WO2019201207A1 - 一种耐高温可视化液体位置显示装置 - Google Patents
一种耐高温可视化液体位置显示装置 Download PDFInfo
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- WO2019201207A1 WO2019201207A1 PCT/CN2019/082709 CN2019082709W WO2019201207A1 WO 2019201207 A1 WO2019201207 A1 WO 2019201207A1 CN 2019082709 W CN2019082709 W CN 2019082709W WO 2019201207 A1 WO2019201207 A1 WO 2019201207A1
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- liquid
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- glass tube
- position display
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/02—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
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- the invention relates to the technical field of engineering machinery and fluid machinery, in particular to a visualization device for liquid position and liquid volume display of an engineering machinery heat exchanger, in particular to a high temperature resistant liquid position display device.
- liquid position display structures are required to indicate the level of liquid in certain equipment, piping, and containers.
- the main body is a rectangular parallelepiped transparent member, and a liquid guiding passage is formed on the transparent member.
- the liquid level display device of the structure has a rectangular parallelepiped structure for convenient connection with the liquid storage device. Since the whole body adopts a rectangular parallelepiped structure, the internal liquid guiding body is usually a round tube structure, so that different thicknesses at different positions bring about visual differences, and Conducive to accurate observation. At the same time, it will also cause material waste.
- the conventional transparent material is not suitable for special occasions, such as the liquid is in a high temperature state, or the liquid is in both high temperature and high pressure state, so a highly reliable liquid position display structure is needed to display the liquid. Location status.
- the present invention is to solve the above technical problems existing in the prior art, and aims to provide a high temperature resistant liquid position display device.
- a high temperature resistant liquid position display device comprising upper and lower mounting blocks and a tempered glass tube, wherein the tempered glass tube has two ends respectively and the upper portion a lower mounting block sealing connection; the upper and lower mounting blocks are connected to the liquid storage device by bolts; each mounting block is provided with a "T" shaped hole, and the "T" shaped hole includes the a longitudinal blind hole communicating with the tempered glass tube and a transverse through hole for the bolt to pass through, wherein the two ends of the lateral through hole are provided with an "O"-shaped sealing ring; and the bolt is further provided with the longitudinal blind hole And a flow channel for the liquid in the liquid storage device.
- the liquid position display device of the present invention uses a tempered glass tube as an observation body. Since the tempered glass tube has the advantages of high strength, high safety and good thermal stability, the invention can be applied to various occasions, including the case where the liquid is low temperature, high temperature, or high temperature and high pressure.
- the upper and lower mounting blocks are respectively connected to the two ends of the tempered glass tube of the present invention, and the whole device is connected to the liquid storage device through the upper and lower mounting blocks. Since the tempered glass tube and the mounting block are different components, the mounting block can be manufactured by using different materials, such as metal materials, or different shapes and configurations, such as a rectangular parallelepiped structure, to suit the liquid storage device. connection.
- the components of the invention are detachably connected by means of plugging, which is convenient for connection and maintenance. Moreover, after one of the components is damaged, it is not necessary to replace the whole machine, and only need to repair or replace the corresponding components, thereby reducing the use and maintenance costs.
- the liquid flow passages on the upper and lower bolts sequentially connect the "T" shaped holes on the upper and lower mounting blocks and the tempered glass tube to form a "U" shaped liquid flow path.
- the liquid position display device of the present invention is mounted to the liquid storage device, the liquid flows from the lower bolt into the "U"-shaped flow path, and a liquid level equal to the liquid in the liquid storage device can be observed on the tempered glass tube.
- the invention adopts a perforated bolt as an integral part of the liquid flow path, which makes the structure simpler, more convenient to manufacture and more convenient to operate.
- the liquid flow path on the bolt includes an axial passage of threaded ends that are sequentially connected, one to a plurality of radial passages, and an annular groove of the outer circumference of the bolt; the other end of the axial passage and the liquid storage device
- the liquid communication is in communication with the annular recesses of the respective mounting blocks.
- the mounting block is a square structure.
- the square structure is both advantageous for manufacturing and convenient for connection to the liquid storage device.
- the lateral through-holes of the mounting block have "O"-shaped sealing ring grooves at both ends, so that the sealing effect is better.
- the connecting end of the mounting block and the tempered glass tube is further provided with a groove for accommodating the sealing material.
- the bolt head is further provided with a gasket.
- the mounting block and the tempered glass tube are sealed by a sealing material.
- the sealing material may be a rubber material, and the structure may be any one of a gasket, an "O" ring or a gasket.
- the mounting block and the tempered glass tube are sealed by a "U" shaped rubber gasket.
- At least one convex ring is also provided in the rubber gasket, which is advantageous for further improving the sealing performance.
- the tempered glass tube is further provided with a tick mark.
- a scale is provided on one or both sides of the tempered glass tube.
- Figure 1 is a schematic view showing the structure of a liquid position display device of the present invention.
- Figure 2 is a perspective view of a liquid position display device of the present invention.
- Figure 3 is a schematic view showing the structure of the mounting block of the present invention.
- Fig. 4 is a bottom view of Fig. 3;
- Figure 5 is a right side view of Figure 3.
- Figure 6 is a left side view of Figure 3.
- Figure 7 is a schematic view showing the structure of the bolt of the present invention.
- Figure 8 is a schematic view showing the structure of a rubber gasket of the present invention.
- Fig. 9 is a view showing a state of use of the liquid position display device of the present invention.
- Figure 10 is a flow diagram of the interior of the apparatus of the present invention.
- Figure 11 is a schematic view showing the structure of another embodiment of the liquid position display device of the present invention.
- a high temperature resistant liquid position display device of the invention includes an upper and a lower mounting block 1 and a tempered glass tube 6, and the two ends of the tempered glass tube 6 are respectively associated with the upper and lower mounting blocks. 1 sealing connection; the upper and lower mounting blocks 1 are connected to the liquid storage device by bolts 4. Both ends of the mounting block 1 are provided with an "O"-shaped sealing ring.
- the tempered glass tube 6 is further provided with a scale mark 8.
- each mounting block 1 is provided with a "T" shaped hole, and the "T" shaped hole includes a longitudinal blind hole 12 communicating with the tempered glass tube 6 and a transverse through hole 11 for the bolt to pass through; Both ends of the through hole 11 are also provided with a seal ring mounting groove 14 for mounting the "O" shaped seal ring.
- the connecting end of the longitudinal blind hole 12 and the tempered glass tube is further provided with a sealing material mounting groove 13.
- the mounting block 1 is a square structure.
- the lateral through hole 11, the longitudinal blind hole 12, the seal ring mounting groove 14, and the groove 13 for accommodating the sealing material are all round holes.
- the bolt 4 is a perforated hexagon bolt.
- the bolt 4 is provided with an axial passage 41, a plurality of radial passages 42 and an annular groove 43 of the outer circumference of the bolt; the axial passage 41 is disposed at the threaded end and is in the liquid storage device The liquid communication is in communication; the annular groove is in communication with the longitudinal blind hole 12 of the respective mounting block.
- the mounting block 1 and the tempered glass tube 6 are sealed by a "U" shaped rubber gasket 5.
- the "U” shaped rubber gasket 5 is disposed in the sealing material mounting groove 13 of the mounting block 1.
- the "U"-shaped rubber gasket 5 has a receiving hole 51 therein for connecting the tempered glass tube 6 at the bottom of the accommodating hole 51 with a liquid guiding medium communicating with the longitudinal blind hole 12 on the mounting block. Hole 52. Further, at least one convex ring 53 is provided on the side wall of the accommodating hole 51 for enhancing the sealing property.
- an "O"-shaped seal ring is placed at both ends of the mounting block 1; after the gasket 3 is placed over the bolt 4, the threaded end thereof is passed through the transverse through hole 11 in the mounting block 1, and the liquid storage
- the screw holes on the outer wall of the device 7 are fitted and screwed.
- the upper and lower mounting blocks are fixed to the liquid storage device 7 in the same manner, and the high temperature resistant liquid position display device of the present invention can be fixed to the outer wall of the liquid storage device 7.
- the axial passage 41 on the lower bolt 4, the radial passage 42, the annular groove 43 on the outer circumference of the bolt, the longitudinal blind hole 12 of the lower mounting block, the tempered glass tube 6, the longitudinal blind hole 12 of the upper mounting block, and the outer circumference of the upper bolt The annular groove 43, the radial passage 42, and the axial passage 41 are sequentially connected to form a "U" shaped liquid flow path 11 (refer to Fig. 10).
- the liquid 10 enters the apparatus from the "U" shaped liquid flow path 11, and the liquid level is clearly observed on the tempered glass tube 6, and a specific value is obtained by the scale mark on the tempered glass tube 6.
- FIG 11 another embodiment of the present invention.
- the difference from the previous embodiment is that a scale 9 is also provided on one side of the tempered glass tube 6. There is no need to set a tick mark on the tempered glass.
- the rest of the structure is the same as in the previous embodiment.
- the tempered glass tube is used as the observation subject. Since the tempered glass tube has the advantages of high strength, high safety and good thermal stability, the invention can be applied to various occasions, including the case where the liquid is low temperature, high temperature, or high temperature and high pressure.
- the upper and lower mounting blocks are respectively connected at both ends of the tempered glass tube, and the whole device is connected to the liquid storage device through the upper and lower mounting blocks. Since the tempered glass tube and the mounting block are different components, the mounting block can be manufactured by using different materials, such as metal materials, or different shapes and configurations, such as a rectangular parallelepiped structure, to suit the liquid storage device. connection.
- liquid position display device of the present invention wherein the liquid flow passages on the upper and lower bolts sequentially connect the "T" shaped holes and the tempered glass tubes on the upper and lower mounting blocks to form a "U” shaped liquid flow path.
- the liquid position display device of the present invention is mounted to the liquid storage device, the liquid flows from the lower bolt into the "U"-shaped flow path, and a liquid level equal to the liquid in the liquid storage device can be observed on the tempered glass tube.
- the invention adopts a perforated bolt as an integral part of the liquid flow path, which makes the structure simpler, more convenient to manufacture and more convenient to operate.
- the components of the present invention are detachably connected by means of plugging, which is convenient for connection and maintenance. Moreover, after one of the components is damaged, it is not necessary to replace the whole machine, and only need to repair or replace the corresponding components, thereby reducing the use and maintenance costs.
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Abstract
本发明公开了一种耐高温可视化液体位置显示装置，包括上、下安装块和钢化玻璃管，其特征在于所述的钢化玻璃管两端分别与所述的上、下安装块密封连接；所述的上、下安装块通过螺栓连接到贮液设备上；每个安装块内设有"T"形孔，所述的"T"形孔包括与所述的钢化玻璃管连通的纵向盲孔和供所述螺栓穿越的横向通孔，所述横向通孔的两端设有"O"形密封圈；所述的螺栓上还开设有连通所述纵向盲孔和贮液设备内液体的液流通道。本发明的液体位置显示装置，采用钢化玻璃管作为观测主体。由于钢化玻璃管具有强度高、安全性高、热稳定性好的优点，使本发明可应用于各种场合，包括液体为低温、高温、或者高温且高压的场合。
Description
本发明涉及工程机械与流体机械技术领域，尤其涉及工程机械换热器的液体位置与液体容积显示的一种可视化装置，具体地说是一种耐高温可视化液体位置显示装置。
在工业应用领域中，许多场合需要使用液体位置显示结构来显示某些设备、管路、容器里的液体位置高低程度。比如矿车、大型装载机、大型液压挖掘机和化工设备冷却系统等。
常规的液位显示装置，其主体为一个长方体的透明件构成，在该透明件上开设导液通道。这种结构的液位显示装置，长方体结构是为了方便与贮液装置连接，由于整体采用长方体结构，而内部的导液通常为圆管结构，使不同位置的厚度不同，带来视觉差异，不利于精确观测。同时，还会造成材料浪费。
此外，常规的透明件材料并不合适一些特殊场合的应用，如液体处在高温状态，或者液体处在既是高温且也是高压状态，因此需要一种可靠性较高的液体位置显示结构来显示液体位置状态。
发明内容
本发明要解决的是现有技术存在的上述技术问题，旨在提供一种耐高温可视化液体位置显示装置。
为解决上述问题，本发明采用以下技术方案：一种耐高温可视化液体位置显示装置，包括上、下安装块和钢化玻璃管，其特征在于所述的钢化玻璃管两端分别与所述的上、下安装块密封连接；所述的上、下安装块通过螺栓连接到贮液设备上；每个安装块内设有“T”形孔，所述的“T”形孔包括与所述的钢化玻璃管连通的纵向盲孔和供所述螺栓穿越的横向通孔，所述横向通孔的两端设有“O”形密封圈；所述的螺栓上还开设有连通所述纵向盲孔和贮液设备内液体的液流通道。
本发明的液体位置显示装置，采用钢化玻璃管作为观测主体。由于钢化玻璃管具有强度高、安全性高、热稳定性好的优点，使本发明可应用于各种场合，包括液体为低温、高温、或者高温且高压的场合。
本发明钢化玻璃管两端分别连接上、下安装块，通过上、下安装块将整体装置连接到贮液设备上。由于钢化玻璃管与所述的安装块为不同的部件，因此安装块可以采用不同的 材料进行制造，如金属材料，也可以采用不同的形状和构造，如长方体结构，以适合与贮液装置的连接。
本发明各部件之间采用插接方式可脱卸连接，方便连接和维护。并且，在其中一个部件损坏后，无须更换整机，只需维修或更换相应部件即可，降低了使用和维护成本。
本发明的液体位置显示装置，上、下螺栓上的液流通道依次连通上、下安装块上的“T”形孔和钢化玻璃管导通形成“U”形液体流道。当本发明的液体位置显示装置安装到贮液设备上后，液体从下部螺栓流入该“U”形流道内，在钢化玻璃管上可观察到与贮液装置内液体等高的液面。本发明采用穿孔螺栓作为液体流道的一个组成部分，使结构更为简单，制造更为方便，操作更为便捷。
根据本发明，所述螺栓上的液流通道包括依次连通的螺纹端的轴向通道、一到多个径向通道和螺栓外周的环形凹槽；所述轴向通道的另一端与贮液设备内的液体连通，所述的环形凹槽与相应安装块的纵向盲孔连通。
根据本发明，所述的安装块为方体结构。方体结构既有利于制造，也方便与所述的贮液设备进行连接。
根据本发明，所述安装块的横向通孔两端具有“O”形密封圈槽，使密封效果更好。
根据本发明，所述安装块上与所述钢化玻璃管的连接端还开设有容置密封材料的凹槽。
根据本发明，所述的所述螺栓头部还设有垫片。
根据本发明，所述的安装块与钢化玻璃管之间通过密封材料进行密封。所述的密封材料可以是橡胶材料，其结构可以是垫片、“O”形密封圈或垫圈其中的任何一种。优选地，所述的安装块与钢化玻璃管之间通过“U”形橡胶垫圈密封。
根据本发明，所述的橡胶垫圈内还设有至少一个凸环，有利于进一步提高密封性能。
根据本发明，所述的钢化玻璃管上还设有刻度标记。或者，所述钢化玻璃管的一侧或两侧设有刻度尺。
图1是本发明液体位置显示装置的结构示意图。
图2是本发明液体位置显示装置的立体图。
图3是本发明的安装块的结构示意图。
图4是图3的仰视图。
图5是图3的右视图。
图6是图3的左视图。
图7是本发明螺栓的结构示意图。
图8是本发明橡胶垫圈的结构示意图。
图9是本发明液体位置显示装置的使用状态图。
图10是本发明装置内部的液体流道图。
图11是本发明液体位置显示装置的另一实施方式的结构示意图。
图中，1-安装块，2-“O”形密封圈，3-垫片，4-螺栓，5-橡胶垫圈，6-钢化玻璃管，7-贮液设备，8-刻度标记，9-刻度尺，10-液体，11-流道；
11-横向通孔，12-纵向盲孔，13-密封材料安装槽，14-密封圈安装槽；
41-轴向通道，42-径向通道，43-环形凹槽；
51-钢化玻璃管容置孔，52-导液孔，53-凸环。
参照图1和图，发明的一种耐高温可视化液体位置显示装置，包括上、下安装块1和钢化玻璃管6，所述的钢化玻璃管6两端分别与所述的上、下安装块1密封连接；所述的上、下安装块1通过螺栓4连接到贮液设备上。所述安装块1的两端设有“O”形密封圈。所述的钢化玻璃管6上还设有刻度标记8。
结合图3-图6，所述的上、下安装块1结构对称。每个安装块1内设有“T”形孔，所述的“T”形孔包括与所述的钢化玻璃管6连通的纵向盲孔12和供所述螺栓穿越的横向通孔11；横向通孔11的两个端部还设有密封圈安装槽14，用于安装所述的“O”形密封圈。纵向盲孔12与所述钢化玻璃管的连接端还设有密封材料安装槽13。
在本实施方式中，所述的安装块1为方体结构。所述的横向通孔11、纵向盲孔12、密封圈安装槽14、容置密封材料的凹槽13均为圆孔。
结合图7，所述的螺栓4为带孔六角螺栓。所述螺栓4上开设有依次连通的轴向通道41、一到多个径向通道42和螺栓外周的环形凹槽43；所述轴向通道41设置在螺纹端，且与贮液设备内的液体连通；所述的环形凹槽与相应安装块的纵向盲孔12连通。
结合图8，所述的安装块1与钢化玻璃管6之间通过“U”形橡胶垫圈5密封。所述的“U”形橡胶垫圈5设置在安装块1的密封材料安装槽13内。所述的“U”形橡胶垫圈5内具有一个容置孔51，用于连接钢化玻璃管6在所述的容置孔51底部具有一个连通所述安装块上的纵向盲孔12的导液孔52。在容置孔51的侧壁上还设有至少一个凸环53，用于增 强密封性。
参照图9，在安装块1的两端放入“O”形密封圈；在螺栓4上套上垫片3后，将其螺纹端穿过安装块1上的横向通孔11，与贮液设备7的外壁上的螺孔配合并旋紧。上、下安装块以相同的方式与贮液设备7固定，就可将本发明的耐高温可视化液体位置显示装置固定在贮液设备7的外壁。
下螺栓4上的轴向通道41、径向通道42、螺栓外周的环形凹槽43、下安装块的纵向盲孔12、钢化玻璃管6、上安装块的纵向盲孔12、上螺栓外周的环形凹槽43、径向通道42、轴向通道41依次连通形成“U”形液体流道11(参照图10)。
液体10从“U”形液体流道11进入本装置，在钢化玻璃管6上可清楚观察液面高度，并通过钢化玻璃管6上的刻度标记获得具体数值。
参照图11，本发明的另一种实施方式。与前面的实施方式不同之处在于：所述钢化玻璃管6的一侧还设有刻度尺9。在钢化玻璃上就不需要设置刻度标记了。其余结构与前面的实施方式相同。
本发明的一种耐高温可视化液体位置显示装置，具有以下有益效果：
1、采用钢化玻璃管作为观测主体。由于钢化玻璃管具有强度高、安全性高、热稳定性好的优点，使本发明可应用于各种场合，包括液体为低温、高温、或者高温且高压的场合。
2、钢化玻璃管两端分别连接上、下安装块，通过上、下安装块将整体装置连接到贮液设备上。由于钢化玻璃管与所述的安装块为不同的部件，因此安装块可以采用不同的材料进行制造，如金属材料，也可以采用不同的形状和构造，如长方体结构，以适合与贮液装置的连接。
3、本发明的液体位置显示装置，上、下螺栓上的液流通道依次连通上、下安装块上的“T”形孔和钢化玻璃管导通形成“U”形液体流道。当本发明的液体位置显示装置安装到贮液设备上后，液体从下部螺栓流入该“U”形流道内，在钢化玻璃管上可观察到与贮液装置内液体等高的液面。
4、本发明采用穿孔螺栓作为液体流道的一个组成部分，使结构更为简单，制造更为方便，操作更为便捷。
5、本发明各部件之间采用插接方式可脱卸连接，方便连接和维护。并且，在其中一个部件损坏后，无须更换整机，只需维修或更换相应部件即可，降低了使用和维护成本。
应该理解到的是：上述实施例只是对本发明的说明，而不是对本发明的限制，任何不超出本发明实质精神范围内的创造，均落入本发明的保护范围之内。
Claims (10)
- 一种耐高温可视化液体位置显示装置，包括上、下安装块和钢化玻璃管，其特征在于所述的钢化玻璃管两端分别与所述的上、下安装块密封连接；所述的上、下安装块通过螺栓连接到贮液设备上；每个安装块内设有“T”形孔，所述的“T”形孔包括与所述的钢化玻璃管连通的纵向盲孔和供所述螺栓穿越的横向通孔，所述横向通孔的两端设有“O”形密封圈；所述的螺栓上还开设有连通所述纵向盲孔和贮液设备内液体的液流通道。
- 如权利要求1所述的一种耐高温可视化液体位置显示装置，其特征在于所述螺栓上的液流通道包括依次连通的螺纹端的轴向通道、一到多个径向通道和螺栓外周的环形凹槽；所述轴向通道的另一端与贮液设备内的液体连通，所述的环形凹槽与相应安装块的纵向盲孔连通。
- 如权利要求2所述的一种耐高温可视化液体位置显示装置，其特征在于所述的安装块为方体结构。
- 如权利要求3所述的一种耐高温可视化液体位置显示装置，其特征在于所述安装块的横向通孔两端具有“O”形密封圈槽。
- 如权利要求1所述的一种耐高温可视化液体位置显示装置，其特征在于所述安装块上与所述钢化玻璃管的连接端还开设有容置密封材料的凹槽。
- 如权利要求1所述的一种耐高温可视化液体位置显示装置，其特征在于所述的所述螺栓头部还设有垫片。
- 如权利要求1所述的一种耐高温可视化液体位置显示装置，其特征在于所述的安装块与钢化玻璃管之间通过“U”形橡胶垫圈密封。
- 如权利要求1-7任何一项所述的一种耐高温可视化液体位置显示装置，其特征在于所述的橡胶垫圈内还设有至少一个凸环。
- 如权利要求1所述的一种耐高温可视化液体位置显示装置，其特征在于所述的钢化玻璃管上还设有刻度标记。
- 如权利要求1所述的一种耐高温可视化液体位置显示装置，其特征在于所述钢化玻璃管的一侧或两侧还设有刻度尺。
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| CN2525485Y (zh) * | 2002-03-04 | 2002-12-11 | 张庆昌 | 一种工程机械液位计 |
| CN202562556U (zh) * | 2012-05-07 | 2012-11-28 | 范立成 | 新型液位计 |
| US20160377472A1 (en) * | 2015-06-29 | 2016-12-29 | Oil-Rite Corporation | Fluid level verification apparatus |
| CN206627183U (zh) * | 2017-04-06 | 2017-11-10 | 铜山华润电力有限公司 | 一种水位测量装置 |
| CN108645475A (zh) * | 2018-04-17 | 2018-10-12 | 浙江银轮机械股份有限公司 | 一种耐高温可视化液体位置显示装置 |
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| DE102007047174A1 (de) * | 2007-10-02 | 2009-04-16 | Hydac Accessories Gmbh | Vorrichtung zum Anzeigen und/oder Kontrollieren von in einem Behälter befindlichen Fluiden |
| CN201392225Y (zh) * | 2008-11-20 | 2010-01-27 | 张庆昌 | 一种液位计 |
| CN201804664U (zh) * | 2010-07-12 | 2011-04-20 | 杜正旺 | 一种变压器油枕 |
| CN102410861A (zh) * | 2011-08-01 | 2012-04-11 | 三一重型装备有限公司 | 一种液位显示装置、应用其的容器及工程机械 |
| CN204286536U (zh) * | 2014-12-30 | 2015-04-22 | 李拥军 | 机车冷却塔用液位显示器 |
| CN206695864U (zh) * | 2017-04-07 | 2017-12-01 | 中船绿洲镇江船舶辅机有限公司 | 一种新型自闭式液位计 |
| CN208383233U (zh) * | 2018-04-17 | 2019-01-15 | 浙江银轮机械股份有限公司 | 一种耐高温可视化液体位置显示装置 |
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| CN2525485Y (zh) * | 2002-03-04 | 2002-12-11 | 张庆昌 | 一种工程机械液位计 |
| CN202562556U (zh) * | 2012-05-07 | 2012-11-28 | 范立成 | 新型液位计 |
| US20160377472A1 (en) * | 2015-06-29 | 2016-12-29 | Oil-Rite Corporation | Fluid level verification apparatus |
| CN206627183U (zh) * | 2017-04-06 | 2017-11-10 | 铜山华润电力有限公司 | 一种水位测量装置 |
| CN108645475A (zh) * | 2018-04-17 | 2018-10-12 | 浙江银轮机械股份有限公司 | 一种耐高温可视化液体位置显示装置 |
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