CN218888118U - Water immersion induction alarm system for battery replacing cabinet - Google Patents
Water immersion induction alarm system for battery replacing cabinet Download PDFInfo
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- CN218888118U CN218888118U CN202320147536.0U CN202320147536U CN218888118U CN 218888118 U CN218888118 U CN 218888118U CN 202320147536 U CN202320147536 U CN 202320147536U CN 218888118 U CN218888118 U CN 218888118U
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model relates to a trade electric cabinet water logging response alarm system includes: the water logging sensor, the water logging signal processing circuit, the shunt release and the leakage protector are connected in sequence; the water immersion sensor is arranged at the bottom of the cabinet body of the power exchange cabinet and used for sensing a water immersion signal of the power exchange cabinet and inputting the water immersion signal into the water immersion signal processing circuit; the water immersion signal processing circuit generates a current control signal according to the water immersion signal, and the shunt release trips according to the received current control signal, so that the leakage protector connected with the shunt release trips to achieve power failure of the power exchange cabinet. The utility model discloses obtain the state of soaking in the electricity changing cabinet through the water sensor on traditional intelligence electricity changing cabinet's basis, the outage of electricity leakage protector tripping operation realization electricity changing cabinet protects user's personal safety. Meanwhile, the water immersion signal is uploaded to the cloud end through the all-in-one machine, and the alarm signal is notified to an operator, so that the user can know the water immersion and the use state at any time.
Description
Technical Field
The utility model belongs to intelligence trades the electric cabinet field, concretely relates to trade electric cabinet water logging induction system.
Background
With the continuous progress of society, the petroleum resources are reduced day by day, the pollution of the atmospheric environment is serious, and the development of electric vehicles is paid more and more attention. The electric vehicle replaces the fuel vehicle, and different electric motorcycles, electric cars, electric buses, electric vans, electric taxis, etc. have been developed and gradually put into the market. The charging problem of the electric vehicle restricts the development of the electric vehicle, and various intelligent power change cabinets are provided for solving the charging problem of the electric vehicle. However, the battery replacement cabinet is generally formed by densely placing a plurality of groups of batteries, and the problem that people are injured due to electric leakage is easily caused in extreme weather of rainwater weather.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a trade electric cabinet water logging response alarm system. The to-be-solved technical problem of the utility model is realized through following technical scheme:
the utility model provides a trade electric cabinet water logging response alarm system, include: the water logging sensor, the water logging signal processing circuit, the shunt release and the leakage protector are connected in sequence;
the water immersion sensor is arranged at the bottom of the cabinet body of the power exchange cabinet and used for sensing a water immersion signal of the power exchange cabinet and inputting the water immersion signal into the water immersion signal processing circuit;
the water immersion signal processing circuit generates a current control signal according to the water immersion signal, and the shunt release trips according to the received current control signal, so that the leakage protector connected with the shunt release trips to achieve the power failure of the power exchange cabinet.
The utility model discloses an in an embodiment, be provided with two electrode probe on the water sensor, it is provided with two wiring pins to correspond on two electrode probe, two electrode probe are in trade the short circuit of battery cabinet soaking back, produce the water logging signal, the water sensor passes through two wiring pins are connected water logging signal processing circuit.
In an embodiment of the present invention, the water immersion signal processing circuit includes: a water sensor peripheral circuit and a central controller circuit;
the peripheral circuit of the water sensor generates a water immersion level signal according to the input water immersion signal, and the central controller circuit generates a current control signal according to the input water immersion level signal;
wherein the water sensor peripheral circuit comprises: the circuit comprises a first transistor, a second transistor, a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor and a sixth resistor;
a first pin of the water sensor is connected with a first end of the first resistor, a second end of the first resistor is connected with a power supply voltage end, a second pin of the water sensor is respectively connected with a first end of the second resistor and a first end of the third resistor, a second end of the second resistor is connected with a base electrode of the first transistor, and a second end of the third resistor is connected with a ground end;
a collector of the first transistor is respectively connected with a first end of the fourth resistor and a first end of the fifth resistor, a second end of the fifth resistor is connected with a base of the second transistor, and a second end of the fourth resistor and an emitter of the second transistor are both connected with the power supply voltage end;
the emitter of the first transistor is connected with the grounding terminal, and the sixth resistor is connected between the collector of the second transistor and the grounding terminal in series;
a collector of the second crystal triode is used as an output end of the peripheral circuit of the water sensor to output a water immersion level signal;
the central controller circuit includes: the circuit comprises an NMOS (N-channel metal oxide semiconductor) tube, a PMOS (P-channel metal oxide semiconductor) tube, a first Schottky diode, a second Schottky diode, a fuse, a seventh resistor, an eighth resistor, a ninth resistor and a tenth resistor;
the input end of the first Schottky diode is connected with the collector electrode of the second transistor, and the input end of the first Schottky diode is used as an SOAK signal IO interface of the central controller circuit to input the water immersion level signal;
the output end of the first Schottky diode is connected with the first end of the seventh resistor, and the second end of the seventh resistor is respectively connected with the first end of the tenth resistor and the grid electrode of the NMOS tube;
the drain electrode of the NMOS tube is connected with the first end of the eighth resistor, and the second end of the eighth resistor is respectively connected with the first end of the ninth resistor and the grid electrode of the PMOS tube;
the source electrode of the PMOS tube and the second end of the ninth resistor are both connected with a high-voltage end of a power supply, and the drain electrode of the PMOS tube is respectively connected with the output end of the second Schottky diode and the second end of the fuse;
the first end of the shunt release is connected with the first end of the fuse;
the second end of the tenth resistor, the source electrode of the NMOS tube, the input end of the second Schottky diode and the second end of the shunt release are respectively connected with the grounding end.
The utility model discloses an embodiment, the central controller circuit passes through serial communication and connects all-in-one, all-in-one inquires periodically the water logging level signal of SOAK signal IO interface input, when detecting the high level, will the water logging signal is uploaded to high in the clouds and is exported alarm signal and inform operating personnel.
In an embodiment of the present invention, the water immersion signal processing circuit further includes: a third Schottky diode; the input end of the third Schottky diode is used as a reserved OUT signal IO interface of the central controller circuit, and the output end of the third Schottky diode is connected with the first end of the seventh resistor;
the reserved OUT signal IO interface is used for connecting an external safety device, and the external safety device comprises: smoke alarms or temperature sensors.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a trade electric cabinet water logging response alarm system obtains the state of soaking in trading the electric cabinet through water logging sensor on traditional intelligence trades the basis of electric cabinet, and rethread water soaks signal processing circuit and handles the water logging signal, and water logging signal processing circuit produces current control signal and makes the shunt release trip that gets electricity, makes the earth leakage protector trip that is connected with the shunt release realize trading the outage of electric cabinet, protection user's personal safety. Simultaneously through all-in-one with the water logging signal upload to high in the clouds, inform operating personnel with alarm signal, make the user know at any time and soak and user state.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically illustrated below, and the detailed description is given in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a wiring diagram of a water immersion induction alarm system of a battery replacement cabinet provided by the embodiment of the utility model;
fig. 2 is a schematic structural view of a water immersion induction alarm system of the battery replacement cabinet provided by the embodiment of the utility model;
fig. 3 is a schematic structural diagram of a water sensor provided in an embodiment of the present invention;
fig. 4 is a water immersion signal processing circuit diagram of a water immersion induction alarm system for a battery replacement cabinet provided by the embodiment of the utility model.
Detailed Description
In order to further explain the technical means and effects of the present invention, the following description is combined with the drawings and the detailed description of the present invention to explain the water immersion induction alarm system of the battery replacement cabinet.
The foregoing and other technical contents, features and effects of the present invention will be apparent from the following detailed description of the preferred embodiments of the present invention when taken in conjunction with the accompanying drawings. The technical means and effects of the present invention to achieve the predetermined objects can be more deeply and specifically understood through the description of the specific embodiments, however, the attached drawings are only for reference and description and are not intended to limit the technical solution of the present invention.
Example one
Please refer to fig. 1 and fig. 2 in combination, fig. 1 is a wiring diagram of a water immersion induction alarm system of a battery replacement cabinet provided in an embodiment of the present invention; fig. 2 is a schematic structural view of a water immersion induction alarm system of the battery replacing cabinet provided by the embodiment of the utility model.
As shown in the figure, the utility model discloses a trade electric cabinet water logging response alarm system, include: the water logging sensor H1, the water logging signal processing circuit, the shunt release H2 and the leakage protector 2 are connected in sequence; the water immersion sensor H1 is arranged at the bottom of the cabinet body of the power exchange cabinet 1 and used for sensing a water immersion signal of the power exchange cabinet 1 and inputting the water immersion signal to the water immersion signal processing circuit; the water logging signal processing circuit generates a current control signal according to the water logging signal, and the shunt release H2 trips according to the received current control signal, so that the leakage protector 2 connected with the shunt release H2 trips to realize the power failure of the power exchange cabinet 1.
In this embodiment, the water immersion signal processing circuit includes: a water sensor peripheral circuit and a central controller circuit; the peripheral circuit of the water sensor generates a water immersion level signal according to the input water immersion signal, and the central controller circuit generates a current control signal according to the input water immersion level signal.
In this embodiment, the central controller circuit is connected to the all-in-one machine through serial port communication, the all-in-one machine is used as a connected external device to periodically query a water logging level signal input by an SOAK signal IO interface of the central controller circuit, and when a high level is detected, the water logging signal is uploaded to a cloud and an alarm signal is output to notify an operator, optionally, the all-in-one machine is a An Zhuobing all-in-one machine.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a water sensor according to an embodiment of the present invention;
as shown in the figure, in this embodiment, be provided with two electrode probe 3 on the water sensor H1, correspond on two electrode probe 3 and be provided with two wiring pins, two electrode probe 3 short circuits after trading battery cabinet 1 flooding, produce the water logging signal, water sensor H1 connects water logging signal processing circuit through two wiring pins.
In an alternative embodiment, the water sensor H1 uses the principle of liquid conduction to detect, and normally the two electrode probes 3 are insulated by air; the two electrode probes 3 are conducted in the submerged state. The water sensor H1 has simple and reasonable structure, high reliability and convenient operation. The water sensor H1 has the advantages of quick detection, real-time response, high precision, error not larger than one in a thousand, and good prevention effect on accidents.
Please refer to fig. 4, fig. 4 is a water immersion signal processing circuit diagram of a water immersion induction alarm system for a battery replacement cabinet according to an embodiment of the present invention.
As shown, in the present embodiment, the water sensor peripheral circuit includes: the circuit comprises a first transistor triode Q1, a second transistor triode Q2, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5 and a sixth resistor R6.
In this embodiment, a first pin of the water sensor H1 is connected to a first end of the first resistor R1, a second end of the first resistor R1 is connected to the power supply voltage terminal VDD, a second pin of the water sensor H1 is connected to a first end of the second resistor R2 and a first end of the third resistor R3, respectively, a second end of the second resistor R2 is connected to a base of the first transistor Q1, and a second end of the third resistor R3 is connected to the ground GND.
In this embodiment, a collector of the first transistor Q1 is connected to a first end of the fourth resistor R4 and a first end of the fifth resistor R5, respectively, a second end of the fifth resistor R5 is connected to a base of the second transistor Q2, and a second end of the fourth resistor R4 and an emitter of the second transistor Q15 are both connected to the supply voltage terminal VDD; the emitter of the first transistor Q1 is connected to the ground GND, and the sixth resistor R6 is connected in series between the collector of the second transistor Q2 and the ground GND.
In this embodiment, the collector of the second transistor Q2 is used as the output terminal of the peripheral circuit of the water sensor to output the water-logging level signal.
In this embodiment, the central controller circuit includes: NMOS pipe U1, PMOS pipe U2, first schottky diode D1, second schottky diode D2, fuse F2, seventh resistance R7, eighth resistance R8, ninth resistance R9 and tenth resistance R10.
In this embodiment, the input terminal of the first schottky diode D1 is connected to the collector of the second transistor Q2, and the input terminal of the first schottky diode D1 is used as an SOAK signal IO interface of the central controller circuit to input a water-logging level signal; the output end of the first schottky diode D1 is connected to the first end of the seventh resistor R7, and the second end of the seventh resistor R7 is connected to the first end of the tenth resistor R10 and the gate of the NMOS transistor U1, respectively.
In this embodiment, the drain of the NMOS transistor U1 is connected to the first end of the eighth resistor R8, and the second end of the eighth resistor R8 is connected to the first end of the ninth resistor R9 and the gate of the PMOS transistor U2, respectively.
In this embodiment, the source of the PMOS transistor U2 and the second end of the ninth resistor R9 are both connected to the power high voltage terminal PVCC, and the drain of the PMOS transistor U2 is connected to the output terminal of the second schottky diode D2 and the second end of the fuse F2, respectively.
In this embodiment, the second end of the tenth resistor R10, the source of the NMOS transistor U1, the input end of the second schottky diode D2, and the second end of the shunt release H2 are respectively connected to the ground GND.
In the present embodiment, the first end of the shunt release H2 is connected to the first end of the fuse F2.
In an optional embodiment, the fuse F2 is a self-recovery fuse for preventing the shunt release H2 from being burned out, and compared with a conventional resistive fuse, the fuse can be reused, has overcurrent and overheat protection, and can automatically recover without replacement.
In this embodiment, the water immersion signal processing circuit further includes: a third schottky diode D3; the input end of the third schottky diode D3 is used as a reserved OUT signal IO interface of the central controller circuit, and the output end is connected to the first end of the seventh resistor R7.
In an optional embodiment, the reserved OUT signal IO interface is used to connect an external security device, where the external security device includes: smoke alarms or temperature sensors. When the external safety equipment gives an alarm, the peripheral circuit of the external safety equipment outputs a level signal, the central controller circuit outputs a high level, and the shunt release H2 is tripped to connect the leakage protector 2 to trip and cut off the power.
It should be noted that the schottky diode is also called a fast recovery diode, and has a unidirectional conductivity as a common diode, and by utilizing the unidirectional conductivity, the first schottky diode D1 and the third schottky diode D3 serve as a unidirectional conductive protection device in the circuit, so that the water-logging level signal is transmitted in a unidirectional direction in the water-logging signal processing circuit; because the shunt release H2 is a magnetic load, the second Schottky diode D2 plays a role of follow current, and the NMOS tube U1 and the PMOS tube U2 are prevented from being broken down.
Exemplarily, the action flow of the water immersion induction alarm system for the battery replacement cabinet of the embodiment is as follows: under a normal state, the inside of the battery changing cabinet 1 is not soaked, wherein a point A is at a low level, and a base electrode of a first transistor Q1 is at a high level, so that the first transistor Q1 cannot be conducted; the point B is also high level, and similarly, the base of the second transistor Q2 is high level and can not be conducted; points C and D are both low levels, and the NMOS tube U1 cannot be conducted; point E is high level, that is, the gate of the PMOS transistor U2 is high level, which causes the PMOS transistor U2 to be unable to be turned on; therefore, no current passes through the shunt release H2, the connected leakage protector 2 does not trip, and the battery changing cabinet operates normally.
Under the soaking state, the inside of the battery replacing cabinet 1 is soaked, two electrode probes 3 of a water sensor H1 are in short circuit, the voltage of a point A is about 3.26V after the voltage division of a first resistor R1 of 1K omega and a third resistor R3 of 100K omega, and the voltage is high level; the base electrode of the first transistor Q1 is at a high level, and the first transistor Q1 is conducted; the point B is a low level, and similarly, the base electrode of the second transistor Q2 is a low level, and the second transistor Q2 is conducted; points C and D are both high level, and the NMOS tube U1 is conducted; point E is a low level, namely the grid electrode of the PMOS tube U2 is a low level, so that the PMOS tube U2 is conducted; therefore, current passes through the shunt release H2, the shunt release H2 trips, the connected leakage protector 2 trips, and the battery changing cabinet is powered off.
The utility model discloses trade electric cabinet water logging response alarm system, the state of soaking in the electricity cabinet of trading is obtained through water logging sensor on traditional intelligence trades the basis of electricity cabinet, and rethread water soaks signal processing circuit and handles the water logging signal, and water logging signal processing circuit produces current control signal and makes the shunt release trip that gets electricity, makes the earth leakage protector trip of being connected with the shunt release realize trading the outage of electricity cabinet, protection user's personal safety. Meanwhile, the water immersion signal is uploaded to the cloud end through the all-in-one machine, and the alarm signal is notified to an operator, so that the user can know the water immersion and the use state at any time.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or device that comprises a list of elements does not include only those elements but may include other elements not expressly listed. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in an article or device that comprises the element. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The directional or positional relationships indicated by "upper", "lower", "left", "right", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (5)
1. The utility model provides a trade electric cabinet water logging response alarm system which characterized in that includes: the water logging sensor (H1), the water logging signal processing circuit, the shunt release (H2) and the leakage protector (2) are connected in sequence;
the water immersion sensor (H1) is arranged at the bottom of the power exchange cabinet (1) and used for sensing a water immersion signal of the power exchange cabinet (1) and inputting the water immersion signal to the water immersion signal processing circuit;
the water immersion signal processing circuit generates a current control signal according to the water immersion signal, and the shunt release (H2) trips according to the received current control signal, so that the leakage protector (2) connected with the shunt release (H2) trips to achieve power failure of the power exchange cabinet (1).
2. The water immersion induction alarm system for the battery replacement cabinet as claimed in claim 1,
the water logging sensor is characterized in that two electrode probes (3) are arranged on the water logging sensor (H1), two wiring pins are correspondingly arranged on the two electrode probes (3), the two electrode probes (3) are in short circuit after the electricity exchange cabinet (1) is immersed in water to generate a water logging signal, and the water logging sensor (H1) is connected with the water logging signal processing circuit through the two wiring pins.
3. The water immersion induction alarm system for the battery changing cabinet according to claim 1, wherein the water immersion signal processing circuit comprises: a water sensor peripheral circuit and a central controller circuit;
the peripheral circuit of the water immersion sensor generates a water immersion level signal according to the input water immersion signal, and the central controller circuit generates a current control signal according to the input water immersion level signal;
wherein the water sensor peripheral circuit comprises: the circuit comprises a first transistor (Q1), a second transistor (Q2), a first resistor (R1), a second resistor (R2), a third resistor (R3), a fourth resistor (R4), a fifth resistor (R5) and a sixth resistor (R6);
a first pin of the water sensor (H1) is connected with a first end of the first resistor (R1), a second end of the first resistor (R1) is connected with a power supply voltage end (VDD), a second pin of the water sensor (H1) is respectively connected with a first end of the second resistor (R2) and a first end of the third resistor (R3), a second end of the second resistor (R2) is connected with a base electrode of the first transistor (Q1), and a second end of the third resistor (R3) is connected with a ground end (GND);
a collector of the first transistor (Q1) is connected with a first end of the fourth resistor (R4) and a first end of the fifth resistor (R5) respectively, a second end of the fifth resistor (R5) is connected with a base of the second transistor (Q2), and a second end of the fourth resistor (R4) and an emitter of the second transistor (Q15) are connected with the power supply voltage end (VDD);
the emitter of the first transistor (Q1) is connected with the ground terminal (GND), and the sixth resistor (R6) is connected between the collector of the second transistor (Q2) and the ground terminal (GND) in series;
a collector electrode of the second crystal triode (Q2) is used as an output end of the peripheral circuit of the water immersion sensor to output a water immersion level signal;
the central controller circuit includes: the circuit comprises an NMOS (N-channel metal oxide semiconductor) tube (U1), a PMOS (P-channel metal oxide semiconductor) tube (U2), a first Schottky diode (D1), a second Schottky diode (D2), a fuse (F2), a seventh resistor (R7), an eighth resistor (R8), a ninth resistor (R9) and a tenth resistor (R10);
the input end of the first Schottky diode (D1) is connected with the collector electrode of the second transistor (Q2), and the input end of the first Schottky diode (D1) is used as an SOAK signal IO interface of the central controller circuit to input the water immersion level signal;
the output end of the first Schottky diode (D1) is connected with the first end of the seventh resistor (R7), and the second end of the seventh resistor (R7) is respectively connected with the first end of the tenth resistor (R10) and the grid electrode of the NMOS tube (U1);
the drain electrode of the NMOS tube (U1) is connected with the first end of the eighth resistor (R8), and the second end of the eighth resistor (R8) is respectively connected with the first end of the ninth resistor (R9) and the grid electrode of the PMOS tube (U2);
a source electrode of the PMOS tube (U2) and a second end of the ninth resistor (R9) are both connected with a power supply high-voltage end (PVCC), and a drain electrode of the PMOS tube (U2) is respectively connected with an output end of the second Schottky diode (D2) and a second end of the fuse (F2);
the first end of the shunt release (H2) is connected with the first end of the fuse (F2);
the second end of the tenth resistor (R10), the source electrode of the NMOS tube (U1), the input end of the second Schottky diode (D2) and the second end of the shunt release (H2) are respectively connected with the grounding end (GND).
4. The water immersion induction alarm system for the battery changing cabinet as claimed in claim 3,
the central controller circuit is connected with the all-in-one machine through serial port communication, the all-in-one machine periodically inquires a water logging level signal input by the SOAK signal IO interface, and when a high level is detected, the water logging signal is uploaded to a cloud end and an alarm signal is output to inform an operator.
5. The water immersion induction alarm system for the battery changing cabinet as claimed in claim 3,
the water immersion signal processing circuit further includes: a third Schottky diode (D3); the input end of the third Schottky diode (D3) is used as a reserved OUT signal IO interface of the central controller circuit, and the output end of the third Schottky diode is connected with the first end of the seventh resistor (R7);
the reserved OUT signal IO interface is used for connecting an external safety device, and the external safety device comprises: smoke alarms or temperature sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147536.0U CN218888118U (en) | 2023-01-30 | 2023-01-30 | Water immersion induction alarm system for battery replacing cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147536.0U CN218888118U (en) | 2023-01-30 | 2023-01-30 | Water immersion induction alarm system for battery replacing cabinet |
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| CN218888118U true CN218888118U (en) | 2023-04-18 |
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| CN202320147536.0U Active CN218888118U (en) | 2023-01-30 | 2023-01-30 | Water immersion induction alarm system for battery replacing cabinet |
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- 2023-01-30 CN CN202320147536.0U patent/CN218888118U/en active Active
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Effective date of registration: 20230720 Address after: Floor 3-4, Building 20, Fengdong Chuangzhi Yungu, No. 1212 Tianzhang Third Road, West Section of Fengye Avenue, Fengdong New City, Xi'an City, Shaanxi Province, 710061 Patentee after: XI'AN BENYUN INFORMATION TECHNOLOGY CO.,LTD. Address before: Floor 3-4, Building 20, Fengdong Chuangzhi Yungu, No. 1212 Tianzhang Third Road, West Section of Fengye Avenue, Fengdong New City, Xi'an City, Shaanxi Province, 710086 Patentee before: Xi'an weilaide Electronic Technology Co.,Ltd. |