CN220673454U - Dual-power-supply ultrasonic heat meter - Google Patents
Dual-power-supply ultrasonic heat meter Download PDFInfo
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- CN220673454U CN220673454U CN202323594516.7U CN202323594516U CN220673454U CN 220673454 U CN220673454 U CN 220673454U CN 202323594516 U CN202323594516 U CN 202323594516U CN 220673454 U CN220673454 U CN 220673454U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a double-power-supply ultrasonic heat meter, and belongs to the technical field of heat meters. The device comprises a base table, a control chamber, a power supply control board and a battery pack, wherein the control chamber is fixed on the base table through a base, a heat meter control board is arranged in the control chamber, and the power supply control board and the battery pack are arranged on the inner side of the control chamber; the battery pack comprises a first rechargeable battery and a second rechargeable battery; the double-power-supply ultrasonic heat meter comprises a power supply control panel, a first electric control switch circuit, a second electric control switch circuit, a power supply interface, an alarm circuit and an electric quantity monitoring module, wherein the control end of the first switch module is connected to the controller, and the output end of the power supply interface is respectively connected to the input ends of the first electric control switch circuit and the second electric control switch circuit.
Description
Technical Field
The utility model particularly relates to a double-power-supply ultrasonic heat meter, and belongs to the technical field of heat meters.
Background
The ultrasonic heat meter measures flow through an ultrasonic method and displays the heat energy released or absorbed by water flowing through the heat exchange system; the conventional ultrasonic heat meter comprises a base meter, a control chamber and a base, wherein the control chamber consists of a bottom shell and an upper cover, the control chamber is fixedly installed with the base meter through the base, a control board and a power supply battery which is electrically connected with the control board and supplies power to the control board are installed in the installation chamber; in the use process of the ultrasonic heat meter, the power supply battery continuously consumes energy, when the power supply battery has low electric quantity, if the power supply battery is not charged in time, the phenomenon of power failure of the ultrasonic heat meter can be caused, and the traditional ultrasonic heat meter is like Chinese patent publication number: CN218271134U, a double-power supply ultrasonic heat meter is disclosed, through setting up power supply battery and external power supply, adopts the double power supply mode, and the first choice external electric work of ultrasonic heat meter converts 3.6V lithium cell power supply when external electricity disconnection, and under the external power supply condition was existence in above-mentioned scheme, can guarantee to last the power supply, under the condition that does not have external power supply, appears the outage phenomenon easily.
Disclosure of Invention
In order to solve the problems, the utility model provides the double-power-supply ultrasonic heat meter, which adopts double-power batteries to alternately supply power, can prolong the power supply time of the batteries in the heat meter, and can continuously carry out low-power charge reminding when a certain battery has low power.
The double-power-supply ultrasonic heat meter comprises a base meter and a control chamber, wherein the control chamber is fixed on the base meter through a base, a heat meter control board is arranged in the control chamber, and the double-power-supply ultrasonic heat meter further comprises a power supply control board and a battery pack, wherein the power supply control board and the battery pack are arranged on the inner side of the control chamber; the battery pack comprises a first rechargeable battery and a second rechargeable battery; the power supply control board includes:
a PCB board;
the switch module comprises a first electric control switch circuit, a second electric control switch circuit, a third electric control switch circuit and a fourth electric control switch circuit;
the control ends of the first electric control switch circuit, the second electric control switch circuit, the third electric control switch circuit and the fourth electric control switch circuit are connected to the controller;
the charging interface is embedded on the control chamber; the output ends of the charging interface are respectively connected to the input ends of the first electric control switch circuit and the second electric control switch circuit, and the output ends of the first electric control switch circuit and the second electric control switch circuit are respectively connected to the first rechargeable battery and the second rechargeable battery;
the power supply interface is fixed on the PCB, the input end of the power supply interface is connected to the output ends of the third electric control switch circuit and the fourth electric control switch circuit, and the input ends of the third electric control switch circuit and the fourth electric control switch circuit are respectively connected to the first rechargeable battery and the second rechargeable battery; the power supply interface is connected to the power supply end of the calorimeter control board;
the control end of the alarm circuit is connected to the controller;
the detection end of the electric quantity monitoring module is connected to the first rechargeable battery and the second rechargeable battery; and the output end of the electric quantity monitoring module is connected to the controller.
The electric quantity monitoring module monitors the electric quantity of the first rechargeable battery and the second rechargeable battery, transmits the electric quantity to the controller, compares the detected electric quantity with a set threshold value through the controller, and when the electric quantity is lower than the set threshold value, the controller sends an alarm signal to the alarm circuit, and meanwhile, performs switching, for example, after the first rechargeable battery works to a low electric quantity, the second rechargeable battery and the first rechargeable battery need to be switched, the switching process is as follows, a fourth electric control switch circuit is started, a third electric control switch circuit is closed, the second rechargeable battery is connected to a power supply interface, the first rechargeable battery is disconnected from the power supply interface, then, the second electric control switch circuit is kept in an off state, and the first electric control switch circuit is started; the charging interface is communicated with the first rechargeable battery, and then the charging interface is communicated with an external power supply, wherein the external power supply can adopt a mobile power supply or an adapter, and the adapter is connected with a mains supply; after the first rechargeable battery is fully charged, the controller sends a cancel alarm signal to the alarm circuit to finish charging of the first rechargeable battery.
Further, the electric quantity monitoring module comprises a first electric quantity monitor electrically connected with the first rechargeable battery and a second electric quantity monitor electrically connected with the second rechargeable battery; the first electric quantity monitor and the second electric quantity monitor are connected to the controller; the first rechargeable battery and the second rechargeable battery are monitored through the first electric quantity monitor and the second electric quantity monitor respectively, and monitoring results are alternately transmitted to the controller.
Further, the electric quantity monitoring module comprises a fifth electric control switch circuit electrically connected with the first rechargeable battery and a sixth electric control switch circuit electrically connected with the second rechargeable battery; the output ends of the fifth electric control switch circuit and the sixth electric control switch circuit are connected to the detection end of the electric quantity monitor; the output end of the electric quantity monitor is connected to the controller; when the electric quantity is monitored, the fifth electric control switch circuit and the sixth electric control switch circuit are used for conducting polling and alternating starting, so that the electric quantity monitor is used for alternately connecting the first rechargeable battery and the second rechargeable battery, the electric quantity monitor is used for alternately monitoring the first rechargeable battery and the second rechargeable battery, and monitoring results are fed back to the controller.
Further, the first to sixth electric control switch circuits are composed of a relay switch circuit, a triode switch circuit or a MOS tube switch circuit; the controller is composed of a single-chip microcomputer minimum system, and the alarm circuit is composed of an LED indication circuit or a buzzer alarm circuit; the first to sixth electric control switch circuits can adopt relay switch circuit type mechanical switch or triode switch circuit or MOS tube switch circuit type soft switch; when the first rechargeable battery or the second rechargeable battery is in a low-power state, the controller sends an alarm signal to the alarm circuit, and the LED or the buzzer of the alarm circuit performs audible and visual alarm.
Further, the output end of the power supply interface is connected to a voltage stabilizing module, the voltage stabilizing module is connected to the power end of the heat meter control board, when the first rechargeable battery or the second rechargeable battery is in a low-power state, the first rechargeable battery and the second rechargeable battery are synchronously connected, and then the first rechargeable battery or the second rechargeable battery in the low-power state is disconnected, and the first rechargeable battery or the second rechargeable battery in a full-power state is continuously connected; when the first rechargeable battery and the second rechargeable battery are synchronously connected, power supply fluctuation occurs in the power supply interface, and at the moment, the input power supply fluctuation is balanced through the voltage stabilizing module, so that the output end of the voltage stabilizing module is in a smooth state; thereby being capable of providing a stable power supply for the power end of the heat meter control board; the stabilized power supply output by the voltage stabilizing module synchronously supplies power to the switch module, the controller and the alarm circuit.
Further, the controller is in communication connection with the control module of the heat meter control board, the electric quantity monitoring module continuously monitors the electric quantity of the first rechargeable battery and the second rechargeable battery, when the electric quantity is lower than a set threshold value, the controller sends alarm information to the control module of the heat meter control board, and the control module of the heat meter control board sends a low-electric quantity instruction to the remote management platform through the online meter reading network, so that a charging instruction is sent to a heat meter installation user through the remote management platform.
Compared with the prior art, the double-power-supply ultrasonic heat meter adopts double batteries to supply power alternately, so that the power supply duration of the batteries in the heat meter can be prolonged, and when the first rechargeable battery or the second rechargeable battery has low electric quantity, the low-electric-quantity charging reminding can be continuously carried out, and the phenomenon of power failure is avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural diagram of a power supply control board according to embodiment 1 of the present utility model.
Fig. 3 is a schematic structural diagram of a power supply control board according to embodiment 2 of the present utility model.
Fig. 4 is a schematic structural diagram of a power supply control board according to embodiment 3 of the present utility model.
Fig. 5 is a schematic structural diagram of a power supply control board according to embodiment 4 of the present utility model.
Reference numerals: 1. base table, 2, control cavity, 3, base.
Detailed Description
Example 1:
the double-power-supply ultrasonic heat meter shown in fig. 1 and 2 comprises a base table 1 and a control chamber 2, wherein the control chamber 2 is fixed on the base table 1 through a base 3, a heat meter control board is arranged in the control chamber 2, and the double-power-supply ultrasonic heat meter further comprises a power supply control board and a battery pack, wherein the power supply control board and the battery pack are arranged on the inner side of the control chamber 2; the battery pack comprises a first rechargeable battery and a second rechargeable battery; the power supply control board includes:
a PCB board;
the switch module comprises a first electric control switch circuit, a second electric control switch circuit, a third electric control switch circuit and a fourth electric control switch circuit;
the control ends of the first electric control switch circuit, the second electric control switch circuit, the third electric control switch circuit and the fourth electric control switch circuit are connected to the controller;
the charging interface is embedded on the control chamber 2; the output ends of the charging interface are respectively connected to the input ends of the first electric control switch circuit and the second electric control switch circuit, and the output ends of the first electric control switch circuit and the second electric control switch circuit are respectively connected to the first rechargeable battery and the second rechargeable battery;
the power supply interface is fixed on the PCB, the input end of the power supply interface is connected to the output ends of the third electric control switch circuit and the fourth electric control switch circuit, and the input ends of the third electric control switch circuit and the fourth electric control switch circuit are respectively connected to the first rechargeable battery and the second rechargeable battery; the power supply interface is connected to the power supply end of the calorimeter control board;
the control end of the alarm circuit is connected to the controller;
the detection end of the electric quantity monitoring module is connected to the first rechargeable battery and the second rechargeable battery; and the output end of the electric quantity monitoring module is connected to the controller.
The electric quantity monitoring module monitors the electric quantity of the first rechargeable battery and the second rechargeable battery, transmits the electric quantity to the controller, compares the detected electric quantity with a set threshold value through the controller, and when the electric quantity is lower than the set threshold value, the controller sends an alarm signal to the alarm circuit, and meanwhile, performs switching, for example, after the first rechargeable battery works to a low electric quantity, the second rechargeable battery and the first rechargeable battery need to be switched, the switching process is as follows, a fourth electric control switch circuit is started, a third electric control switch circuit is closed, the second rechargeable battery is connected to a power supply interface, the first rechargeable battery is disconnected from the power supply interface, then, the second electric control switch circuit is kept in an off state, and the first electric control switch circuit is started; the charging interface is communicated with the first rechargeable battery, and then the charging interface is communicated with an external power supply, wherein the external power supply can adopt a mobile power supply or an adapter, and the adapter is connected with a mains supply; after the first rechargeable battery is fully charged, the controller sends a cancel alarm signal to the alarm circuit to finish charging of the first rechargeable battery.
The electric quantity monitoring module comprises a first electric quantity monitor electrically connected with the first rechargeable battery and a second electric quantity monitor electrically connected with the second rechargeable battery; the first electric quantity monitor and the second electric quantity monitor are connected to the controller; the first rechargeable battery and the second rechargeable battery are monitored through the first electric quantity monitor and the second electric quantity monitor respectively, and monitoring results are alternately transmitted to the controller.
The electric quantity monitoring module comprises a fifth electric control switch circuit electrically connected with the first rechargeable battery and a sixth electric control switch circuit electrically connected with the second rechargeable battery; the output ends of the fifth electric control switch circuit and the sixth electric control switch circuit are connected to the detection end of the electric quantity monitor; the output end of the electric quantity monitor is connected to the controller; when the electric quantity is monitored, the fifth electric control switch circuit and the sixth electric control switch circuit are used for conducting polling and alternating starting, so that the electric quantity monitor is used for alternately connecting the first rechargeable battery and the second rechargeable battery, the electric quantity monitor is used for alternately monitoring the first rechargeable battery and the second rechargeable battery, and monitoring results are fed back to the controller.
Example 2:
as shown in fig. 3, the first to sixth electric control switch circuits are composed of a relay switch circuit, a triode switch circuit or a MOS transistor switch circuit; the controller is composed of a single-chip microcomputer minimum system, and the alarm circuit is composed of an LED indication circuit or a buzzer alarm circuit; the first to sixth electric control switch circuits can adopt relay switch circuit type mechanical switch or triode switch circuit or MOS tube switch circuit type soft switch; when the first rechargeable battery or the second rechargeable battery is in a low-power state, the controller sends an alarm signal to the alarm circuit, and the LED or the buzzer of the alarm circuit performs audible and visual alarm.
Example 3:
the output end of the power supply interface is connected to a voltage stabilizing module, the voltage stabilizing module is connected to the power end of the heat meter control board, when the first rechargeable battery or the second rechargeable battery is in a low-power state, the first rechargeable battery and the second rechargeable battery are synchronously turned on, and then the first rechargeable battery or the second rechargeable battery in the low-power state is turned off, so that the first rechargeable battery or the second rechargeable battery in the full-power state is continuously turned on; when the first rechargeable battery and the second rechargeable battery are synchronously connected, power supply fluctuation occurs in the power supply interface, and at the moment, the input power supply fluctuation is balanced through the voltage stabilizing module, so that the output end of the voltage stabilizing module is in a smooth state; thereby being capable of providing a stable power supply for the power end of the heat meter control board; the stabilized power supply output by the voltage stabilizing module synchronously supplies power to the switch module, the controller and the alarm circuit.
Example 4:
as shown in fig. 5, the controller is in communication connection with the control module of the heat meter control board, the electric quantity monitoring module continuously monitors the electric quantity of the first rechargeable battery and the second rechargeable battery, when the electric quantity is lower than a set threshold value, the controller sends alarm information to the control module of the heat meter control board, and the control module of the heat meter control board sends a low-electric quantity instruction to the remote management platform through the online meter reading network, so that a charging instruction is sent to a heat meter installation user through the remote management platform.
The above embodiments are merely preferred embodiments of the present utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (6)
1. The utility model provides a dual supply ultrasonic heat meter, includes base table and control cavity, control cavity is fixed in on the base table through the base, install the heat meter control panel in the control cavity, its characterized in that: the power supply control board and the battery pack are arranged on the inner side of the control chamber; the battery pack comprises a first rechargeable battery and a second rechargeable battery; the power supply control board includes:
a PCB board;
the switch module comprises a first electric control switch circuit, a second electric control switch circuit, a third electric control switch circuit and a fourth electric control switch circuit;
the control ends of the first electric control switch circuit, the second electric control switch circuit, the third electric control switch circuit and the fourth electric control switch circuit are connected to the controller;
the charging interface is embedded on the control chamber; the output ends of the charging interface are respectively connected to the input ends of the first electric control switch circuit and the second electric control switch circuit, and the output ends of the first electric control switch circuit and the second electric control switch circuit are respectively connected to the first rechargeable battery and the second rechargeable battery;
the power supply interface is fixed on the PCB, the input end of the power supply interface is connected to the output ends of the third electric control switch circuit and the fourth electric control switch circuit, and the input ends of the third electric control switch circuit and the fourth electric control switch circuit are respectively connected to the first rechargeable battery and the second rechargeable battery; the power supply interface is connected to the power supply end of the calorimeter control board;
the control end of the alarm circuit is connected to the controller;
the detection end of the electric quantity monitoring module is connected to the first rechargeable battery and the second rechargeable battery; and the output end of the electric quantity monitoring module is connected to the controller.
2. The dual-powered ultrasonic heat meter of claim 1 wherein: the electric quantity monitoring module comprises a first electric quantity monitor electrically connected with the first rechargeable battery and a second electric quantity monitor electrically connected with the second rechargeable battery; the first electric quantity monitor and the second electric quantity monitor are connected to the controller.
3. The dual-powered ultrasonic heat meter of claim 1 wherein: the electric quantity monitoring module comprises a fifth electric control switch circuit electrically connected with the first rechargeable battery and a sixth electric control switch circuit electrically connected with the second rechargeable battery; the output ends of the fifth electric control switch circuit and the sixth electric control switch circuit are connected to the detection end of the electric quantity monitor; and the output end of the electric quantity monitor is connected to the controller.
4. The dual-powered ultrasonic heat meter of claim 1 wherein: the first to sixth electric control switch circuits are composed of a relay switch circuit, a triode switch circuit or a MOS tube switch circuit; the controller is composed of a single chip microcomputer minimum system, and the alarm circuit is composed of an LED indication circuit or a buzzer alarm circuit.
5. The dual-powered ultrasonic heat meter of claim 1 wherein: the power supply interface output end is connected to the voltage stabilizing module, and the voltage stabilizing module is connected to the power end of the calorimeter control panel.
6. The dual-powered ultrasonic heat meter of claim 1 wherein: the controller is in communication connection with a control module of the calorimeter control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323594516.7U CN220673454U (en) | 2023-12-28 | 2023-12-28 | Dual-power-supply ultrasonic heat meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323594516.7U CN220673454U (en) | 2023-12-28 | 2023-12-28 | Dual-power-supply ultrasonic heat meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220673454U true CN220673454U (en) | 2024-03-26 |
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ID=90334961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323594516.7U Active CN220673454U (en) | 2023-12-28 | 2023-12-28 | Dual-power-supply ultrasonic heat meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220673454U (en) |
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2023
- 2023-12-28 CN CN202323594516.7U patent/CN220673454U/en active Active
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