CN113607239A - Man-machine interaction method and system for realizing hybrid contact type radar level meter - Google Patents
Man-machine interaction method and system for realizing hybrid contact type radar level meter Download PDFInfo
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- CN113607239A CN113607239A CN202110787070.6A CN202110787070A CN113607239A CN 113607239 A CN113607239 A CN 113607239A CN 202110787070 A CN202110787070 A CN 202110787070A CN 113607239 A CN113607239 A CN 113607239A
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- 230000003993 interaction Effects 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand gestures
Abstract
The invention discloses a human-computer interaction method and a human-computer interaction system for realizing a hybrid contact radar level gauge, wherein in non-contact interaction, an infrared sensing assembly comprises a plurality of infrared sensors which are arranged into a closed image array to form a three-dimensional infrared sensing area, and a shielding track corresponding to operation is executed by an infrared sensing area induction adapting device body; when a shielding object is arranged in the infrared induction area, a shielding track is formed through the unidirectional movement of the shielding object in a set time period; and enabling the equipment body to execute corresponding operation according to the shielding track, and feeding back to the display screen for display after obtaining the measurement result. The invention combines contact type interaction and non-contact type interaction, defines the shielding track for executing operation by utilizing an infrared induction technology in the non-contact type interaction, realizes small investment, can realize non-contact type interaction control through a specific shielding track, and improves the convenience of man-machine interaction of the radar level meter.
Description
Technical Field
The invention relates to the technical field of position measurement, in particular to a man-machine interaction method and a man-machine interaction system for realizing a hybrid contact type radar level meter.
Background
The radar level gauge is an intelligent instrument for measuring level by adopting microwave technology. The radar level meter can realize non-contact measurement, has no easily damaged parts, has strong aging resistance, is not influenced by pressure, vacuum or temperature, is suitable for the severe measurement environments of flammability, explosiveness, high temperature, viscosity, strong corrosivity and the like, is particularly suitable for the measurement of large storage tanks, and is widely applied to the fields of electric power, petrifaction, metallurgy, chemical industry and the like in recent years.
The existing radar level gauge generally has three man-machine interaction modes, wherein the first mode is interaction through display and keys, the second mode is interaction through HART communication, and the third mode is interaction through Bluetooth wireless communication. The display and the keys can directly interact with the radar level meter, but when the radar level meter works normally, due to the waterproof or explosion-proof requirement, the display and the keys are isolated by a protective cover with glass, and key operation cannot be carried out. HART communication and bluetooth wireless communication all need dedicated handheld device, and the price is higher, carries inconveniently.
Disclosure of Invention
The embodiment of the application provides a human-computer interaction method and a human-computer interaction system for realizing the hybrid contact type radar level meter, solves the technical problem of inconvenient operation caused by single contact type interaction control in the background technology, and realizes hybrid contact type human-computer interaction by adding a shielding identification technology, so that the convenience of the human-computer interaction of the radar level meter is improved.
In a first aspect, an embodiment of the present application provides a human-computer interaction method for implementing a hybrid contact radar level gauge, where the radar level gauge includes an apparatus body, an infrared sensing assembly, a key assembly, and a display screen; the method comprises the following steps: realizing a contact interaction method and a non-contact interaction method;
in the contact type interaction, receiving an operation signal of the key assembly, executing corresponding operation according to the operation signal of the key to which the corresponding number belongs based on the number which is preset in the key assembly and is adapted to the equipment body to execute the corresponding operation, and feeding back the operation signal to the display screen for display after obtaining a measurement result;
in non-contact interaction, the infrared sensing assembly comprises a plurality of infrared sensors which are arranged into a closed image array to form a three-dimensional infrared sensing area, and a shielding track for the equipment body to execute corresponding operation is adapted through the induction of the infrared sensing area; when a shielding object is arranged in the infrared induction area, a shielding track is formed through the unidirectional movement of the shielding object in a set time period; the contactless interaction comprises the following steps:
s1: receiving signal data of the infrared sensor with preset numbers in an infrared sensing area;
s2: sequentially judging whether the infrared sensor to which each number belongs is shielded or not according to the signal data, judging whether the infrared sensor meets the induction setting requirement or not according to the current shielding state, if so, executing a step S3, and if not, returning to the step S1;
s3: recording the number, time and signal data of the currently shielded infrared sensor, starting timing operation, and entering a shielding track identification state; and receiving other shielding states which are different from the recorded shielding states in the set time period, acquiring the shielding track of the shielding states in the set time period so as to enable the equipment body to execute corresponding operations according to the shielding track, and feeding back the measurement results to the display screen for displaying.
Furthermore, relative position information is preset between the infrared sensors in the infrared sensing area, and based on signal data generated by the shielding states of the infrared sensors in the time sequence, the moving direction of the shielding track of the shielding object in the infrared sensing area is acquired, so that the equipment body is driven to execute corresponding operations.
Further, the step S1 further includes: and each infrared sensor in the infrared sensing area periodically scans and detects the shielding state.
Further, the infrared sensing assembly comprises three infrared sensors, wherein a triangular array is formed among the three infrared sensors arranged in a closed image array, two of the infrared sensors are located at the same height, and the three infrared sensors are not located on the same straight line and the same height plane;
and when the infrared sensor moves horizontally in a one-way mode or moves vertically in a one-way mode, the moving direction of the shielding track in the infrared sensing area is obtained according to the signal data and the relative position data of the infrared sensor with the corresponding numbers.
Further, the infrared sensor adopts an infrared reflection type photosensitive sensor;
when the shielding object is not arranged in the infrared sensing area, no sensing signal exists;
when the shielding object enters the infrared sensing area, the infrared reflection type photosensitive sensor sends out infrared light which is blocked to form light reflection, and the infrared reflection type photosensitive sensor senses the infrared reflection type photosensitive sensor to output signal data.
Further, the shielding tracks are consistent with the functions of the keys, so that the type number of the shielding tracks is consistent with the number of the keys.
In a second aspect, the present application provides a human-computer interaction system for implementing a hybrid contact radar level gauge, using the method of the first aspect, the system comprising:
the signal receiving unit is used for receiving an operation signal of a key corresponding to the number in the key assembly in contact type interaction; receiving signal data of the infrared sensor with preset numbers in an infrared sensing area in non-contact interaction;
a judging unit: in the non-contact interaction, whether the infrared sensor to which each number belongs is shielded or not is sequentially judged according to the signal data, whether the infrared sensor meets the induction setting requirement or not is judged according to the current shielding state,
the recording execution unit is configured to record the number, time and signal data of the currently shielded infrared sensor in the non-contact interaction, start timing operation and enter a shielding track identification state; receiving other shielding states different from the recorded shielding states in a set time period, acquiring a shielding track of the shielding states in the set time period so as to enable the equipment body to execute corresponding operations according to the shielding track, and feeding back the measurement result to the display screen for displaying after the measurement result is acquired; in the contact interaction, corresponding operation is executed according to the operation signal of the key to which the corresponding number belongs, and after a measurement result is obtained, the measurement result is fed back to the display screen for display;
the man-machine interaction method and the system for realizing the hybrid contact radar level gauge have the following technical effects: utilize infrared inductor to form three-dimensional infrared induction region, reduced response identification space, utilize the specific orbit that shelters from, simplify the gesture recognition among the contactless interaction, compare the gesture recognition among the current image recognition, this application also utilizes infrared induction also can realize gesture recognition, and the identification process is simpler, and the cost is lower. Based on the mixed contact type interaction, the contact type and the non-contact type can be realized, the use mode of the radar level meter is enlarged, and an operator can conveniently select an interaction mode according to the requirement.
Drawings
FIG. 1 is a schematic flow chart of a human-computer interaction method for implementing a hybrid contact radar level gauge in embodiment 1;
FIG. 2 is a schematic structural diagram of a radar level gauge for implementing a man-machine interaction method of a hybrid contact radar level gauge in embodiment 1;
FIG. 3 is a diagram illustrating trajectory definition in the case where the occlusion object is a palm in embodiment 1;
FIG. 4 is a timing chart of the movement of each occlusion track in embodiment 1.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort. For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
Example one
Referring to fig. 1-4, the present application provides a human-computer interaction method for implementing a hybrid contact radar level gauge, which is based on a radar level gauge including a device body 4, an infrared sensing assembly, a key assembly 6, and a display screen 5. The man-machine interaction method realized by the embodiment comprises a contact interaction method and a non-contact interaction method. The display 5 in the present embodiment may be, but is not limited to, a liquid crystal display.
In the contact interaction, an operation signal of the key assembly 6 is received, a number for adapting the device body 4 to execute a corresponding operation is preset in the key assembly 6, the corresponding operation is executed according to the operation signal of the key to which the corresponding number belongs, and after a measurement result is obtained, the measurement result is fed back to the display screen 5 for display.
In the non-contact interaction, the infrared sensing assembly comprises a plurality of infrared sensors which are arranged into a closed image array to form a three-dimensional infrared sensing area, and a shielding track corresponding to the operation is executed by the infrared sensing area sensing adaptive equipment body 4; when a shielding object is arranged in the infrared sensing area, a shielding track is formed through the unidirectional movement of the shielding object in a set time period. The contactless interaction may comprise the steps of:
step S1: and receiving signal data of the infrared sensors with preset numbers in the infrared sensing area. Further, each infrared sensor in the infrared sensing area in this step periodically scans and detects the shielding state. Preferably, the scanning detection is performed with a period of 1 ms.
Step S2: and sequentially judging whether the infrared sensor to which each number belongs is shielded or not according to the signal data, judging whether the infrared sensor meets the induction setting requirement or not according to the current shielding state, if so, executing the step S3, and otherwise, returning to the step S1.
Step S3: recording the number, time and signal data of the currently shielded infrared sensor, starting timing operation, and entering a shielding track identification state; and receiving other shielding states which are different from the recorded shielding states in the set time period, and acquiring the shielding track of the shielding states in the set time period so as to enable the equipment body to execute corresponding operations according to the shielding track, and feeding the corresponding operations back to the display screen 5 for displaying after the measurement result is acquired.
Relative position information is preset between the infrared sensors in the infrared sensing area in the embodiment, and based on signal data generated by the shielding states of the infrared sensors in the time sequence, the moving direction of a shielding track of a shielding object in the infrared sensing area is acquired, and the equipment body is driven to execute corresponding operation.
Further by way of example, the infrared sensing assembly in this embodiment includes three infrared sensors, wherein a triangular array is formed between the three infrared sensors arranged in the closed image array, and two of the three infrared sensors are located at the same height, and the three infrared sensors are not on the same straight line and are not on the same height plane; and when the infrared sensor moves horizontally in a one-way mode or moves vertically in a one-way mode, the moving direction of the shielding track in the infrared sensing area is obtained according to the signal data and the relative position data of the infrared sensors with the corresponding numbers.
Further, the three infrared sensors are respectively: a first infrared sensor 1, a second infrared sensor 2 and a third infrared sensor 3. The specific identification operation is as follows:
when the shielding object is translated from left to right, the first infrared sensor 1 first generates signal data, the third infrared sensor 3 generates signal data after a first set time period t1, and the second infrared sensor 2 generates signal data after a second set time period t2, and the shielding object moved to right is sequentially detected by different infrared sensors. When the shielding object is translated from right to left, the second infrared sensor 2 first generates signal data, the third infrared sensor 3 generates signal data after a first set time period t1, and the first infrared sensor 1 generates signal data after a second set time period t2, and the shielding object moved to left is sequentially detected by different infrared sensors. When the shielding object is translated upward from below, the first infrared sensor 1 and the second infrared sensor 2 first generate signal data, and the third infrared sensor 3 generates signal data after a third set time period t 3. When the occluding object is translated from the top down, the third infrared sensor 3 first generates signal data, and the first infrared sensor 1 and the second infrared sensor 2 generate signal data over a third set time period t 3. It can be seen that, in this embodiment, the occlusion trajectory is obtained by analyzing the signal data generated by the occlusion state in the time sequence of the infrared sensor. In addition, in the present embodiment, the occlusion object includes, but is not limited to, a hand, and as shown in fig. 3, a trajectory definition diagram when the occlusion object is a palm is provided, and a gesture of a specific occlusion trajectory is given.
Further, the infrared sensor in this embodiment adopts an infrared reflective photosensor; when no shielding object is arranged in the infrared sensing area, no sensing signal exists; when the shielding object enters the infrared sensing area, the infrared reflection type photosensitive sensor sends out infrared light which is blocked to form light reflection, and the infrared reflection type photosensitive sensor senses the light reflection and outputs signal data.
The shielding tracks in the embodiment have the same action with the keys, so that the type number of the shielding tracks is the same as the number of the keys. Further, the operations performed in the radar level gauge may include, but are not limited to, several function settings, "confirm", "return", "increase", "decrease", which when using contact interaction form a definition of keys including a confirm key, a return key, an increase key, a decrease key. Corresponding to the contactless interaction, there may be a definition that a right movement is defined as a confirmation key, a left movement is defined as a return key, an up movement is defined as an increase key, and a down movement is defined as a decrease key. By means of the corresponding relation between the non-contact interaction and the contact interaction, the non-contact operation and the contact operation have the same effect, two operation use functions of the non-contact and contact man-machine interaction are achieved, and particularly the display page is convenient to switch.
Example two
The embodiment of the application provides a human-computer interaction system for realizing a hybrid contact type radar level gauge, and the human-computer interaction system is realized based on the radar level gauge.
The radar level gauge comprises: equipment body 4, infrared induction component, button subassembly 6 and display screen 5.
The key assembly 6 comprises a plurality of keys which are adaptive to the equipment body 4 to execute corresponding operations and are used for realizing contact type man-machine interaction of the radar level meter;
the infrared sensing assembly comprises a plurality of infrared sensors which are arranged into a closed image array, and an infrared sensing area of a three-dimensional space is formed for realizing non-contact human-computer interaction of the radar level meter; the infrared induction area is used for inducing a shielding track of the adaptive equipment body 4 for executing corresponding operation, and the shielding track is consistent with the action of the keys; when a shielding object is arranged in the infrared sensing area, a shielding track is formed through the unidirectional movement of the shielding object in a set time period.
The device body 4 is respectively connected with the keys, the infrared sensor and the display screen 5, receives operation signals of the keys or receives sensing signals generated by the infrared sensor, executes measurement operation of the radar level meter, and feeds back the received operation signals or sensing signals and measurement results to the display screen 5 for display.
Further, the human-computer interaction system in this embodiment includes:
the signal receiving unit is used for receiving an operation signal of a key of the corresponding number in the key assembly 6 in contact type interaction; and receiving signal data of the infrared sensor with the preset number in the infrared sensing area in non-contact interaction.
A judging unit: and in the non-contact interaction, whether the infrared sensor to which each number belongs is shielded or not is sequentially judged according to the signal data, and whether the infrared sensor meets the induction setting requirement or not is judged according to the current shielding state.
The recording execution unit is configured to record the number, time and signal data of the currently shielded infrared sensor in the non-contact interaction, start timing operation and enter a shielding track identification state; receiving other shielding states which are different from the recorded shielding states in a set time period, acquiring a shielding track of the shielding states in the set time period so as to enable the equipment body to execute corresponding operations according to the shielding track, and feeding back the measurement result to the display screen 5 for displaying after the measurement result is acquired; in the contact interaction, corresponding operation is executed according to the operation signal of the key to which the corresponding number belongs, and after the measurement result is obtained, the measurement result is fed back to the display screen 5 for display.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The man-machine interaction method for realizing the hybrid contact type radar level gauge is characterized in that the radar level gauge comprises an equipment body, an infrared sensing assembly, a key assembly and a display screen; the method comprises the following steps: realizing a contact interaction method and a non-contact interaction method;
in the contact type interaction, receiving an operation signal of the key assembly, executing corresponding operation according to the operation signal of the key to which the corresponding number belongs based on the number which is preset in the key assembly and is adapted to the equipment body to execute the corresponding operation, and feeding back the operation signal to the display screen for display after obtaining a measurement result;
in non-contact interaction, the infrared sensing assembly comprises a plurality of infrared sensors which are arranged into a closed image array to form a three-dimensional infrared sensing area, and a shielding track for the equipment body to execute corresponding operation is adapted through the induction of the infrared sensing area; when a shielding object is arranged in the infrared induction area, a shielding track is formed through the unidirectional movement of the shielding object in a set time period; the contactless interaction comprises the following steps:
s1: receiving signal data of the infrared sensor with preset numbers in an infrared sensing area;
s2: sequentially judging whether the infrared sensor to which each number belongs is shielded or not according to the signal data, judging whether the infrared sensor meets the induction setting requirement or not according to the current shielding state, if so, executing a step S3, and if not, returning to the step S1;
s3: recording the number, time and signal data of the currently shielded infrared sensor, starting timing operation, and entering a shielding track identification state; and receiving other shielding states which are different from the recorded shielding states in the set time period, acquiring the shielding track of the shielding states in the set time period so as to enable the equipment body to execute corresponding operations according to the shielding track, and feeding back the measurement results to the display screen for displaying.
2. The human-computer interaction method for realizing the hybrid contact radar level gauge according to claim 1, wherein relative position information is preset between the infrared sensors in the infrared sensing region, and based on signal data generated by the shielding states of the infrared sensors in a time sequence, the moving direction of the shielding track of the shielding object in the infrared sensing region is obtained, so as to drive the device body to perform corresponding operations.
3. The human-computer interaction method for implementing a hybrid contact radar level gauge according to claim 1, wherein said step S1 further comprises: and each infrared sensor in the infrared sensing area periodically scans and detects the shielding state.
4. The method of claim 2, wherein the infrared sensing assembly comprises three infrared sensors, wherein a triangular array is formed between the three infrared sensors arranged in the closed image array, and wherein two of the infrared sensors are located at the same height, and the three infrared sensors are not located on the same line and the same height plane;
and when the infrared sensor moves horizontally in a one-way mode or moves vertically in a one-way mode, the moving direction of the shielding track in the infrared sensing area is obtained according to the signal data and the relative position data of the infrared sensor with the corresponding numbers.
5. The method of claim 4, wherein the infrared sensor is an infrared reflective type photo sensor;
when the shielding object is not arranged in the infrared sensing area, no sensing signal exists;
when the shielding object enters the infrared sensing area, the infrared reflection type photosensitive sensor sends out infrared light which is blocked to form light reflection, and the infrared reflection type photosensitive sensor senses the infrared reflection type photosensitive sensor and outputs signal data.
6. The human-computer interaction method of implementing a hybrid contact radar level gauge according to claim 1, wherein the occlusion trajectory coincides with the effect of the keys such that the number of types of the occlusion trajectory coincides with the number of keys.
7. Human-computer interaction system for implementing a hybrid contact radar level gauge, characterized in that, using the method of any one of claims 1 to 6, the system comprises:
the signal receiving unit is used for receiving an operation signal of a key corresponding to the number in the key assembly in contact type interaction; receiving signal data of the infrared sensor with preset numbers in an infrared sensing area in non-contact interaction;
a judging unit: in the non-contact interaction, whether the infrared sensor to which each number belongs is shielded or not is sequentially judged according to the signal data, whether the infrared sensor meets the induction setting requirement or not is judged according to the current shielding state,
the recording execution unit is configured to record the number, time and signal data of the currently shielded infrared sensor in the non-contact interaction, start timing operation and enter a shielding track identification state; receiving other shielding states different from the recorded shielding states in a set time period, acquiring a shielding track of the shielding states in the set time period so as to enable the equipment body to execute corresponding operations according to the shielding track, and feeding back the measurement result to the display screen for displaying after the measurement result is acquired; and in the contact interaction, corresponding operation is executed according to the operation signal of the key to which the corresponding number belongs, and the measurement result is fed back to the display screen for display after being obtained.
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