Hand-held meter reading auxiliary device based on relay driving

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Through the relay-driven handheld meter reading auxiliary device, the start-stop time interval is set using the controller and electrical components, which solves the problem of frequent start-stop of handheld meter reading, and achieves the effect of cost saving and accurate counting.

CN223193409UActive Publication Date: 2025-08-05WATER RESOURCES RES INST OF SHANDONG PROVINCE

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Patent Information

Application Number: CN202422449033.6
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-10-10
Publication Date: 2025-08-05
Estimated Expiration: 2034-10-10

AI Technical Summary

Technical Problem

During the use of handheld meter reading, frequent manual switch start and stop operations lead to waste of power and labor costs, affecting service life and detection accuracy.

Method used

The handheld meter reading auxiliary device based on relay drive is adopted. The start-stop time interval is set through the controller and multiple types of electrical components, and the switching status of the handheld meter reading is controlled by relay signals, simplifying the operation steps and providing protection.

Benefits of technology

Save power and labor costs, extend the service life of handheld meter reading, ensure the accuracy of water counting, and realize remote data transmission and abnormal alarms.

✦ Generated by Eureka AI based on patent content.

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Abstract

The handheld meter reading auxiliary device based on relay driving comprises a shell, an auxiliary groove is formed in the shell, and the auxiliary groove is used for containing a handheld meter to be used; buffer springs are arranged in the shell on the two sides of the auxiliary groove respectively to provide buffer elastic force for handheld meter reading and provide protection for handheld meter reading. The top and the bottom of the auxiliary groove are respectively provided with a power supply interface, a controller is arranged in the shell, and the controller is electrically connected with the power supply interfaces through a driver, so that a relay signal is adopted to drive the on-off state of a handheld meter reading switch; the controller is electrically connected with a timer, the timer is used for setting a start-stop time interval of handheld meter reading, and the controller is connected with an upper computer through a wireless transceiver so as to remotely transmit counted water consumption data to the upper computer; the controller is further connected with an audible and visual alarm, and the audible and visual alarm is used for transmitting audible and visual alarm signals when abnormal conditions occur in handheld meter reading.

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Description

Technical field:

[0001] The utility model relates to a handheld meter reading auxiliary device based on relay drive. Background technology:

[0002] Handheld meter reading is an instrument used to record users' daily water consumption. It is the primary link for grassroots water supply stations to recover water fees. Generally, staff carry handheld meters to the site to count and obtain detailed water consumption data for each user. The specific water fees of each user are calculated based on the corresponding readings of the handheld meter.

[0003] During the actual use of handheld meter reading, upon arriving at a designated location, staff activate and turn on the handheld meter, putting it into operation. After completing the water consumption count, they turn it off and move to the next location to repeat the above operation. Alternatively, the handheld meter is left on until all water consumption counts are completed before turning it off. The overall operation steps are cumbersome, wasting a lot of electricity and manpower costs for the handheld meter. Frequent manual switching on and off will also affect the service life and detection accuracy of the handheld meter. Utility model content:

[0004] The embodiment of the present utility model provides a handheld meter reading auxiliary device based on relay drive, which has a reasonable structural design, is based on the integrated control function of the controller, cooperates with various types of electrical components and functional components, sets corresponding start and stop time intervals according to actual application scenarios, and uses relay drive to control the actual working state of the handheld meter reading, simplifies the actual operating steps of the staff, and prevents the handheld meter reading from being in the open state for a long time, saving electricity and labor costs. It can provide comprehensive protection for the handheld meter reading and ensure the accuracy of water consumption counting, thus solving the problems existing in the prior art.

[0005] The technical solution adopted by the present invention to solve the above technical problems is:

[0006] A handheld meter reading auxiliary device based on a relay drive includes a housing with an auxiliary slot provided in the housing for placing a handheld meter to be used; buffer springs are provided in the housing on both sides of the auxiliary slot to provide buffering elastic force for the handheld meter and provide protection for the handheld meter;

[0007] Power supply interfaces are provided at the top and bottom of the auxiliary tank, respectively, and are used to electrically connect to the handheld meter reader to provide power for the handheld meter reader;

[0008] A controller is provided in the housing and is electrically connected to the power interface via a driver so as to use a relay signal to drive the on / off state of the handheld meter reading device. A timer is electrically connected to the controller and is used to set the start / stop time interval of the handheld meter reading device. The controller is connected to a host computer via a wireless transceiver so as to remotely transmit the counted water consumption data to the host computer. An audible and visual alarm is also connected to the controller and is used to transmit an audible and visual alarm signal when an abnormal condition occurs in the handheld meter reading device.

[0009] The auxiliary groove has a rounded transition.

[0010] A hand-held handle is provided on the back of the housing.

[0011] The model of the controller is STM32F103C8T6, and 64 pins are provided on the controller. The controller is connected to the wireless transceiver through pin 21 and pin 22, the controller is connected to the sound and light alarm through pin 33 and pin 34, the controller is connected to the timer through pin 38, and the controller is connected to the driver through pin 40.

[0012] The model of the wireless transceiver is ESP8266, and 8 pins are provided on the wireless transceiver. The wireless transceiver is connected to the pin 21 of the controller through the pin 4, and the wireless transceiver is connected to the pin 22 of the controller through the pin 8.

[0013] The sound and light alarm includes a first electromagnetic relay and a second electromagnetic relay. A red indicator light is connected to the first electromagnetic relay, and a speaker is connected to the second electromagnetic relay. The first electromagnetic relay is connected to pin 34 of the controller, and the second electromagnetic relay is connected to pin 33 of the controller.

[0014] The model of the timer is DS1302, and there are 8 pins on the timer. A fourth resistor and a fourth capacitor are provided between pins 6 and 7 of the timer, and pin 7 of the timer is connected to pin 38 of the controller.

[0015] The driver model is ULN2003, and is provided with 16 pins. The driver is connected to pin 40 of the controller via pin 1. A first relay is connected to pin 16 of the driver. A first resistor and a first diode connected in parallel are provided on the first relay. A drive interface is provided on the first relay to connect to the power interface of the handheld meter reading. The first resistor is a current limiting resistor to reduce the operating current of the handheld meter reading.

[0016] The utility model adopts the above structure, and places the handheld meter to be used through the auxiliary groove with rounded transition, which can provide protection for the handheld meter and keep the position of the handheld meter relatively constant; the handheld meter is electrically connected through the power interface to provide power for the handheld meter; the driver is electrically connected to the power interface to adopt a relay signal to drive the switch start and stop state of the handheld meter; the start and stop time interval of the handheld meter is set by the timer, the counted water consumption data is remotely transmitted to the host computer through the wireless transceiver, and the sound and light alarm is transmitted when an abnormal situation occurs in the handheld meter, which has the advantages of being simple, fast, practical and reliable. Description of the drawings:

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the back structure of the utility model.

[0020] Figure 4 This is the control principle diagram of the utility model.

[0021] Figure 5 This is the electrical schematic diagram of the controller of the present utility model.

[0022] Figure 6 This is the electrical schematic diagram of the wireless transceiver of the present utility model.

[0023] Figure 7 This is the electrical principle diagram of the sound and light alarm of the present utility model.

[0024] Figure 8 This is the electrical principle diagram of the timer of the present utility model.

[0025] Figure 9 This is the electrical schematic diagram of the driver of the present utility model.

[0026] In the figure, 1. shell, 2. auxiliary slot, 3. buffer spring, 4. power interface, 5. hand-held rod. Specific implementation method:

[0027] In order to clearly illustrate the technical features of this solution, the present invention is described in detail below through specific implementation methods and in conjunction with the accompanying drawings.

[0028] like Figure 1-9As shown in the figure, a handheld meter reading auxiliary device based on relay drive includes a housing with an auxiliary slot provided in the housing for placing a handheld meter to be used; buffer springs are provided in the housing on both sides of the auxiliary slot to provide buffering elastic force for the handheld meter and provide protection for the handheld meter;

[0029] Power supply interfaces are provided at the top and bottom of the auxiliary tank, respectively, and are used to electrically connect to the handheld meter reader to provide power for the handheld meter reader;

[0030] A controller is provided in the housing and is electrically connected to the power interface via a driver so as to use a relay signal to drive the on / off state of the handheld meter reading device. A timer is electrically connected to the controller and is used to set the start / stop time interval of the handheld meter reading device. The controller is connected to a host computer via a wireless transceiver so as to remotely transmit the counted water consumption data to the host computer. An audible and visual alarm is also connected to the controller and is used to transmit an audible and visual alarm signal when an abnormal condition occurs in the handheld meter reading device.

[0031] The auxiliary groove has a rounded transition.

[0032] A hand-held handle is provided on the back of the housing.

[0033] The model of the controller is STM32F103C8T6, and 64 pins are provided on the controller. The controller is connected to the wireless transceiver through pin 21 and pin 22, the controller is connected to the sound and light alarm through pin 33 and pin 34, the controller is connected to the timer through pin 38, and the controller is connected to the driver through pin 40.

[0034] The model of the wireless transceiver is ESP8266, and 8 pins are provided on the wireless transceiver. The wireless transceiver is connected to the pin 21 of the controller through the pin 4, and the wireless transceiver is connected to the pin 22 of the controller through the pin 8.

[0035] The sound and light alarm includes a first electromagnetic relay and a second electromagnetic relay. A red indicator light is connected to the first electromagnetic relay, and a speaker is connected to the second electromagnetic relay. The first electromagnetic relay is connected to pin 34 of the controller, and the second electromagnetic relay is connected to pin 33 of the controller.

[0036] The model of the timer is DS1302, and there are 8 pins on the timer. A fourth resistor and a fourth capacitor are provided between pins 6 and 7 of the timer, and pin 7 of the timer is connected to pin 38 of the controller.

[0037] The driver model is ULN2003, and is provided with 16 pins. The driver is connected to pin 40 of the controller via pin 1. A first relay is connected to pin 16 of the driver. A first resistor and a first diode connected in parallel are provided on the first relay. A drive interface is provided on the first relay to connect to the power interface of the handheld meter reading. The first resistor is a current limiting resistor to reduce the operating current of the handheld meter reading.

[0038] The working principle of the handheld meter reading auxiliary device based on relay drive in the embodiment of the present utility model is as follows: based on the integrated control function of the controller, in conjunction with various types of electrical components and functional components, corresponding start and stop time intervals are set according to actual application scenarios, and the actual working state of the handheld meter reading is controlled by relay drive, thereby simplifying the actual operation steps of the staff, so that the handheld meter reading will not be in the open state for a long time, saving electricity and labor costs, and can provide comprehensive protection for the handheld meter reading and ensure the accuracy of water consumption counting.

[0039] Due to the characteristics of handheld meter reading, it is often in an on or off state. If the staff uses manual operation, the overall workload is large and the operation frequency is high, which affects the normal use of the handheld meter. Based on this, the handheld meter reading auxiliary device based on relay drive in this application can better solve the above-mentioned problems.

[0040] The overall solution mainly includes a shell 1, in which an auxiliary slot 2 is provided, and the auxiliary slot 2 is used to place the handheld meter to be used; buffer springs 3 are respectively provided in the shell 1 on both sides of the auxiliary slot 2 to provide buffering elasticity for the handheld meter and provide protection for the handheld meter; power supply interfaces 4 are respectively provided at the top and bottom of the auxiliary slot, and the power supply interfaces 4 are used to electrically connect the handheld meter to provide power for the handheld meter; a controller is provided in the shell, and the controller is electrically connected to the power supply interface through a driver to use a relay signal to drive the switch start and stop state of the handheld meter; a timer is electrically connected to the controller, and the timer is used to set the start and stop time interval of the handheld meter. The controller is connected to a host computer via a wireless transceiver to remotely transmit the counted water consumption data to the host computer; the controller is also connected to an audible and visual alarm, and the audible and visual alarm is used to transmit an audible and visual alarm signal when an abnormal condition occurs in the handheld meter.

[0041] The core components of this application are the auxiliary slot and the controller; the auxiliary slot is a concave slot with rounded corners, which cooperates with the buffer springs set on both sides to provide comprehensive protection for the handheld meter reading; the handheld meter reading is connected and installed through the power interface at the top and bottom of the auxiliary slot, realizing internal electrical connection and communication while ensuring stable installation.

[0042] On the other hand, the controller model is STM32F103C8T6, and 64 pins are provided on the controller. The controller is connected to the wireless transceiver through pins 21 and 22, the controller is connected to the sound and light alarm through pins 33 and 34, the controller is connected to the timer through pin 38, and the controller is connected to the driver through pin 40, thus forming an overall hardware circuit, and relying on the above-mentioned overall hardware circuit to realize the electrical connection and trigger control adjustment of the handheld meter reading.

[0043] Preferably, the model of the wireless transceiver is ESP8266, and 8 pins are provided on the wireless transceiver. The wireless transceiver is connected to the pin 21 of the controller through the pin 4, and the wireless transceiver is connected to the pin 22 of the controller through the pin 8. A stable wireless communication connection is established between the controller and the wireless transceiver, and the data obtained by the handheld meter reading is accurately transmitted to the host computer.

[0044] Preferably, the model of the timer is DS1302, and 8 pins are provided on the timer. A fourth resistor and a fourth capacitor are provided between pins 6 and 7 of the timer. Pin 7 of the timer is connected to pin 38 of the controller. The start and stop time intervals of the handheld meter reading can be set according to the specific conditions of the actual application scenario. Generally, the start and stop time intervals correspond to the time taken by the staff to move between the two counting locations.

[0045] Preferably, the driver model is ULN2003, and 16 pins are provided on the driver. The driver is connected to pin 40 of the controller via pin 1, and a first relay is connected to pin 16 of the driver. A first resistor and a first diode connected in parallel are provided on the first relay. A drive interface is provided on the first relay to connect to the power interface of the handheld meter reading; the first resistor is a current limiting resistor to reduce the operating current of the handheld meter reading.

[0046] In actual use, the handheld meter reader is electrically connected and installed in the auxiliary slot 2 through the power interface 4. The controller transmits a control instruction to the driver, and the driver sends a relay drive signal, turning on the handheld meter reader to enter the start state and count the water consumption data. When one water consumption data count is completed, the driver stops attracting and sending the relay drive signal, the handheld meter reader loses power and stops, and the timer starts timing. After the set start-stop time interval is reached, that is, the staff arrives at the next counting location, the driver continues to send the relay drive signal, the handheld meter reader restarts, and completes the next water consumption data count.

[0047] Repeat the above operations to complete the water consumption data counting and statistics of all counting locations one by one, which can not only ensure the acquisition of accurate water consumption data, but also provide protection for handheld meter reading; in the process of obtaining water consumption data, under the action of the wireless transceiver, the obtained water consumption data will be uploaded to the host computer in real time and accurately, realizing remote communication.

[0048] It is particularly noted that a hand-held handle 5 is provided on the back of the housing 1 to facilitate staff to operate the device by hand.

[0049] In summary, the relay-driven handheld meter reading auxiliary device in the embodiment of the present invention is based on the integrated control function of the controller, cooperates with various types of electrical components and functional components, sets the corresponding start and stop time intervals according to the actual application scenario, and uses relay drive to control the actual working state of the handheld meter reading, thereby simplifying the actual operation steps of the staff, so that the handheld meter reading will not be in the open state for a long time, saving electricity and labor costs, and can provide comprehensive protection for the handheld meter reading while ensuring the accuracy of water consumption counting.

[0050] The above specific implementation methods cannot be used as a limitation on the protection scope of the present utility model. For those skilled in the art, any replacement, improvement or transformation made to the implementation methods of the present utility model falls within the protection scope of the present utility model.

[0051] Anything not described in detail in the present invention is well known to those skilled in the art.

Claims

1. A handheld meter reading auxiliary device based on relay drive, characterized by: The utility model comprises a housing, wherein an auxiliary slot is provided in the housing, wherein the auxiliary slot is used to place a handheld meter reader to be used; buffer springs are respectively provided in the housing on both sides of the auxiliary slot to provide buffering elastic force for the handheld meter reader and provide protection for the handheld meter reader; Power supply interfaces are provided at the top and bottom of the auxiliary tank, respectively, and are used to electrically connect to the handheld meter reader to provide power for the handheld meter reader; A controller is provided in the housing, and the controller is electrically connected to the power interface through a driver to drive the switch start and stop state of the handheld meter reading by using a relay signal; A timer is electrically connected to the controller, and the timer is used to set the start and stop time intervals of the handheld meter reading. The controller is connected to a host computer via a wireless transceiver to remotely transmit the counted water consumption data to the host computer; the controller is also connected to an audible and visual alarm, and the audible and visual alarm is used to transmit an audible and visual alarm signal when an abnormal condition occurs in the handheld meter reading.

2. The handheld meter reading auxiliary device based on relay drive according to claim 1 is characterized in that: The auxiliary groove has a rounded transition.

3. The handheld meter reading auxiliary device based on relay drive according to claim 1, characterized in that: A hand-held handle is provided on the back of the housing.

4. The handheld meter reading auxiliary device based on relay drive according to claim 1, characterized in that: The model of the controller is STM32F103C8T6, and 64 pins are provided on the controller. The controller is connected to the wireless transceiver through pin 21 and pin 22, the controller is connected to the sound and light alarm through pin 33 and pin 34, the controller is connected to the timer through pin 38, and the controller is connected to the driver through pin 40.

5. The handheld meter reading auxiliary device based on relay drive according to claim 4 is characterized in that: The model of the wireless transceiver is ESP8266, and 8 pins are provided on the wireless transceiver. The wireless transceiver is connected to the pin 21 of the controller through the pin 4, and the wireless transceiver is connected to the pin 22 of the controller through the pin 8.

6. The handheld meter reading auxiliary device based on relay drive according to claim 4 is characterized in that: The sound and light alarm includes a first electromagnetic relay and a second electromagnetic relay. A red indicator light is connected to the first electromagnetic relay, and a speaker is connected to the second electromagnetic relay. The first electromagnetic relay is connected to pin 34 of the controller, and the second electromagnetic relay is connected to pin 33 of the controller.

7. The handheld meter reading auxiliary device based on relay drive according to claim 4, characterized in that: The model of the timer is DS1302, and there are 8 pins on the timer. A fourth resistor and a fourth capacitor are provided between pins 6 and 7 of the timer, and pin 7 of the timer is connected to pin 38 of the controller.

8. The handheld meter reading auxiliary device based on relay drive according to claim 4, characterized in that: The driver model is ULN2003, and is provided with 16 pins. The driver is connected to pin 40 of the controller via pin 1. A first relay is connected to pin 16 of the driver. A first resistor and a first diode connected in parallel are provided on the first relay. A drive interface is provided on the first relay to connect to the power interface of the handheld meter reading. The first resistor is a current limiting resistor to reduce the operating current of the handheld meter reading.