CN220187750U

CN220187750U - Urea sensor calibration table

Info

Publication number: CN220187750U
Application number: CN202321598416.9U
Authority: CN
Inventors: 方燕; 周翔; 刘天华
Original assignee: Hubei Tsung Technology Co ltd
Current assignee: Hubei Tsung Technology Co ltd
Priority date: 2023-06-21
Filing date: 2023-06-21
Publication date: 2023-12-15
Anticipated expiration: 2033-06-21

Abstract

The utility model relates to a urea sensor calibration table, which comprises a calibration table body, wherein a control panel is fixedly arranged at the top of the calibration table body, a containing mechanism is arranged at the top of the calibration table body, a fixing mechanism is arranged at the top of the containing mechanism, the fixing mechanism comprises a positioning ring, a urea liquid level sensor, an adjusting screw sleeve, a hand screwing bolt, a clamping plate and a second sealing gasket, the positioning ring is fixedly arranged at the top of the containing mechanism, the urea liquid level sensor is detachably arranged in the positioning ring, an adjusting screw sleeve is fixedly arranged on the front surface and the back surface of the positioning ring, a hand screwing bolt with one end penetrating through and extending into the positioning ring is arranged in an internal thread of the adjusting screw sleeve, a clamping plate is rotatably arranged on one side opposite to the hand screwing bolt, and the second sealing gasket is fixedly arranged on one side opposite to the clamping plate. This urea sensor calibration platform, through fixed establishment and hold the setting of mechanism, make the urea level sensor of different models be convenient for fix to promote detection efficiency, promote and detect application scope.

Description

Urea sensor calibration table

Technical Field

The utility model relates to the technical field of sensor testing, in particular to a urea sensor calibration table.

Background

The urea liquid level temperature sensor is used for detecting the urea liquid level and the temperature, the urea liquid level is displayed on the instrument in a percentage form and used for prompting a driver of the residual amount of the urea solution, and when the urea box is empty, the torque is immediately limited until the urea solution can be relieved after the urea solution is refilled; the temperature signal is used as a control input for thawing and heating the urea box; the urea sensor calibration table, namely equipment for testing the urea liquid level temperature sensor, can effectively detect the performance of the urea liquid level temperature sensor and detect whether the urea liquid level temperature sensor detects numerical accuracy in solutions with different heights.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, most of the existing urea sensors can only fix urea sensors of specific types in the test process, and the existing urea sensors usually need to be fixed by matching tools in the fixing process, so that the test of urea sensors of different types is limited, the bearing container needs to be replaced for detection, the disassembly and assembly are not convenient enough, the detection efficiency is reduced, and further improvement is needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the urea sensor calibration table which has the advantages of convenient adjustment and installation and the like, and solves the problem that the existing calibration table has limitation on the installation of different types of urea sensors.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the urea sensor calibration table comprises a calibration table body, wherein a control panel is fixedly arranged at the top of the calibration table body, an extraction mechanism is arranged at the top of the calibration table body, a containing mechanism is arranged at the top of the calibration table body, a fixing mechanism is arranged at the top of the containing mechanism, and a cleaning mechanism is arranged at the top of the calibration table body;

the fixing mechanism comprises a positioning ring, a urea liquid level sensor, an adjusting screw sleeve, a hand screwing bolt, a clamping plate and a second sealing gasket, wherein the positioning ring is fixedly arranged at the top of the accommodating mechanism, the urea liquid level sensor is detachably arranged in the positioning ring, the adjusting screw sleeve is fixedly arranged on the front surface and the back surface of the positioning ring, one end of the internal screw thread of the adjusting screw sleeve is provided with the hand screwing bolt which penetrates through and extends to the inside of the positioning ring, the clamping plate is rotatably arranged on one opposite side of the hand screwing bolt, and the second sealing gasket is fixedly arranged on one opposite side of the clamping plate.

Further, hold the mechanism and including holding case, perforation, first sealed pad and exhaust pipe, the top left side fixed mounting of demarcation platform body holds the case, the perforation that is located the holding ring inside has been seted up at the top of holding the case, the equal fixed mounting in both sides of the fenestrate inner wall has first sealed pad, the front below intercommunication of holding the case has the exhaust pipe.

Further, the cleaning mechanism comprises a cleaning box and a heating rod, the cleaning box is fixedly installed on the right side of the top of the calibration table body, and the heating rod is fixedly installed on the right side of the inner wall of the cleaning box.

Further, the extraction mechanism comprises a water pump, a connecting pipe and a conveying pipe, the water pump is fixedly arranged at the top of the calibration table body, the inlet of the water pump is communicated with the conveying pipe, one end of the conveying pipe is communicated with the cleaning box, and the outlet of the water pump is communicated with the connecting pipe, one end of which is communicated with the containing box.

Further, the locating ring is fixedly arranged at the top of the accommodating box, and the bottom of the second sealing gasket is contacted with the top of the first sealing gasket.

Further, the urea level sensor extends through the perforations and into the interior of the containment tank and is in contact with the first gasket.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this urea sensor calibration platform, through fixed establishment and hold the setting of mechanism, make the urea level sensor of different models be convenient for fix to promote detection efficiency, promote and detect application scope.

2. This urea sensor calibration stand, through the setting of clearance mechanism and extraction mechanism, make the inside that holds the mechanism convenient clear up, avoid urea to remain and cause the erosion to holding mechanism and urea level sensor, avoid holding the possibility that the mechanism blockked up.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a purge bin of the present utility model;

fig. 3 is a schematic sectional view of the accommodating case of the present utility model.

In the figure: 1. a calibration table body; 2. a control panel; 3. a cleaning box; 4. a heating rod; 5. a housing box; 6. perforating; 7. a first gasket; 8. a positioning ring; 9. urea level sensor; 10. a discharge pipe; 11. adjusting the screw sleeve; 12. screwing the bolt by hand; 13. a clamping plate; 14. a second gasket; 15. a water pump; 16. a connecting pipe; 17. and (5) transporting the pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a calibration table for a urea sensor in this embodiment includes a calibration table body 1, a control panel 2 is fixedly installed at the top of the calibration table body 1, an extraction mechanism is provided at the top of the calibration table body 1, a containing mechanism is provided at the top of the calibration table body 1, a fixing mechanism is provided at the top of the containing mechanism, and a cleaning mechanism is provided at the top of the calibration table body 1.

In this embodiment, fixed establishment includes holding ring 8, urea level sensor 9, adjusting screw sleeve 11, hand screw bolt 12, splint 13 and second sealed pad 14, holding mechanism's top fixed mounting has holding ring 8, the inside demountable installation of holding ring 8 has urea level sensor 9, the front and the equal fixed mounting in back of holding ring 8 have adjusting screw sleeve 11, adjusting screw sleeve 11's internal thread installs one end and runs through and extend to the inside hand screw bolt 12 of holding ring 8, the splint 13 is all rotated to the opposite side of hand screw bolt 12, the equal fixed mounting of splint 13 opposite side has second sealed pad 14.

Specifically, insert the inside of accommodating mechanism with urea level sensor 9, then, rotate the hand and twist bolt 12, make its inside operation at adjusting screw sleeve 11 to extrude splint 13, thereby make second sealed pad 14 and urea level sensor 9 contact, and because splint 13's extrusion force, make urea level sensor 9 effectively fixed, thereby make urea level sensor 9 of different models fix, and convenient dismouting promotes detection efficiency.

In this embodiment, hold the mechanism and hold case 5, perforation 6, first sealed pad 7 and exhaust pipe 10 including holding, the top left side fixed mounting of demarcation platform body 1 holds case 5, go-between 8 fixed mounting holds the top of case 5, hold the top of case 5 and offered the perforation 6 that is located go-between 8 inside, urea level sensor 9 runs through perforation 6 and extends to hold the incasement portion 5, and contact with first sealed pad 7, the equal fixed mounting in inner wall left and right sides of perforation 6 has first sealed pad 7, the bottom of second sealed pad 14 contacts with the top of first sealed pad 7, the front below intercommunication of holding case 5 has exhaust pipe 10.

The left side of the accommodating box 5 is communicated with a liquid inlet pipe, so that urea solution is convenient to quantitatively feed; the arrangement of the discharge pipe 10 allows the urea solution to be detected to be discharged conveniently.

The first gasket 7 and the second gasket 14 are made of silica gel, and are in contact with each other to isolate the outside from the internal environment of the housing box 5 as much as possible.

In this embodiment, clearance mechanism includes clearance case 3 and heating rod 4, and the top right side fixed mounting of demarcation platform body 1 has clearance case 3, and the inner wall right side fixed mounting of clearance case 3 has heating rod 4.

Wherein, the front of the cleaning box 3 is communicated with a water inlet pipe, so that a clean water source is convenient to be led in.

Specifically, after the urea level sensor 9 detects, the heating rod 4 is started, so that clean water in the cleaning box 3 is effectively heated, and then the clean water is led into the accommodating box 5 through the extraction mechanism for use, so that the precipitated urea is effectively dissolved and taken out.

In this embodiment, the extraction mechanism includes a water pump 15, a connecting pipe 16 and a transporting pipe 17, the top of the calibration table body 1 is fixedly provided with the water pump 15, an inlet of the water pump 15 is communicated with the transporting pipe 17, one end of which is communicated with the cleaning tank 3, and an outlet of the water pump 15 is communicated with the connecting pipe 16, one end of which is communicated with the containing tank 5.

Specifically, after the urea level sensor 9 detects, the water pump 15 starts, high-temperature clean water in the cleaning box 3 is led into the accommodating box 5 through the connecting pipe 16 and the conveying pipe 17, urea precipitated by the inner wall of the accommodating box 5 and the urea level sensor 9 is melted and discharged through the discharge pipe 10, so that the cleaning of the accommodating box 5 and the urea level sensor 9 is realized, and the blocking condition of the connecting pipe 16, the liquid inlet pipe and the discharge pipe 10 is avoided.

The working principle of the embodiment is as follows:

in use, the urea level sensor 9 is inserted through the through hole 6, at this time, the first gasket 7 is extruded by the urea level sensor 9 and temporarily positioned, then the hand screw 12 is turned to operate inside the adjusting screw sleeve 11 and extrude the clamping plate 13, so that the second gasket 14 is in contact with the urea level sensor 9, and the urea level sensor 9 is effectively fixed due to the extrusion force of the clamping plate 13, so that the urea level sensors 9 of different models are fixed, and the urea level sensor is convenient to disassemble and assemble, and the replacement cost of the containing box 5 is reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The urea sensor calibration table is characterized by comprising a calibration table body (1), wherein a control panel (2) is fixedly arranged at the top of the calibration table body (1), an extraction mechanism is arranged at the top of the calibration table body (1), a containing mechanism is arranged at the top of the calibration table body (1), a fixing mechanism is arranged at the top of the containing mechanism, and a cleaning mechanism is arranged at the top of the calibration table body (1);

the utility model discloses a fixing mechanism, including fixing ring (8), urea level sensor (9), adjusting swivel nut (11), hand screw bolt (12), splint (13) and second sealed pad (14), the top fixed mounting who holds mechanism has fixing ring (8), the inside demountable installation of fixing ring (8) has urea level sensor (9), the front and the equal fixed mounting in back of fixing ring (8) have adjusting swivel nut (11), the internal thread of adjusting swivel nut (11) installs one end and runs through and extend to inside hand screw bolt (12) of fixing ring (8), hand screw bolt (12) are relative one side all rotates and install splint (13), splint (13) are relative one side and are all fixed mounting has second sealed pad (14).

2. A urea sensor calibration stand according to claim 1, characterized in that: the utility model discloses a calibration table, including holding mechanism, calibration table body (1) and locating ring (8), including holding case (5), perforation (6), first sealed pad (7) and exhaust pipe (10), the top left side fixed mounting of demarcation table body (1) holds case (5), the perforation (6) that are located locating ring (8) inside have been seted up at the top of holding case (5), the equal fixed mounting in inner wall left and right sides of perforation (6) has first sealed pad (7), the front below intercommunication of holding case (5) has exhaust pipe (10).

3. A urea sensor calibration stand according to claim 2, characterized in that: the cleaning mechanism comprises a cleaning box (3) and a heating rod (4), the cleaning box (3) is fixedly installed on the right side of the top of the calibration table body (1), and the heating rod (4) is fixedly installed on the right side of the inner wall of the cleaning box (3).

4. A urea sensor calibration stand according to claim 3, characterized in that: the extraction mechanism comprises a water pump (15), a connecting pipe (16) and a conveying pipe (17), the water pump (15) is fixedly arranged at the top of the calibration table body (1), one end of the conveying pipe (17) communicated with the cleaning box (3) is communicated with the inlet of the water pump (15), and one end of the connecting pipe (16) communicated with the accommodating box (5) is communicated with the outlet of the water pump (15).

5. A urea sensor calibration stand according to claim 2, characterized in that: the locating ring (8) is fixedly arranged at the top of the accommodating box (5), and the bottom of the second sealing gasket (14) is contacted with the top of the first sealing gasket (7).

6. A urea sensor calibration stand according to claim 2, characterized in that: the urea level sensor (9) extends through the perforation (6) and into the interior of the containment tank (5) and is in contact with the first gasket (7).