CN218099408U - Automobile wire harness and automobile wire harness detection device - Google Patents
Automobile wire harness and automobile wire harness detection device Download PDFInfo
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- CN218099408U CN218099408U CN202221835245.2U CN202221835245U CN218099408U CN 218099408 U CN218099408 U CN 218099408U CN 202221835245 U CN202221835245 U CN 202221835245U CN 218099408 U CN218099408 U CN 218099408U
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Abstract
The utility model relates to a vehicle detection technical field discloses a car pencil and car pencil detection device, and this car pencil includes: the sensor comprises an inner conductor, an insulating layer, a shielding layer, a sheath and a sensitive element; the outer side of the inner conductor is wrapped with an insulating layer, the outer side of the insulating layer is wrapped with a shielding layer, the sheath wraps the shielding layer, and the sensitive element is arranged between the insulating layer and the shielding layer and penetrates through the automobile wire harness to be used for collecting the current state of the automobile wire harness and obtaining a state detection signal. Because the utility model provides a car pencil is through setting up sensing element between insulating layer and shielding layer, can gather the current state of car pencil, obtains the state detected signal to can be when car pencil breaks down, there is the trouble through state detected signal instruction car pencil, compare in prior art just to carry out the mode that detects to car pencil when the car breaks down, can in time discover the trouble, effectively avoided the potential safety hazard.
Description
Technical Field
The utility model relates to a vehicle detection technology field especially relates to a car pencil and car pencil detection device.
Background
The automobile wire harness is a network main body of an automobile circuit, is a neural system for automobile power and signal transmission and distribution, and organically connects a central control part with an automobile control unit, an electric and electronic execution unit and an electric device together to form a complete automobile electric appliance electric control system. At present, the automobile wire harness is detected only when the automobile breaks down, and the detection mode cannot find the automobile wire harness in time when the automobile wire harness breaks down, so that potential safety hazards exist for the whole automobile and passengers.
The above is only for the purpose of assisting understanding of the technical solutions of the present invention, and does not represent an admission that the above is the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a car pencil and car pencil detection device, aims at solving prior art and just can detect the car pencil when the car breaks down, and the trouble that can't in time discover to appear, has the technical problem of potential safety hazard to the whole car and the personnel of taking.
In order to achieve the above object, the utility model provides a car pencil, the car pencil includes: the sensor comprises an inner conductor, an insulating layer, a shielding layer, a sheath and a sensitive element;
the outer side of the inner conductor is wrapped with the insulating layer, the outer side of the insulating layer is wrapped with the shielding layer, the sheath wraps the shielding layer, and the sensitive element is arranged between the insulating layer and the shielding layer and penetrates through the automobile wire harness;
the sensing element is used for acquiring the current state of the automobile wire harness and obtaining a state detection signal.
Further, in order to realize the above-mentioned purpose, the utility model also provides an automobile wire harness detection device, affiliated automobile wire harness detection device includes: the system comprises a conversion module, a control module, a warning module and the automobile wire harness;
the conversion module is respectively connected with the automobile wire harness and the control module, and the control module is connected with the warning module;
the conversion module is used for converting the state detection signal acquired by the sensitive element into a digital detection signal and outputting the digital detection signal to the control module;
the control module is used for generating a level trigger signal according to the digital detection signal and lightening the warning module according to the level trigger signal so that the warning module indicates that the wire harness has a fault.
Optionally, the conversion module comprises: the device comprises a sensitive resistor, a divider resistor, a pull-up resistor, an adjusting resistor, a filter capacitor and a conversion chip;
the VCC end of the conversion chip is connected with a power supply voltage;
the GND end of the conversion chip is grounded;
the AC end of the conversion chip is respectively connected with the first end of the filter capacitor, the first end of the sensitive resistor and the first end of the divider resistor, the second end of the filter capacitor and the second end of the sensitive resistor are grounded, and the second end of the divider resistor is respectively connected with the power supply voltage, the first fixing pin of the regulating resistor and the first end of the pull-up resistor;
the IN end of the conversion chip is connected with the movable pin of the adjusting resistor, the first fixed pin of the adjusting resistor is respectively connected with the power voltage and the first end of the pull-up resistor, and the second fixed pin of the adjusting resistor is grounded;
and the OUT end of the conversion chip is connected with the second end of the pull-up resistor, the second end of the pull-up resistor outputs level voltage, and the level voltage is input to the input end of the control module.
Optionally, the alert module comprises: the device comprises a controller, a wire harness tail end warning lamp and an instrument warning lamp;
the input end of the wire harness tail end warning lamp is connected with the output end of the control module, the input end of the controller is connected with the output end of the control module, and the output end of the controller is connected with the instrument warning lamp;
the controller is used for receiving the level trigger signal generated by the control module and lightening the instrument warning lamp according to the level trigger signal so as to enable the instrument warning lamp to indicate that the automobile wire harness has a fault;
the control module is further used for generating a level trigger signal according to the digital detection signal and lightening the wire harness tail end warning lamp according to the level trigger signal so that the wire harness tail end warning lamp indicates that a fault exists in a corresponding area of the automobile wire harness.
Optionally, the automotive wiring harness includes: the system comprises a driver door wiring harness assembly, an auxiliary driver door wiring harness assembly and an engine cabin wiring harness assembly;
the tail ends of the driver door wiring harness assembly, the auxiliary driver door wiring harness assembly and the engine cabin wiring harness assembly are connected with the wiring harness tail end warning lamp.
Optionally, the terminal warning light of pencil and the instrument warning light all include: the first indicator light, the second indicator light and the third indicator light;
the first indicator lamp is used for indicating that the existing fault is overhigh temperature of the wiring harness when being lightened;
the second indicator light is used for indicating that the existing fault is serious harness abrasion when being lightened;
and the third indicator light is used for indicating that the existing fault is the aging of the wiring harness when being lightened.
Furthermore, in order to realize the above object, the utility model also provides an automobile wiring harness detection device, equipment includes above-mentioned any one automobile wiring harness detection device.
Furthermore, in order to realize the above purpose, the utility model also provides an automobile wiring harness detection system, affiliated system includes above automobile wiring harness detection equipment.
The utility model provides a car pencil is through setting up sensing element between insulating layer and shielding layer, can gather the current state of car pencil, obtains the state detected signal to can be when car pencil breaks down, there is the trouble through state detected signal instruction car pencil, compare in prior art just to carry out the mode that detects to car pencil when the car breaks down, can in time discover the trouble, effectively avoided the potential safety hazard.
Drawings
Fig. 1 is a schematic structural diagram of an automotive wire harness proposed by the present invention;
fig. 2 is a block diagram of the first embodiment of the automotive harness detection device of the present invention;
FIG. 3 is a schematic circuit diagram of a basic switching circuit of a switching module in the automotive wiring harness detection device of the present invention;
fig. 4 is a block diagram of a second embodiment of the detection device for detecting a wire harness according to the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The technical solution of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all embodiments obtained by those skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that the description relating to "first", "second", etc. in the embodiments of the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly including at least one of the features. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an automobile wire harness according to an embodiment of the present invention.
As shown in fig. 1, the present embodiment provides an automotive wire harness including: the sensor comprises an inner conductor 1, an insulating layer 2, a shielding layer 3, a sheath 4 and a sensitive element 5; the outer side of the inner conductor 1 is wrapped with an insulating layer 2, the outer side of the insulating layer 2 is wrapped with a shielding layer 3, a sheath 4 wraps the shielding layer 3, and the sensitive element 5 is arranged between the insulating layer 2 and the shielding layer 3 and penetrates through an automobile wire harness.
It should be noted that the sensing element 5 may be a special electronic element capable of sensitively sensing physical information (such as a temperature of the wiring harness, a wear pressure of the wiring harness, etc.) of the automotive wiring harness and converting the physical information into an electrical signal, such as a photo resistor, a temperature sensitive resistor, a photo resistor, etc., which is not limited in this embodiment.
It is understood that the above-mentioned physical information of the automobile harness may be the current state information of the automobile harness, and the state information may include physical information such as harness temperature information, harness pressure information, etc.
In a specific implementation, the sensing element 5 in the automobile wire harness can acquire the current state of the automobile wire harness, and convert the acquired state into a corresponding electric signal as a state detection signal.
The utility model provides a car pencil is through setting up sensing element between insulating layer and shielding layer, can gather the current state of car pencil, obtains the state detected signal to can be when car pencil breaks down, there is the trouble through state detected signal instruction car pencil, compare in prior art just to carry out the mode that detects to car pencil when the car breaks down, can in time discover the trouble, effectively avoided the potential safety hazard.
Based on above-mentioned car wiring harness, provide the utility model discloses car wiring harness detection device's first embodiment.
Referring to fig. 2, fig. 2 is a block diagram of a first embodiment of the automotive harness detection device of the present invention.
In this embodiment, the automobile wire harness detection device includes: the automobile wire harness 100, the conversion module 200, the control module 300 and the warning module 400 are described above, wherein the conversion module 200 is connected with the automobile wire harness 100 and the control module 300 respectively, and the control module 300 is connected with the warning module 400.
The conversion module 200 is configured to convert the state detection signal acquired by the sensing element into a digital detection signal, and output the digital detection signal to the control module 300.
It should be noted that the state detection signal may be an analog signal that reflects the current state of the automotive wiring harness as described above, because the analog signal has a weak anti-interference capability, the analog signal may be interfered by various noises from the outside and inside the device during transmission along the line, and the noise and the signal are difficult to separate after mixing, so that the signal quality is reduced, and the longer the line is, the more the noise is accumulated, so the state detection signal needs to be converted into a corresponding digital signal, i.e., a digital detection signal, to eliminate the influence of the noise and improve the anti-interference capability.
In a specific implementation, the automobile wire harness detection device can convert the state detection signal into a digital detection signal through a basic conversion circuit formed by electronic components in the conversion module.
Referring to fig. 3, fig. 3 is a schematic circuit diagram of a basic switching circuit of a switching module in the automotive wiring harness detection device of the present invention.
As shown in fig. 3, the conversion module includes a sensing resistor R0, a voltage dividing resistor R1, a pull-up resistor R2, an adjusting resistor R3, a filter capacitor C1, and a conversion chip U1, and the basic conversion circuit is taken as an example in this embodiment and the following embodiments.
It should be noted that the conversion chip U1 may be a chip having an analog-to-digital conversion function, such as an LM324 chip, an LM393 chip, a Ua741 chip, and the like, which is not limited in this embodiment.
It can be understood that the sensing resistor is R0, the sensing element in the automobile wire harness may be formed by connecting a plurality of sensing resistors in parallel, in this embodiment, 1 sensing resistor is taken as an example, and as for the plurality of sensing resistors, the principle is similar to that of the plurality of sensing resistors.
It should be noted that the VCC terminal of the conversion chip U1 is connected to a power supply voltage, the GND terminal of the conversion chip U1 is grounded, the AC terminal of the conversion chip U1 is connected to the first terminal of the filter capacitor C1, the first terminal of the sensing resistor R0 and the first terminal of the voltage dividing resistor R1, the second terminal of the filter capacitor C1 and the second terminal of the sensing resistor R0 are grounded, the second terminal of the voltage dividing resistor R1 is connected to the power supply voltage, the first fixed pin of the adjusting resistor R3 and the first terminal of the pull-up resistor R2, the IN terminal of the conversion chip U1 is connected to the movable pin of the adjusting resistor R3, the first fixed pin of the adjusting resistor R3 is connected to the power supply voltage and the first terminal of the pull-up resistor R2, the second fixed pin of the adjusting resistor R3 is grounded, the OUT terminal of the conversion chip U1 is connected to the second terminal of the pull-up resistor R2, the second terminal of the pull-up resistor R2 outputs a level voltage, and the Vout level voltage input terminal of the Vout input module controls the Vout voltage input terminal.
IN the specific implementation, the sensitive resistor R0 senses physical information of the automobile wire harness, changes the resistance value according to the physical information, converts the changed resistance value into a changed voltage signal, transmits the changed voltage signal to the AC terminal of the conversion chip U1, the conversion chip UI compares the voltage signal at the AC terminal with the reference voltage at the IN terminal of the conversion chip, when the voltage signal at the AC terminal is greater than the reference voltage signal at the IN terminal, the OUT terminal of the conversion chip U1 outputs a high-level voltage signal Vout, and then inputs the high-level voltage signal Vout into the control module, and when the voltage signal at the AC terminal is less than the reference voltage signal at the IN terminal, the OUT terminal of the conversion chip U1 outputs a low-level voltage signal Vout, and then inputs the low-level voltage signal Vout into the control module.
It should be noted that, when the voltage signal corresponding to the resistance value sensed by the sensing resistor through the automobile wiring harness is lower than the reference voltage signal, the low-level voltage signal at this time may be used to turn on the warning light, and the structure of the adjusting resistor may be adjusted according to the requirement to change the size of the reference voltage signal.
It is understood that the low level voltage and the high level voltage can be used as the digital detection signal.
The control module 300 is configured to generate a level trigger signal according to the digital detection signal, and light the warning module 400 according to the level trigger signal, so that the warning module 400 indicates that the wire harness has a fault.
It should be noted that the control module may be a module corresponding to the central control unit.
In a specific implementation, the level trigger signal may be a level signal for lighting the lamp, for example, when a voltage signal corresponding to a change in a resistance value sensed by the sensing resistor through the automobile harness is lower than a reference voltage, and a current state of the automobile harness has a fault at the time of the surface, the control module may generate a low level trigger signal according to a low level corresponding signal corresponding to the voltage signal, and light a warning lamp of the warning module by the low level trigger signal, so that the warning module indicates that the harness has the fault.
It should be understood that corresponding warning lamps can be arranged on the warning modules, and the warning lamps light the surface automobile wire harness to have faults, so that technicians are reminded of overhauling.
This embodiment converts the analog signal of car pencil into digital signal through conversion module's basic converting circuit, generates level trigger signal by conversion module according to this digital signal again to this level trigger signal lights warning module, thereby can be when car pencil breaks down, indicate that car pencil has the trouble through warning module, can in time discover car pencil breaks down, has improved maintenance efficiency.
Referring to fig. 4, fig. 4 is a block diagram of a second embodiment of the automotive wiring harness detection device according to the present invention.
Based on the first embodiment, in order to further determine where the fault exists in the automotive wiring harness, and improve the accuracy of detection, in this embodiment, the warning module 400 may include: a controller 401, a meter warning light 402, a harness end warning light 403.
The input end of the wire harness terminal warning lamp 403 is connected with the output end of the control module 300, the input end of the controller 401 is connected with the output end of the control module 300, and the output end of the controller 401 is connected with the instrument warning lamp 402.
The controller 401 is configured to receive the level trigger signal generated by the control module 300, and light the instrument warning light 402 according to the level trigger signal, so that the instrument warning light 402 indicates that the automobile wiring harness has a fault.
It should be noted that the instrument warning light can be arranged on an instrument panel of the automobile, and when the instrument warning light is turned on, technicians can visually perceive the instrument warning light.
It can be understood that the controller can light the warning lamp connected with the controller according to the level trigger signal. In order to better distinguish the instrument warning lamp and the wire harness tail end warning lamp by the control module, the controller can be introduced into the output end of the control module to receive the level trigger signal, so that the level trigger signal accurately controls the instrument warning lamp to be turned on through the controller.
The control module 300 is further configured to generate a level trigger signal according to the digital detection signal, and light the wire harness tail end warning lamp 403 according to the level trigger signal, so that the wire harness tail end warning lamp 403 indicates that a fault exists in a corresponding area of the automobile wire harness.
It should be noted that the automobile wire harness may include a driver door wire harness assembly, an auxiliary driver door wire harness assembly and an engine compartment wire harness assembly, wherein the driver door wire harness assembly, the auxiliary driver door wire harness assembly and the engine compartment wire harness assembly are all connected to the wire harness end warning lamp.
It can be understood that the tail end warning lamps of the wire harnesses at the driver door wire harness assembly, the auxiliary driver door wire harness assembly and the engine cabin wire harness assembly are turned on to indicate the position of the wire harness with a fault.
Further, in order to indicate the fault type of the wire harness and improve the efficiency of fault detection, in this embodiment, the warning lights of both the wire harness terminal warning light and the instrument warning light may include the first indicator light, the second indicator light and the third indicator light.
The first indicator lamp is used for indicating that the existing fault is overhigh temperature of the wiring harness when being lightened;
the second indicator light is used for indicating that the existing fault is serious abrasion of the wiring harness when being lightened;
and the third indicator light is used for indicating that the existing fault is the aging of the wiring harness when being lightened.
In concrete the realization, can set up the corresponding colour of each pilot lamp according to the trouble type of car pencil, more audio-visual instruction pencil is what kind of trouble, for example, car pencil high temperature can set up first pilot lamp and be red, and car pencil wearing and tearing can set up the second pilot lamp seriously and be green, and the ageing third pilot lamp that can set up of car pencil is yellow.
In this embodiment, can confirm through the instrument warning light that the car pencil breaks down to and the type of trouble, can confirm again according to the terminal warning light of pencil that where pencil has broken down, and the type of trouble, can in time confirm the problem of car pencil, and overhaul, thereby improved the efficiency of overhauing.
In order to realize the above purpose, the utility model provides a car wiring harness check out test set, car wiring harness check out test set includes as above-mentioned automotive technology detection device. The automobile wire harness detection device adopts all the technical schemes of all the embodiments, so that the automobile wire harness detection device at least has the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated.
In order to realize the above purpose, the utility model provides an automobile wire harness detection system, automobile wire harness detection system includes as above-mentioned automotive technology check out test set. The automobile wire harness detection system adopts all the technical schemes of all the embodiments, so that the automobile wire harness detection system at least has the beneficial effects brought by the technical schemes of the embodiments, and the details are not repeated.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (6)
1. An automotive wire harness, characterized by comprising: the sensor comprises an inner conductor, an insulating layer, a shielding layer, a sheath and a sensitive element;
the outer side of the inner conductor is wrapped with the insulating layer, the outer side of the insulating layer is wrapped with the shielding layer, the sheath wraps the shielding layer, and the sensitive element is arranged between the insulating layer and the shielding layer and penetrates through the automobile wire harness;
the sensing element is used for acquiring the current state of the automobile wire harness and obtaining a state detection signal.
2. An automobile wire harness detection device based on the automobile wire harness of claim 1, characterized in that the automobile wire harness detection device comprises: the system comprises a conversion module, a control module, a warning module and the automobile wire harness;
the conversion module is respectively connected with the automobile wire harness and the control module, and the control module is connected with the warning module;
the conversion module is used for converting the state detection signal acquired by the sensitive element into a digital detection signal and outputting the digital detection signal to the control module;
and the control module is used for generating a level trigger signal according to the digital detection signal and lightening the warning module according to the level trigger signal so as to enable the warning module to indicate that the wiring harness has a fault.
3. The automotive harness detection device of claim 2, wherein the conversion module comprises: the device comprises a sensitive resistor, a divider resistor, a pull-up resistor, an adjusting resistor, a filter capacitor and a conversion chip;
the VCC end of the conversion chip is connected with a power supply voltage;
the GND end of the conversion chip is grounded;
the AC end of the conversion chip is respectively connected with the first end of the filter capacitor, the first end of the sensitive resistor and the first end of the divider resistor, the second end of the filter capacitor and the second end of the sensitive resistor are grounded, and the second end of the divider resistor is respectively connected with the power supply voltage, the first fixing pin of the regulating resistor and the first end of the pull-up resistor;
the IN end of the conversion chip is connected with the movable pin of the adjusting resistor, the first fixed pin of the adjusting resistor is respectively connected with the power voltage and the first end of the pull-up resistor, and the second fixed pin of the adjusting resistor is grounded;
the OUT end of the conversion chip is connected with the second end of the pull-up resistor, the second end of the pull-up resistor outputs level voltage, and the level voltage is input to the input end of the control module.
4. The automotive harness detection device of claim 2, wherein the alert module comprises: the device comprises a controller, a wire harness tail end warning lamp and an instrument warning lamp;
the input end of the wire harness tail end warning lamp is connected with the output end of the control module, the input end of the controller is connected with the output end of the control module, and the output end of the controller is connected with the instrument warning lamp;
the controller is used for receiving the level trigger signal generated by the control module and lightening the instrument warning lamp according to the level trigger signal so as to enable the instrument warning lamp to indicate that a wire harness has a fault;
the control module is further used for generating a level trigger signal according to the digital detection signal and lightening the wiring harness tail end warning lamp according to the level trigger signal so that the wiring harness tail end warning lamp indicates that a fault exists in a corresponding area of the automobile wiring harness.
5. The automotive wiring harness detection device according to claim 4, wherein the automotive wiring harness includes: the system comprises a driver door wiring harness assembly, an auxiliary driver door wiring harness assembly and an engine cabin wiring harness assembly;
the tail ends of the driver door wiring harness assembly, the auxiliary driver door wiring harness assembly and the engine cabin wiring harness assembly are connected with the wiring harness tail end warning lamp.
6. The automotive wiring harness detection device according to any one of claims 4 to 5, wherein each of the wiring harness end warning lamp and the meter warning lamp comprises: the first indicator light, the second indicator light and the third indicator light;
the first indicator lamp is used for indicating that the existing fault is overhigh temperature of the wiring harness when being lightened;
the second indicator light is used for indicating that the existing fault is serious abrasion of the wiring harness when being lightened;
and the third indicator light is used for indicating that the existing fault is the aging of the wiring harness when being lightened.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835245.2U CN218099408U (en) | 2022-07-13 | 2022-07-13 | Automobile wire harness and automobile wire harness detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835245.2U CN218099408U (en) | 2022-07-13 | 2022-07-13 | Automobile wire harness and automobile wire harness detection device |
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| CN218099408U true CN218099408U (en) | 2022-12-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117039552A (en) * | 2023-08-11 | 2023-11-10 | 南通米兰特电气有限公司 | Flexible cable-based adjustable wire harness assembly and use method thereof |
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2022
- 2022-07-13 CN CN202221835245.2U patent/CN218099408U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117039552A (en) * | 2023-08-11 | 2023-11-10 | 南通米兰特电气有限公司 | Flexible cable-based adjustable wire harness assembly and use method thereof |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231225 Address after: 441000 Industrial Park Office Building, Dawan District, Xiangyang Dongjin New Area (Economic Development Zone), Xiangyang City, Hubei Province Patentee after: Hubei marpass Power Technology Co.,Ltd. Address before: No. 296, Luzhong Road, Xiangyang, Hubei Province Patentee before: HUBEI University OF ARTS AND SCIENCE |
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| TR01 | Transfer of patent right |