CN214951105U - Valve opening and closing angle position wireless sensor based on Internet of things - Google Patents
Valve opening and closing angle position wireless sensor based on Internet of things Download PDFInfo
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- CN214951105U CN214951105U CN202120772809.1U CN202120772809U CN214951105U CN 214951105 U CN214951105 U CN 214951105U CN 202120772809 U CN202120772809 U CN 202120772809U CN 214951105 U CN214951105 U CN 214951105U
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- closing angle
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Abstract
The utility model relates to the technical field of sensors, and discloses a wireless sensor for the opening and closing angle position of a valve based on the Internet of things, which comprises a lower computer and an upper computer, the lower computer transmits the information of the valve turntable to the upper computer, the upper computer is used for receiving the information sent by the lower computer and transmitting the information to users, the lower computer comprises a valve turntable and a circuit board, the circuit board is provided with a plurality of groups of inductors, the plurality of groups of inductors are uniformly distributed on a half-circle extending outwards from the valve turntable, the main shaft of the valve turntable is provided with the magnet pointer, a plurality of groups of the inductors are matched with the magnet pointer to trigger different signals, the utility model can accurately determine the position of the valve turntable through the matching of the inductors and the magnet pointer, the message is received to the second microprocessor through a wireless receiver in the upper computer, and can also be matched with external configuration software through an RS485 interface circuit for a user to check.
Description
Technical Field
The utility model belongs to the technical field of the sensor, specifically be a valve switching angular position wireless sensor based on thing networking.
Background
Industrial valves function in piping systems to control fluid flow, regulate fluid pressure, and change fluid flow direction. The actuator for controlling the valve is pneumatic, electric, etc. and its control mode usually adopts wired transmission. The control method is suitable for common places such as industrial factories and the like, has perfect working conditions, is convenient for wiring and provides various power sources. For the environment such as the field, remote, be unfavorable for laying such as cable, trachea, the flexibility is poor, and exposes in the field for a long time, and easy damage is unfavorable for the maintenance.
In some long-distance pipeline transmission systems, a certain number of valves are distributed along the pipeline system, the valves are far away from each other and far away from a monitoring center, manual operation or pneumatic and electric operation based on wired transmission is adopted to control the valves, and the cost is high. When a cable is damaged or a determination of which valve is damaged cannot be made, in order to confirm the latest state of the valve, personnel are required to be sent to check one by one, the mode consumes both manpower and time, so that the valve is necessary to be remotely controlled in a wireless mode, and a power source and a power supply device are arranged at a valve terminal to ensure that the valve normally works in a designed life cycle.
SUMMERY OF THE UTILITY MODEL
To the above situation, for overcoming prior art's defect, the utility model provides a valve switching angular position wireless sensor based on thing networking, effectual some remote pipeline transmission systems of having solved, along the valve of pipeline system distribution certain quantity, the valve is apart from each other far away, and all is far away from the surveillance center, adopts artifical manual mode, perhaps based on wire transmission's mode control valves such as pneumatics, electronic, with high costs. When the cable is damaged or which valve is damaged cannot be determined, in order to confirm the latest state of the valve, personnel often need to be sent to check one by one, and the mode consumes both manpower and time, so that the valve is necessary to be remotely controlled in a wireless mode, and a power source and a power supply device are arranged at the end of the valve, so that the normal work of the valve in the designed life cycle is guaranteed.
In order to achieve the above object, the utility model provides a following technical scheme: a wireless sensor for the opening and closing angle position of a valve based on the Internet of things comprises a lower computer and an upper computer, wherein the lower computer is used for receiving a command sent by the upper computer and transmitting information of a valve turntable to the upper computer, and the upper computer is used for receiving information sent by the lower computer and transmitting the information to a user;
the lower computer comprises a valve turntable and a circuit board, wherein the circuit board is provided with a plurality of groups of inductors, the plurality of groups of inductors are uniformly distributed on a half circle extending outwards from the valve turntable, a magnet pointer is arranged on a main shaft of the valve turntable, the plurality of groups of inductors are matched with the magnet pointer to trigger different signals, a first microprocessor and an LORA wireless transmitter are arranged in the circuit board, the first microprocessor encodes the trigger signals to form messages to be transmitted to the wireless transmitter, the wireless transmitter is transmitted to the upper computer, and a battery is arranged in the lower computer to supply power or supply power through external direct current;
the upper computer comprises a wireless receiver and a second microprocessor, the wireless receiver is used for receiving a valve opening and closing angle position message transmitted by the lower computer, the wireless receiver transmits the received valve opening and closing angle position message to the second microprocessor, the second microprocessor stores the valve opening and closing angle position information in the message in a nonvolatile memory after receiving the valve opening and closing angle position message, the upper computer is provided with a first interface circuit, and the second microprocessor is connected with external configuration software or a touch screen through the first interface circuit and is used for external equipment to read the information in the nonvolatile memory.
The wireless transmitter adopts LORA wireless communication technology, first microprocessor adopts 32 bit microprocessor, first microprocessor all has very low consumption with wireless transmitter, the battery is installed to the next machine.
The lower computer is provided with a second interface circuit, and the first microprocessor can send the message to external configuration equipment through the second interface circuit.
The wireless receivers can be arranged in two groups, and errors caused by the fact that the wireless receivers receive information are prevented by arranging the two groups of wireless receivers.
The lower computer is internally provided with a battery and can also be powered by external direct current.
The upper computer is connected with an external direct current power supply, and the lower computer is provided with a rechargeable battery.
The upper computer is connected with the internet and sends the valve turntable information transmitted by the lower computer to the mobile phone APP, the management center or the automatic terminal through the internet.
The first interface circuit and the second interface circuit both adopt RS-485 interfaces, and the RS-485 interfaces adopt a combination of a balanced driver and a differential receiver, so that the common-mode interference resistance is enhanced, namely, the noise interference resistance is good.
The inductor adopts hall element, the inductor can set up the multiunit, the inductor sets up 10 groups at the minimum, the inductor is 4 centimetres with magnet pointer farthest inductive distance.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, can the accurate position of confirming the valve carousel through inductor and magnet pointer cooperation, cooperate with first microprocessor through wireless transmitter and can be with trigger signal code and constitute the message and send to wireless transmitter, send to the host computer through wireless transmitter, receive the message and receive to second microprocessor through the wireless receiver in the host computer, cooperate with outside configuration software through first interface circuit and supply for the user to watch;
2. the power consumption of the inductor, the wireless transmitter and the first microprocessor is very low, the lower computer can be used for 5 years through the battery, the rechargeable battery is also arranged in the upper computer, the upper computer can work for 8 hours through the battery under the condition of external power failure, and the short-term power failure does not hinder the use of the device;
3. in the utility model, the first interface circuit and the second interface circuit adopt RS485 interface circuits, the RS485 interface circuits have networking communication interfaces which can be connected with external networks, and users can be connected with mobile phones APP or automatic terminals to know the opening and closing angle position of the valve at any time;
4. the utility model discloses the host computer sets up two wireless receiver into a main pair through setting up 2 wireless receiver, prevents that wireless receiver's receipt information from producing the mistake, and the memory adopts nonvolatile memory, prevents data loss, the utility model discloses possess stronger fault-tolerant rate and data security performance, can give the higher use experience of user and feel.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a diagram of the valve turntable system of the present invention;
FIG. 3 is a block diagram of the circuit board system of the present invention;
fig. 4 is a system block diagram of the upper computer of the present invention.
Detailed Description
The technical solutions in the embodiments 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, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, the wireless sensor for the opening and closing angle position of the valve based on the internet of things comprises a lower computer and an upper computer, wherein the lower computer is used for receiving a command sent by the upper computer and transmitting information of a valve turntable to the upper computer, and the upper computer is used for receiving information sent by the lower computer and transmitting the information to a user;
the lower computer comprises a valve turntable and a circuit board, the circuit board is provided with a plurality of groups of inductors, the plurality of groups of inductors are uniformly distributed on a half circle extending outwards from the valve turntable, a magnet pointer is arranged on a main shaft of the valve turntable, the plurality of groups of inductors are matched with the magnet pointer to trigger different signals, a first microprocessor and an LORA wireless transmitter are arranged in the circuit board, the first microprocessor encodes the trigger signals to form a message and transmits the message to the wireless transmitter, the wireless transmitter transmits the message to the upper computer, and a battery is arranged in the lower computer to supply power or supplies power through external direct current; the host computer includes wireless receiver and second microprocessor, wireless receiver is used for receiving the valve switching angle position message of host computer transmission, wireless receiver sends the valve switching angle position message received to second microprocessor, after second microprocessor received valve switching angle position message, keep the valve switching angle position information in the message in nonvolatile memory, first interface circuit is installed to the host computer, second microprocessor passes through first interface circuit and is connected with outside configuration software or touch-sensitive screen, supply the information in the external equipment reading nonvolatile memory.
The wireless transmitter adopts LORA wireless communication technology, and first microprocessor adopts 32 bit microprocessor, and first microprocessor and wireless transmitter all have very low efficiency, and the next computer internally mounted has the battery.
The lower computer is provided with a second interface circuit, and the first microprocessor can send the message to external configuration equipment through the second interface circuit.
The wireless receivers can be arranged in two groups, and errors caused by the fact that the wireless receivers receive information are prevented by arranging the two groups of wireless receivers.
The upper computer is connected with an external direct current power supply and is supplied with power through the external direct current, and the upper computer is provided with a rechargeable battery.
The host computer is connected with the internet, and the host computer sends the valve turntable information transmitted by the lower computer to the mobile phone APP, the management center or the automatic terminal through the internet.
The first interface circuit and the second interface circuit both adopt RS-485 interfaces, and the RS-485 interfaces adopt the combination of a balanced driver and a differential receiver, so that the common-mode interference resistance is enhanced, and the noise interference resistance is good.
The inductor adopts hall element, and the inductor can set up the multiunit, and the inductor sets up 10 groups at the minimum, and the inductor is 4 centimetres with magnet pointer farthest inductive distance.
The working principle is as follows: when the scheme of the utility model is implemented specifically, when the valve turntable drives the magnetic pointer to rotate, the signal is triggered by the cooperation of a plurality of groups of inductors and the magnetic pointer, when the magnetic pointer is close to a certain inductor, the inductor triggers and sends out level signals, and other inductors trigger other level signals to distinguish, the wireless transmitter adopts LORA wireless communication technology, the frequency is 433MHZ, the wireless transmitter has the characteristic of extremely low power consumption long-distance transmission, the antenna gain of the wireless transmitter is 2dB, the wireless transmitter is horizontally arranged in a mechanism cavity, the triggered signals are captured by a first microprocessor, the first microprocessor codes and forms a triggering signal to be sent to the wireless transmitter, the triggering signal is sent to an upper computer through the wireless transmitter, the message is received through a wireless receiver in the upper computer and is received to a second microprocessor, the second microprocessor stores the message content into a memory, simultaneously the second microprocessor passes through second interface circuit and is connected with outside configuration software or touch-sensitive screen, supply the user to look over, it is worth mentioning, the inductor, wireless transmitter and first microprocessor's consumption is very low, can use 5 years time through inside battery power supply, rechargeable battery is also installed to the inside of host computer, even the work of external outage host computer persists 8 hours, through setting up 2 wireless receiver, set up two wireless receiver as a master and a slave, prevent that wireless receiver's receipt information from producing the mistake, the memory adopts nonvolatile memory, prevent data loss. The lower computer and the upper computer system can adopt 24V direct current power supplies of industrial standard, first interface circuit and second interface circuit adopt RS485 interface circuit, RS485 interface circuit has networking communication interface and can be connected with external network, supplementary user of service is connected through cell-phone APP or automatic terminal, the user of being convenient for can look over valve switching angle position at any time and open information.
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 a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a valve switching angle position wireless sensor based on thing networking which characterized in that: the device comprises a lower computer and an upper computer, wherein the lower computer is used for receiving a command sent by the upper computer and transmitting information of a valve turntable to the upper computer, and the upper computer is used for receiving information sent by the lower computer and transmitting the information to a user;
the lower computer comprises a valve turntable and a circuit board, wherein the circuit board is provided with a plurality of groups of inductors, the plurality of groups of inductors are uniformly distributed on a half circle extending outwards from the valve turntable, a magnet pointer is arranged on a main shaft of the valve turntable, the plurality of groups of inductors are matched with the magnet pointer to trigger different signals, a first microprocessor and an LORA wireless transmitter are arranged in the circuit board, the first microprocessor encodes the trigger signals to form messages to be transmitted to the wireless transmitter, the wireless transmitter is transmitted to the upper computer, and a battery is arranged in the lower computer to supply power or supply power through external direct current;
the upper computer comprises a wireless receiver and a second microprocessor, the wireless receiver is used for receiving a valve opening and closing angle position message transmitted by the lower computer, the wireless receiver transmits the received valve opening and closing angle position message to the second microprocessor, the second microprocessor stores the valve opening and closing angle position information in the message in a nonvolatile memory after receiving the valve opening and closing angle position message, the upper computer is provided with a first interface circuit, and the second microprocessor is connected with external configuration software or a touch screen through the first interface circuit and is used for external equipment to read the information in the nonvolatile memory.
2. The wireless sensor for the opening and closing angle position of the valve based on the Internet of things as claimed in claim 1, wherein: the wireless transmitter adopts the LORA wireless communication technology, first microprocessor adopts 32 bit microprocessor, first microprocessor and wireless transmitter all have very low consumption, the battery of lower computer installation can maintain the next machine long-time work.
3. The wireless sensor for the opening and closing angle position of the valve based on the Internet of things as claimed in claim 1, wherein: the lower computer is provided with a second interface circuit, and the first microprocessor can send the message to external configuration equipment through the second interface circuit.
4. The wireless sensor for the opening and closing angle position of the valve based on the Internet of things as claimed in claim 1, wherein: the wireless receivers can be arranged in two groups, and errors caused by the fact that the wireless receivers receive information are prevented by arranging the two groups of wireless receivers.
5. The wireless sensor for the opening and closing angle position of the valve based on the Internet of things as claimed in claim 1, wherein: the upper computer is powered by external direct current, and is provided with a rechargeable battery.
6. The wireless sensor for the opening and closing angle position of the valve based on the Internet of things as claimed in claim 1, wherein: the upper computer is connected with the internet and sends the valve turntable information transmitted by the lower computer to the mobile phone APP, the management center or the automatic terminal through the internet.
7. The wireless sensor for the opening and closing angle position of the valve based on the Internet of things as claimed in claim 1, wherein: the first interface circuit and the second interface circuit both adopt RS-485 interfaces, and the RS-485 interfaces adopt a combination of a balanced driver and a differential receiver, so that the common-mode interference resistance is enhanced, and the noise interference resistance is good.
8. The wireless sensor for the opening and closing angle position of the valve based on the Internet of things as claimed in claim 1, wherein: the inductor adopts hall element, the inductor can set up the multiunit, the inductor sets up 10 groups at the minimum, the inductor is 4 centimetres with magnet pointer farthest inductive distance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120772809.1U CN214951105U (en) | 2021-04-15 | 2021-04-15 | Valve opening and closing angle position wireless sensor based on Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120772809.1U CN214951105U (en) | 2021-04-15 | 2021-04-15 | Valve opening and closing angle position wireless sensor based on Internet of things |
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| CN214951105U true CN214951105U (en) | 2021-11-30 |
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| CN202120772809.1U Active CN214951105U (en) | 2021-04-15 | 2021-04-15 | Valve opening and closing angle position wireless sensor based on Internet of things |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155019A (en) * | 2021-04-15 | 2021-07-23 | 上海凡亚机电设备有限公司 | Valve opening and closing angle position wireless sensor based on Internet of things |
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- 2021-04-15 CN CN202120772809.1U patent/CN214951105U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113155019A (en) * | 2021-04-15 | 2021-07-23 | 上海凡亚机电设备有限公司 | Valve opening and closing angle position wireless sensor based on Internet of things |
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