CN220795670U - Heat exchange station data acquisition device - Google Patents
Heat exchange station data acquisition device Download PDFInfo
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- CN220795670U CN220795670U CN202321873822.1U CN202321873822U CN220795670U CN 220795670 U CN220795670 U CN 220795670U CN 202321873822 U CN202321873822 U CN 202321873822U CN 220795670 U CN220795670 U CN 220795670U
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- exchange station
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 238000012545 processing Methods 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 10
- 238000011156 evaluation Methods 0.000 claims description 7
- 230000001502 supplementing effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000011217 control strategy Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model discloses a heat exchange station data acquisition device, which relates to the technical field of data acquisition devices and comprises: the master controller is used for receiving data and sending out control signals; the output end of the data processing module is electrically connected with the input end of the master controller and is used for processing the acquired data and judging whether various data reach a preset safety threshold value or not; the transmission module, transmission module input with total controller output electric connection, transmission module is used for accepting the control signal that total controller sent, transmission module output and inlet tube valve, circulating pump, relief valve and moisturizing pump's input electric connection, wherein, the inlet tube valve is used for controlling the intake of hot water, the circulating pump is used for sending hot water to user department from the heat exchange station, and simultaneously returns the cold water of user department to the heat exchange station and heats, the relief valve is used for reducing the operating pressure in the pipeline at the pipeline, and the moisturizing pump is used for carrying out the secondary moisturizing to the pipeline.
Description
Technical Field
The utility model relates to the technical field of data acquisition devices, in particular to a data acquisition device of a heat exchange station.
Background
The heat exchange station data acquisition device is a device for acquiring and monitoring the operation data of the heat exchange station. A heat exchange station refers to a central heating facility for heat supply, which transfers thermal energy from a heating system to a consumer system through a heat exchanger. The data acquisition device can be arranged in the heat exchange station, and can acquire the operation data of the heat exchange station in real time through the equipment such as a sensor, an instrument and the like, such as the heating water temperature, the return water temperature, the flow, the pressure and the like. The data can be used for monitoring the running state, the energy consumption condition and the fault diagnosis of the heat exchange station, and helping operation and maintenance personnel to find problems in time and carry out adjustment and maintenance. The heat exchange station data acquisition device can transmit data through a network, so that remote monitoring and management are realized, and the operation efficiency and reliability of a heating system are improved.
The existing heat exchange station data acquisition device generally only acquires various data in a heat exchanger, does not have a function of controlling and adjusting a system in real time, and in actual operation, the system requirements and conditions may change and the control strategy needs to be adjusted. The data acquisition device without control function cannot adapt to the changes autonomously, needs manual intervention and modification of control equipment, for example, cannot adjust the water supply temperature or flow according to the requirement, and according to the above problems, a data acquisition device of a heat exchange station is proposed to solve.
Disclosure of utility model
In order to solve the technical problems, the data acquisition device for the heat exchange station is provided, and the problem that the existing data acquisition device for the heat exchange station generally only acquires various data in a heat exchanger and does not have a function of controlling and adjusting a system in real time is solved, and in actual operation, the requirements and conditions of the system can change, and a control strategy needs to be adjusted. The data acquisition device without control function cannot adapt to these changes autonomously, and requires manual intervention and modification of the control equipment, for example, the problem of not being able to adjust the water supply temperature or flow according to the requirements.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat exchange station data acquisition device comprising:
the master controller is used for receiving data and sending out control signals;
the output end of the data processing module is electrically connected with the input end of the master controller and is used for processing the acquired data and judging whether various data reach a preset safety threshold value or not;
The transmission module, transmission module input with total controller output electric connection, transmission module is used for accepting the control signal that total controller sent, transmission module output and inlet tube valve, circulating pump, relief valve and moisturizing pump's input electric connection, wherein, the inlet tube valve is used for controlling the intake of hot water, the circulating pump is used for sending the user department from the heat exchange station with hot water, and the cold water with user department returns the heat exchange station simultaneously and heats, the relief valve is used for in the pipeline operating pressure reaches the threshold value in time reduces operating pressure in the pipeline, and the moisturizing pump is used for carrying out secondary moisturizing when circulating water is not enough in the pipeline.
Preferably, the input end of the data processing module is electrically connected with the data acquisition module, wherein the data acquisition module is composed of a liquid level sensor, a water temperature sensor, a pressure sensor, a flow sensor and a valve opening sensor, the liquid level sensor, the water temperature sensor, the pressure sensor, the flow sensor and the valve opening sensor are all arranged inside the heat exchanger, the data acquisition module respectively acquires data of the liquid level sensor, the water temperature sensor, the pressure sensor, the flow sensor and the valve opening sensor in a pipeline, the liquid level is detected by the liquid level sensor, the water temperature is detected by the water temperature sensor, the pressure is detected by the pressure sensor, the flow speed and the flow are detected by the flow sensor, and the valve opening is detected by the valve opening sensor.
Preferably, the controller is in communication connection with a plurality of metering devices through an RS485 bus.
Preferably, the plurality of metering devices include a liquid level meter, a water temperature meter, a pressure meter, a flow meter, and a valve opening meter.
Preferably, the master controller is electrically connected with the communication module, the communication module establishes network connection with the cloud data storage center, and data acquired by the data acquisition module are transmitted to the cloud data storage center.
Preferably, the plurality of metering devices are all connected with a safety evaluation module, the safety evaluation module is electrically connected with an alarm device, the safety evaluation module is used for evaluating whether the liquid level, the water temperature, the pressure, the flow and the valve opening reach alarm values, and the alarm device is used for reminding workers that the liquid level or the water temperature or the pressure or the flow or the valve opening in the pipeline reach a critical value.
Compared with the prior art, the utility model has the advantages that: according to the utility model, the data acquisition module is arranged to acquire various data of the liquid level, the water temperature, the pressure, the flow and the valve opening in the heat exchanger, the data processing module judges whether the various data reach the safety threshold, the controller controls the water inlet pipe valve to adjust the liquid level according to the data sent by the data processing module, the circulating pump frequency is changed to adjust the heat exchange efficiency to control the water temperature, the opening or closing of the pressure relief valve is adjusted to adjust the pressure, the opening of the valve is adjusted to adjust the flow, the opening of the water supplementing pump is used for determining whether the water supplementing is carried out in the pipeline, the system is controlled and adjusted in real time through the arrangement, and the system is automatically adapted to the change, and the automatic control can be carried out only by inputting a preset numerical device without manual intervention and modification of control equipment.
Drawings
FIG. 1 is a flow chart of the present utility model.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
Referring to fig. 1, a heat exchange station data acquisition device includes:
The master controller adopts a Siemens S7-200CN PLC programmable controller, and is used for receiving data sent by the data processing module and sending out control signals;
The output end of the data processing module is electrically connected with the input end of the master controller and is used for processing the acquired data and judging whether various data reach a preset safety threshold, wherein the various data comprise liquid level height, water temperature, pressure in the device, speed of flow velocity in a pipeline, flow quantity and valve opening;
The transmission module is used for receiving control signals sent by the master controller, the output end of the transmission module is electrically connected with the input end of a water inlet pipe valve, a circulating pump, a pressure relief valve and a water supplementing pump, and signals are transmitted to the water inlet pipe valve, the circulating pump, the pressure relief valve and the water supplementing pump through buses, wherein the water inlet pipe valve is used for controlling the entering amount of hot water, the circulating pump is used for conveying the hot water from a heat exchange station to a user, meanwhile, cold water at the user is returned to the heat exchange station for heating, the pressure relief valve is used for achieving a threshold value in a pipeline and timely reducing the working pressure in the pipeline, the safety of the pipeline is guaranteed, and when the circulating water in the pipeline is insufficient, secondary water supplementing is timely carried out, so that the height of the liquid level in the whole system is guaranteed.
The data processing module input and data acquisition module electric connection, wherein, data acquisition module comprises level sensor, temperature sensor, pressure sensor, flow sensor and valve aperture sensor, level sensor, temperature sensor, pressure sensor, flow sensor and valve aperture sensor all install inside the heat exchanger, wherein, data acquisition module gathers liquid level sensor, temperature sensor, pressure sensor, flow sensor and valve aperture sensor's data in the pipeline respectively, and wherein the liquid level height is detected by level sensor, and the temperature height is detected by temperature sensor, and pressure size has pressure sensor to detect, and velocity of flow is slow, flow size is detected by flow sensor, and the valve aperture is detected by valve aperture sensor.
The controller is connected with a plurality of metering devices in a communication way through the RS485 bus, and the plurality of metering devices are all visual meters, so that staff can observe various numerical values directly.
The plurality of metering devices include a liquid level meter, a water temperature meter, a pressure meter, a flow meter, and a valve opening meter.
The main controller is electrically connected with the communication module, the communication module is connected with the cloud data storage center in a network mode, data acquired by the data acquisition module are transmitted to the cloud data storage center, the communication module and the cloud data storage center adopt wireless transmission data, the cloud data storage center is used for storing data detected in the heat exchanger, abnormal-free data are automatically deleted every month, and the problem that the next batch of data cannot be stored due to excessive storage capacity of the data storage center is avoided.
The safety evaluation module is electrically connected with the alarm device, and is used for evaluating whether the liquid level, the water temperature, the pressure, the flow and the valve opening reach the alarm values or not, the alarm device is used for reminding the staff that the liquid level, the water temperature, the pressure, the flow or the valve opening reach the critical value, and the alarm device sounds to remind the staff after the liquid level, the water temperature, the pressure, the flow or the valve opening reach the critical value, and the staff is required to be stopped or manually intervened.
Working principle: when the heat exchanger data acquisition device is used, firstly, a heat source reaches the heat exchanger to replace heat, a liquid level sensor, a water temperature sensor, a pressure sensor, a flow sensor and a valve opening sensor in the heat exchanger detect the liquid level, the water temperature, the pressure, the flow and the valve opening in the heat exchanger, each sensor forms a data acquisition module, the data acquisition module transmits acquired data to a data processing module, the data processing module judges whether each item of data reaches a safety threshold value or not, a judging result is sent to a controller, and the controller determines whether to control a water inlet pipe valve to adjust the liquid level, a circulating pump to adjust the water temperature through frequency conversion, opening or closing of a pressure relief valve to adjust the pressure and the opening of the valve to adjust the flow according to the data judged by the data processing module, and the opening of a water supplementing pump supplements water in a pipeline to control and adjust the system in real time and adapt to the requirements and conditions in the system independently.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. A heat exchange station data acquisition device, comprising:
the master controller is used for receiving data and sending out control signals;
The output end of the data processing module is electrically connected with the input end of the master controller and is used for processing the acquired data and judging whether the data reaches a preset safety threshold value or not;
The transmission module, transmission module input with total controller output electric connection, transmission module is used for accepting the control signal that total controller sent, transmission module output and inlet tube valve, circulating pump, relief valve and moisturizing pump's input electric connection, wherein, the inlet tube valve is used for controlling the intake of hot water, the circulating pump is used for sending the user department from the heat exchange station with hot water, and the cold water with user department returns the heat exchange station simultaneously and heats, the relief valve is used for in the pipeline operating pressure reaches the threshold value in time reduces operating pressure in the pipeline, and the moisturizing pump is used for carrying out secondary moisturizing when circulating water is not enough in the pipeline.
2. A heat exchange station data acquisition device according to claim 1, wherein: the data processing module input and data acquisition module electric connection, wherein, data acquisition module comprises level sensor, temperature sensor, pressure sensor, flow sensor and valve aperture sensor, level sensor, temperature sensor, pressure sensor, flow sensor and valve aperture sensor all install inside the heat exchanger, wherein, data acquisition module gathers liquid level sensor, temperature sensor, pressure sensor, flow sensor and valve aperture sensor's data in the pipeline respectively, and wherein the liquid level height is detected by level sensor, and the temperature height is detected by temperature sensor, and pressure size has pressure sensor to detect, and velocity of flow is slow, flow size is detected by flow sensor, and the valve aperture is detected by valve aperture sensor.
3. A heat exchange station data acquisition device according to claim 2, wherein: the controller is in communication connection with a plurality of metering devices through an RS485 bus.
4. A heat exchange station data acquisition device according to claim 3, wherein: the plurality of metering devices include a liquid level meter, a water temperature meter, a pressure meter, a flow meter, and a valve opening meter.
5. A heat exchange station data acquisition device according to claim 1, wherein: the master controller is electrically connected with the communication module, the communication module is connected with the cloud data storage center in a network mode, and data acquired by the data acquisition module are transmitted to the cloud data storage center.
6. A heat exchange station data acquisition device according to claim 3, wherein: the metering devices are electrically connected with the safety evaluation module, the safety evaluation module is electrically connected with the alarm device, the safety evaluation module is used for evaluating whether the liquid level, the water temperature, the pressure, the flow and the valve opening reach alarm values, and the alarm device is used for reminding workers of the liquid level or the water temperature or the pressure or the flow or the valve opening in the pipeline reaching critical values.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873822.1U CN220795670U (en) | 2023-07-17 | 2023-07-17 | Heat exchange station data acquisition device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321873822.1U CN220795670U (en) | 2023-07-17 | 2023-07-17 | Heat exchange station data acquisition device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220795670U true CN220795670U (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321873822.1U Active CN220795670U (en) | 2023-07-17 | 2023-07-17 | Heat exchange station data acquisition device |
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| Country | Link |
|---|---|
| CN (1) | CN220795670U (en) |
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2023
- 2023-07-17 CN CN202321873822.1U patent/CN220795670U/en active Active
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