CN108592135A - An intelligent hydraulic balance heating system based on the Internet of Things - Google Patents

Abstract

the invention discloses an intelligent hydraulic balance heating system based on the Internet of things, which comprises a primary network, a plate heat exchanger, a secondary network, a water supplementing device and an injection pump device, wherein data of temperature and pressure sensors of an injection port, an injection port and a mixing port in the injection pump device in the secondary network are transmitted to a gateway through L ORA communication, all data are transmitted to a control device through the gateway, the indoor temperature of a user is collected through temperature sensors in each room under the condition of balanced hydraulic distribution of the user, temperature signals are transmitted to the gateway through L ORA communication, all data are transmitted to the control device through the gateway, and the control device transmits opening degree signals to an adjusting control end of an electric adjusting actuator of an electric adjusting valve of the primary network through cloud calculation.

Description

An intelligent hydraulic balance heating system based on the Internet of Things

technical field

The invention relates to an automatic control technology of a heating system.

Background technique

Due to system design and construction problems, the traditional heating system inevitably has the problem of hydraulic imbalance. The traditional method is to solve the problem of hydraulic imbalance by using a balance valve. Due to the coupling and complexity of the heating system, it is difficult to adjust the balance valve and the effect is not obvious.

The opening of the primary network electric control valve of the traditional heating system is controlled by the outdoor air temperature collected by the climate compensator. The same outdoor temperature, but the humidity, wind speed, light and other factors are different, and the outdoor comprehensive meteorological temperature is different. Simply relying on the outdoor air temperature for control cannot realize the heating on demand of the system.

Contents of the invention

The purpose of the present invention is to provide an intelligent hydraulic balance heating system based on the Internet of Things to solve technical problems such as hydraulic imbalance and inability to realize on-demand heating of the traditional heating system.

In order to realize the above-mentioned purpose of the invention, the technical scheme adopted in the present invention is as follows:

An intelligent hydraulic balance heating system based on the Internet of Things, including a primary network, a plate heat exchanger, a secondary network, a water supply device and a jet pump device; the primary network includes heat source plants or boilers connected in sequence on the primary network pipeline Water outlet, primary network circulation pump, first medium end of plate heat exchanger, electric control valve and heat source plant or boiler return port; secondary network includes second medium end of plate heat exchanger, connection to second medium end of plate heat exchanger A group of heating user units that are connected to the water outlet and return pipes of the secondary pipe network line, and the water outlet and return water pipes of the secondary pipe network line at the second medium end of the plate heat exchanger respectively through the jet pump device installed in front of the building 1. The secondary network circulation pump and the replenishment water tank and the replenishment pump of the secondary network connected in series in the return water line of the secondary pipe network line; The data is transmitted to the gateway through LORA communication, and the gateway transmits all the data to a control device; in the case of balanced hydraulic distribution of users, the user's indoor temperature is collected through temperature sensors in each room, and the temperature signal is transmitted to the gateway through LORA communication. The gateway transmits all the data to the control device, and the control device transmits the opening degree signal to the control opening control terminal of the electric regulating actuator of the primary network electric regulating valve.

According to the intelligent hydraulic balance heating system based on the Internet of Things, the jet pump device includes a water supply pipe end connected in sequence, a first ball valve, a filter, a jet pump jet port, a jet pump, a jet pump mixing port, The second ball valve, the water supply pipe end of the hot user, and the return water pipe end of the hot user are connected to the ejection port of the jet pump through the third ball valve; three temperature and pressure sensors are respectively installed at the ejection port, ejection port and mixing port of the jet pump .

In the aforementioned intelligent hydraulic balance heating system based on the Internet of Things, the control device is a part of the cloud platform.

The advantages of the present invention are as follows:

1. Eliminate hydraulic imbalance in traditional heating systems.

2. By collecting the temperature and pressure of the spraying, priming and mixing places of the jet pump, the operating status of the system can be intuitively understood.

3. In the case of hydraulic balance in the heating system, the opening of the electric control valve of the primary network of the heat exchange station is adjusted by collecting room temperature signals, thereby controlling the water supply temperature of the secondary network, and finally realizing on-demand heating.

4. All collected data is transmitted to the gateway using LORA communication, and the gateway transmits the data to the cloud platform, and the cloud platform performs data analysis, thereby realizing the operation of the mobile APP or webpage monitoring system.

Description of drawings

Fig. 1 is a system block diagram of the present invention.

Fig. 2 is a schematic structural view of the jet pump of the present invention.

Numbers in the picture: 1 heat source plant or boiler, 2 primary network circulating pump, 3 plate heat exchanger, 4 electric control valve, 5 secondary network circulating pump, 6 replenishing water pump, 7 replenishing water tank, 8 jet pump device, 8-1 Ball valve, 8-2 filter, 8-3 temperature and pressure sensor, 8-4 injection pump, 9 heat users, 10 indoor temperature sensor, 11 gateway, 12 cloud platform.

Detailed ways

The composition of an intelligent hydraulic balance heating system based on the Internet of Things of the present invention is shown in Figure 1, including a primary network, a plate heat exchanger, a secondary network, a water supply device, and a jet pump device; the primary network includes sequentially connected The heat source plant or boiler outlet on the primary network pipeline, the primary network circulation pump, the first medium end of the plate heat exchanger, the electric control valve and the heat source plant or the boiler return port; the secondary network includes the second medium of the plate heat exchanger end, the outlet and return pipes of the secondary pipe network line connected to the second medium end of the plate heat exchanger, and the outlet and return water pipes of the secondary pipe network line at the second medium end of the plate heat A group of heat supply user units connected by the pump device, a secondary network circulation pump connected in series in the return water line of the secondary network line, a water replenishment tank and a water replenishment pump of the secondary network; the jet pump in the jet pump device The data of the temperature and pressure sensors at the injection port, the injection port and the mixing port are transmitted to the gateway through LORA communication, and the gateway transmits all the data to a control device; in the case of a balanced hydraulic distribution of the user, the user's indoor temperature is collected through the temperature sensors in each room , the temperature signal is transmitted to the gateway through LORA communication, and the gateway transmits all the data to the control device, the opening signal control terminal of the control device is connected with the control opening control terminal of the electric regulating actuator of the primary network electric regulating valve connect. The control device is a part of the cloud platform.

As shown in Figure 2, the jet pump device includes the water supply pipe end of the pipe network connected in sequence, the first ball valve, the filter, the jet pump injection port, the jet pump, the jet pump mixing port, the second ball valve and the heat user water supply pipe end. The end of the user's return water pipe is connected to the injection port of the jet pump through the third ball valve; three temperature and pressure sensors are respectively installed at the injection port, injection port and mixing port of the jet pump.

Working principle of the present invention:

By installing the jet pump device 8 in front of the building, the problem of hydraulic imbalance in the heating system can be eradicated, and the user's hydraulic distribution can be balanced. The data of the temperature and pressure sensors 8-3 of the injection port, injection port and mixing port in the jet pump device 8 are transmitted to the gateway 11 through LORA communication, and the gateway 11 transmits all the data to the cloud platform 12, so as to realize mobile phone APP or webpage viewing Operation of each thermal inlet.

In the case of balanced hydraulic distribution of users, by collecting the user's indoor temperature 10, the temperature signal is transmitted to the gateway 11 through LORA communication, and the gateway 11 transmits all data to the cloud platform 12, and the cloud platform 12 feeds back the opening degree signal after data analysis To the primary network electric control valve 4, the primary network electric control valve 4 controls the water supply temperature of the secondary network by adjusting the opening degree, so as to realize the system heating on demand.

Claims (3)

1. a kind of intelligent hydraulic equilibrium heating system based on Internet of Things, which is characterized in that including primary net, plate-type heat-exchange Device, secondary network, water replanishing device and injection pump installation；Primary net include the sequentially connected heating plant on a webmaster line or Boiler water outlet, primary net circulating pump, plate heat exchanger first medium end, electric control valve and heating plant or boiler blow-down water Mouthful；Secondary network include plate heat exchanger second medium end, connecting plate type heat exchanger second medium end secondary pipe cable water outlet with Water return pipeline, with the water outlet of the secondary pipe cable at plate heat exchanger second medium end and water return pipeline respectively by being installed additional before building Injection pump installation realizes one group of heat supply user unit of connection, the secondary network circulating pump being serially connected in secondary pipe cable water return pipeline With the water supply tank and small pump of secondary network；By jet port, ejecting port and the mixing mouth temperature/pressure sensor in the injection pump installation Data by LORA communication transfers to gateway, by gateway by all data transmissions a to control device；In user's waterpower point In the case of balancing, user indoor temperature is acquired by each indoor temperature sensor, temperature signal is led to by LORA News are transferred to gateway, and by gateway by all data transmissions to the control device, opening amount signal is transferred to by the control device The adjusting aperture control terminal of the motorized adjustment actuator of primary net electric control valve.

2. a kind of intelligent hydraulic equilibrium heating system based on Internet of Things according to claim 1, which is characterized in that spray It includes sequentially connected pipe network water supply pipe end, the first ball valve, filter, jet pump jet port, jet pump, jet pump to penetrate pump installation Mixing mouth, the second ball valve and heat user water supply pipe end, heat user return water pipe end are connected to the injection of jet pump by third ball valve Mouthful；At the jet port of jet pump, ejecting port and mixing mouth, it is separately installed with three temperature/pressure sensors.

3. a kind of intelligent hydraulic equilibrium heating system based on Internet of Things according to claim 1, which is characterized in that institute State the part that control device is cloud platform.