CN219065432U - Multi-parameter water quality monitoring terminal - Google Patents

Multi-parameter water quality monitoring terminal Download PDF

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Publication number
CN219065432U
CN219065432U CN202221205671.8U CN202221205671U CN219065432U CN 219065432 U CN219065432 U CN 219065432U CN 202221205671 U CN202221205671 U CN 202221205671U CN 219065432 U CN219065432 U CN 219065432U
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pin
chip
capacitor
resistor
grounded
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卢志勇
黄斌梁
赵忠鑫
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Gu Wenchun
Huang Binliang
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Individual
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

Abstract

The utility model provides a multi-parameter water quality monitoring terminal, and relates to the technical field of water quality monitoring. The display, the interface unit and the alarm are respectively connected with the processor, and the power manager is used for supplying power for the processor, the alarm and the display. The utility model can monitor and display the collected relevant water quality parameters in real time, and can transmit the relevant data to a remote terminal to realize a man-machine interaction function. By setting the standby power supply circuit and the alarm, the functions of power failure and endurance, power failure alarm, parameter over-threshold alarm and the like can be realized, and workers can be timely reminded to carry out relevant processing. In addition, the whole equipment is small in size, easy to install, beneficial to implementing multipoint monitoring and convenient to use.

Description

Multi-parameter water quality monitoring terminal
Technical Field
The utility model relates to the technical field of water quality monitoring, in particular to a multi-parameter water quality monitoring terminal.
Background
With the development of economy, the requirements of environment, especially water environment protection, are increasing, and the change condition of some important water quality parameters in the water environment is particularly concerned. The traditional water quality monitoring methods mainly comprise two types: one is manual sampling, using a hand-held portable monitor or laboratory analysis; and the other is to construct an automatic water quality monitoring station in a specific area. The former has low sampling frequency and high labor intensity, cannot be monitored in real time, and cannot reflect continuous dynamic changes of water quality parameters of the water body; the latter can realize the automatic monitoring of water quality, but has the limitations of high investment cost, long construction period, cable laying, station establishment on the land and the like, and the water area covered by the water area is limited, so that the multipoint monitoring can not be implemented.
Disclosure of Invention
In order to overcome the above problems or at least partially solve the above problems, embodiments of the present utility model provide a multi-parameter water quality monitoring terminal, which on one hand can monitor and display collected relevant water quality parameters in real time, and meanwhile can transmit relevant data to a remote terminal to realize a man-machine interaction function; on the other hand, when the abnormal signal is monitored, the alarm can be triggered to alarm, and the staff is timely reminded. In addition, the whole equipment is small in size, easy to install, capable of conducting multipoint monitoring and convenient to use.
Embodiments of the present utility model are implemented as follows:
the embodiment of the application provides a multi-parameter water quality monitoring terminal, which comprises a shell, a display and an interface unit, a power manager, a processor and an alarm, wherein the display and the interface unit are arranged on the shell, the power manager, the processor and the alarm are arranged in the shell, the display, the interface unit and the alarm are respectively connected with the processor, and the power manager is used for supplying power for the processor, the alarm and the display;
the interface unit comprises a plurality of input interfaces and a plurality of communication interfaces, wherein the plurality of input interfaces are used for being connected with the water quality sensor.
In some embodiments of the utility model, the power manager includes an adapter power supply circuit and a backup power supply circuit.
In some embodiments of the present utility model, the adapter power supply circuit includes a connection terminal J1, a chip U9, a chip U7, a reverse diode D4, a reverse diode D6, a bidirectional diode D7, a diode D5, a MOS transistor Q2, a resistor R12, a resistor R13, a resistor R14, a polarity capacitor C11, a polarity capacitor C12, a polarity capacitor C17, a polarity capacitor C18, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, an inductor L2, and a light emitting diode LED1;
the pin 1 of the wiring terminal J1 is grounded through a reverse diode D4 and a bidirectional diode D7 in sequence, the pin 2 and the pin 3 of the wiring terminal J1 are connected and then grounded, the resistor R12 and the resistor R14 are connected in series and then connected in parallel to the two ends of the bidirectional diode D7, the common end of the bidirectional diode D7 and the resistor R12 is grounded through a diode D5 and a polar capacitor C12, the capacitor C13 is connected in parallel with the polar capacitor C12, the grid electrode of the MOS tube Q2 is connected with the positive electrode of the diode D5, the source electrode of the MOS tube Q2 is connected with the negative electrode of the diode D5, the drain electrode of the MOS tube Q2 is connected with a standby power supply circuit, and the common end of the resistor R12 and the resistor R14 is connected with a processor;
the pin 1 of the chip U9 is connected with a power supply VCC_12V, and is connected with the common end of the polarity capacitor C12 and the capacitor C13, the pin 3 of the chip U9 is grounded after being connected with the pin 5, the pin 4 of the chip U9 is grounded through the capacitor C14, the pin 2 of the chip U9 is grounded through the inductor L2 and the polarity capacitor C11 in sequence, the common end of the inductor L2 and the polarity capacitor C11 is connected with the pin 4 of the chip U9, the pin 6 of the chip U9 is grounded, and is connected with the pin 2 of the chip U9 through the reverse diode D6, and the pin 4 of the chip U9 outputs the power supply VCC_5V;
pin 3 of chip U7 is connected with pin 4 of chip U9, and pin 3 of chip U7 passes through polarity electric capacity C17 ground connection, and pin 1 of chip U7 ground connection, and pin 2 of chip U7 passes through electric capacity C15 ground connection, and electric capacity C16 is parallelly connected with electric capacity C15, and pin 2 of chip U7 passes through polarity electric capacity C18 ground connection, and pin 2 of chip U7 still loops through resistance R13 and emitting diode LED1 ground connection, and pin 2 of chip U7 outputs power VCC_3.3V.
In some embodiments of the present utility model, the standby power supply circuit includes a chip U1, a chip U2, a chip U3, a chip U4, a chip U5, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, an inductor L1, a diode D1, a light emitting diode LED2, a light emitting diode LED3, a MOS transistor Q1, a MOS transistor U6A, and a MOS transistor U6B;
pin 1 of the chip U2 is connected with a power supply VCC_12V, pin 2 is grounded, and pin 3 is grounded through a capacitor C8;
pin 4 of chip U3 is connected with pin 3 of chip U2, pin 8 of chip U3 is connected with pin 4, pin 4 of chip U3 is connected with pin 6 through light emitting diode LED2 and resistor R9, pin 4 of chip U3 is connected with pin 7 through light emitting diode LED3 and resistor R10, pin 5 of chip U3 is grounded through capacitor C10, pin 2 of chip U3 is grounded through resistor R11, and pin 1, pin 3 and pin 9 of chip U3 are all grounded;
the pin 1 of the chip U5 is connected with the pin 5 of the chip U3, the pin 1 of the chip U5 is connected with the pin 5 of the chip U4 through a resistor R7, and the pin 2 of the chip U5 is connected with the pin 6 of the chip U4;
pin 5 of chip U4 is connected with pin 6 through capacitor C9, pin 1 of chip U4 is connected with grid electrode of MOS tube U6A, source electrode of MOS tube U6A is connected with pin 6 of chip U4, pin 3 of chip U4 is connected with grid electrode of MOS tube U6B, source electrode of MOS tube U6B is grounded, pin 2 of chip U4 is grounded through resistor R8, and pin 4 of chip U4 is connected with processor;
the pin 1 of the chip U1 is grounded through a resistor R1, an inductor L1, a diode D1 and a capacitor C5 in sequence, the common end of the resistor R1 and the inductor L1 is connected with the pin 1 of the chip U5, the common end of the resistor R1 and the inductor L1 is grounded through a capacitor C3, a capacitor C4 is connected with the capacitor C3 in parallel, the common end of the resistor R1 and the inductor L1 is grounded through a capacitor C6, the common end of the resistor R1 and the inductor L1 is also connected with the pin 2 of the chip U1, the pin 6 of the chip U1 is connected with the grid electrode of the MOS tube Q1, the drain electrode of the MOS tube Q1 and the common end of the inductor L1 are connected with the common end of the diode D1, the source electrode of the MOS tube Q1 is grounded through a resistor R3, the negative electrode of the diode D1 is grounded through a resistor R2 and a resistor R4, the common end of the resistor R2 and the resistor R4 is connected with the pin 3 of the chip U1, the capacitor C1 is connected with the capacitor C5 in parallel, the capacitor C2 is connected with the capacitor C5 in parallel, and the common end of the capacitor C2 and the capacitor C5 is connected with a power supply circuit.
In some embodiments of the present utility model, the processor includes a chip U13, a capacitor C24, a capacitor C25, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a capacitor C32, an inductor L3, an inductor L5, a resistor R28, a resistor R29, a resistor R30, a resistor R32, a key S1, a key S2, and a connection terminal P6;
the pin 1 of the chip U13 is connected with the power manager, the pin 1 of the chip U13 is grounded through a capacitor C24, the pin 8 of the chip U13 is grounded through an inductor L3, the pin 1 of the chip U13 is grounded through a resistor R28 and a capacitor C25, the key S2 is connected with the capacitor C25 in parallel, the common end of the resistor R28 and the capacitor C25 is connected with the pin 7 of the chip U13, the pin 48 of the chip U13 is grounded through the key S1 and the resistor R29, the common end of the key S1 and the resistor R29 is connected with the pin 44 of the chip U13, the pin 9 of the chip U13 is grounded through a capacitor C28 and also grounded through an inductor L5 and a capacitor C27, the common end of the inductor L5 and the capacitor C27 is connected with the pin 1 of the chip U13, and the pin 24 of the chip U13 is grounded through a capacitor C29, and the capacitor C30, the capacitor C31 and the capacitor C32 are respectively connected with the capacitor C29 in parallel;
pin 1 of binding post P6 is connected with the power manager, and pin 1 of binding post P6 is connected with the pin 34 of chip U13 through resistance R30, and pin 2 of binding post P6 is connected with the pin 34 of chip U13, and pin 3 of binding post P6 is connected with the pin 37 of chip U13, and pin 3 of binding post P6 passes through resistance R32 ground connection, and pin 4 of binding post P6 ground connection.
In some embodiments of the utility model, the alarm includes a light alarm circuit and a sound alarm circuit.
In some embodiments of the present utility model, the light alarm circuit includes a light emitting diode D14 and a resistor R26, wherein one end of the resistor R26 is connected to the power manager, the other end is connected to the positive electrode of the light emitting diode D14, and the negative electrode of the light emitting diode D14 is connected to the pin 43 of the chip U13;
the sound alarm circuit comprises a triode Q3, a diode ZP1 and a buzzer LS1, wherein the base electrode of the triode Q3 is connected with a pin 41 of a chip U13, the emitter electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is connected with a pin 2 of the buzzer LS1, the pin 1 of the buzzer LS1 is connected with a power manager, the anode of the diode ZP1 is connected with the pin 2 of the buzzer LS1, and the cathode of the diode ZP1 is connected with the pin 1 of the buzzer LS 1.
In some embodiments of the present utility model, the interface unit includes a connection terminal P1, a connection terminal P2, and a connection terminal P4;
the pin 2 of the wiring terminal P1 is connected with the pin 5 of the chip U13, the pin 2 of the wiring terminal P1 is connected with the power manager through the pull-up resistor R16, the pin 4 and the pin 5 of the wiring terminal P1 are used for being connected with an input interface, and the pin 1 of the wiring terminal P1 is grounded; the pin 2 of the wiring terminal P2 is connected with the pin 4 of the chip U13, the pin 2 of the wiring terminal P2 is connected with the power manager through the pull-up resistor R17, the pin 4 and the pin 5 of the wiring terminal P2 are used for being connected with an input interface, and the pin 1 of the wiring terminal P2 is grounded; pin 2 of binding post P4 is connected with pin 3 of chip U13, and pin 2 of binding post P4 is connected with power manager through pull-up resistor R24, and pin 4 and pin 5 of binding post P4 are used for being connected with the input interface, and pin 1 of binding post P4 is grounded.
In some embodiments of the utility model, the input interface includes an RS485 interface and a 4-20mA analog acquisition interface.
In some embodiments of the utility model, the water quality sensor includes one or more of a pH sensor, a conductivity sensor, a lead ion sensor, a copper ion sensor, a cadmium ion sensor, a dissolved oxygen sensor, and a turbidity sensor.
Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:
the embodiment of the application provides a multiparameter water quality monitoring terminal, on the one hand, the collected relevant water quality parameters (lead ions, copper ions, cadmium ions, pH values, conductivity, dissolved oxygen turbidity and the like) can be monitored and displayed in real time through a display, meanwhile, the relevant data can be transmitted to a remote terminal at intervals through wireless communication, remote monitoring is achieved, control signals from the remote terminal can be received, and a human-computer interaction function is achieved. On the other hand, by arranging the standby power supply circuit and the alarm, the functions of power failure and endurance, reporting of the electric quantity of the endurance battery and power failure alarm can be realized. Meanwhile, when the processor monitors that the related water quality parameters exceed the preset threshold, the alarm is triggered to alarm, and workers are timely reminded of performing related treatment. In addition, the whole equipment is small in size, easy to install, beneficial to implementing multipoint monitoring and convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a multi-parameter water quality monitoring terminal according to an embodiment of the present utility model;
FIG. 2 is a schematic block diagram of an embodiment of a multi-parameter water quality monitoring terminal according to the present utility model;
FIG. 3 is a block diagram of an application software displayed on a display in an embodiment of a multi-parameter water quality monitoring terminal according to the present utility model;
FIG. 4 is a circuit diagram of an adapter power supply circuit in an embodiment of a multi-parameter water quality monitoring terminal according to the present utility model;
FIG. 5 is a circuit diagram of a standby power supply circuit in an embodiment of a multi-parameter water quality monitoring terminal according to the present utility model;
FIG. 6 is a circuit diagram of a processor in an embodiment of a multi-parameter water quality monitoring terminal according to the present utility model;
FIG. 7 is a circuit diagram of an alarm in an embodiment of a multi-parameter water quality monitoring terminal according to the present utility model;
FIG. 8 is a circuit diagram of an interface unit in an embodiment of a multi-parameter water quality monitoring terminal according to the present utility model.
Icon: 1. a housing; 2. a display; 3. an interface unit; 31. an input interface; 32. a communication interface; 4. a power manager; 41. an adapter power supply circuit; 42. a standby power supply circuit; 5. a processor; 6. an alarm; 61. a light alarm circuit; 62. and an audible alarm circuit.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present utility model, "plurality" means at least 2.
In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples
Referring to fig. 1-3, an embodiment of the present utility model provides a multi-parameter water quality monitoring terminal, which includes a housing 1, a display 2 and an interface unit 3 disposed on the housing 1, and a power manager 4, a processor 5 and an alarm 6 disposed in the housing 1, wherein the display 2, the interface unit 3 and the alarm 6 are respectively connected with the processor 5, and the power manager 4 is used for supplying power to the processor 5, the alarm 6 and the display 2;
the interface unit 3 includes a plurality of input interfaces 31 and a plurality of communication interfaces 32, and the plurality of input interfaces 31 are used for connection with the water quality sensor.
In the solution provided in this embodiment, the power manager 4 is configured to supply power to the processor 5, the alarm 6 and the display 2. After the input interface 31 is connected with the water quality sensor, the processor 5 can monitor collected relevant water quality parameters, such as lead ions, copper ions, cadmium ions, pH values, conductivity, dissolved oxygen turbidity and the like, and display the parameters in real time through the display 2, and meanwhile, relevant data can be transmitted to a remote data platform at intervals of a period of time through a plurality of communication interfaces 32, such as 433M wireless communication interfaces, 4G wireless network communication interfaces or Ethernet interfaces and the like, so that remote monitoring is realized, control signals from a remote terminal can be received, and a man-machine interaction function is realized. By way of example, various water quality parameters can be monitored in a time-sharing sampling and time-sharing uploading mode, and the frequency of data uploading can be adjusted according to the actual condition of a local detection water area, so that 6 sampling monitoring data uploading per hour can be met at most. The threshold ranges of the monitoring values of the relevant water quality parameters may be set in advance, for example, an oxidation-reduction potential high and low threshold, a temperature high and low threshold, a ph high and low threshold, a conductivity high and low threshold, a dissolved oxygen turbidity high and low threshold, and the like. When the processor 5 monitors that the related water quality parameters exceed the preset threshold, the alarm 6 is triggered to alarm, and the parameter super-threshold alarm function is realized.
Referring to fig. 3, the display 2 may be a 2.8 inch color touch screen, which mainly displays four parts: homepage, setup, description, and network. 1. Homepage includes, but is not limited to, real-time measurements of redox potential, temperature, pH, conductivity, turbidity of dissolved oxygen, etc., and status displays of alarms. 2. The settings mainly comprise threshold range settings, uploading settings, time settings and system settings of the water quality parameters. The threshold range setting of the water quality parameter mainly comprises oxidation-reduction potential high and low threshold setting, temperature high and low threshold setting, pH value high and low threshold setting, conductivity high and low threshold setting, dissolved oxygen turbidity high and low threshold setting and the like; the uploading setting comprises uploading mode selection, such as 4G wireless communication transmission, ethernet port transmission, 433M wireless transmission and the like, and data uploading frequency selection, such as 0-6 times/hour selection; the time setting comprises setting of system time and calibration time; the system setting comprises setting of equipment ID (for network transmission identification), electric quantity alarming, power-off alarming setting, continuous battery electric quantity reporting and the like, remote state monitoring is achieved, and real-time dynamic of the Internet of things terminal is conveniently perceived through a cloud server. 3. The explanation is mainly used for introducing the meaning of the relevant water quality parameters monitored by the equipment. 4. The network comprises a plurality of setting modes, and the selection is more diversified. Such as ethernet port settings, 4G wireless port settings, RS485 master, slave mode settings, 433M wireless settings, etc.
In some embodiments of the present utility model, the power manager 4 includes an adapter power supply circuit 41 and a backup power supply circuit 42.
In the technical scheme provided by the embodiment, through setting up adapter power supply circuit 41 and reserve power supply, when the sudden outage condition appears, can realize outage continuation of the journey and continuation of the journey battery electricity reporting function through the 2500mAh large capacity lithium cell of carrying on, simultaneously, accessible alarm 6 sends the outage warning to the server side, reminds fortune dimension personnel to do corresponding processing to avoid causing the influence to water quality monitoring because of 220V outage.
Specifically, referring to fig. 4, the adapter power supply circuit 41 includes a connection terminal J1, a chip U9, a chip U7, a reverse diode D4, a reverse diode D6, a bidirectional diode D7, a diode D5, a MOS transistor Q2, a resistor R12, a resistor R13, a resistor R14, a polarity capacitor C11, a polarity capacitor C12, a polarity capacitor C17, a polarity capacitor C18, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, an inductor L2, and a light emitting diode LED1;
the pin 1 of the wiring terminal J1 is grounded through a reverse diode D4 and a bidirectional diode D7 in sequence, the pin 2 and the pin 3 of the wiring terminal J1 are connected and then grounded, the resistor R12 and the resistor R14 are connected in series and then connected to the two ends of the bidirectional diode D7 in parallel, the common end of the bidirectional diode D7 and the resistor R12 is grounded through a diode D5 and a polar capacitor C12, the capacitor C13 is connected in parallel with the polar capacitor C12, the grid electrode of the MOS tube Q2 is connected with the positive electrode of the diode D5, the source electrode of the MOS tube Q2 is connected with the negative electrode of the diode D5, the drain electrode of the MOS tube Q2 is connected with the standby power supply circuit 42, and the common end of the resistor R12 and the resistor R14 is connected with the processor 5;
the pin 1 of the chip U9 is connected with a power supply VCC_12V, and is connected with the common end of the polarity capacitor C12 and the capacitor C13, the pin 3 of the chip U9 is grounded after being connected with the pin 5, the pin 4 of the chip U9 is grounded through the capacitor C14, the pin 2 of the chip U9 is grounded through the inductor L2 and the polarity capacitor C11 in sequence, the common end of the inductor L2 and the polarity capacitor C11 is connected with the pin 4 of the chip U9, the pin 6 of the chip U9 is grounded, and is connected with the pin 2 of the chip U9 through the reverse diode D6, and the pin 4 of the chip U9 outputs the power supply VCC_5V;
pin 3 of chip U7 is connected with pin 4 of chip U9, and pin 3 of chip U7 passes through polarity electric capacity C17 ground connection, and pin 1 of chip U7 ground connection, and pin 2 of chip U7 passes through electric capacity C15 ground connection, and electric capacity C16 is parallelly connected with electric capacity C15, and pin 2 of chip U7 passes through polarity electric capacity C18 ground connection, and pin 2 of chip U7 still loops through resistance R13 and emitting diode LED1 ground connection, and pin 2 of chip U7 outputs power VCC_3.3V.
In the technical scheme provided by the embodiment, the wiring terminal J1 is a 12V power adapter socket and is divided into DC_12V and BAT_12V through the reverse diode D4, and the BAT_12V supplies power for the lithium battery to generate 12V voltage. When the adapter is powered on, the MOS transistor Q2 is turned on, VCC_12V is provided by DC_12V, and after the voltage is reduced by the chip U9 and the chip U7, working voltages VCC_5V and VCC_3.3V for driving each circuit to work are output, for example, the generated voltage VCC_5V is used for supplying power to the display 2, and the voltage VCC_3.3V is used for supplying power to the processor 5, the alarm 6 and the interface unit 3. When the adapter is powered down, the MOS transistor Q2 is disconnected, VCC_12V is provided by BAT_12V, and the voltage is divided by the resistor R12 and the resistor R14 and then connected to the processor 5 to serve as a monitoring pin P_OFF for detecting the power supply state of the adapter. The voltage is about 3.3V when the power supply of the adapter is normal, the voltage is 0V after the power is turned off, the system is continuously powered by BAT_12V after the power is turned off, the system continuously works, the power-off endurance function is realized, and after the processor 5 monitors the power-off, an alarm can be sent to a remote server to realize the power-off alarm function.
Referring to fig. 5, in some embodiments of the utility model, the standby power supply circuit 42 includes a chip U1, a chip U2, a chip U3, a chip U4, a chip U5, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, an inductor L1, a diode D1, a light emitting diode LED2, a light emitting diode LED3, a MOS transistor Q1, a MOS transistor U6A, and a MOS transistor U6B;
pin 1 of the chip U2 is connected with a power supply VCC_12V, pin 2 is grounded, and pin 3 is grounded through a capacitor C8;
pin 4 of chip U3 is connected with pin 3 of chip U2, pin 8 of chip U3 is connected with pin 4, pin 4 of chip U3 is connected with pin 6 through light emitting diode LED2 and resistor R9, pin 4 of chip U3 is connected with pin 7 through light emitting diode LED3 and resistor R10, pin 5 of chip U3 is grounded through capacitor C10, pin 2 of chip U3 is grounded through resistor R11, and pin 1, pin 3 and pin 9 of chip U3 are all grounded;
the pin 1 of the chip U5 is connected with the pin 5 of the chip U3, the pin 1 of the chip U5 is connected with the pin 5 of the chip U4 through a resistor R7, and the pin 2 of the chip U5 is connected with the pin 6 of the chip U4;
pin 5 of chip U4 is connected with pin 6 through capacitor C9, pin 1 of chip U4 is connected with grid electrode of MOS tube U6A, source electrode of MOS tube U6A is connected with pin 6 of chip U4, pin 3 of chip U4 is connected with grid electrode of MOS tube U6B, source electrode of MOS tube U6B is grounded, pin 2 of chip U4 is grounded through resistor R8, and pin 4 of chip U4 is connected with processor 5;
the pin 1 of the chip U1 is grounded through a resistor R1, an inductor L1, a diode D1 and a capacitor C5 in sequence, the common end of the resistor R1 and the inductor L1 is connected with the pin 1 of the chip U5, the common end of the resistor R1 and the inductor L1 is grounded through a capacitor C3, a capacitor C4 is connected with the capacitor C3 in parallel, the common end of the resistor R1 and the inductor L1 is grounded through a capacitor C6, the common end of the resistor R1 and the inductor L1 is also connected with the pin 2 of the chip U1, the pin 6 of the chip U1 is connected with the grid electrode of the MOS tube Q1, the drain electrode of the MOS tube Q1 and the common end of the inductor L1 are connected with the common end of the diode D1, the source electrode of the MOS tube Q1 is grounded through a resistor R3, the negative electrode of the diode D1 is grounded through a resistor R2 and a resistor R4, the common end of the resistor R2 and the resistor R4 is connected with the pin 3 of the chip U1, the capacitor C1 is connected with the capacitor C5 in parallel, the capacitor C2 is connected with the capacitor C5 in parallel, and the common end of the capacitor C2 and the capacitor C5 is connected with the power supply circuit 41.
In the technical scheme provided by the embodiment, the voltage of vcc_12v is converted into 5V through the chip U2, then the lithium battery is charged through the chip U3, and the voltage output by the lithium battery is boosted through the chip U1 to generate the standby cruising voltage bat_12v. When the equipment is powered down, the equipment is continuously powered up through the BAT_12V voltage, so that the functions of power-off endurance and power-off alarm are realized. The chip U4 and the peripheral circuit thereof mainly form a charging protection circuit to prevent the overcharge and overdischarge of the lithium battery. For example, chip U2 may be model LM7805, chip U3 may be model TP4056, chip U4 may be model DW01A, and chip U1 may be model AX 5302.
Referring to fig. 6, in some embodiments of the present utility model, the processor 5 includes a chip U13, a capacitor C24, a capacitor C25, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a capacitor C32, an inductor L3, an inductor L5, a resistor R28, a resistor R29, a resistor R30, a resistor R32, a key S1, a key S2, and a connection terminal P6;
the pin 1 of the chip U13 is connected with the power manager 4, the pin 1 of the chip U13 is grounded through a capacitor C24, the pin 8 of the chip U13 is grounded through an inductor L3, the pin 1 of the chip U13 is grounded through a resistor R28 and a capacitor C25, the key S2 is connected with the capacitor C25 in parallel, the common end of the resistor R28 and the capacitor C25 is connected with the pin 7 of the chip U13, the pin 48 of the chip U13 is grounded through the key S1 and the resistor R29, the common end of the key S1 and the resistor R29 is connected with the pin 44 of the chip U13, the pin 9 of the chip U13 is grounded through a capacitor C28, the common end of the inductor L5 and the capacitor C27 is connected with the pin 1 of the chip U13, and the pin 24 of the chip U13 is connected with the capacitor C29 in parallel, and the capacitor C30, the capacitor C31 and the capacitor C32 are respectively connected with the capacitor C29 in parallel;
pin 1 of binding post P6 is connected with power manager 4, and pin 1 of binding post P6 is connected with the pin 34 of chip U13 through resistance R30, and pin 2 of binding post P6 is connected with the pin 34 of chip U13, and pin 3 of binding post P6 is connected with the pin 37 of chip U13, and pin 3 of binding post P6 is grounded through resistance R32, and pin 4 of binding post P6 is grounded.
In the technical scheme provided by the embodiment, the functions of reading the data of the water quality sensor, setting the threshold range of the water quality parameter, powering off alarm, parameter over-threshold alarm and the like can be realized through the singlechip chip U13, the reset operation can be executed through the key S2, and the data storage operation can be executed through the key S1. For example, the chip U13 may be a single chip microcomputer of STM32F030CCT6 type.
Referring to fig. 7, in some embodiments of the present utility model, the alarm 6 includes a light alarm circuit 61 and a sound alarm circuit 62. Further, the light alarm circuit 61 includes a light emitting diode D14 and a resistor R26, wherein one end of the resistor R26 is connected to the power manager 4, the other end is connected to the positive electrode of the light emitting diode D14, and the negative electrode of the light emitting diode D14 is connected to the pin 43 of the chip U13;
the sound alarm circuit 62 includes a triode Q3, a diode ZP1 and a buzzer LS1, where the base of the triode Q3 is connected with the pin 41 of the chip U13, the emitter of the triode Q3 is grounded, the collector of the triode Q3 is connected with the pin 2 of the buzzer LS1, the pin 1 of the buzzer LS1 is connected with the power manager 4, the anode of the diode ZP1 is connected with the pin 2 of the buzzer LS1, and the cathode of the diode ZP1 is connected with the pin 1 of the buzzer LS 1.
In the technical scheme provided by the embodiment, when the power failure occurs and the water quality parameter exceeds the threshold value, the processor 5 sends a control signal to the alarm circuit, and the light emitting diode D14 is positively conducted to realize light warning; the triode Q3 is conducted to trigger the buzzer LS1 to work, so that sound warning is achieved. The voice alarm can be set to be in a voice reminding mode, so that the experience is better and the voice alarm is more intelligent.
Referring to fig. 8, in some embodiments of the present utility model, the interface unit 3 includes a connection terminal P1, a connection terminal P2, and a connection terminal P4;
the pin 2 of the wiring terminal P1 is connected with the pin 5 of the chip U13, the pin 2 of the wiring terminal P1 is connected with the power manager 4 through the pull-up resistor R16, the pin 4 and the pin 5 of the wiring terminal P1 are used for being connected with the input interface 31, and the pin 1 of the wiring terminal P1 is grounded; the pin 2 of the wiring terminal P2 is connected with the pin 4 of the chip U13, the pin 2 of the wiring terminal P2 is connected with the power manager 4 through the pull-up resistor R17, the pin 4 and the pin 5 of the wiring terminal P2 are used for being connected with the input interface 31, and the pin 1 of the wiring terminal P2 is grounded; pin 2 of binding post P4 is connected with pin 3 of chip U13, and pin 2 of binding post P4 is connected with power manager 4 through pull-up resistor R24, and pin 4 and pin 5 of binding post P4 are used for being connected with input interface 31, and pin 1 of binding post P4 is grounded.
In the technical scheme provided by the embodiment, the wiring terminal P1, the wiring terminal P2 and the wiring terminal P4 are water quality sensor interfaces and sensor power interfaces, power is supplied to the sensor through DC_12V, and the pin 4 and the pin 5 of the wiring terminal P1, the wiring terminal P2 and the wiring terminal P4 are differential communication ports of the water quality sensor interfaces. The processor 5 communicates with the water quality sensor through the water quality sensor interface, acquires measurement data, and sets upper and lower thresholds of related water quality parameters through the serial display 2. When the parameter value exceeds the set threshold range, the buzzer generates alarm sound, and the alarm indicator lamp is always on.
Specifically, the interface unit 3 includes a plurality of input interfaces 31 and a plurality of communication interfaces 32, wherein the input interfaces 31 include an RS485 interface and a 4-20mA analog acquisition interface.
In the technical solution provided in this embodiment, the communication interface 32 includes a 433M wireless communication interface, a 4G wireless network communication interface, an ethernet interface, and the like, and the difficulty of network cable erection is solved through the 4G wireless network communication interface; the data communication function of the local area network and the remote server can be realized through the Ethernet interface. The RS485 interface can be used for being connected with a water quality sensor to acquire measurement data, and the 4-20mA analog acquisition interface can convert acquired analog signals into data and display the data on the display 2.
In some embodiments of the utility model, the water quality sensor includes one or more of a pH sensor, a conductivity sensor, a lead ion sensor, a copper ion sensor, a cadmium ion sensor, a dissolved oxygen sensor, and a turbidity sensor.
In the technical scheme provided by the embodiment, various relevant water quality parameters can be monitored through different water quality sensors, including but not limited to lead ions, copper ions, cadmium ions, pH values, conductivity, dissolved oxygen turbidity and the like.
In summary, the embodiment of the utility model provides a multi-parameter water quality monitoring terminal, which can monitor collected related water quality parameters (lead ions, copper ions, cadmium ions, pH values, conductivity, turbidity of dissolved oxygen and the like) and display the parameters in real time through a display 2, and simultaneously can transmit related data to a remote terminal at intervals through wireless communication to realize remote monitoring, receive control signals from the remote terminal and realize a man-machine interaction function. On the other hand, by arranging the standby power supply circuit 42 and the alarm 6, the functions of power outage and cruising, reporting the electric quantity of cruising batteries and power outage alarm can be realized. Meanwhile, when the processor 5 monitors that the related water quality parameter exceeds a preset threshold value, the alarm 6 is triggered to alarm, and the staff is timely reminded of performing related treatment. In addition, the whole equipment is small in size, easy to install, beneficial to implementing multipoint monitoring and convenient to use.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. The multi-parameter water quality monitoring terminal is characterized by comprising a shell, a display and an interface unit, a power manager, a processor and an alarm, wherein the display and the interface unit are arranged on the shell, the power manager, the processor and the alarm are arranged in the shell, the display, the interface unit and the alarm are respectively connected with the processor, and the power manager is used for supplying power for the processor, the alarm and the display;
the interface unit comprises a plurality of input interfaces and a plurality of communication interfaces, and the input interfaces are used for being connected with the water quality sensor.
2. The multi-parameter water quality monitoring terminal of claim 1, wherein the power manager comprises an adapter power supply circuit and a backup power supply circuit.
3. The multi-parameter water quality monitoring terminal according to claim 2, wherein the adapter power supply circuit comprises a wiring terminal J1, a chip U9, a chip U7, a reverse diode D4, a reverse diode D6, a bidirectional diode D7, a diode D5, a MOS transistor Q2, a resistor R12, a resistor R13, a resistor R14, a polarity capacitor C11, a polarity capacitor C12, a polarity capacitor C17, a polarity capacitor C18, a capacitor C13, a capacitor C14, a capacitor C15, a capacitor C16, an inductor L2, and a light emitting diode LED1;
the pin 1 of the wiring terminal J1 is grounded through a reverse diode D4 and a bidirectional diode D7 in sequence, the pin 2 and the pin 3 of the wiring terminal J1 are connected and then grounded, the resistor R12 and the resistor R14 are connected in series and then connected in parallel to two ends of the bidirectional diode D7, the common end of the bidirectional diode D7 and the resistor R12 is grounded through the diode D5 and a polar capacitor C12, the capacitor C13 is connected in parallel with the polar capacitor C12, the grid electrode of the MOS tube Q2 is connected with the positive electrode of the diode D5, the source electrode of the MOS tube Q2 is connected with the negative electrode of the diode D5, the drain electrode of the MOS tube Q2 is connected with the standby power supply circuit, and the common end of the resistor R12 and the resistor R14 is connected with the processor;
the pin 1 of the chip U9 is connected with a power supply VCC_12V and is connected with a common end of the polarity capacitor C12 and the capacitor C13, the pin 3 of the chip U9 is connected with the pin 5 and then grounded, the pin 4 of the chip U9 is grounded through the capacitor C14, the pin 2 of the chip U9 is sequentially grounded through the inductor L2 and the polarity capacitor C11, the common end of the inductor L2 and the polarity capacitor C11 is connected with the pin 4 of the chip U9, the pin 6 of the chip U9 is grounded and is connected with the pin 2 of the chip U9 through a reverse diode D6, and the pin 4 of the chip U9 outputs a power supply VCC_5V;
the pin 3 of the chip U7 is connected with the pin 4 of the chip U9, the pin 3 of the chip U7 is grounded through the polar capacitor C17, the pin 1 of the chip U7 is grounded, the pin 2 of the chip U7 is grounded through the capacitor C15, the capacitor C16 is connected with the capacitor C15 in parallel, the pin 2 of the chip U7 is grounded through the polar capacitor C18, the pin 2 of the chip U7 is grounded through the resistor R13 and the light emitting diode LED1 in sequence, and the pin 2 of the chip U7 outputs a power supply VCC_3.3V.
4. The multi-parameter water quality monitoring terminal according to claim 3, wherein the standby power supply circuit comprises a chip U1, a chip U2, a chip U3, a chip U4, a chip U5, a capacitor C1, a capacitor C2, a capacitor C3, a capacitor C4, a capacitor C5, a capacitor C6, a capacitor C7, a capacitor C8, a capacitor C9, a capacitor C10, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, an inductor L1, a diode D1, a light emitting diode LED2, a light emitting diode LED3, a MOS transistor Q1, a MOS transistor U6A, and a MOS transistor U6B;
the pin 1 of the chip U2 is connected with a power supply VCC_12V, the pin 2 is grounded, and the pin 3 is grounded through the capacitor C8;
the pin 4 of the chip U3 is connected with the pin 3 of the chip U2, the pin 8 of the chip U3 is connected with the pin 4, the pin 4 of the chip U3 is connected with the pin 6 through the light emitting diode LED2 and the resistor R9, the pin 4 of the chip U3 is connected with the pin 7 through the light emitting diode LED3 and the resistor R10, the pin 5 of the chip U3 is grounded through the capacitor C10, the pin 2 of the chip U3 is grounded through the resistor R11, and the pin 1, the pin 3 and the pin 9 of the chip U3 are all grounded;
the pin 1 of the chip U5 is connected with the pin 5 of the chip U3, the pin 1 of the chip U5 is connected with the pin 5 of the chip U4 through a resistor R7, and the pin 2 of the chip U5 is connected with the pin 6 of the chip U4;
the pin 5 of the chip U4 is connected with the pin 6 through the capacitor C9, the pin 1 of the chip U4 is connected with the gate of the MOS tube U6A, the source of the MOS tube U6A is connected with the pin 6 of the chip U4, the pin 3 of the chip U4 is connected with the gate of the MOS tube U6B, the source of the MOS tube U6B is grounded, the pin 2 of the chip U4 is grounded through the resistor R8, and the pin 4 of the chip U4 is connected with the processor;
the pin 1 of the chip U1 is grounded through the resistor R1, the inductor L1, the diode D1 and the capacitor C5 in sequence, the common end of the resistor R1 and the inductor L1 is connected with the pin 1 of the chip U5, the common end of the resistor R1 and the inductor L1 is grounded through the capacitor C3, the capacitor C4 is connected with the capacitor C3 in parallel, the common end of the resistor R1 and the inductor L1 is grounded through the capacitor C6, the common end of the resistor R1 and the inductor L1 is also connected with the pin 2 of the chip U1, the pin 6 of the chip U1 is connected with the grid electrode of the MOS tube Q1, the drain electrode of the MOS tube Q1 and the common end of the inductor L1 are connected with the pin 5 of the chip U1 through the resistor R3, the source electrode of the MOS tube Q1 is also connected with the pin 5 of the chip U1, the negative electrode of the diode D1 is grounded through the resistor R2 and the resistor R4, the resistor R2 and the pin R4 are connected with the capacitor C5 in parallel, and the capacitor C2 is connected with the capacitor C5.
5. The multi-parameter water quality monitoring terminal of claim 1, wherein the processor comprises a chip U13, a capacitor C24, a capacitor C25, a capacitor C27, a capacitor C28, a capacitor C29, a capacitor C30, a capacitor C31, a capacitor C32, an inductor L3, an inductor L5, a resistor R28, a resistor R29, a resistor R30, a resistor R32, a key S1, a key S2, and a connection terminal P6;
the pin 1 of the chip U13 is connected with the power manager, the pin 1 of the chip U13 is grounded through the capacitor C24, the pin 8 of the chip U13 is grounded through the inductor L3, the pin 1 of the chip U13 is grounded through the resistor R28 and the capacitor C25, the key S2 is connected in parallel with the capacitor C25, the common end of the resistor R28 and the capacitor C25 is connected with the pin 7 of the chip U13, the pin 48 of the chip U13 is grounded through the key S1 and the resistor R29, the common end of the key S1 and the resistor R29 is connected with the pin 44 of the chip U13, the pin 9 of the chip U13 is grounded through the capacitor C28, the common end of the inductor L5 and the capacitor C27 is connected with the pin 1 of the chip U13, the pin 24 of the chip U13 is grounded through the capacitor C29, and the capacitors C30, C31 and C29 are respectively connected in parallel with the capacitor C29;
the pin 1 of the wiring terminal P6 is connected with the power manager, the pin 1 of the wiring terminal P6 is connected with the pin 34 of the chip U13 through the resistor R30, the pin 2 of the wiring terminal P6 is connected with the pin 34 of the chip U13, the pin 3 of the wiring terminal P6 is connected with the pin 37 of the chip U13, the pin 3 of the wiring terminal P6 is grounded through the resistor R32, and the pin 4 of the wiring terminal P6 is grounded.
6. The multi-parameter water quality monitoring terminal of claim 5, wherein the alarm comprises a light alarm circuit and a sound alarm circuit.
7. The multi-parameter water quality monitoring terminal according to claim 6, wherein the light alarm circuit comprises a light emitting diode D14 and a resistor R26, one end of the resistor R26 is connected to the power manager, the other end is connected to the positive electrode of the light emitting diode D14, and the negative electrode of the light emitting diode D14 is connected to the pin 43 of the chip U13;
the audible alarm circuit comprises a triode Q3, a diode ZP1 and a buzzer LS1, wherein the base electrode of the triode Q3 is connected with a pin 41 of the chip U13, the emitter electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is connected with a pin 2 of the buzzer LS1, the pin 1 of the buzzer LS1 is connected with the power supply manager, the positive electrode of the diode ZP1 is connected with the pin 2 of the buzzer LS1, and the negative electrode of the diode ZP1 is connected with the pin 1 of the buzzer LS 1.
8. The multi-parameter water quality monitoring terminal of claim 5, wherein the interface unit comprises a terminal P1, a terminal P2, and a terminal P4;
the pin 2 of the wiring terminal P1 is connected with the pin 5 of the chip U13, the pin 2 of the wiring terminal P1 is connected with the power manager through a pull-up resistor R16, the pin 4 and the pin 5 of the wiring terminal P1 are used for being connected with the input interface, and the pin 1 of the wiring terminal P1 is grounded; the pin 2 of the wiring terminal P2 is connected with the pin 4 of the chip U13, the pin 2 of the wiring terminal P2 is connected with the power manager through a pull-up resistor R17, the pin 4 and the pin 5 of the wiring terminal P2 are used for being connected with the input interface, and the pin 1 of the wiring terminal P2 is grounded; the pin 2 of the wiring terminal P4 is connected with the pin 3 of the chip U13, the pin 2 of the wiring terminal P4 is connected with the power manager through a pull-up resistor R24, the pin 4 and the pin 5 of the wiring terminal P4 are used for being connected with the input interface, and the pin 1 of the wiring terminal P4 is grounded.
9. The multi-parameter water quality monitoring terminal according to claim 1, wherein the input interface comprises an RS485 interface and a 4-20mA analog acquisition interface.
10. The multi-parameter water quality monitoring terminal of claim 1, wherein the water quality sensor comprises one or more of a pH sensor, a conductivity sensor, a lead ion sensor, a copper ion sensor, a cadmium ion sensor, a dissolved oxygen sensor, and a turbidity sensor.
CN202221205671.8U 2022-05-19 2022-05-19 Multi-parameter water quality monitoring terminal Active CN219065432U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221205671.8U CN219065432U (en) 2022-05-19 2022-05-19 Multi-parameter water quality monitoring terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221205671.8U CN219065432U (en) 2022-05-19 2022-05-19 Multi-parameter water quality monitoring terminal

Publications (1)

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CN219065432U true CN219065432U (en) 2023-05-23

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Application Number Title Priority Date Filing Date
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Effective date of registration: 20231211

Address after: Room 101, Unit 3, Building 302, Fudayuan Community, Wenchang North Road, Shacheng Town, Huailai County, Zhangjiakou City, Hebei Province, 075400

Patentee after: Huang Binliang

Patentee after: Gu Wenchun

Address before: No. 7, Building 301, Jingxi Small and Medium sized Enterprise Entrepreneurship Guidance Base, Huailai County, Zhangjiakou City, Hebei Province, 075400

Patentee before: Lu Zhiyong

Patentee before: Huang Binliang

TR01 Transfer of patent right