阅读说明：本技术 测量装置 (Measuring device ) 是由 何燕 董乾鹏 白文娟 楚电明 于 2021-09-01 设计创作，主要内容包括：本申请公开了一种测量装置,用于准确测量三维空间内任意位置的敏感信号,包括检测模块、运动模块、控制模块,所述运动模块与所述检测模块连接,所述控制模块与所述运动模块连接,所述运动模块与待检模块连接,所述运动模块包括至少三组伸缩单元,所述检测模块在所述伸缩单元带动下相对于所述待检模块做相对运动,所述检测模块获取所述待检模块空间内该位置的单信号值,在所述控制模块的控制下以求解所述三维空间内所需位置的信号值。(The application discloses measuring device for the sensitive signal of optional position in the accurate measurement three-dimensional space, including detection module, motion module, control module, the motion module with detection module connects, control module with motion module connects, motion module with wait to examine the module and be connected, motion module includes the flexible unit of at least three groups, detection module is in flexible unit drives down for wait to examine the module and be relative motion, detection module acquires wait to examine the single signal value of this position in the module space with the solution under control module's the signal value of required position in the three-dimensional space.)

1. The measuring device is characterized by being used for accurately measuring sensitive signals at any position in a three-dimensional space and comprising a detection module (10), a motion module (20) and a control module (30), wherein the motion module (20) is connected with the detection module (10), the control module (30) is connected with the motion module (20), and the motion module (20) is connected with a module to be detected (40);

the motion module (20) comprises at least three groups of telescopic units (21), and the detection module (10) is driven by the telescopic units (21) to move relative to the module to be detected (40);

the detection module (10) acquires a single signal value of the position in the space of the module to be detected (40), and the signal value of the required position in the three-dimensional space is solved under the control of the control module (30).

2. The measuring device according to claim 1, characterized in that said movement module (20) further comprises a ball-and-socket unit (22) and a mobile rod (23), said ball-and-socket unit (22) acting as a fulcrum for said mobile rod (23), said telescopic unit (21) being in a non-fulcrum position of said mobile rod (23);

controlling the telescopic unit (21) to move to enable the detection module (10) point of the moving rod (23) to reach a designated position.

3. The measuring device according to claim 2, characterized in that the detection module (10) is connected with the moving rod (23) to detect the sensitive signal.

4. The measuring device according to claim 1, characterized in that said detection module (10) comprises a sensor for detecting said single signal value of said sensitive signal, said sensitive signal comprising temperature, pressure, humidity, light, sound.

5. A measuring device according to claim 1, characterized in that the method of solving for the signal values comprises at least one group of the single signal values or a mean of the single signal values or an interpolation of the single signal values.

6. The measurement device of claim 5, wherein the mean of the single signal values is an average of a plurality of sets of the single signal values at or near the same location;

the interpolation of the single signal values is to obtain a time-varying prediction value by a plurality of groups of single signal values at the same position at different times or obtain a prediction value of an undetected area by a plurality of groups of single signal values at different positions.

7. Measuring device according to claim 1, characterized in that said module to be inspected (40) is of channel-like type and internally forms said three-dimensional space closed or semi-closed, such as a fluidized bed or a cyclone or a boiler or a conventional pipe.

8. The measuring device according to claim 1, wherein the control module (30) comprises a signal collection unit (31), a motion control unit (32), the signal collection unit (31) being configured to collect the single signal values of the detection module (10);

the motion control unit (32) is used for controlling the motion track of the motion module (20).

9. The measuring device according to claim 1, wherein the control module (30) further comprises a signal processing unit (33), the signal processing unit (33) being configured to process a statistical and operation of the collected single signal values.

Technical Field

The application belongs to the chemical industry field, concretely relates to measuring device.

Background

Since many equipments such as fluidized bed and cyclone separator are in relatively sealed space, it is extremely difficult to measure sensitive signals such as temperature and pressure in the inner space, and accurate acquisition of these signal values has important significance for optimizing the equipments and products, and predicting yield and quality.

At present, the sensitive signal of the single fixed position department of inner space can only be measured to above-mentioned most equipment, can't measure the signal value of optional position department, consequently restricted the inside acquisition of flowing state signal of equipment for industrial production can't be by the promotion of macro to quality, and the numerical value precision that often acquires is not high although some few equipment can accomplish the acquisition of multiposition signal value, and equipment structure is very complicated, has restricted this measuring equipment's large-scale application.

The accurate acquisition of internal signal values by using measuring equipment is very important especially under severe working conditions of high temperature, high pressure, sealing and the like.

Disclosure of Invention

The embodiment of the application aims to provide a measuring device, and the problem that in the prior art, signal values of any position in a three-dimensional space cannot be accurately acquired can be solved.

In order to solve the technical problem, the present application is implemented as follows:

a measuring device is used for accurately measuring sensitive signals at any position in a three-dimensional space and comprises a detection module, a motion module and a control module, wherein the motion module is connected with the detection module, the control module is connected with the motion module, and the motion module is connected with a module to be detected;

the motion module comprises at least three groups of telescopic units, and the detection module is driven by the telescopic units to move relative to the module to be detected;

the detection module obtains a single signal value of the position in the space of the module to be detected, and the signal value of the required position in the three-dimensional space is solved under the control of the control module.

Preferably, the motion module further comprises a spherical hinge unit and a movable rod, the spherical hinge unit is used as a fulcrum of the movable rod, and the telescopic unit is located at a non-fulcrum position of the movable rod;

and controlling the telescopic unit to move so that the end part of the movable rod reaches a specified position.

Preferably, the detection module is connected to the moving rod to detect the sensitive signal.

Preferably, the detection module comprises a sensor for detecting the single signal value of the sensitive signal, the sensitive signal comprising temperature, pressure, humidity, light, sound.

Preferably, the method of solving for said signal values comprises at least one set of said single signal values or a mean of said single signal values or an interpolation of said single signal values.

Preferably, the mean value of the single signal values is an average value of a plurality of sets of the single signal values at the same position or in the vicinity thereof;

the interpolation of the single signal values is to obtain a time-varying prediction value by a plurality of groups of single signal values at the same position at different times or obtain a prediction value of an undetected area by a plurality of groups of single signal values at different positions.

Preferably, the module to be inspected is of the channel-like type and internally forms said three-dimensional space closed or semi-closed, such as a fluidized bed or a cyclone or a boiler or a conventional pipe.

Preferably, the control module comprises a signal collection unit and a motion control unit, wherein the signal collection unit is used for collecting the single signal value of the detection module;

the motion control unit is used for controlling the motion track of the motion module.

Preferably, the control module further comprises a signal processing unit, and the signal processing unit is configured to process statistics and operations of the collected single signal values.

In the embodiment of the application, the motion module is simple in structure and suitable for severe working conditions such as sealing and high temperature, the accuracy of positions can be adjusted by setting different positions of a movable rod fulcrum and a non-fulcrum, the arrangement of the spherical hinge unit is favorable for the free swinging of the movable rod, and the arrangement of at least three groups of telescopic units is favorable for the stable structure and the free swinging in the moving process; the motion control unit can be adopted to adjust the track of the signal to be detected according to the requirement; the signal processing unit can be used for realizing the accurate solution of at least one group of single signal values, particularly the accurate solution of the reciprocating motion and the signal points at the same position in the swing process, and obtaining the signal values of an unknown area and the signal values at the same position and different moments by using an interpolation method. The method and the device can solve the problem that the signal value of any position in the three-dimensional space cannot be accurately acquired in the prior art.

Drawings

Fig. 1 is a schematic structural diagram of a measurement device in an embodiment of the present application.

Fig. 2 is an overall schematic view of a measuring apparatus in the embodiment of the present application.

Description of the reference numerals

10. Detection module 20, motion module 21, telescopic unit 22, spherical hinge unit 23, movable rod 30, control unit 31, signal collection unit 32, motion control unit 33, signal processing unit 40 and module to be detected

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The temperature measurement method provided by the embodiment of the present application is described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Referring to fig. 1-2, an embodiment of the present application provides a measuring apparatus, which is characterized in that the measuring apparatus is used for accurately measuring a sensitive signal at any position in a three-dimensional space, and includes a detection module 10, a motion module 20, and a control module 30, where the motion module 20 is connected to the detection module 10, the control module 30 is connected to the motion module 20, and the motion module 20 is connected to a module to be detected 40;

the motion module 20 comprises at least three groups of telescopic units 21, and the detection module 10 is driven by the telescopic units 21 to move relative to the module to be detected 40;

the detection module 10 obtains a single signal value of the position in the space of the module to be detected 40, and solves the signal value of the required position in the three-dimensional space under the control of the control module 30.

In the embodiment of the application, the motion module 20 is simple in structure and suitable for severe working conditions such as sealing and high temperature, the accuracy of positions can be adjusted by setting different positions of a fulcrum and a non-fulcrum of the movable rod 23, the spherical hinge unit 22 is arranged to facilitate the free swinging of the movable rod, and the at least three groups of telescopic units 21 are arranged to facilitate the stable structure and the free swinging in the moving process; the motion control unit 32 can be adopted to adjust the track of the signal to be detected according to the requirement; by adopting the signal processing unit 22, it is possible to realize accurate solution of at least one group of single signal values, especially the reciprocating motion in the swing process, the accurate solution of signal points at the same position, and the acquisition of signal values of unknown areas, the acquisition of signal values at the same position and different times, etc. by using an interpolation method. The method and the device can solve the problem that the signal value of any position in the three-dimensional space cannot be accurately acquired in the prior art.

It should be noted that, in the embodiment of the present application, the motion module 20 is a mechanical structure, has a simple structure, is easy to implement, and is suitable for adjustment of various working conditions, and the control module 30 is used for controlling motion, collecting signals, processing signals, and the like.

It should be noted that, in the embodiment of the present application, the number of the telescopic units 21 is at least three, preferably three, and the technical solution can also be implemented by selecting one or two groups of telescopic units 21, but the structural stability is not high, and the structure is in an ultra-stable structure by selecting more than three groups of telescopic units 21, so that the motion calculation is more complicated.

In the embodiment of the present invention, the telescopic unit 21 is configured to be capable of extending and contracting, such as an air cylinder, a hydraulic cylinder, or an electric cylinder, and the telescopic amount thereof can be controlled by the control unit 30.

Wherein, the two ends of the telescopic unit 21 are respectively a fixed end and a movable end, the fixed end is hinged with the module to be detected 40, and the movable end is hinged with the movable rod 23;

it should be noted that, in the embodiment of the present application, the fluidized bed reactor for producing carbon nanotubes is particularly suitable for a high temperature environment, and measuring sensitive signals such as temperatures at various points inside the fluidized bed is helpful for accurately grasping the growth environment of the carbon nanotubes, so as to better implement high-quality macro preparation of the carbon nanotubes, and the implementation of the technology is beneficial to solving the "neck clamp" problem.

The growth and the temperature of the carbon nano tube are critical, the accurate acquisition of the temperature value can continuously produce the carbon nano tube with high quality, the energy and the resource are saved, the defective rate is reduced, and the carbon nano tube temperature control method has important significance for environmental protection.

It should be noted that, in the embodiment of the present application, the moving rod 23 passes through the middle of the spherical hinge unit 22, and the moving rod 23 can freely move in the spherical hinge unit 22, and at the same time, the moving rod 23 and the spherical hinge unit 22 can be integrally and freely rotated as a fulcrum.

In the case of a strictly sealed device, a seal, such as a rubber gasket, is added at the joint of the moving rod 23 and the ball-and-socket joint unit 22.

It should be noted that, in the embodiment of the present application, since there is no motor in the three-dimensional space and the peripheral region, the present mechanism has certain advantages in a high-temperature environment.

It should be noted that, in the embodiment of the present application, a free trajectory can be realized by using the motion control unit 32, and meanwhile, many advantages such as repeated path planning and implementation of a cambered surface layered path can be realized.

It should be noted that, in the embodiment of the present application, the signal processing unit 22 may be used to implement accurate solution of a signal value at a position to be measured, and may perform interpolation prediction at different times and different positions.

It should be noted that, in the embodiment of the present application, the single signal value refers to a value obtained by direct measurement, and the signal value may be a single signal value, or may be an average value or an interpolation value of multiple groups of single signal values;

wherein a signal value being a single signal value generally exists where the location is measured only once and can be measured.

Preferably, the motion module 20 further comprises a ball joint unit 22 and a moving rod 23, the ball joint unit 22 is used as a fulcrum of the moving rod 23, and the telescopic unit 21 is in a non-fulcrum position of the moving rod 23;

the telescopic unit 21 is controlled to move so that the detection module point of the moving rod 23 reaches a designated position.

It should be noted that, in the embodiment of the present application, the ball-joint unit 22 on the moving rod 23, the moving end of the telescopic unit 21 and the detection module 10 are located at different positions and have different structures and situations;

wherein, when the ball joint unit 22 is located at the moving end of the telescopic unit 21 on the moving rod and at the middle position of the detection module 10, the calculation formula (F) according to the force arm is used₁L₁＝F₂L₂) The velocity, the acceleration and other related calculation formulas can be known, the velocity of the moving end of the telescopic unit 21 can be known to deduce the velocity of the end of the detection module 10, and when the spherical hinge unit 22 is close to the moving end of the telescopic unit 21, the measurement of a signal value in a larger range is facilitated; the use of interpolation calculation is facilitated, when the spherical hinge unit 22 is close to the detection module, accurate mechanical measurement is facilitated, and the method is equivalent to that the detection module 10 slightly moves due to the fact that the moving end of the telescopic unit 21 moves greatly;

it should be noted that, in the embodiment of the present application, when the ball-joint unit 22 on the moving rod 23 is located at the moving end of the telescopic unit 21 and at one side of the detection module 10, the analysis principle and the application formula are consistent.

It should be noted that, in the embodiment of the present application, the moving ends of the telescopic units 21 have a one-to-one correspondence rule with the positions of the detection modules 10, and can be solved through numerical transformation.

It should be noted that, in the embodiment of the present application, the moving direction and the moving size of the moving end connecting rod 23 of the telescopic unit 21 are the result of the at least three sets of telescopic units 21 acting together.

The detection points, i.e., the signal detection positions, are all based on the position of the detection module 10, and are not related to the length of the rod.

Preferably, the detection module 10 is connected to the moving rod 23 to detect the sensitive signal.

It should be noted that, in the embodiments of the present application, the connection includes a direct connection and an indirect connection;

the direct connection is that the detection module 10 is connected with the movable rod 23, the signal wire is positioned in the connecting rod, and the other end of the signal wire is connected with the signal collection unit; the indirect connection is the presence of a sealing means, a high temperature resistant means, etc. between the detection module 10 and the mobile bar 23.

It should be noted that, in the embodiment of the present application, it is optimal that the detection module 10 is located at one end of the moving rod 23, while it is not excluded that the detection module 10 is located at another position of the moving rod 23, but the position is located in the three-dimensional space;

it should be noted that, in the embodiment of the present application, the moving rod 23 is at least partially located in the three-dimensional space enclosed by the module to be inspected 40;

it should be noted that, in the embodiment of the present application, the end of the moving rod 23 may be curved or arbitrarily folded, and the end of the moving rod 23 may be non-linear.

Preferably, the detection module 10 comprises a sensor for detecting the single signal value of the sensitive signal, which comprises temperature, pressure, humidity, light, sound.

It should be noted that, in the embodiments of the present application, the sensor is also referred to as a detection device, and the sensitive signal refers to a sensor that can detect a response value in a short time.

It should be noted that, in the embodiment of the present application, the measured temperature value is a specific example of the single signal value, and the single signal value may be a temperature value, a pressure value, a humidity value, and the like.

It should be noted that the single signal value is a value that can be read directly on the signal collection unit 33 by a sensor.

Preferably, the method of solving for said signal values comprises at least one set of said single signal values or a mean of said single signal values or an interpolation of said single signal values.

It should be noted that, in the embodiment of the present application, when the path plan is set such that all positions are not repeated according to the position, accuracy, and time setting of the measured signal value, and the single signal value of the position can be read by the sensor, the single signal value at the position can be taken as the signal value;

when there is a repeated position measurement, for example, the detection module 10 moves from the middle to one end, and returns to the middle position after reaching the limit position, the process has two single signal values at the same position as required, the signal value at a certain position may use the average of the two single signal values, or the change of the signal value at the required position may be calculated by interpolation or probability statistics after multiple measurements.

Preferably, the mean value of the single signal values is an average value of a plurality of sets of the single signal values at the same position or in the vicinity thereof;

the interpolation of the single signal values is to obtain a time-varying prediction value by a plurality of groups of single signal values at the same position at different times or obtain a prediction value of an undetected area by a plurality of groups of single signal values at different positions.

In the embodiment of the present application, the mean value at the same position is obtained by neglecting the influence of the time factor, the moving rod 23 swings, the sum of all the single signal values at the position is repeatedly measured for a plurality of times divided by the number of times of repeated measurement, or the moving rod does not swing to obtain the value of a certain key point, the real-time change of the single signal value appears at the key point, and the change is summed and then averaged or the mean value of all the points near the certain key point is obtained as the signal value of the key point.

It should be noted that, most of the interpolation values of the single signal values are predicted values, and may be predicted values of the single signal values of the key points changing with time at the same position, for example: in the process of temperature rise, if the temperature at the moment of 300s is known to be 299 ℃, the temperature at the moment of 400s is known to be 401 ℃, and the temperature at the moment of 500s is known to be 500 ℃, the temperature value at the moment of 600s can be predicted to be about 600 ℃ by using the data fitting curve, and the larger the data volume of the known data is, the more accurate the data fitting is, and the more accurate the predicted temperature value is.

It should be noted that, at different positions, during the arc motion of the end of the moving rod 23 having the detection module 10, the single signal values of the points of the traveled distance are known, and the single signal values of the non-traveled distance may be interpolated and fitted according to the known single signal values to fit the single signal values of the unknown region, for example: the single signal value in the (3,4,5) XYZ coordinate is 40 ℃, the single signal value in the (3,5,5) coordinate is 50 ℃, the single signal value in the (3,6,6) coordinate is 60 ℃, and the single signal value at the (3,8,5) position is 80 ℃ as found by fitting a curve.

Preferably, said module to be inspected 40 is of the channel-like type and internally forms said three-dimensional space closed or semi-closed, such as a fluidized bed or a cyclone or a boiler or a conventional pipe.

It should be noted that, in the embodiment of the present application, the three-dimensional space is a region in which carbon nanotubes grow inside the fluidized bed reactor.

It should be noted that, the present invention is not limited to the above-mentioned devices, and may also be a dust remover or other related chemical equipment;

the three-dimensional space may be a mixture of air and particles, a solution, or another substance having fluidity.

It should be noted that in the conventional pipeline, sensitive parameters such as humidity and pressure can be tested according to requirements.

The channel-like structure refers to a structure similar to a channel, in which substances of different forms can flow, and different positions of a three-dimensional space enclosed in the channel have different sensitive signals.

It should be noted that, in the process of detecting and maintaining pipelines or equipment, the detection module end of the movable rod can be inserted into the equipment for measurement after punching, and the position is sealed after detection is finished.

Preferably, the control module 30 comprises a signal collecting unit 31, a motion control unit 32, the signal collecting unit 31 is used for collecting the single signal value of the detection module 10;

the motion control unit 32 is used for controlling the motion trajectory of the motion module 20.

It should be noted that, in the embodiment of the present application, the single signal value collected by the signal collection unit 31 is a measured value at a certain position at that time.

It should be noted that, in the embodiment of the present application, the motion control unit 32 controls at least three sets of telescopic units, and the telescopic amount of the telescopic unit 21 forms different tracks, where the tracks are in a one-to-one correspondence relationship.

It should be noted that in the present embodiment, the motion control unit 32 can implement a movement relative to the ball-and-socket unit 22 to measure a single signal value at different depths within the module to be inspected 40.

It should be noted that, in the embodiment of the present application, the trajectory may be manually or may be pre-planned according to a programmable program.

It should be noted that, in this embodiment of the application, under the condition that the movement trajectory can realize that the ball pivot unit 22 and the moving rod 23 are relatively stationary, a single signal value of an arc is measured first, then all signal values of an arc are modified, and finally, with respect to the ball pivot unit 22, the moving rod 23 performs a small movement to realize layered measurement in a three-dimensional space, where a layered plane is an arc, and of course, the layered plane may also be a plane.

It should be noted that the trajectory may also be set to be not measured repeatedly, and the trajectory may be set according to different requirements.

Preferably, the control module 30 further comprises a signal processing unit 33, and the signal processing unit 33 is configured to process statistics and operations of the collected single signal values.

It should be noted that, in the embodiment of the present application, the signal processing unit 33 has a storage medium and a programmable control program, and can store signal data and process the signal data.

It should be noted that, in the embodiment of the present application, the signal processing unit 33 may implement the solution of the signal value of some key points, and may also implement the signal value of any position.

The working principle and the working process of the invention are as follows:

firstly, setting the track of the detection module 10, controlling the telescopic unit 21 to perform telescopic motion by the motion control unit 32, and enabling the moving rod 23 to perform motion by the comprehensive motion of different telescopic units 21, so that the detection module 10 end of the moving rod 23 performs motion in a three-dimensional space in the module to be detected 40;

the detection module 10 transmits the single signal value of the position point to the signal collection unit 31;

the signal collection unit 31 transmits the single signal value to the signal processing unit 33 for storage and processing, and the signal value of the position point required for calculation is solved.

It should be noted that, in this document, 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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.