CN113358153A - Tea frying mechanical rotation detection system - Google Patents
Tea frying mechanical rotation detection system Download PDFInfo
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- CN113358153A CN113358153A CN202110588942.6A CN202110588942A CN113358153A CN 113358153 A CN113358153 A CN 113358153A CN 202110588942 A CN202110588942 A CN 202110588942A CN 113358153 A CN113358153 A CN 113358153A
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Abstract
The invention relates to a tea frying machine rotation detection system, which comprises: an electric control tea frying machine comprises a packaging shell, an electric cabinet, a balance bolt, an inductive switch, a foot rest structure, a stainless steel inner cylinder, a nylon wheel body, a manual ignition switch and a humidity measuring device; the angle detection mechanism is arranged in the rotating shaft of the stainless steel inner cylinder and used for measuring the current rotating angle of the stainless steel inner cylinder; and the picture capturing mechanism is embedded in the wall of the stainless steel inner cylinder and is used for executing multiple picture capturing operations on a tea rolling scene in the stainless steel inner cylinder in a 360-degree rotation period based on the received rotation deviation angle. The tea frying machine rotation detection system is compact in structure and convenient to operate. Due to the fact that a targeted visual acquisition mechanism for acquiring a captured picture reflecting the whole scene inside the barrel can be introduced, various states in the whole scene inside the barrel are analyzed and alarmed, and various abnormal tea frying scenes are avoided.
Description
Technical Field
The invention relates to the field of machining, in particular to a tea frying mechanical rotation detection system.
Background
Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining.
The machining allowance refers to the total thickness of the metal layer cut off on a certain machined surface in the process of changing the blank into a finished product, and is called the total machining allowance of the surface. The thickness of the metal layer removed in each process is referred to as the inter-process allowance. For the rotating surfaces such as the outer circle and the hole, the machining allowance is considered from the diameter, so the machining allowance is called as a symmetrical allowance (namely, a double-edge allowance), namely, the thickness of the metal layer which is actually cut off is half of the machining allowance on the diameter. The machining allowance of the plane is a unilateral allowance which is equal to the thickness of the metal layer which is actually cut off. The purpose of leaving the machining allowance on the workpiece is to remove machining errors and surface defects left in the previous process, such as a casting surface cold hard layer, air holes, a sand inclusion layer, an oxide skin, a decarburized layer and surface cracks on the surface of a forged piece, an internal stress layer after cutting machining, surface roughness and the like. Thereby improving the precision and surface roughness of the workpiece. The size of the machining allowance has great influence on the machining quality and the production efficiency.
The machining allowance is too large, so that the labor amount of machining is increased, the productivity is reduced, the consumption of materials, tools and power is increased, and the machining cost is increased. If the machining allowance is too small, various defects and errors of the previous procedure can not be eliminated, and clamping errors during machining of the procedure can not be compensated, so that waste products are caused. The selection principle is to make the margin as small as possible on the premise of ensuring the quality. Generally, the more finishing, the smaller the process margin.
At present, at the in-process that uses tea frying machinery to carry out tealeaves in the section of thick bamboo and roll stir-fry, because the barrel is in constantly upset state, consequently hardly acquires the picture of catching that can reflect the inside whole scene of barrel, and then can't carry out the analysis to various states in the inside whole scene of barrel, for example, can't carry out witnessed inspections and analysis to incomplete tealeaves occupation ratio and polypide existence quantity in the inside whole scene of barrel, lead to stir-fry tea finished product quality not good.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a rotation detection system of a tea frying machine, which can introduce a targeted visual acquisition mechanism for acquiring a captured picture reflecting the whole scene in the barrel, analyze various states in the whole scene in the barrel on the basis, and further execute corresponding alarm operation, thereby providing guarantee for the quality of finished tea frying products.
Compared with the prior art, the invention has the following three prominent substantive characteristics:
(1) introducing an angle detection mechanism arranged in a rotating shaft of a stainless steel inner cylinder, wherein the angle detection mechanism is used for measuring the current rotating angle of the stainless steel inner cylinder, the current rotating angle is a rotating deviation angle relative to the stainless steel inner cylinder at a default position, and simultaneously introducing a picture capturing mechanism which is used for executing multiple picture capturing operations of tea rolling scenes in the stainless steel inner cylinder in a 360-degree rotating period based on the received rotating deviation angle so as to obtain multiple corresponding rolling scene pictures, thereby completing effective picture extraction of the whole body environment of the stainless steel inner cylinder;
(2) analyzing the proportion of the residual leaves occupying all tea leaves in the effective picture of the whole body environment of the stainless steel inner cylinder, and executing alarm operation related to excessive residual leaves when the proportion obtained by analysis exceeds the limit;
(3) and analyzing the detected number of the worms in the effective picture of the whole body environment of the stainless steel inner cylinder, and executing alarm operation related to excessive worms when the detected number of the worms exceeds the limit.
According to an aspect of the present invention, there is provided a tea frying machine rotation detecting system, the system comprising:
an electric control tea frying machine comprises a packaging shell, an electric cabinet, a balance bolt, an inductive switch, a foot rest structure, a stainless steel inner cylinder, a nylon wheel body, a manual ignition switch and a humidity measuring device.
More specifically, in the tea frying machine rotation detecting system:
in the electric control tea frying machine, the stainless steel inner cylinder is of a cylinder structure, the casting material is 304 stainless steel material, and the packaging shell is used for wrapping the stainless steel inner cylinder.
More specifically, in the tea frying machine rotation detecting system:
in the electric control tea frying machine, the nylon wheel body is arranged between the packaging shell and the stainless steel inner cylinder.
More specifically, in the tea frying machine rotation detecting system:
in the electric control tea frying machine, the manual ignition switch, the inductive switch and the packaging shell are arranged on the foot rest structure, and the packaging shell is connected with the foot rest structure through a balance bolt.
More specifically, in the tea frying machine rotation detecting system, the system further comprises:
the angle detection mechanism is arranged in a rotating shaft of the stainless steel inner cylinder and used for measuring the current rotating angle of the stainless steel inner cylinder, and the current rotating angle is a rotating deviation angle relative to the stainless steel inner cylinder at a default position;
the picture capturing mechanism is embedded in the wall of the stainless steel inner cylinder, is connected with the angle detection mechanism, and is used for executing multiple picture capturing operations on tea rolling scenes in the stainless steel inner cylinder in a 360-degree rotation period based on the received rotation deviation angle so as to obtain multiple corresponding rolling scene pictures;
the insect body identification device is connected with the picture capture mechanism and used for obtaining the rolling scene pictures and identifying the number of the insect body objects in each rolling scene picture so as to accumulate the total amount of the number of the insect body objects in the rolling scene pictures to be output as a first collection total amount;
the residual leaf identification device is connected with the picture capture mechanism and is used for obtaining the rolling scene pictures, identifying the number of residual leaf objects and the number of complete tea leaf objects in each rolling scene picture, accumulating the total amount of the number of residual leaf objects in the rolling scene pictures to be used as a second collection total amount, and accumulating the total amount of the number of complete tea leaf objects in the rolling scene pictures to be used as a third collection total amount;
the first alarm mechanism is connected with the residual leaf identification equipment and used for sending out a residual leaf excessive instruction when the ratio obtained by dividing the second collection total amount by the sum of the second collection total amount and the third collection total amount exceeds a set ratio threshold value;
the second alarm mechanism is connected with the worm body identification equipment and is used for sending out a worm body identification instruction when the received first collection total amount is more than or equal to 1;
wherein identifying the number of the residual leaf objects and the number of the complete tea leaf objects in each of the rolling scene pictures to accumulate a total amount of the number of the residual leaf objects in the plurality of rolling scene pictures as a second collection total amount, and accumulating a total amount of the number of the complete tea leaf objects in the plurality of rolling scene pictures as a third collection total amount includes: taking the tea leaf object with the similarity between the geometric shape and the standard complete tea leaf outline in each rolling scene picture exceeding a set percentage limit as a complete tea leaf object;
wherein identifying the number of the residual leaf objects and the number of the complete tea leaf objects in each of the rolling scene pictures to accumulate a total amount of the number of the residual leaf objects in the plurality of rolling scene pictures as a second collection total amount, and accumulating a total amount of the number of the complete tea leaf objects in the plurality of rolling scene pictures as a third collection total amount includes: taking the tea leaf object with the geometric shape and the similarity of the standard complete tea leaf outline in each rolling scene picture not exceeding the set percentage limit as a residual leaf object;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: executing one-time picture capturing operation on a tea leaf rolling scene in the stainless steel inner cylinder when the received rotation deviation angle changes by a preset angle difference value so as to obtain a corresponding one-time rolling scene picture;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: 360 degrees is an integral multiple of the preset angle difference;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: performing an integer multiple of picture capture operations of the tea leaf tumbling scenes in the stainless steel inner barrel within one 360 degree rotation period based on the received rotational deviation angle to obtain a corresponding integer multiple of tumbling scene pictures.
The tea frying machine rotation detection system is compact in structure and convenient to operate. Due to the fact that a targeted visual acquisition mechanism for acquiring a captured picture reflecting the whole scene inside the barrel can be introduced, various states in the whole scene inside the barrel are analyzed and alarmed, and various abnormal tea frying scenes are avoided.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a schematic external structure view of a prior art tea frying machine according to the present invention.
Detailed Description
The following describes in detail an embodiment of the rotation detecting system of the tea frying machine according to the present invention with reference to the accompanying drawings.
Tea leaf machinery refers to the machinery used to process tea leaves. The tea leaf stem picking machine comprises a tea leaf picking machine, a wrapping and rubbing machine, a bale breaker, a foam screening machine, a green rocking machine, a deironing machine, a stem picking machine, a circular screening machine, a slitting mill, a polishing machine, a deblocking machine, a carding machine, a curling machine, a grading machine, a tea frying machine, a baking machine, a fragrance extracting machine screening machine, a green removing machine, a hot blast furnace, a drying machine, a twisting machine, a racking machine, an inner film machine, a tea leaf stem picking machine and a vacuum packaging machine.
For example, the rolling machine is a machine with a mature structure in tea processing, the common models are 25 models, 30 models, 35 models and the like, and the pressurizing forms include a heavy hammer type and a single-column screw rod. The rolling machine transfers power by a V-belt, and a new belt is preferably replaced at the end of the year for ensuring the normal operation in the next year. The section model of the belt is consistent with that of the wheel groove, so that the correct position of the triangular belt section in the wheel groove is ensured. The new installed v-belt may have an outer edge slightly above the rim. When a new belt is installed or in later operation, the tension degree of the new belt is kept appropriate, the belt is easy to damage and the bearing is easy to heat if the new belt is too tight, and the belt slips when the new belt is too loose. In general, the tension of the V-belt is preferably about 15 mm which can be pressed by the thumb. The maintenance of the mechanical reduction gearbox and the bearing can refer to the maintenance of a roller fixation machine.
Fig. 1 is a schematic external structure view of a prior art tea frying machine according to the present invention.
At present, at the in-process that uses tea frying machinery to carry out tealeaves in the section of thick bamboo and roll stir-fry, because the barrel is in constantly upset state, consequently hardly acquires the picture of catching that can reflect the inside whole scene of barrel, and then can't carry out the analysis to various states in the inside whole scene of barrel, for example, can't carry out witnessed inspections and analysis to incomplete tealeaves occupation ratio and polypide existence quantity in the inside whole scene of barrel, lead to stir-fry tea finished product quality not good.
In order to overcome the defects, the invention builds a tea frying mechanical rotation detection system, and can effectively solve the corresponding technical problem.
According to the embodiment of the invention, the rotation detection system of the tea frying machine comprises:
an electric control tea frying machine comprises a packaging shell, an electric cabinet, a balance bolt, an inductive switch, a foot rest structure, a stainless steel inner cylinder, a nylon wheel body, a manual ignition switch and a humidity measuring device.
Next, the specific structure of the rotation detecting system of the tea frying machine according to the present invention will be further described.
In the tea frying mechanical rotation detection system:
in the electric control tea frying machine, the stainless steel inner cylinder is of a cylinder structure, the casting material is 304 stainless steel material, and the packaging shell is used for wrapping the stainless steel inner cylinder.
In the tea frying mechanical rotation detection system:
in the electric control tea frying machine, the nylon wheel body is arranged between the packaging shell and the stainless steel inner cylinder.
In the tea frying mechanical rotation detection system:
in the electric control tea frying machine, the manual ignition switch, the inductive switch and the packaging shell are arranged on the foot rest structure, and the packaging shell is connected with the foot rest structure through a balance bolt.
The tea frying machine rotation detection system can also comprise:
the angle detection mechanism is arranged in a rotating shaft of the stainless steel inner cylinder and used for measuring the current rotating angle of the stainless steel inner cylinder, and the current rotating angle is a rotating deviation angle relative to the stainless steel inner cylinder at a default position;
the picture capturing mechanism is embedded in the wall of the stainless steel inner cylinder, is connected with the angle detection mechanism, and is used for executing multiple picture capturing operations on tea rolling scenes in the stainless steel inner cylinder in a 360-degree rotation period based on the received rotation deviation angle so as to obtain multiple corresponding rolling scene pictures;
the insect body identification device is connected with the picture capture mechanism and used for obtaining the rolling scene pictures and identifying the number of the insect body objects in each rolling scene picture so as to accumulate the total amount of the number of the insect body objects in the rolling scene pictures to be output as a first collection total amount;
the residual leaf identification device is connected with the picture capture mechanism and is used for obtaining the rolling scene pictures, identifying the number of residual leaf objects and the number of complete tea leaf objects in each rolling scene picture, accumulating the total amount of the number of residual leaf objects in the rolling scene pictures to be used as a second collection total amount, and accumulating the total amount of the number of complete tea leaf objects in the rolling scene pictures to be used as a third collection total amount;
the first alarm mechanism is connected with the residual leaf identification equipment and used for sending out a residual leaf excessive instruction when the ratio obtained by dividing the second collection total amount by the sum of the second collection total amount and the third collection total amount exceeds a set ratio threshold value;
the second alarm mechanism is connected with the worm body identification equipment and is used for sending out a worm body identification instruction when the received first collection total amount is more than or equal to 1;
wherein identifying the number of the residual leaf objects and the number of the complete tea leaf objects in each of the rolling scene pictures to accumulate a total amount of the number of the residual leaf objects in the plurality of rolling scene pictures as a second collection total amount, and accumulating a total amount of the number of the complete tea leaf objects in the plurality of rolling scene pictures as a third collection total amount includes: taking the tea leaf object with the similarity between the geometric shape and the standard complete tea leaf outline in each rolling scene picture exceeding a set percentage limit as a complete tea leaf object;
wherein identifying the number of the residual leaf objects and the number of the complete tea leaf objects in each of the rolling scene pictures to accumulate a total amount of the number of the residual leaf objects in the plurality of rolling scene pictures as a second collection total amount, and accumulating a total amount of the number of the complete tea leaf objects in the plurality of rolling scene pictures as a third collection total amount includes: taking the tea leaf object with the geometric shape and the similarity of the standard complete tea leaf outline in each rolling scene picture not exceeding the set percentage limit as a residual leaf object;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: executing one-time picture capturing operation on a tea leaf rolling scene in the stainless steel inner cylinder when the received rotation deviation angle changes by a preset angle difference value so as to obtain a corresponding one-time rolling scene picture;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: 360 degrees is an integral multiple of the preset angle difference;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: performing an integer multiple of picture capture operations of the tea leaf tumbling scenes in the stainless steel inner barrel within one 360 degree rotation period based on the received rotational deviation angle to obtain a corresponding integer multiple of tumbling scene pictures.
In the tea frying mechanical rotation detection system:
the first alarm mechanism is also used for sending a normal instruction of the residual leaves when the ratio obtained by dividing the second collection total amount by the sum of the second collection total amount and the third collection total amount does not exceed the set ratio threshold.
In the tea frying mechanical rotation detection system:
and the second alarm mechanism is also used for sending out an unrecognized worm command when the received first collection total amount is less than 1.
In the tea frying mechanical rotation detection system:
in the electric control tea frying machine, the manual ignition switch is connected with the electric control box and used for triggering an ignition command of the electric control box under manual operation.
In the tea frying mechanical rotation detection system:
in the electric control tea frying machine, the humidity measuring equipment is arranged in the wall of the stainless steel inner cylinder and used for measuring the internal humidity of the stainless steel inner cylinder, and the electric cabinet is arranged above the packaging shell.
In addition, in the electric control tea frying machine in the tea frying machine rotation detection system, the manual ignition switch is also used for triggering a closing command of the electric control box under manual operation;
wherein, under manual operation, realizing the trigger to the ignition order of the electric cabinet comprises: the electric control box triggers the starting operation of the rolling action of the stainless steel inner cylinder when receiving an ignition command;
and the manual ignition switch is also used for triggering a closing command of the electric cabinet under manual operation, and comprises the following steps: and the electric control box triggers the turning-over operation of the stainless steel inner cylinder when receiving a turning-off command.
While this invention has been described in terms of preferred embodiments, there are alterations, permutations, and equivalents, which fall within the scope of this invention. It should also be noted that there are many alternative ways of implementing the processes and apparatuses of the present invention. It is therefore intended that the invention be interpreted to include all such alterations, permutations, and equivalents as fall within the true spirit and scope of the present invention.
Claims (9)
1. A tea frying machine rotation detection system, characterized in that the system comprises:
an electric control tea frying machine comprises a packaging shell, an electric cabinet, a balance bolt, an inductive switch, a foot rest structure, a stainless steel inner cylinder, a nylon wheel body, a manual ignition switch and a humidity measuring device.
2. The rotation detecting system of tea frying machine as claimed in claim 1, wherein:
in the electric control tea frying machine, the stainless steel inner cylinder is of a cylinder structure, the casting material is 304 stainless steel material, and the packaging shell is used for wrapping the stainless steel inner cylinder.
3. The rotation detecting system of tea frying machine as claimed in claim 2, wherein:
in the electric control tea frying machine, the nylon wheel body is arranged between the packaging shell and the stainless steel inner cylinder.
4. The rotation detecting system of tea frying machine as claimed in claim 3, wherein:
in the electric control tea frying machine, the manual ignition switch, the inductive switch and the packaging shell are arranged on the foot rest structure, and the packaging shell is connected with the foot rest structure through a balance bolt.
5. The system for detecting rotation of a tea frying machine as claimed in claim 4, wherein said system further comprises:
the angle detection mechanism is arranged in a rotating shaft of the stainless steel inner cylinder and used for measuring the current rotating angle of the stainless steel inner cylinder, and the current rotating angle is a rotating deviation angle relative to the stainless steel inner cylinder at a default position;
the picture capturing mechanism is embedded in the wall of the stainless steel inner cylinder, is connected with the angle detection mechanism, and is used for executing multiple picture capturing operations on tea rolling scenes in the stainless steel inner cylinder in a 360-degree rotation period based on the received rotation deviation angle so as to obtain multiple corresponding rolling scene pictures;
the insect body identification device is connected with the picture capture mechanism and used for obtaining the rolling scene pictures and identifying the number of the insect body objects in each rolling scene picture so as to accumulate the total amount of the number of the insect body objects in the rolling scene pictures to be output as a first collection total amount;
the residual leaf identification device is connected with the picture capture mechanism and is used for obtaining the rolling scene pictures, identifying the number of residual leaf objects and the number of complete tea leaf objects in each rolling scene picture, accumulating the total amount of the number of residual leaf objects in the rolling scene pictures to be used as a second collection total amount, and accumulating the total amount of the number of complete tea leaf objects in the rolling scene pictures to be used as a third collection total amount;
the first alarm mechanism is connected with the residual leaf identification equipment and used for sending out a residual leaf excessive instruction when the ratio obtained by dividing the second collection total amount by the sum of the second collection total amount and the third collection total amount exceeds a set ratio threshold value;
the second alarm mechanism is connected with the worm body identification equipment and is used for sending out a worm body identification instruction when the received first collection total amount is more than or equal to 1;
wherein identifying the number of the residual leaf objects and the number of the complete tea leaf objects in each of the rolling scene pictures to accumulate a total amount of the number of the residual leaf objects in the plurality of rolling scene pictures as a second collection total amount, and accumulating a total amount of the number of the complete tea leaf objects in the plurality of rolling scene pictures as a third collection total amount includes: taking the tea leaf object with the similarity between the geometric shape and the standard complete tea leaf outline in each rolling scene picture exceeding a set percentage limit as a complete tea leaf object;
wherein identifying the number of the residual leaf objects and the number of the complete tea leaf objects in each of the rolling scene pictures to accumulate a total amount of the number of the residual leaf objects in the plurality of rolling scene pictures as a second collection total amount, and accumulating a total amount of the number of the complete tea leaf objects in the plurality of rolling scene pictures as a third collection total amount includes: taking the tea leaf object with the geometric shape and the similarity of the standard complete tea leaf outline in each rolling scene picture not exceeding the set percentage limit as a residual leaf object;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: executing one-time picture capturing operation on a tea leaf rolling scene in the stainless steel inner cylinder when the received rotation deviation angle changes by a preset angle difference value so as to obtain a corresponding one-time rolling scene picture;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: 360 degrees is an integral multiple of the preset angle difference;
wherein performing a plurality of picture capturing operations of a tea leaf tumbling scene in a cylinder of the stainless steel inner cylinder within one 360-degree rotation period based on the received rotation deviation angle to obtain a corresponding plurality of tumbling scene pictures comprises: performing an integer multiple of picture capture operations of the tea leaf tumbling scenes in the stainless steel inner barrel within one 360 degree rotation period based on the received rotational deviation angle to obtain a corresponding integer multiple of tumbling scene pictures.
6. The rotation detecting system of tea frying machine as claimed in claim 5, wherein:
the first alarm mechanism is also used for sending a normal instruction of the residual leaves when the ratio obtained by dividing the second collection total amount by the sum of the second collection total amount and the third collection total amount does not exceed the set ratio threshold.
7. The rotation detecting system of tea frying machine as claimed in claim 5, wherein:
and the second alarm mechanism is also used for sending out an unrecognized worm command when the received first collection total amount is less than 1.
8. The rotation detecting system of tea frying machine as claimed in claim 5, wherein:
in the electric control tea frying machine, the manual ignition switch is connected with the electric control box and used for triggering an ignition command of the electric control box under manual operation.
9. The rotation detecting system of tea frying machine as claimed in claim 5, wherein:
in the electric control tea frying machine, the humidity measuring equipment is arranged in the wall of the stainless steel inner cylinder and used for measuring the internal humidity of the stainless steel inner cylinder, and the electric cabinet is arranged above the packaging shell.
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Effective date of registration: 20220606 Address after: 515548 west of the intersection of 107 County Road and 206 National Road, Xinheng Town, Jiedong District, Jieyang City, Guangdong Province Applicant after: Jieyang Yuexin Tea Industry Co.,Ltd. Address before: 750000 Ningxia Vocational Education Park, Wencui Road, Xixia District, Yinchuan City, Ningxia Hui Autonomous Region Applicant before: Yang Chunyan |
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Denomination of invention: Mechanical rotation detection system for stir frying tea Effective date of registration: 20230717 Granted publication date: 20220624 Pledgee: Bank of China Limited Jieyang branch Pledgor: Jieyang Yuexin Tea Industry Co.,Ltd. Registration number: Y2023980048561 |
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