner end thereof, and an outer end is formed at the outer end. a mounting groove communicating with the inner tube groove, the inner tube groove is for fixing one end of the inner tube; the lower fixing seat is sleeved at the second end of the inner tube, the lower fixed seat is hollow, having an outer end and a The inner end has an inner tube groove formed at an inner end thereof, and the outer end portion defines a mounting groove communicating with the inner tube groove, wherein the inner tube groove is for fixing the other end of the inner tube relative to the upper fixing seat; Provided in a mounting groove at an outer end of the upper mount; A magnetically conductive material is provided with a wire joint at both ends thereof, wherein one wire joint is located in the mounting groove of the upper fixing seat and is disposed on the sensing module, and the other wire connector is disposed in the mounting groove of the lower fixing seat, and utilizes two The wire joint fixes the two ends of the magnetic conductive material to the first and second ends of the inner tube respectively, so that the magnetic conductive material penetrates through the tube member without contact; and an outer fixing seat is sleeved at one end of the protective tube, The outer fixing seat has a hollow shape and has an outer end and an inner end, and a protective tube groove is formed at an inner end thereof, and a receiving groove communicating with the protective tube groove is formed at the outer end for fixing the upper fixing seat, the protective tube The slot is used to fix one end of the protective tube; the sensor constructed according to the above structure mainly fixes the inner end of the upper fixing seat to the first end of the inner tube, and the sensing module and the magnetic conductive material are respectively disposed on the upper end of the inner tube The mounting seat and the inner tube of the fixing seat are accommodated in the receiving groove of the outer fixing seat, and the inner tube is threaded through the protective tube groove of the outer fixing seat, and the protection is further protected The tube is fixed to the protective tube groove of the outer fixing seat, and finally the outer tube The sleeve is disposed outside the protective tube and is fixed on the outer fixing seat. When the outer tube is detached for maintenance, the protective tube can prevent the foreign matter from invading or the moisture invading into the sensing module or the magnetic body. The guiding material and the protective pipe are made of a solid material, so that it is free from welding during assembly, so that a high parallel pipe can be provided, and the protective pipe can provide a supporting force, which can be provided between the inner and outer pipes. Rubbing each other, and avoiding the sensor failure due to the yaw of the inner tube and the outer tube, so that the magnetostrictive sensing can be provided to protect the sensor from foreign matter intrusion or moisture intrusion. Device.
關於本發明之一實施例，請參閱圖1，該感測器包含有 一個以上的內管10、一外管20、一防護管30、一上固定座40、一下固定座50、一感應模組60、一磁導材料70及一外固定座80，其中：With regard to an embodiment of the present invention, referring to FIG. 1, the sensor includes More than one inner tube 10, an outer tube 20, a protective tube 30, an upper fixing base 40, a lower fixing base 50, a sensing module 60, a magnetic conductive material 70 and an outer fixing base 80, wherein:
該內管10係呈中空管狀，且其具有一第一端11及一第二端12，於本實施例中，該內管10的外側壁上於相對的位置分別形成有一置線槽13(請配合參閱圖2所示)。The inner tube 10 has a hollow tubular shape and has a first end 11 and a second end 12. In the embodiment, the outer side wall of the inner tube 10 is respectively formed with a line groove 13 at opposite positions ( Please refer to Figure 2).
該外管20係套設於內管10外，且其長度係匹配於內管10，該外管20一端係固定於外固定座80上。The outer tube 20 is sleeved outside the inner tube 10, and its length is matched with the inner tube 10, and one end of the outer tube 20 is fixed to the outer fixing base 80.
該防護管30係設於內管10外而位於外管20內，且防護管30係匹配內管10長度，又防護管30之一端係設於外固定座80一端內，於本實施例中，防護管30係使用一金屬材質，且內外管壁分別施以絕緣塗層以令該防護管30形成一絕緣體。The protective tube 30 is disposed outside the inner tube 10 and located in the outer tube 20, and the protective tube 30 is matched with the length of the inner tube 10, and one end of the protective tube 30 is disposed in one end of the outer fixing base 80, in this embodiment. The protective tube 30 is made of a metal material, and the inner and outer tube walls are respectively provided with an insulating coating to form the protective tube 30 to form an insulator.
請配合參閱圖3，該上固定座40呈中空狀，且具有一外側端及一內側端，該內側端形成有一內管槽41，供固定內管10一端，該外側端形成有一與內管槽41連通的安裝槽42。Referring to FIG. 3, the upper fixing base 40 is hollow and has an outer end and an inner end. The inner end is formed with an inner tube groove 41 for fixing one end of the inner tube 10, and the outer end is formed with an inner tube. The groove 41 is connected to the mounting groove 42.
該感應模組60係設於上固定座40的安裝槽42內，主要係用以感測該磁導材料70後並將其訊號傳送至外部的一感測電路(圖中未示)。The sensing module 60 is disposed in the mounting groove 42 of the upper fixing base 40, and is mainly used for sensing the magnetic conductive material 70 and transmitting the signal to the outside of a sensing circuit (not shown).
請配合參閱圖4，該下固定座50呈中空狀，其係套設於內管10的第二端，又下固定座50具有一外側端及一內側端，其內側端形成有一內管槽51，以供固定內管10相對上固定座40的另端，外側端形成有一與內管槽51連通的安裝槽52。Referring to FIG. 4, the lower fixing base 50 is hollow, and is sleeved on the second end of the inner tube 10. The lower fixing base 50 has an outer end and an inner end, and an inner tube groove is formed at an inner end thereof. 51, for fixing the inner tube 10 to the other end of the upper fixing base 40, and the outer end is formed with a mounting groove 52 communicating with the inner tube groove 51.
該磁導材料70兩端分設有一線接頭71，其中一線接頭71設於感應模組60上(如圖3所示)，另一線接頭71係設於下固定座50的安裝槽52內，利用兩線接頭71將磁導材料70的兩端分別固定在內管10的第一、第二端11、12上，進而使磁導材料70不接觸地穿設於內管10內，其中磁導材料70一端係穿出內管10第一端11，且與感測模組60連接，再直線延伸穿出該線接頭71並固定，如此即可形成一外部連接器72，又磁導材料70相對的另端係於內管10第二端12穿出(如圖4所示)，並彎折穿設於內管10及防護管30之間的置線槽13，再於與外部連接器72同方向地以直線穿出該上固定座40並且固定，藉以形成另一外部連接器73，透過外部連接器72、73即可與外部感測電路連接(圖中未示)。A wire joint 71 is disposed at two ends of the magnetic conductive material 70. One wire joint 71 is disposed on the sensing module 60 (as shown in FIG. 3), and the other wire connector 71 is disposed in the mounting groove 52 of the lower fixing base 50. The two ends of the magnetic conductive material 70 are respectively fixed to the first and second ends 11 and 12 of the inner tube 10 by the two-wire joint 71, so that the magnetic conductive material 70 is penetrated into the inner tube 10 without contact, wherein the magnetic material One end of the guiding material 70 passes through the first end 11 of the inner tube 10, and is connected to the sensing module 60, and then extends straight through the wire joint 71 and is fixed, so that an external connector 72 can be formed, and the magnetic conductive material is formed. The opposite end of the 70 is threaded through the second end 12 of the inner tube 10 (as shown in FIG. 4), and is bent through the wire slot 13 between the inner tube 10 and the protective tube 30, and then connected to the outside. The device 72 passes through the upper mount 40 in a straight line in the same direction and is fixed, thereby forming another external connector 73, and can be connected to an external sensing circuit (not shown) through the external connectors 72, 73.
請配合圖3所示，該外固定座80係呈中空狀，具有一外側端及一內側端，其內側端形成有一防護管槽81，以供固定防護管30一端，外側端形成有一防護管槽81連通的容置槽82，該容置槽82係用以固定該上固定座40。As shown in FIG. 3, the outer fixing base 80 is hollow, has an outer end and an inner end, and a protective tube groove 81 is formed at an inner end thereof for fixing one end of the protective tube 30, and a protective tube is formed at the outer end. The accommodating groove 82 is connected to the accommodating groove 82. The accommodating groove 82 is used for fixing the upper fixing base 40.
上述磁致伸縮感測器如欲增加長度時，係可透過連接二個以上的內管10藉以延伸長度，其中主要係進一步設有一個以上的套管14(如圖5所示)，該套管14係中空狀，且兩端分別形成有一匹配內管10管徑的插槽141，以供內管10一端插設於一插槽141內，相對地另一插槽141則供另一內管10一端插設，如此組合即可延伸長度。If the magnetostrictive sensor is to be increased in length, it can be extended by connecting two or more inner tubes 10, wherein the main body is further provided with more than one sleeve 14 (as shown in FIG. 5). The tube 14 is hollow, and two ends are respectively formed with a slot 141 matching the diameter of the inner tube 10, so that one end of the inner tube 10 is inserted into one slot 141, and the other slot 141 is opposite for the other. The tube 10 is inserted at one end, and the length can be extended by such a combination.
上述外管20進一步設有一固定帽21(如圖6所示)及可滑動地套設有一磁性裝置22(如圖1所示)，該固定帽21係 位於外管20一端，且用以與外固定座80連接固定(本實施例中係採螺合固定)，又固定帽21與外固定座80間更進一步地設有一防水環23，藉此可避免水氣進入外管20內，該磁性裝置22呈球形狀，且其內設有浮球(圖中未示)以供磁性裝置22漂浮於液面上，該磁性裝置22主要係用以提供一固定磁場，藉以供感測液位高度之用。The outer tube 20 is further provided with a fixing cap 21 (as shown in FIG. 6) and a magnetic device 22 (shown in FIG. 1) slidably sleeved, and the fixing cap 21 is It is located at one end of the outer tube 20 and is fixedly connected to the outer fixing base 80 (in this embodiment, the screw is fixed), and a waterproof ring 23 is further disposed between the fixed cap 21 and the outer fixing base 80. The water gas 22 is prevented from entering the outer tube 20. The magnetic device 22 has a spherical shape, and a floating ball (not shown) is disposed therein for the magnetic device 22 to float on the liquid surface. The magnetic device 22 is mainly used to provide A fixed magnetic field for sensing the height of the liquid level.
依照上述構造所構成的磁致伸縮感測器，主要係透過內管10固定於上固定座40的內管槽41，並於上固定座40的安裝槽42固定該感測模組60，再由外固定座80的容置槽82固定上固定座40，且該內管10係由外固定座80的防護管槽81穿出，又外固定座80的防護管槽81係固定該防護管30，且防護管30係套設該內管10，另該磁導材料70的一端係穿設於內管10、上固定座40及感測模組60，相對的另端則係由內管10的第二端12及由線接頭71穿出後，並將磁導材料70彎折後穿置於內管10的置線槽13內，再直線地穿出該上固定座40，其中，當磁致伸縮感測器發生故障時，多半係將感測器於倉儲內取出後，再進行拆解以維修，其拆解過程係先將該外管20取下，因具有防護管30，故可避免於外管20取下時因不慎而造成水氣或異物直接接觸到磁導材料70或感測模組60，進而可能造成感測器損毀，又該防護管30係金屬材質，故具有較佳的支撐力，因此當感測器較長時，可避免內管10及外管20之間相互偏擺而造成組裝誤差，亦可避免內、外管10、20相互摩擦而造成感測器損毀，如此一來，透過防護管30即可達到防止異物或水氣入侵的目的，且藉由防護管30提供的支 撐力，可進一步令該內管10及外管20之間距離得以固定，藉以避免相互摩擦而造成損毀。The magnetostrictive sensor according to the above configuration is mainly fixed to the inner tube groove 41 of the upper holder 40 through the inner tube 10, and the sensing module 60 is fixed to the mounting groove 42 of the upper holder 40, and then The upper fixing seat 40 is fixed by the receiving groove 82 of the outer fixing base 80, and the inner tube 10 is passed through the protective tube groove 81 of the outer fixing seat 80, and the protective tube groove 81 of the outer fixing seat 80 fixes the protective tube 30, and the protective tube 30 is sleeved with the inner tube 10, and one end of the magnetic conductive material 70 is disposed through the inner tube 10, the upper fixing base 40 and the sensing module 60, and the opposite end is connected by the inner tube After the second end 12 of the 10 is pierced by the wire connector 71, the magnetic conductive material 70 is bent and then placed in the wire-slot 13 of the inner tube 10, and then the upper fixing seat 40 is linearly passed out. When the magnetostrictive sensor fails, most of the sensor is taken out of the warehouse and then disassembled for maintenance. The disassembling process first removes the outer tube 20, and has a protective tube 30, Therefore, when the outer tube 20 is removed, water vapor or foreign matter may be directly contacted to the magnetic conductive material 70 or the sensing module 60, which may cause the sensor to be damaged, and The protective tube 30 is made of a metal material, so that it has a better supporting force. Therefore, when the sensor is long, the inner tube 10 and the outer tube 20 can be prevented from eccentricity, thereby causing assembly errors, and the inner and outer tubes can be avoided. 10, 20 rubbing each other and causing the sensor to be damaged, so that the purpose of preventing foreign matter or moisture intrusion can be achieved through the protective tube 30, and the branch provided by the protective tube 30 The supporting force can further fix the distance between the inner tube 10 and the outer tube 20 to avoid damage caused by mutual friction.
10‧‧‧內管10‧‧‧Inside
11‧‧‧第一端11‧‧‧ first end
12‧‧‧第二端12‧‧‧ second end
13‧‧‧置線槽13‧‧‧Setting slot
14‧‧‧套管14‧‧‧ casing
141‧‧‧插槽141‧‧‧ slots
20‧‧‧外管20‧‧‧External management
21‧‧‧固定帽21‧‧‧Fixed cap
22‧‧‧磁性裝置22‧‧‧ Magnetic device
23‧‧‧防水環23‧‧‧Waterproof ring
30‧‧‧防護管30‧‧‧ protective tube
40‧‧‧上固定座40‧‧‧上固定座
41‧‧‧內管槽41‧‧‧ inner tube slot
42‧‧‧安裝槽42‧‧‧Installation slot
50‧‧‧下固定座50‧‧‧ lower seat
51‧‧‧內管槽51‧‧‧ inner tube slot
52‧‧‧安裝槽52‧‧‧Installation slot
60‧‧‧感應模組60‧‧‧Sensor module
70‧‧‧磁導材料70‧‧‧magnetic materials
71‧‧‧線接頭71‧‧‧Wire connector
72‧‧‧外部連接器72‧‧‧External connector
73‧‧‧外部連接器73‧‧‧External connector
80‧‧‧外固定座80‧‧‧ external mount
81‧‧‧防護管槽81‧‧‧ protective tube slot
82‧‧‧容置槽82‧‧‧ accommodating slots
圖1：係為本發明之一剖面圖。Figure 1 is a cross-sectional view of one of the present inventions.
圖2：係為本發明之內管剖面圖。Figure 2 is a cross-sectional view of the inner tube of the present invention.
圖3：係為本發明之內管第一端局部放大圖。Figure 3 is a partial enlarged view of the first end of the inner tube of the present invention.
圖4：係為本發明之內管第二端局部放大圖。Figure 4 is a partial enlarged view of the second end of the inner tube of the present invention.
圖5：係為本發明之套管局部放大圖。Figure 5 is a partial enlarged view of the casing of the present invention.
圖6：係為本發明之外管與外固定座之間局部放大圖。Figure 6 is a partial enlarged view of the outer tube and the outer holder of the present invention.
圖7：係為現有技術之一剖面圖。Figure 7 is a cross-sectional view of one of the prior art.
10‧‧‧內管10‧‧‧Inside
11‧‧‧第一端11‧‧‧ first end
12‧‧‧第二端12‧‧‧ second end
14‧‧‧套管14‧‧‧ casing
20‧‧‧外管20‧‧‧External management
21‧‧‧磁性裝置21‧‧‧ Magnetic device
23‧‧‧防水環23‧‧‧Waterproof ring
30‧‧‧防護管30‧‧‧ protective tube
40‧‧‧上固定座40‧‧‧上固定座
50‧‧‧下固定座50‧‧‧ lower seat
60‧‧‧感應模組60‧‧‧Sensor module
70‧‧‧磁導材料70‧‧‧magnetic materials
71‧‧‧線接頭71‧‧‧Wire connector
72‧‧‧外部連接器72‧‧‧External connector
73‧‧‧外部連接器73‧‧‧External connector
80‧‧‧外固定座80‧‧‧ external mount
81‧‧‧防護管槽81‧‧‧ protective tube slot
82‧‧‧容置槽82‧‧‧ accommodating slots
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101120576A TWI473974B (en) | 2012-06-08 | 2012-06-08 | Magnetostrictive sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW101120576A TWI473974B (en) | 2012-06-08 | 2012-06-08 | Magnetostrictive sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201350802A TW201350802A (en) | 2013-12-16 |
| TWI473974B true TWI473974B (en) | 2015-02-21 |
Family
ID=50157956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW101120576A TWI473974B (en) | 2012-06-08 | 2012-06-08 | Magnetostrictive sensor |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI473974B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11614026B2 (en) | 2019-11-25 | 2023-03-28 | Wheeler Fleet Solutions, Co. | Interchangeable coolant sensor for vehicle applications and methods of manufacture and use thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716941B (en) * | 2018-06-21 | 2024-02-02 | 迈格仪表(成都)有限公司 | Magnetostrictive multi-parameter measuring transmitter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322877A (en) * | 2011-05-31 | 2012-01-18 | 上海凡宜科技电子有限公司 | Magnetostrictive position sensor and magnetostrictive sensing component thereof |
-
2012
- 2012-06-08 TW TW101120576A patent/TWI473974B/en active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322877A (en) * | 2011-05-31 | 2012-01-18 | 上海凡宜科技电子有限公司 | Magnetostrictive position sensor and magnetostrictive sensing component thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11614026B2 (en) | 2019-11-25 | 2023-03-28 | Wheeler Fleet Solutions, Co. | Interchangeable coolant sensor for vehicle applications and methods of manufacture and use thereof |
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| Publication number | Publication date |
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| TW201350802A (en) | 2013-12-16 |
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