Flow monitor and flow monitoring system

Abstract

The invention discloses a flow monitor and a flow monitoring system. The flow monitor comprises a control module, a first communication module, a data acquisition interface and a parameter setting module, the data acquisition interface is connected with the control module and is used for transmitting the actual current value corresponding to the to-be-measured fluid acquired by the flow sensor to the control module; the first communication module is respectively connected with external equipment and the parameter setting module so as to access the parameter setting module according to a parameter setting instruction sent by the external equipment; the parameter setting module is used for simultaneously setting at least two pieces of basic parameter information according to the parameter setting instruction; the at least two pieces of basic parameter information comprise the flow velocity corresponding to the first current value and the flow velocity corresponding to the second current value; the control module is connected with the parameter setting module and used for determining the actual flow velocity of the to-be-measured fluid according to the actual current value, the flow velocity corresponding to the first current value and the flow velocity corresponding to the second current value. And related parameters of the flow monitor are set through the first communication module, so that the working efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of flow monitoring, and in particular to a flow monitoring instrument and a flow monitoring system. Background Art

[0002] The flow monitor is used to collect the cumulative flow and instantaneous flow of the on-site water flow meter, and transmit the acquired cumulative flow and instantaneous flow to the server of the monitoring center, so that the staff can check the cumulative flow and instantaneous flow of the flow meter.

[0003] During daily maintenance, when setting different parameters of the flow monitor, such as the measuring range, the time interval for sending data, and the flow rate corresponding to different current values, an instruction representing a different function needs to be sent each time to set the parameters of the flow monitor, resulting in cumbersome steps and low work efficiency. Summary of the invention

[0004] The present invention provides a flow monitor and a flow monitoring system, which can efficiently set relevant parameters of the flow monitor and improve work efficiency.

[0005] According to one aspect of the present invention, there is provided a flow monitoring instrument, comprising: a control module, a first communication module, a data acquisition interface and a parameter setting module;

[0006] The data acquisition interface is connected to the control module and is used to transmit the actual current value corresponding to the fluid to be measured collected by the flow sensor to the control module;

[0007] The first communication module is connected to the parameter setting module, and the first communication module is used to connect to an external device to access the parameter setting module according to a parameter setting instruction sent by the external device;

[0008] The parameter setting module is used to simultaneously set at least two basic parameter information according to the parameter setting instruction; the at least two basic parameter information include a flow rate corresponding to a first current value and a flow rate corresponding to a second current value;

[0009] The control module is connected to the parameter setting module, and is used to determine the actual flow rate of the fluid to be measured according to the actual current value, the flow rate corresponding to the first current value, and the flow rate corresponding to the second current value.

[0010] Optionally, the data acquisition interface is also used to obtain the actual number of pulses of the fluid to be tested within a set time period;

[0011] At least two basic parameter information also include the flow rate corresponding to a single pulse;

[0012] The control module is also used to determine the cumulative flow rate corresponding to the fluid to be measured according to the actual number of pulses and the flow rate corresponding to a single pulse.

[0013] Optionally, the data acquisition interface includes at least two ports, different ports are connected to different flow sensors, and different flow sensors correspond to different fluids to be measured;

[0014] The parameter setting instruction includes address information corresponding to the target flow sensor;

[0015] The control module is used to obtain the actual current value corresponding to the fluid to be measured collected by the target flow sensor through the port corresponding to the target flow sensor according to the address information corresponding to the target flow sensor.

[0016] Optionally, the first communication module includes a WIFI module.

[0017] Optionally, the flow monitor further includes a second communication module, which is connected to the control module and is used to transmit the actual flow rate of the fluid to be measured to a host computer.

[0018] Optionally, the second communication module includes a 4G communication chip or a 5G communication chip.

[0019] Optionally, the flow monitor also includes a power interface for connecting to an external power source.

[0020] Optionally, the flow monitor further includes an indication module, wherein the indication module includes a first indicator light, a second indicator light and a third indicator light;

[0021] The first indicator light is connected to the control module, and the control module is used to control the first indicator light to flash once each time the control module receives data output by the data acquisition interface;

[0022] The second indicator light is connected to the control module, and the control module is used to control the second indicator light to light up after power-on;

[0023] The third indicator light is connected to the control module, and the control module is used to control the third indicator light to light up when communicating with the host computer through the second communication module.

[0024] Optionally, the flow monitor further includes a display module, wherein the display module is connected to the control module, and the control module is used to control the display module to display the actual flow rate of the fluid to be measured.

[0025] According to another aspect of the present invention, there is provided a flow monitoring system, comprising the flow monitor of the above aspect and a flow sensor connected to a data acquisition interface of the flow monitor.

[0026] The technical solution of the embodiment of the present invention, by setting a first communication module, can receive parameter setting instructions to simultaneously set multiple parameters in the parameter setting module, so that the parameter setting module determines the flow velocity corresponding to the actual current value by interpolation according to the actual current value, the flow velocity corresponding to the first current value, and the flow velocity corresponding to the second current value, and thus accurately determines the current flow velocity of the fluid to be measured. The relevant parameters of the flow monitor are efficiently set by the first communication module, thereby improving work efficiency.

[0027] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present invention, nor are they intended to limit the scope of the present invention. Other features of the present invention will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0029] Figure 1 A schematic diagram of the structure of a flow monitor provided by an embodiment of the present invention;

[0030] Figure 2 A schematic diagram of the structure of a flow monitoring system provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0032] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0033] Figure 1 A schematic diagram of a flow monitoring device according to an embodiment of the present invention is provided. Figure 1 , the flow monitor comprises: a control module 1, a first communication module 2, a data acquisition interface 3 and a parameter setting module;

[0034] The data acquisition interface 3 is connected to the control module 1 and is used to transmit the actual current value corresponding to the fluid to be measured collected by the flow sensor to the control module 1;

[0035] The first communication module 2 is connected to the parameter setting module, and the first communication module 2 is used to connect to an external device to access the parameter setting module according to a parameter setting instruction sent by the external device;

[0036] The parameter setting module is used to simultaneously set at least two basic parameter information according to the parameter setting instruction; the at least two basic parameter information include a flow rate corresponding to a first current value and a flow rate corresponding to a second current value;

[0037] The control module 1 is connected to the parameter setting module, and is used to determine the actual flow rate of the fluid to be measured according to the actual current value, the flow rate corresponding to the first current value, and the flow rate corresponding to the second current value.

[0038] The data acquisition interface 3 is used to connect to an external flow sensor. The flow sensor can be a water flow meter, which is used to generate a current value according to the flow rate of the fluid to be measured, and transmit it to the control module 1 through the data acquisition interface 3, wherein one flow rate corresponds to one current value. The control module 1 can be a single-chip microcomputer. The external device can be a mobile phone, a computer or other device. The first communication module 2 establishes a communication connection between the external device and the parameter setting module. After the connection is completed, the operator sends a parameter setting instruction through the external device so that the parameter setting module sets the corresponding basic parameter information according to the information contained in the parameter setting instruction. The parameter setting instruction contains at least two basic parameter information that need to be set. Optionally, the parameter setting module is used to set two basic parameter information according to the parameter setting instruction, such as setting the flow rate corresponding to the first current value and setting the flow rate corresponding to the second current value. For example, the first current value is 4 mA, and the flow rate corresponding to 4 mA is set to 0. The second current value is 20 mA, and the flow rate corresponding to 20 mA is set to 10 m 3 / h. The actual current value is the current value generated by the flow sensor according to the flow velocity of the fluid to be measured at the current sampling moment. In an optional embodiment, the parameter setting module can be a web page, and the relevant web page is accessed through the parameter setting instruction, and then the flow velocity corresponding to the first current value, the flow velocity corresponding to the second current value, and the flow rate corresponding to the single pulse mentioned later are set on the web page.

[0039] For example, if the actual current value obtained is 10 mA, the current value corresponding to 4 mA is 0, and the flow rate corresponding to 20 mA is 10 m / s. 3 / h, then according to the linear interpolation method, the flow rate corresponding to 10 mA is calculated to be 3.75m 3 / h. After the flow rate of the fluid to be measured at the current sampling time is determined, the corresponding instantaneous flow rate can be further determined.

[0040] The technical solution of the embodiment of the present invention, by setting a first communication module, can receive parameter setting instructions to simultaneously set multiple parameters in the parameter setting module, so that the parameter setting module determines the flow velocity corresponding to the actual current value by interpolation according to the actual current value, the flow velocity corresponding to the first current value, and the flow velocity corresponding to the second current value, and thus accurately determines the current flow velocity of the fluid to be measured. The relevant parameters of the flow monitor are efficiently set by the first communication module, thereby improving work efficiency.

[0041] Continue to refer Figure 1 , Optionally, the data acquisition interface 3 is also used to obtain the actual number of pulses of the fluid to be tested within a set time period;

[0042] At least two basic parameter information also include the flow rate corresponding to a single pulse;

[0043] The control module 1 is also used to determine the cumulative flow rate corresponding to the fluid to be measured according to the actual number of pulses and the flow rate corresponding to a single pulse.

[0044] The parameter setting instruction also includes the flow rate corresponding to a single pulse. After receiving the parameter setting instruction, the parameter setting module sets the flow rate corresponding to the first current value, the flow rate corresponding to the second current value, and the flow rate corresponding to a single pulse. For example, the flow rate corresponding to a single pulse is set to 1m 3 .

[0045] The flow sensor is also used to generate a pulse signal according to the flow rate of the fluid to be measured. Exemplarily, the flow sensor generates a pulse signal and outputs it to the data acquisition interface 3 every time it detects that the fluid to be measured reaches a preset flow rate. The set duration can be a set sampling interval. At the current sampling moment, the data acquisition interface 3 obtains the number of pulses output by the flow sensor from the last sampling moment to the current sampling moment. The control module 1 determines the flow rate of the fluid to be measured from the last sampling moment to the current sampling moment based on the actual number of pulses in the sampling interval and the flow rate corresponding to a single pulse, and then determines the cumulative flow rate of the fluid to be measured at the current sampling moment based on the cumulative flow rate at the last sampling moment and the flow rate of the fluid to be measured from the last sampling moment to the current sampling moment. Exemplarily, the cumulative flow rate at the last sampling moment is 1070m 3 The actual number of pulses of the fluid to be measured within the set time is 10, and the flow rate corresponding to a single pulse is 1m 3 , then the flow rate of the fluid to be measured from the last sampling moment to the current sampling moment is 10m 3 The cumulative flow at the current sampling time is 1080m 3 .

[0046] Continue to refer Figure 1 , Optionally, the data acquisition interface 3 includes at least two ports, different ports are connected to different flow sensors, and different flow sensors correspond to different fluids to be measured;

[0047] The parameter setting instruction includes address information corresponding to the target flow sensor;

[0048] The control module 1 is used to obtain the actual current value corresponding to the fluid to be measured collected by the target flow sensor through the port corresponding to the target flow sensor according to the address information corresponding to the target flow sensor.

[0049] The flow monitor can monitor the instantaneous flow and cumulative flow of multiple fluids to be tested at the same time. The fluids to be tested correspond to the flow sensors one by one, and the flow sensors are connected to the ports of the data acquisition interface 3 one by one. Different flow sensors correspond to different address information, and the control module 1 is also used to encode the ports of the data acquisition interface 3. Therefore, if you want to obtain the data information of the target fluid to be tested, determine the corresponding port according to the address information of the target flow sensor corresponding to the target fluid to be tested, and then determine the instantaneous flow, cumulative flow and other information of the fluid to be tested according to the actual current value transmitted by the corresponding port and the actual number of pulses within the set time.

[0050] Continue to refer Figure 1 Optionally, the first communication module 2 includes a WIFI module.

[0051] WIFI technology is a technology that uses electrical signals to transmit data on radio waves. By establishing a local area network, various devices (mobile phones, computers, tablets, etc.) can be connected wirelessly to achieve wireless transmission between devices. The normal working range of WIFI is 100m, but it is affected by the transmission power and environmental factors. Generally, the indoor positioning range is 10m and the outdoor positioning range is about 30m. In addition, the WIFI transmission rate is as high as 600Mb / S. On the flow monitor, set the WIFI module. The WIFI module can be used to configure the module using AT commands, and the AT commands are transmitted to the WIFI module through the serial port.

[0052] In addition to setting the flow rate corresponding to the first current value, the flow rate corresponding to the second current value, and the actual number of pulses within the set time length through the parameter setting module, the parameter setting module can also be used to set parameters such as the data sending interval, which is not specifically limited in this embodiment.

[0053] Continue to refer Figure 1 Optionally, the flow monitor further includes a second communication module 4, which is connected to the control module 1 and is used to transmit the actual flow rate of the fluid to be measured to the host computer.

[0054] The second communication module 4 includes a 4G communication chip or a 5G communication chip, through which a connection is established between the flow monitor and the host computer, so that the actual flow rate and cumulative flow of the fluid to be measured determined by the control module can be transmitted to the host computer, so that the background personnel can view the actual flow rate, instantaneous flow rate, cumulative flow rate and other information of the fluid to be measured on site in real time, realize remote reading and timely discover the abnormal status of the equipment.

[0055] Continue to refer Figure 1 Optionally, the flow monitor also includes a power interface 5 for connecting an external power source to power the entire flow monitor to ensure its normal operation.

[0056] Continue to refer Figure 1 Optionally, the flow monitor further includes an indication module 6, the indication module 6 includes a first indicator light 61, a second indicator light 62 and a third indicator light 63;

[0057] The first indicator light 61 is connected to the control module 1, and the control module 1 is used to control the first indicator light 61 to flash once each time the control module 1 receives data output by the data acquisition interface 3;

[0058] The second indicator light 62 is connected to the control module 1, and the control module 1 is used to control the second indicator light 62 to light up after power-on;

[0059] The third indicator light 63 is connected to the control module 1 , and the control module 1 is used to control the third indicator light 63 to light up when communicating with the host computer through the second communication module.

[0060] The indication module 6 is used to indicate the working state of the flow monitor, such as whether it is communicating with the host computer, whether it is receiving data from the flow sensor, whether it is powered on, etc. In this embodiment, the indication module 6 is exemplarily shown to include three indicator lights, and the colors of the first indicator light 61, the second indicator light 62 and the third indicator light 63 are different. In other embodiments, other indicator lights may also be included, and this embodiment does not specifically limit this. When the power interface 5 is connected to the external power supply and the external power supply supplies power to the flow monitor, the control module 1 controls the second indicator light 62 to light up to indicate that the flow monitor is powered on. Every time the data acquisition interface 3 transmits data to the control module 1, the control module 1 controls the first indicator light 61 to flash once to indicate that the flow monitor is receiving data. When the control module 1 communicates with the host computer through the second communication module 4 and transmits the actual flow rate and cumulative flow of the fluid to be measured to the host computer, the third indicator light 63 is controlled to light up to indicate that the flow monitor communicates with the host computer.

[0061] Continue to refer Figure 1 The flow monitor also includes a display module 7, which is connected to the control module 1. The control module 1 is used to control the display module 7 to display the actual flow rate of the fluid to be measured.

[0062] The display module 7 may be a display screen for human-computer interaction. The control module 1 is used to control the display module 7 to display the actual flow rate and cumulative flow of the fluid to be tested, so that on-site personnel can check the basic information of the fluid to be tested in a timely manner.

[0063] Continue to refer Figure 1 The flow monitor also includes a communication interface 8, which is used to connect to a computer or other equipment to update the software in the flow monitor.

[0064] The embodiment of the present invention also provides a flow monitoring system. Figure 2 A schematic diagram of a flow monitoring system according to an embodiment of the present invention is provided. Figure 2 The flow monitoring system includes any of the above flow monitors 11 and a flow sensor 12 connected to the data acquisition interface 3 of the flow monitor 11. The beneficial effects of the flow monitoring system are the same as those of the flow monitor, which will not be repeated here.

[0065] It should be understood that the various forms of processes shown above can be used to reorder, add or delete steps. For example, the steps described in the present invention can be executed in parallel, sequentially or in different orders, as long as the desired results of the technical solution of the present invention can be achieved, and this document does not limit this.

[0066] The above specific implementations do not constitute a limitation on the protection scope of the present invention. It should be understood by those skilled in the art that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A flow monitor, characterized in that: include: Control module, first communication module, data acquisition interface and parameter setting module; The data acquisition interface is connected to the control module and is used to transmit the actual current value corresponding to the fluid to be measured collected by the flow sensor to the control module; The first communication module is connected to the parameter setting module, and the first communication module is used to connect to an external device to access the parameter setting module according to a parameter setting instruction sent by the external device; The parameter setting module is used to simultaneously set at least two basic parameter information according to the parameter setting instruction; the at least two basic parameter information include a flow rate corresponding to a first current value and a flow rate corresponding to a second current value; The control module is connected to the parameter setting module, and is used to determine the actual flow rate of the fluid to be measured according to the actual current value, the flow rate corresponding to the first current value, and the flow rate corresponding to the second current value.

2. The flow monitor according to claim 1, characterized in that: The data acquisition interface is also used to obtain the actual number of pulses of the fluid to be tested within a set time period; At least two basic parameter information also include the flow rate corresponding to a single pulse; The control module is also used to determine the cumulative flow rate corresponding to the fluid to be measured according to the actual number of pulses and the flow rate corresponding to a single pulse.

3. The flow monitor according to claim 1, characterized in that: The data acquisition interface includes at least two ports, different ports are connected to different flow sensors, and different flow sensors correspond to different fluids to be measured; The parameter setting instruction includes address information corresponding to the target flow sensor; The control module is used to obtain the actual current value corresponding to the fluid to be measured collected by the target flow sensor through the port corresponding to the target flow sensor according to the address information corresponding to the target flow sensor.

4. The flow monitor according to claim 1, characterized in that: The first communication module includes a WIFI module.

5. The flow monitor according to claim 1, characterized in that: The flow monitor further includes a second communication module, which is connected to the control module and is used to transmit the actual flow rate of the fluid to be measured to a host computer.

6. The flow monitor according to claim 5, characterized in that: The second communication module includes a 4G communication chip or a 5G communication chip.

7. The flow monitor according to claim 5, characterized in that: The flow monitor also includes a power interface for connecting to an external power source.

8. The flow monitor according to claim 7, characterized in that: The flow monitor also includes an indication module, which includes a first indicator light, a second indicator light and a third indicator light; The first indicator light is connected to the control module, and the control module is used to control the first indicator light to flash once each time the control module receives data output by the data acquisition interface; The second indicator light is connected to the control module, and the control module is used to control the second indicator light to light up after power-on; The third indicator light is connected to the control module, and the control module is used to control the third indicator light to light up when communicating with the host computer through the second communication module.

9. The flow monitor according to claim 1, characterized in that: The flow monitor further comprises a display module, wherein the display module is connected to the control module, and the control module is used to control the display module to display the actual flow rate of the fluid to be measured.

10. A flow monitoring system, characterized in that: The invention comprises the flow monitor according to any one of claims 1 to 9 and a flow sensor connected to the data acquisition interface of the flow monitor.

Images