CN216954719U - Water level detection device and climate environment test system - Google Patents

Water level detection device and climate environment test system Download PDF

Info

Publication number
CN216954719U
CN216954719U CN202220700155.6U CN202220700155U CN216954719U CN 216954719 U CN216954719 U CN 216954719U CN 202220700155 U CN202220700155 U CN 202220700155U CN 216954719 U CN216954719 U CN 216954719U
Authority
CN
China
Prior art keywords
detection
liquid level
cavity
water
detecting
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
Application number
CN202220700155.6U
Other languages
Chinese (zh)
Inventor
胡杰锋
周启杜
郑昆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Wusuo Environmental Equipment Co ltd
Original Assignee
Guangzhou Wusuo Environmental Equipment Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Wusuo Environmental Equipment Co ltd filed Critical Guangzhou Wusuo Environmental Equipment Co ltd
Priority to CN202220700155.6U priority Critical patent/CN216954719U/en
Application granted granted Critical
Publication of CN216954719U publication Critical patent/CN216954719U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Air Humidification (AREA)

Abstract

The utility model discloses a water level detection device and a climate environment test system. The climate environment test system comprises a water level detection device. The water level detection device comprises a detection cylinder, a first connecting pipe, a second connecting pipe and a liquid level detection assembly, wherein the detection cylinder is provided with a detection cavity, one end of the first connecting pipe is communicated with the detection cavity, and the other end of the first connecting pipe is communicated with a test cavity of the climate environment test box, so that the air pressure in the detection cavity is equal to the air pressure in the test cavity of the climate environment test box; one end of the second connecting pipe is communicated with the detection cavity, and the other end of the second connecting pipe is communicated with the water storage cavity of the humidifying basin of the climate environment test box, so that the liquid level of the detection cavity is equal to that of the water storage cavity of the humidifying basin of the climate environment test box; the liquid level height in the detection cavity is measured through the liquid level detection assembly, and the liquid level height of the water storage cavity of the humidifying basin of the climatic environment test box can be obtained; the detection cylinder is arranged outside the climatic environment test chamber, and has the advantage of convenient maintenance.

Description

Water level detection device and climate environment test system
Technical Field
The utility model relates to the technical field of water level detection, in particular to a water level detection device and a climate environment test system.
Background
When the climate environment test box is used for carrying out a damp-heat test in a low-pressure environment, the water level of a humidifying basin in the test box needs to be monitored in real time so as to ensure that the humidity in the test box is within a preset range. One end of the traditional water level detection device is communicated with the humidifying basin in the test box, and the other end of the traditional water level detection device is connected with the atmosphere; meanwhile, the traditional water level detection device is easy to damage due to air pressure difference at two ends, the failure rate is high, the water level detection device is generally arranged inside the climate environment test box, the climate environment test box needs to be detached when the water level detection device is overhauled, and the problem of trouble in overhauling exists.
SUMMERY OF THE UTILITY MODEL
Based on this, it is necessary to provide a water level detection device and a climate environment test system, which aim to solve the problems that the conventional water level detection device cannot accurately display the water level height of the humidifying basin in the test chamber in a low pressure environment and the maintenance is troublesome.
The application provides a water level detection device, includes:
the device comprises a detection cylinder, a detection device and a control device, wherein the detection cylinder is arranged outside a climate environment test box and is provided with a detection cavity, and the detection cylinder is also provided with a water inlet and an air pressure balance port which are communicated with the detection cavity;
one end of the first connecting pipe is communicated with the air pressure balancing port, and the other end of the first connecting pipe is used for being communicated with a test cavity of the climate environment test box;
one end of the second connecting pipe is communicated with the water inlet, and the other end of the second connecting pipe is communicated with a water storage cavity of a humidifying basin of the climate environment test box; and
and the liquid level detection assembly is used for detecting the liquid level height in the detection cavity.
When the water level detection device is used, one end of the first connecting pipe is communicated with the detection cavity through the air pressure balancing port, the other end of the first connecting pipe is used for being communicated with the test cavity of the climate environment test box, the air pressure in the detection cavity can be ensured to be equal to the air pressure in the test cavity of the climate environment test box, on the basis, one end of the second connecting pipe is communicated with the detection cavity through the water inlet, the other end of the second connecting pipe is used for being communicated with the water storage cavity of the humidifying basin of the climate environment test box, the liquid level of the detection cavity can be ensured to be equal to the liquid level of the water storage cavity of the humidifying basin of the climate environment test box, and therefore, the liquid level height in the detection cavity can be accurately detected through the liquid level detection assembly;
the detection cylinder sets up in the outside of climate environment test box, then connect the climate environment test box through first connecting pipe and second connecting pipe and detect the liquid level height in the humidification basin of climate environment test box, the detection cylinder of this application need not to set up in the climate environment test box promptly, so, when water level detection device breaks down, can overhaul water level detection device in the outside of climate environment test box, and need not to dismantle the climate environment test box, easy maintenance's advantage has.
The technical solution of the present application is further described below:
in one embodiment, the detection cylinder is further provided with a mounting port communicated with the detection cavity, and the detection end of the liquid level detection assembly extends into the detection cavity through the mounting port.
In one embodiment, the liquid level detection assembly comprises a mounting piece and a liquid level detection element, the mounting piece is covered on the mounting opening and connected to one end of the detection barrel, which is provided with the mounting opening, and the detection end of the liquid level detection element penetrates through the mounting piece and extends into the detection cavity through the mounting opening.
In one embodiment, the liquid level detection assembly further comprises a signal emitting element, the signal emitting element is in communication connection with the liquid level detection element, and the signal emitting element is used for sending a detection result of the liquid level detection element to the outside.
In one embodiment, the liquid level detection element is a float level gauge.
In one embodiment, the water level detecting device further comprises a sealing member, and the sealing member is arranged between the mounting member and the detecting cylinder in a sealing manner.
In one embodiment, one end of the detection cylinder, which is provided with the mounting opening, is provided with a sealing groove, the sealing groove is arranged around the mounting opening, and the sealing element is mounted in the sealing groove to seal an air gap between the mounting element and the detection cylinder.
In one embodiment, the first connection tube is a vacuum hose; and/or the second connecting pipe is a vacuum hose.
On the other hand, this application still provides a climate environment test system, including the water level detection device of any preceding embodiment, still include climate environment test box, climate environment test box is equipped with the test chamber, climate environment test box includes the humidification basin, the humidification basin set up in the test chamber, the humidification basin is equipped with the water storage chamber, the one end of first connecting pipe with the test chamber intercommunication, the one end of second connecting pipe with the water storage chamber intercommunication.
The technical solution of the present application is further described below:
in one embodiment, the climate environment test system further comprises a water suction pump, a water outlet of the water suction pump is communicated with the water storage cavity, and a water inlet of the water suction pump is used for being communicated with a water source.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a water level detecting device at a low water level according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a water level detection apparatus according to an embodiment of the present invention when the water level is high.
Description of reference numerals:
10. a water level detection device; 100. a detection cylinder; 110. a detection chamber; 120. an air pressure balancing port; 130. a water inlet; 140. an installation port; 150. a sealing groove; 200. a first connecting pipe; 300. a second connecting pipe; 400. a liquid level detection assembly; 410. a mounting member; 420. a liquid level detection element; 500. a seal member; 20. a low waterline; 30. high water line.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In one embodiment, the climate environment testing system includes a water level detecting device 10 and a climate environment testing chamber (not shown), the climate environment testing chamber is provided with a testing chamber (not shown), the climate environment testing chamber includes a humidifying basin (not shown), the humidifying basin is disposed in the testing chamber, the humidifying basin is provided with a water storage chamber (not shown), wherein the water level detecting device 10 is used for detecting a liquid level in the water storage chamber.
In the climatic environment test system, according to the needs of different test operating modes, a certain amount of liquid needs to be stored in the water storage cavity to ensure that the humidity in the test cavity is within the preset range, the liquid level height in the water storage cavity is detected by the water level detection device 10, and an operator can master the time for adding water into the water storage cavity by the aid of the liquid level detection device to ensure that the liquid amount in the water storage cavity is kept within the preset range.
Specifically, referring to fig. 1 and 2, a water level detecting device 10 of an embodiment includes a detecting cylinder 100, a first connecting pipe 200, a second connecting pipe 300, and a liquid level detecting assembly 400, wherein the detecting cylinder 100 is configured to be disposed outside a climate environment test chamber, the detecting cylinder 100 is provided with a detecting cavity 110, and the detecting cylinder 100 is further provided with a water inlet 130 and an air pressure balancing port 120, which are communicated with the detecting cavity 110; one end of the first connecting pipe 200 is communicated with the air pressure balancing port 120, and the other end of the first connecting pipe 200 is used for being communicated with a test cavity of the climate environment test box; one end of the second connecting pipe 300 is communicated with the water inlet 130, and the other end of the second connecting pipe 300 is used for being communicated with a water storage cavity of a humidifying basin of the climate environment test chamber; the liquid level detection assembly 400 is used to detect the height of the liquid level in the detection chamber 110.
When the water level detection device 10 is used, one end of the first connecting pipe 200 is communicated with the detection cavity 110 through the air pressure balancing port 120, the other end of the first connecting pipe 200 is used for being communicated with the test cavity of the climate environment test box, so that the air pressure in the detection cavity 110 can be ensured to be equal to the air pressure in the test cavity of the climate environment test box, on the basis, one end of the second connecting pipe 300 is communicated with the detection cavity 110 through the water inlet 130, the other end of the second connecting pipe 300 is used for being communicated with the water storage cavity of the humidifying basin of the climate environment test box, the liquid level of the detection cavity 110 can be ensured to be equal to the liquid level of the water storage cavity of the humidifying basin of the climate environment test box, and therefore, the liquid level height in the detection cavity 110 is detected through the liquid level detection assembly 400, and the liquid level height in the water storage cavity of the humidifying basin of the climate environment test box can be accurately detected;
detect a section of thick bamboo 100 and set up in the outside of climate environmental test case, then connect the liquid level height in the water storage cavity of the humidification basin that climate environmental test case detected climate environmental test case through first connecting pipe 200 and second connecting pipe 300, the detection section of thick bamboo 100 of this application need not to set up in the climate environmental test case promptly, so, when water level detection device 10 breaks down, can overhaul water level detection device 10 in the outside of climate environmental test case, and need not to dismantle the climate environmental test case, and has easy maintenance's advantage.
Alternatively, the detection cylinder 100 is a vacuum cylinder that can withstand the difference in air pressure inside and outside the cylinder without damage.
In some embodiments, the first connection tube 200 is a vacuum hose. The vacuum hose can communicate the interior of the climate environment test chamber with the interior of the detection cylinder 100 while maintaining a certain shape and hardness, so that the pipe body can maintain a low pressure or vacuum state inside the pipe against a difference in air pressure inside and outside the pipe.
In some embodiments, the second connection pipe 300 is a vacuum hose. The vacuum hose can communicate the interior of the climate environment test chamber with the interior of the detection cylinder 100 while maintaining a certain shape and hardness, so that the pipe body can maintain a low pressure or vacuum state inside the pipe against a difference in air pressure inside and outside the pipe.
Optionally, the first connection tube 200 is a vacuum metal hose. Optionally, the first connection tube 200 is a vacuum connection bellows. Preferably, the first connection tube 200 is a stainless steel vacuum connection bellows.
Alternatively, the second connection pipe 300 is a vacuum metal hose. Alternatively, the second connection pipe 300 is a vacuum connection bellows. Preferably, the second connection pipe 300 is a stainless steel vacuum connection bellows.
In some embodiments, the climate environment testing system further comprises a water pump (not shown), an outlet of the water pump is communicated with the water storage cavity, and an inlet of the water pump is used for communicating with a water source. The water pump is used for adding water to the water storage cavity. Referring to fig. 1, when the liquid amount in the water storage cavity is lower than the preset range, the liquid level in the detection cavity 110 is lower than the low water level line 20, the liquid level detection assembly 400 detects and obtains the liquid level condition in the detection cavity 110, and according to the detection result of the liquid level detection assembly 400, an operator starts a water pump to add water into the water storage cavity, or the water pump obtains the detection result of the liquid level detection assembly 400 through an information receiving device provided by the water pump, so that water is automatically added into the water storage cavity;
referring to fig. 2, when the liquid amount in the water storage cavity reaches a preset range, the liquid level in the detection cavity 110 is at the high water level 30, the liquid level detection assembly 400 detects and obtains the liquid level condition in the detection cavity 110, and an operator turns off the water pump to stop adding water into the water storage cavity according to the detection result of the liquid level detection assembly 400, or the water pump obtains the detection result of the liquid level detection assembly 400 through an information receiving device provided by the water pump, so as to automatically stop adding water into the water storage cavity.
In some embodiments, referring to fig. 1, the detecting cylinder 100 further has a mounting port 140 communicating with the detecting chamber 110, and the detecting end of the liquid level detecting assembly 400 extends into the detecting chamber 110 through the mounting port 140. Through the mounting opening 140 formed in the detection barrel 100, the detection end of the liquid level detection assembly 400 can extend into the detection chamber 110 to detect the liquid level in the detection chamber 110.
In some embodiments, referring to fig. 1, the liquid level detecting assembly 400 includes a mounting member 410 and a liquid level detecting element 420, the mounting member 410 is disposed on the mounting opening 140 and connected to one end of the detecting cylinder 100 having the mounting opening 140, and a detecting end of the liquid level detecting element 420 penetrates through the mounting member 410 and extends into the detecting cavity 110 through the mounting opening 140. In this way, the mounting member 410 is covered on the mounting port 140, and the mounting member 410 is connected to the end of the detection cylinder 100 provided with the mounting port 140, so as to ensure the tightness of the detection chamber 110; the detection end of the liquid level detection element 420 penetrates through the installation part 410 and extends into the detection cavity 110 through the installation opening 140 to detect the liquid level height in the detection cavity 110, so that the liquid level detection element 420 can detect the liquid level height in the detection cavity 110 while ensuring the tightness of the detection cavity 110.
Optionally, the mounting member 410 is a connection flange. Alternatively, the connecting flange is connected to the end of the detecting cylinder 100 provided with the mounting opening 140 by screws, bolts or other connecting parts.
Alternatively, the liquid level detection element 420 may be a float-type liquid level sensor, a static pressure-type liquid level sensor, a float-type liquid level meter, or other liquid level sensor.
Preferably, referring to fig. 1, the liquid level detecting element 420 is a floating ball type liquid level meter. The floating ball type liquid level meter has the characteristics of simple structure, high precision, small volume and the like, and is suitable for liquid level measurement in low-pressure, high-pressure or high-temperature environments and the like. When the liquid level of the detection cavity 110 changes, the floating ball of the floating ball type liquid level meter moves up and down along with the liquid level, the resistance value in the sensor of the floating ball type liquid level meter and the liquid level height change linearly, and the liquid level height change of the detection cavity 110 can be obtained through conversion according to the resistance value in the sensor of the floating ball type liquid level meter.
In some embodiments, referring to fig. 1, the liquid level detecting assembly 400 further includes a signal emitting element (not shown) communicatively connected to the liquid level detecting element 420, and the signal emitting element is configured to transmit a detection result of the liquid level detecting element 420 to the outside. The detection result of the liquid level detection element 420 is sent by the signal transmitting element, and an operator can know the detection result of the liquid level detection element 420, so that the liquid level of the humidifying basin of the climate environment test box is adjusted. In addition, the external water pump can automatically acquire the data of the signal transmitting element through the information receiving device carried by the external water pump, and according to the detection result of the liquid level detection assembly 400, the water pump can automatically add water into the humidifying basin of the climate environment test chamber or stop adding water into the humidifying basin of the climate environment test chamber, so that the liquid amount of the humidifying basin of the climate environment test chamber is automatically maintained within a preset range, and the workload of operators is reduced.
Optionally, the signal emitting element may be a single chip or a microelectronic element having a signal emitting function, and may also be a signal generator.
In some embodiments, referring to fig. 1, the water level detecting device 10 further includes a sealing member 500, and the sealing member 500 is sealingly disposed between the mounting member 410 and the detecting cylinder 100. The sealing member 500 is used to seal an air gap between the mounting member 410 and the testing cartridge 100, and further ensure the tightness of the testing chamber 110.
Optionally, the seal 500 is an O-ring seal.
Optionally, the seal 500 is a vacuum seal. Preferably, the sealing member 500 is a vacuum O-ring or a vacuum metal sealing ring.
In some embodiments, referring to fig. 1, the end of the testing cartridge 100 having the mounting opening 140 is provided with a sealing groove 150, the sealing groove 150 is disposed around the mounting opening 140, and a sealing member 500 is installed in the sealing groove 150 to seal an air gap between the mounting member 410 and the testing cartridge 100. By providing the seal groove 150 along the circumferential direction of the mounting opening 140 and mounting the seal 500 in the seal groove 150, the sealing property between the mounting member 410 and the detection cylinder 100 can be further enhanced, and the sealing property of the detection chamber 110 can be sufficiently ensured.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The above examples only show some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A water level detection apparatus, comprising:
the device comprises a detection cylinder, a detection device and a control device, wherein the detection cylinder is arranged outside a climate environment test box and is provided with a detection cavity, and the detection cylinder is also provided with a water inlet and an air pressure balance port which are communicated with the detection cavity;
one end of the first connecting pipe is communicated with the air pressure balancing port, and the other end of the first connecting pipe is used for being communicated with a test cavity of the climate environment test box;
one end of the second connecting pipe is communicated with the water inlet, and the other end of the second connecting pipe is communicated with a water storage cavity of a humidifying basin of the climate environment test box; and
and the liquid level detection assembly is used for detecting the liquid level height in the detection cavity.
2. The water level detecting device according to claim 1, wherein the detecting cylinder further has a mounting opening communicating with the detecting chamber, and the detecting end of the liquid level detecting assembly extends into the detecting chamber through the mounting opening.
3. The water level detecting device according to claim 2, wherein the liquid level detecting assembly includes a mounting member and a liquid level detecting element, the mounting member is covered on the mounting opening and connected to one end of the detecting cylinder, which is provided with the mounting opening, and a detecting end of the liquid level detecting element penetrates through the mounting member and extends into the detecting cavity through the mounting opening.
4. The water level detecting device according to claim 3, wherein the liquid level detecting assembly further comprises a signal emitting element, the signal emitting element is in communication connection with the liquid level detecting element, and the signal emitting element is used for sending a detection result of the liquid level detecting element to the outside.
5. The water level detecting apparatus according to claim 3, wherein the liquid level detecting element is a float-type level gauge.
6. The water level detecting device of claim 3, further comprising a sealing member sealingly disposed between the mounting member and the detection barrel.
7. The water level detecting device according to claim 6, wherein an end of the detecting cylinder where the mounting opening is provided with a sealing groove, the sealing groove is provided around the mounting opening, and the sealing member is mounted in the sealing groove to seal an air gap between the mounting member and the detecting cylinder.
8. The water level detecting device according to any one of claims 1 to 7, wherein the first connection pipe is a vacuum hose; and/or the second connecting pipe is a vacuum hose.
9. A climatic environment testing system, which is characterized by comprising the water level detecting device as claimed in any one of claims 1 to 8 and further comprising the climatic environment testing box, wherein the climatic environment testing box is provided with a testing cavity, the climatic environment testing box comprises a humidifying basin, the humidifying basin is arranged in the testing cavity, the humidifying basin is provided with a water storage cavity, one end of the first connecting pipe is communicated with the testing cavity, and one end of the second connecting pipe is communicated with the water storage cavity.
10. The climatic environment testing system according to claim 9, further comprising a water suction pump, a water outlet of the water suction pump being in communication with the water storage chamber, and a water inlet of the water suction pump being for communication with a water source.
CN202220700155.6U 2022-03-28 2022-03-28 Water level detection device and climate environment test system Active CN216954719U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220700155.6U CN216954719U (en) 2022-03-28 2022-03-28 Water level detection device and climate environment test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220700155.6U CN216954719U (en) 2022-03-28 2022-03-28 Water level detection device and climate environment test system

Publications (1)

Publication Number Publication Date
CN216954719U true CN216954719U (en) 2022-07-12

Family

ID=82299634

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220700155.6U Active CN216954719U (en) 2022-03-28 2022-03-28 Water level detection device and climate environment test system

Country Status (1)

Country Link
CN (1) CN216954719U (en)

Similar Documents

Publication Publication Date Title
CN216954719U (en) Water level detection device and climate environment test system
CN108469287A (en) Double pressure-sensitive correction type oil level gauge for transformer
CN105021253A (en) Bubble type liquid level remote-measuring system
CN210198368U (en) Hydraulic static leveling device
CN106969746B (en) Static level gauge based on monocrystalline silicon differential pressure sensor
CN214373188U (en) Gas pressure and flow testing device
CN210242927U (en) Hall switch type magnetic remote transmitter
CN212158908U (en) Fluid pressure measuring device and liquid level measuring instrument
CN114199207A (en) Ocean dual-temperature conductivity profile measuring instrument
US20220112698A1 (en) A testing device for backflow prevention devices
CN202101805U (en) Straight-through type fluid pressure gauge
CN101871803A (en) Integrated differential-pressure-type flow meter and application method thereof
CN100580315C (en) Connected vessels type steam pocket water level sampling and measuring device and method for deciding its geometric size
CN212807431U (en) Plane front end sealing pressure transmitter
CN219349403U (en) Boiler water level control device
CN219608904U (en) Water quality monitor calibration device
CN216361282U (en) Safety valve monitoring device and steam system
CN212903709U (en) Intelligent pressure transmitter
CN220398615U (en) Fluid sample detects metering device
CN210893282U (en) Industrial steam is measured with preventing scalding flowmeter
CN220437689U (en) Sealing performance detection device for sealing ring
CN211401368U (en) Anti-icing structure gasket of bottom flange of low-temperature liquid level meter
CN213022108U (en) Acid and alkali resistant pressure transmitter
CN220729415U (en) Differential pressure type magnetic levitation type liquid level meter
CN218381150U (en) Gas meter

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant