CN219870055U - Calibration device for temperature module of oil quality analyzer and its device positioning bracket - Google Patents

Abstract

The utility model relates to a calibrating device for a temperature module of an oil quality analyzer, which comprises an electronic thermometer with a probe and a display, and also comprises a device positioning bracket, wherein the device positioning bracket comprises a bracket plate and a leveling plate, the center of the leveling plate is connected to the upper side of the bracket plate through a spherical hinge structure, three leveling bolts are arranged between the bracket plate and the leveling plate at intervals along the circumferential direction, the bottom of the bracket plate is hinged with three supporting legs arranged at intervals along the circumferential direction, the bottom of each supporting leg is provided with a vacuum chuck for being adsorbed and connected with the top of the oil cup cover, the upper end of the leveling plate is provided with a vertically arranged mounting rod, and the mounting rod is provided with a display clamping structure for clamping and fixing the display and a probe clamping structure for clamping and fixing the probe. The utility model provides a calibrating device for a temperature module of an oil quality analyzer, which can fix an electronic thermometer by utilizing an oil cup cover, and a device positioning bracket used in the calibrating device for the temperature module.

Description

Calibration device for temperature module of oil quality analyzer and its device positioning bracket

Technical field

The utility model relates to the field of measurement and calibration, and in particular to a calibration device for a temperature module of an oil quality analyzer and a device positioning bracket thereof.

Background technique

In power systems, oil quality analyzers need to be used to detect various parameters such as density, viscosity, freezing point, foam characteristics, and corrosion resistance of the oil used in the power system to ensure the quality of the oil used.

The existing oil quality analyzer includes a base, and an oil cup made of transparent glass is fixed on the base. The upper end of the oil cup has an oil cup cover. The oil cup cover has at least two detection holes, and each detection hole is equipped with an oil cup. The lower end extends into the detection tube inside the oil cup. During use, corresponding measuring instruments can be placed in the detection tube, such as a temperature measuring head. The temperature measuring head constitutes the temperature module of the oil quality analyzer. A motor is also provided at the center of the oil cup cover, and the lower end of the motor is connected to a stirring device located inside the oil cup.

The detection cylinder and motor both protrude from the upper side of the oil cup cover. Among the various measurement characteristics of the oil quality analyzer, the temperature measurement characteristic is an important component. That is to say, it is necessary to ensure that the temperature module of the oil quality analyzer accuracy, which requires periodic calibration of the temperature module. The usual calibration method in the prior art is to use an electronic thermometer to calibrate the temperature module. The electronic thermometer is shown in Figure 1. The electronic thermometer includes a probe 2 and a display 1 with an operation button connected to the probe. The display can The measured temperature of the probe is displayed. When using it, the probe needs to be inserted vertically into one of the detection cylinders, and the temperature measuring head of the oil quality analyzer is calibrated through the temperature measurement of the electronic thermometer.

The problem with the existing calibration method is that in the existing technology, the bracket probe that does not fix the electronic thermometer cannot maintain a vertical posture, resulting in the electronic thermometer not being fixed. If the electronic thermometer cannot be fixed firmly, it will not only affect the calibration. Efficiency (requires multiple fixations, extending the preparation time for on-site measurement work), and will also have a greater impact on measurement data.

Utility model content

The purpose of this utility model is to provide a calibration device for a temperature module of an oil quality analyzer that can use an oil cup cover to fix an electronic thermometer. The purpose of this utility model is to provide a calibration device for use in the temperature module. device positioning bracket.

In order to solve the above technical problems, the technical solution of the calibration device for the temperature module of the oil quality analyzer in the present invention is as follows:

The calibration device for the temperature module of the oil quality analyzer includes an electronic thermometer with a probe and a display, and also includes a device positioning bracket. The device positioning bracket includes a bracket plate and a leveling plate whose center is connected to the upper side of the bracket plate through a spherical hinge structure. There are three leveling bolts arranged at intervals along the circumferential direction between the bracket plate and the leveling plate. The bottom of the bracket plate is hinged with three legs arranged at intervals along the circumferential direction. The bottom of each leg is provided with an oil cup cover. A vacuum suction cup is attached to the top, and the upper end of the leveling plate is provided with a vertical installation rod. The installation rod is provided with a display clamping structure for clamping and fixing the display and a probe clamping structure for clamping and fixing the probe.

Further, a mounting sleeve is rotatably mounted on the mounting rod, and the display clamping structure and the probe clamping structure are arranged on the mounting sleeve at intervals along the circumferential direction.

Furthermore, each leg is a telescopic leg with adjustable length.

Further, each leveling bolt is threadedly connected to the bracket plate, and the upper end of the leveling bolt contacts and pushes with the bottom of the leveling plate.

Further, the bracket plate and the leveling plate are in a three-blade shape as a whole, and a probe avoidance space for avoiding the probe is formed between adjacent blades of the bracket plate and the leveling plate.

The technical solution for installing the positioning bracket in this utility model is:

The temperature module of the oil quality analyzer uses a device positioning bracket of the calibration device, which includes a bracket plate and a leveling plate whose center is connected to the upper side of the bracket plate through a ball hinge structure. There are three circumferential intervals between the bracket plate and the leveling plate. The leveling bolts are provided. The bottom of the bracket plate is hinged with three legs spaced along the circumferential direction. The bottom of each leg is equipped with a vacuum suction cup for adsorption connection with the top of the oil cup cover. The upper end of the leveling plate is provided with a vertical The mounting rod is provided with a display clamping structure for clamping and fixing the display and a probe clamping structure for clamping and fixing the probe.

Further, a mounting sleeve is rotatably mounted on the mounting rod, and the display clamping structure and the probe clamping structure are arranged on the mounting sleeve at intervals along the circumferential direction.

Furthermore, each leg is a telescopic leg with adjustable length.

Further, each leveling bolt is threadedly connected to the bracket plate, and the upper end of the leveling bolt contacts and pushes with the bottom of the leveling plate.

Further, the bracket plate and the leveling plate are in a three-blade shape as a whole, and a probe avoidance space for avoiding the probe is formed between adjacent blades of the bracket plate and the leveling plate.

The beneficial effects of this utility model are: in this utility model, since there are upward protruding structures on the upper side of the oil cup cover, in order to avoid the interference of these protruding structures, three legs are used in this utility model. The spacing can avoid these protruding structures. The vacuum suction cup at the lower end of the leg can be directly adsorbed on the oil cup cover, fixing the display of the electronic thermometer on the display clamping structure, and fixing the probe of the electronic thermometer on the probe clamping structure. on the oil analyzer, the probe is inserted into the corresponding detection cylinder, and the cylinder measures the temperature of the oil in the oil cup to calibrate the temperature measuring head of the oil quality analyzer. The leveling plate is adjusted through the leveling bolt to ensure the vertical position of the probe. Straight posture. In the utility model, the upper surface of the oil cup cover is used to realize the positioning and installation of the device positioning bracket, which is very convenient and can realize the firm fixation of the electronic thermometer.

Description of the drawings

The above and other objects, features and advantages of exemplary embodiments of the present disclosure will become readily understood by reading the following detailed description with reference to the accompanying drawings. In the drawings, several embodiments of the present disclosure are shown by way of illustration and not limitation, and like or corresponding parts are represented by like or corresponding numerals, wherein:

Figure 1 is a schematic structural diagram of an electronic thermometer in the background technology of the present invention;

Figure 2 is a usage status diagram of an embodiment of the calibration device in the present utility model;

Figure 3 is a schematic diagram of the cooperation between the leveling plate and the probe in the top view of Figure 2;

Explanation of reference signs: 1. Display; 2. Probe; 3. Base; 4. Detection tube; 5. Temperature measuring head; 6. Oil cup; 7. Motor; 8. Stirring device; 9. Oil cup cover; 10 , Vacuum suction cup; 11. Legs; 12. Leveling bolts; 13. Ball head; 14. Bracket plate; 15. Leveling plate; 16. Installation rod; 17. Installation sleeve; 18. Probe clamping structure; 19 , Display clamping structure; 20. Blades of the leveling plate; 21. Probe avoidance space.

Detailed ways

In order to facilitate understanding of the present utility model, the present utility model will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. The preferred embodiments of the present utility model are shown in the accompanying drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described in this specification. Rather, these embodiments are provided to provide a thorough and comprehensive understanding of the disclosure.

It should be noted that, unless otherwise defined, all technical and scientific terms used in this specification have the same meanings as commonly understood by those skilled in the technical field belonging to the present invention. The terms used in the description of the present invention are only for the purpose of describing specific embodiments and are not used to limit the present invention.

The embodiment of the calibration device for the temperature module of the oil quality analyzer of the present invention is shown in Figures 2 to 3:

Before describing the structure of this calibration device, a brief introduction to oil quality analyzers in the prior art is given first.

The oil quality analyzer includes a base 3, an oil cup 6 made of transparent glass is fixed on the base, the upper end of the oil cup 6 has an oil cup cover 9, the oil cup cover 9 has at least two detection holes, each detection hole is There is a detection tube 4 whose lower end extends into the inside of the oil cup. During use, corresponding measuring instruments can be placed in the detection tube, such as the temperature measuring head 5. The temperature measuring head 5 constitutes the temperature module of the oil quality analyzer. A motor 7 is also provided at the center of the oil cup cover, and the lower end of the motor is connected to a stirring device 8 located inside the oil cup. The upper end of the motor and the upper end of the detection tube both protrude from the oil cup cover.

The calibration device includes a positioning bracket and an electronic thermometer with a probe 2 and a display 1. The display 1 is provided with an operating button. The device positioning bracket includes a bracket plate 14 and a leveling plate 15 whose center is connected to the upper side of the bracket plate through a spherical hinge structure. The ball hinge structure includes a ball groove provided at the upper end of the bracket plate. The ball hinge structure also includes a ball head 13 that rotates with the ball groove. The upper end of the ball head 13 is connected to the leveling plate through a connecting rod. In this embodiment, the bracket plate and the leveling plate are of a three-blade shape as a whole, that is, the bracket plate and the leveling plate each include three blades arranged at intervals along the circumferential direction. Item 20 in the figure represents the blades of the leveling plate. A probe avoidance space 21 for avoiding probes is formed between adjacent blades of the bracket plate and the leveling plate.

There are three leveling bolts 12 spaced apart along the circumferential direction between the bracket plate 14 and the leveling plate 15. Each leveling bolt 12 is arranged vertically. The blade of each bracket plate 14 is provided with a blade that matches the corresponding leveling bolt. The leveling bolts 12 are screwed into the corresponding threaded holes. The upper ends of the leveling bolts contact and push with the bottom of the leveling plate 15. By screwing each leveling bolt, the leveling plate level can be adjusted.

The bottom of the bracket plate is hinged with three legs 11 arranged at circumferential intervals. Each leg is a telescopic leg with adjustable length. The bottom of each telescopic leg is provided with a vacuum suction cup for adsorption connection with the top of the oil cup cover. 10. The vacuum suction cup 10 is made of rubber material, and the upper end of the vacuum suction cup is hingedly connected to the bottom of the leg. The upper end of each leg is respectively connected to the corresponding blade of the bracket plate. The vacuum suction cup belongs to the existing technology, and its specific structure will not be described in detail here. When using it, you only need to press the vacuum suction cup on the upper end of the oil cup cover of the oil cup and squeeze out the air on the underside of the vacuum suction cup, and the vacuum can be The suction cup is fixed on the oil cup cover.

The upper end of the leveling plate is provided with a vertical installation rod 16. The upper end of the installation rod 16 is rotated and equipped with an installation sleeve 17 with a rotation axis extending in the up and down direction. There is friction between the installation sleeve 17 and the installation rod 16. When there is no external force When torque acts on the mounting sleeve, the mounting sleeve relies on friction to achieve positioning with the mounting rod.

The mounting sleeve is provided with a display clamping structure 19 for clamping and fixing the display and a probe clamping structure 18 for clamping and fixing the probe at intervals along the circumferential direction. The display clamping structure 19 and the probe clamping structure 18 both belong to the existing technology. For example, the clamping structure used on the mobile phone holder in the prior art to clamp the mobile phone. The specific display clamping structure and probe clamping structure The structure includes a pair of clamping arms that have a tendency to move relatively under the action of springs. The springs are used to provide clamping force to clamp the corresponding components. The clamping arms of the probe clamping structure clamp the handle at the upper end of the probe. The clamping arm of the needle clamping structure has an outward convex arc that matches the concave arc on the handle.

The distance between the probe clamping structure and the mounting sleeve is adjustable. Specifically, the probe clamping structure is connected to the mounting sleeve through transverse flower basket bolts.

When in use, adjust the telescopic length and angle of each leg so that the leg can avoid the convex structure on the upper end of the oil cup cover, attach the vacuum suction cup to the top of the oil cup cover, adjust the leveling plate, turn the mounting sleeve, and adjust the probe Adjust the circumferential position of the clamping structure, adjust the flower basket bolt, and adjust the radial position of the probe clamping structure to ensure that the probe can be inserted into the corresponding measuring cylinder and at the same time, the handle at the upper end of the probe can be clamped by the probe clamping structure. Keep the probe in an upright position. The oil analyzer's own temperature measuring head can be calibrated based on the display readings.

In other embodiments of the present invention: the clamping force of the two clamping arms of the probe clamping structure and the display clamping structure can also be achieved without using springs. For example, bolts can be used to allow relative movement of the two clamping arms. Trend and clamp the corresponding components.

In the above description of this specification, the terms "fixed", "installed", "connected" or "connected" should be interpreted broadly unless otherwise expressly stated and limited. For example, as far as the term "connection" is concerned, it can be a fixed connection, a detachable connection, or an integral body; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary. , or it can be the internal connection between two elements or the interactive relationship between two elements. Therefore, unless otherwise explicitly limited in this specification, those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific circumstances.

Based on the above description of this specification, those skilled in the art can also understand the terms used below, such as "upper", "lower", "front", "back", "left", "right", "length", "width" ”, “thickness”, “vertical”, “horizontal”, “top”, “bottom”, “inner”, “outer”, “axial”, “radial”, “circumferential”, “center”, “ Terms indicating the orientation or positional relationship such as "longitudinal", "transverse", "clockwise" or "counterclockwise" are based on the orientation or positional relationship shown in the drawings of this specification, and are only for the convenience of explaining the present invention. The purpose of the scheme and simplified description is not to express or imply that the devices or elements involved must have the specific orientation, be constructed and operate in the specific orientation, so the above orientation or positional relationship terms cannot be understood or interpreted. It is a limitation of the solution of this utility model.

In addition, the terms "first" or "second" used in this specification to refer to numbers or ordinal numbers are only for descriptive purposes and cannot be understood to express or imply relative importance or implicit indication. The number of technical features. Thus, a feature qualified with "first" or "second" may explicitly or implicitly include at least one of these features. In the description of this specification, "plurality" means at least two, such as two, three or more, etc., unless otherwise clearly and specifically limited.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some of the technical features can be equivalently replaced; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the spirit of the technical solutions of the various embodiments of the present invention. and scope.

Claims (10)

1. The calibration device for the temperature module of the oil quality analyzer includes an electronic thermometer with a probe and a display, and is characterized by: it also includes a device positioning bracket. The device positioning bracket includes a bracket plate and a center connected to the bracket plate through a ball hinge structure. There are three leveling bolts spaced along the circumferential direction between the bracket plate and the leveling plate. The bottom of the bracket plate is hinged with three legs spaced along the circumferential direction. The bottom of each leg is provided with There is a vacuum suction cup for adsorption and connection with the top of the oil cup cover. The upper end of the leveling plate is provided with a vertical installation rod. The installation rod is provided with a display clamping structure for clamping and fixing the display and a probe for clamping and fixing the probe. Probe clamping structure. 2. The calibration device for temperature module according to claim 1, characterized in that: a mounting sleeve is rotated on the mounting rod, and the display clamping structure and the probe clamping structure are arranged on the mounting sleeve at intervals along the circumferential direction. 3. The calibration device for temperature module according to claim 2, characterized in that: each leg is a telescopic leg with adjustable length. 4. The calibration device for temperature module according to claim 1, characterized in that: each leveling bolt is threadedly connected to the bracket plate, and the upper end of the leveling bolt contacts and push-fits with the bottom of the leveling plate. 5. The temperature module calibration device according to any one of claims 1 to 4, characterized in that: the bracket plate and the leveling plate are in a three-blade shape as a whole, and a space is formed between adjacent blades of the bracket plate and the leveling plate. The probe avoidance space for the avoidance probe. 6. The device positioning bracket of the calibration device for the temperature module of the oil quality analyzer, which is characterized by: including a bracket plate and a leveling plate whose center is connected to the upper side of the bracket plate through a ball hinge structure, and is provided between the bracket plate and the leveling plate There are three leveling bolts spaced along the circumferential direction. The bottom of the bracket plate is hinged with three legs spaced apart along the circumference. The bottom of each leg is provided with a vacuum suction cup for adsorption connection with the top of the oil cup cover. Leveling The upper end of the disk is provided with a vertical installation rod, and the installation rod is provided with a display clamping structure for clamping and fixing the display and a probe clamping structure for clamping and fixing the probe. 7. The device positioning bracket according to claim 6, characterized in that: a mounting sleeve is rotated on the mounting rod, and the display clamping structure and the probe clamping structure are arranged on the mounting sleeve at intervals along the circumferential direction. 8. The device positioning bracket according to claim 7, wherein each leg is a telescopic leg with adjustable length. 9. The device positioning bracket according to claim 6, characterized in that: each leveling bolt is threadedly connected to the bracket plate, and the upper end of the leveling bolt contacts and push-fits with the bottom of the leveling plate. 10. The device positioning bracket according to any one of claims 6 to 9, characterized in that: the bracket plate and the leveling plate are in a three-blade shape, and adjacent blades of the bracket plate and the leveling plate are formed for avoidance. Probe avoidance space for the probe.