Online oil viscosity and density sensor

Abstract

The utility model relates to the technical field of metering instruments, in particular to an oil online viscosity and density sensor which comprises a mounting seat, a defoaming detection mechanism is arranged below the mounting seat, the defoaming detection mechanism comprises a mounting plate arranged below the mounting seat, and a micro pump is fixedly connected to the top end of one side of the mounting plate. The output end of the micro pump is fixedly connected with a transfer pipe, the end, away from the micro pump, of the transfer pipe is fixedly connected with a working box, the working box is fixedly connected to the top end of the center of the mounting plate, a filter plate is arranged above the working box and fixedly connected to the inner side wall of the transfer pipe, and a plurality of sets of filter holes are formed in the filter plate; the top end of the filter plate is fixedly connected with a plurality of groups of defoaming thorns. According to the utility model, through the cooperation of the mounting seat and the bubble-removing detection mechanism, the micro pump sucks oil into the transfer pipe and then transfers the oil into the working box, and bubbles in the oil are punctured by the bubble-removing thorns, so that the bubbles are prevented from influencing the subsequent measurement precision.

Description

Technical Field

[0001] The utility model relates to the technical field of measuring instruments, in particular to an oil online viscosity and density sensor. Background Art

[0002] At present, the most direct method for measuring liquid density is hydrometer measurement, but this method can only be used in safe environmental conditions and is a direct reading on site. It cannot be used in complex environments or environments where direct reading is not possible, especially for aircraft fuel measurement. At present, the density measurement method of domestic aircraft fuel mainly adopts indirect measurement.

[0003] After searching, the patent document with the publication number CN107917856B proposes a liquid density sensor: the invention discloses a resonant cylinder liquid density sensor, including a shell and a vibration cylinder arranged in the shell and extending axially along the shell, and the shell is also provided with at least one exciter for driving the vibration cylinder to vibrate and a pickup for detecting the vibration frequency of the vibration cylinder; the exciter and the pickup are in direct contact with the vibration cylinder, and the shell includes a side surface and two upper and lower end surfaces connected as one, and the side surface and the upper and lower end surfaces are welded as one through a bellows; the outer surface of the side surface of the shell is fixedly installed with a mounting bracket for fixing the density sensor. The resonant cylinder liquid density sensor provided by the present invention realizes the function of measuring the density of the measured liquid by measuring the frequency of the voltage signal in the pickup coil, has the characteristics of high measurement accuracy, high mechanical strength, and high electromagnetic shielding, and can directly measure the density of liquid media under complex conditions, and is used for aerospace fuel density testing and automatic production line online density testing.

[0004] During the use of the above technical solution, since the oil may contain bubbles, it will affect the detection, cause data errors, and reduce the accuracy of the detection.

[0005] Therefore, it is necessary to invent an oil online viscosity and density sensor to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an online viscosity and density sensor for oil, which eliminates bubbles in the oil by cooperating with a mounting seat and a debubble detection mechanism, so as to solve the problem in the prior art that the oil may contain bubbles, thereby affecting the detection, causing data errors and reducing the accuracy of the detection.

[0007] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: an online viscosity and density sensor for oil, comprising a mounting seat, a debubble detection mechanism is arranged below the mounting seat, the debubble detection mechanism comprises a mounting plate arranged below the mounting seat, a micro pump is fixedly connected to the top end of one side of the mounting plate, a transfer pipe is fixedly connected to the output end of the micro pump, a working box is fixedly connected to the end of the transfer pipe away from the micro pump, and the working box is fixedly connected to the top end of the center of the mounting plate, a filter plate is arranged above the working box, and the filter plate is fixedly connected to the inner wall of the transfer pipe, a plurality of groups of filter holes are opened inside the filter plate, a plurality of groups of debubble thorns are fixedly connected to the top end of the filter plate, the micro pump is used to deliver the oil into the interior of the working box, and the debubble thorns are used to break the bubbles inside the oil, thereby improving the measurement accuracy of the structure.

[0008] Preferably, the bottom end of the mounting seat is fixedly connected with an electric telescopic rod, and the electric telescopic rod is fixedly connected to the top end of the mounting plate away from the micro pump, and the defoaming detection mechanism is driven to a suitable working position by the electric telescopic rod.

[0009] Preferably, an oil suction hole is connected below the micro pump, and the oil suction hole is opened at the bottom end of the mounting plate. A filter is installed inside the oil suction hole, and the filter is used to preliminarily filter impurities in the oil.

[0010] Preferably, two groups of installation grooves are opened inside the working box, a vibration cylinder is installed inside the installation groove, and a density sensor element is installed on the inner side of the working box, and the density of the oil is measured by the cooperation of the vibration cylinder and the density sensor element.

[0011] Preferably, an oil outlet hole is connected to the bottom of the working box, and the oil outlet hole is opened at the bottom end of the mounting plate. A viscosity sensor is installed inside the oil outlet hole to measure the viscosity of the oil product by the passing speed of the oil.

[0012] Preferably, the diameter of the top of the oil outlet hole is larger than the diameter of the bottom of the oil outlet hole, so as to accelerate the passage of oil and prevent oil from sticking.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] Through the cooperation between the mounting seat and the debubble detection mechanism, the micro pump sucks the oil into the transfer pipe and then transfers it to the inside of the working box. While the filter plate is used to filter the oil to prevent subsequent parts from being damaged, the debubble thorn is used to puncture the bubbles in the oil to prevent the bubbles from affecting the accuracy of subsequent measurements, thereby improving the practicality of the structure.

[0015] Through the coordination of the vibration cylinder, density sensing element, oil outlet and viscosity sensor, the vibration of the vibration cylinder is used to realize resonant measurement, thereby measuring the density of the oil. At the same time, by utilizing the communication relationship between the working box and the oil outlet, the viscosity sensor can calculate the viscosity of the oil according to the falling speed of the oil, thereby improving the functionality of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the overall first-view structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 Enlarged structural diagram at A in the middle.

[0021] Description of reference numerals:

[0022] 1. Mounting seat; 2. Bubble removal detection mechanism; 201. Mounting plate; 202. Micro pump; 203. Transfer tube; 204. Working box; 205. Filter plate; 206. Filter hole; 207. Bubble removal; 3. Electric telescopic rod; 4. Oil suction hole; 5. Oil outlet hole; 6. Viscosity sensor; 7. Vibrating cylinder; 8. Density sensing element; 9. Filter net; 10. Mounting groove. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model provides Figure 1-4An oil online viscosity and density sensor is shown, with a mounting seat 1, and a debubble detection mechanism 2 is arranged below the mounting seat 1. The debubble detection mechanism 2 includes a mounting plate 201 arranged below the mounting seat 1, a micro pump 202 is fixedly connected to the top of one side of the mounting plate 201, and a transfer pipe 203 is fixedly connected to the output end of the micro pump 202, and the oil is transferred by the transfer pipe 203, and the end of the transfer pipe 203 away from the micro pump 202 is fixedly connected to a working box 204, and the working box 204 is fixedly connected to the top of the center of the mounting plate 201, and a filter plate 205 is arranged above the working box 204 and the filter plate 205 is fixedly connected to the inner side wall of the transfer pipe 203, and a plurality of groups of filter holes 206 are opened inside the filter plate 205, and the oil enters the interior of the working box 204 through the filter holes 206, and a plurality of groups of debubble spikes 207 are fixedly connected to the top of the filter plate 205, and the oil is sent into the working box 20 by the micro pump 202. 4, and the bubbles in the oil are broken by the bubble removal thorn 207, so as to improve the measurement accuracy of the structure. The bottom end of the mounting seat 1 is fixedly connected with an electric telescopic rod 3, and the electric telescopic rod 3 is fixedly connected to the top of the mounting plate 201 away from the top of the micro pump 202. The bubble removal detection mechanism 2 is driven to a suitable working position by the electric telescopic rod 3. The micro pump 202 is connected with an oil suction hole 4 below, and the oil suction hole 4 is opened at the bottom of the mounting plate 201. The inside of the oil suction hole 4 is installed with a filter screen 9, and the impurities in the oil are preliminarily filtered by the filter screen 9. Through the cooperation of the mounting seat 1 and the bubble removal detection mechanism 2, the micro pump 202 sucks the oil into the transfer pipe 203 and then transfers it to the inside of the working box 204. While filtering the oil by the filter plate 205 to prevent subsequent damage to parts, the bubble removal thorn 207 is used to puncture the bubbles in the oil to prevent the bubbles from affecting the accuracy of subsequent measurements, thereby improving the practicability of the structure.

[0025] Refer to the instruction manual Figure 1-4 Two groups of mounting grooves 10 are provided inside the working box 204, and a vibration cylinder 7 is installed inside the mounting groove 10. A density sensor element 8 is installed on the inner side of the working box 204. The density of the oil is measured by the cooperation between the vibration cylinder 7 and the density sensor element 8. An oil outlet 5 is connected below the working box 204. The oil outlet 5 is provided at the bottom end of the mounting plate 201. A viscosity sensor 6 is installed inside the oil outlet 5. The viscosity of the oil is measured by the passing speed of the oil. The diameter of the top of the oil outlet 5 is greater than the diameter of the bottom of the oil outlet 5, which accelerates the passage of the oil to prevent the oil from sticking. The vibration of the vibration cylinder 7 is used to achieve resonant measurement through the cooperation of the vibration cylinder 7, the density sensor element 8, the oil outlet 5 and the viscosity sensor 6, so as to measure the density of the oil. At the same time, the communication relationship between the working box 204 and the oil outlet 5 is used, so that the viscosity sensor 6 can calculate the viscosity of the oil according to the falling speed of the oil, thereby improving the functionality of the structure.

[0026] How this utility works:

[0027] Refer to the instruction manual Figure 1-4 When it is necessary to measure the oil product, the electric telescopic rod 3 is started to drive the mounting plate 201 to a suitable working position, and then the micro pump 202 is started, so that the micro pump 202 sucks the oil into the transfer tube 203 and then transfers it to the inside of the working box 204. Through the cooperation of the vibration cylinder 7, the density sensor element 8, the oil outlet 5 and the viscosity sensor 6, the vibration of the vibration cylinder 7 is used to achieve resonant measurement, so as to measure the density of the oil product. At the same time, the communication relationship between the working box 204 and the oil outlet 5 is used to enable the viscosity sensor 6 to calculate the viscosity of the oil product according to the falling speed of the oil. During the measurement process, the filter plate 205 is used to filter the oil to prevent subsequent damage to parts, and the bubbles in the oil are punctured by the bubble removal 207 to prevent the bubbles from affecting the accuracy of subsequent measurements, thereby improving the practicality of the structure.

[0028] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An oil online viscosity and density sensor, comprising a mounting seat (1), characterized in that: A debubble detection mechanism (2) is arranged below the mounting seat (1), and the debubble detection mechanism (2) comprises a mounting plate (201) arranged below the mounting seat (1); a micro pump (202) is fixedly connected to the top end of one side of the mounting plate (201); a transfer tube (203) is fixedly connected to the output end of the micro pump (202); a working box (204) is fixedly connected to the top end of the center of the mounting plate (201); a filter plate (205) is arranged above the working box (204); the filter plate (205) is fixedly connected to the inner side wall of the transfer tube (203); a plurality of groups of filter holes (206) are opened inside the filter plate (205); and a plurality of groups of debubble spikes (207) are fixedly connected to the top end of the filter plate (205).

2. The oil online viscosity and density sensor according to claim 1, characterized in that: The bottom end of the mounting seat (1) is fixedly connected to an electric telescopic rod (3), and the electric telescopic rod (3) is fixedly connected to the top end of the mounting plate (201) on a side away from the micro pump (202).

3. The oil online viscosity and density sensor according to claim 1, characterized in that: The micro pump (202) is connected to an oil suction hole (4) below, the oil suction hole (4) is opened at the bottom end of the mounting plate (201), and a filter screen (9) is installed inside the oil suction hole (4).

4. The oil online viscosity and density sensor according to claim 1, characterized in that: Two groups of installation grooves (10) are provided inside the working box (204), a vibration cylinder (7) is installed inside the installation grooves (10), and a density sensor element (8) is installed inside the working box (204).

5. The oil online viscosity and density sensor according to claim 1, characterized in that: An oil outlet hole (5) is connected to the bottom of the working box (204), the oil outlet hole (5) is opened at the bottom end of the mounting plate (201), and a viscosity sensor (6) is installed inside the oil outlet hole (5).

6. The oil online viscosity and density sensor according to claim 5, characterized in that: The diameter of the top of the oil outlet hole (5) is greater than the diameter of the bottom of the oil outlet hole (5).

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