CN208671150U - Heat supply pumping plant - Google Patents

Heat supply pumping plant Download PDF

Info

Publication number
CN208671150U
CN208671150U CN201820882456.9U CN201820882456U CN208671150U CN 208671150 U CN208671150 U CN 208671150U CN 201820882456 U CN201820882456 U CN 201820882456U CN 208671150 U CN208671150 U CN 208671150U
Authority
CN
China
Prior art keywords
unit
water
moisturizing
pumping plant
heat supply
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820882456.9U
Other languages
Chinese (zh)
Inventor
曾智勇
余锐
万绪财
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Xie Cheng Power Engineering Design Co Ltd
Original Assignee
Sichuan Xie Cheng Power Engineering Design Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Xie Cheng Power Engineering Design Co Ltd filed Critical Sichuan Xie Cheng Power Engineering Design Co Ltd
Priority to CN201820882456.9U priority Critical patent/CN208671150U/en
Application granted granted Critical
Publication of CN208671150U publication Critical patent/CN208671150U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

The utility model is suitable for heating technical field, provides a kind of heat supply pumping plant, comprising: moisturizing dosing unit, the first monitoring unit, pumps for hot water supply net, execution unit, the second monitoring unit and control unit;The water inlet of pumps for hot water supply net is connected to by return pipe with the water outlet of load, and the water outlet of pumps for hot water supply net is connected to the water inlet of execution unit, and the water outlet of execution unit is connected to by water supplying pipe with the water inlet of load;The water inlet of moisturizing dosing unit is connected to outer tank, and the water outlet of moisturizing dosing unit is connected to the water outlet of the load;The water inlet of load is arranged in first monitoring unit, the water inlet of pumps for hot water supply net is arranged in second monitoring unit, control unit is connect with the first monitoring unit, the second monitoring unit and execution unit respectively, heating and flowing velocity of the control unit of above-mentioned pumping plant according to the parameter value for front and back of supplying water come control execution unit to water, improve heat stability and safety.

Description

Heat supply pumping plant
Technical field
The utility model belongs to heating technology field more particularly to a kind of heat supply pumping plant.
Background technique
Pumping plant is the hydraulic power that can be provided with certain pressure and flow and the device of Pneumatic pressure power, is one important dynamic Power integration of equipments device.And heat supply or cooling supply belong to a great people's livelihood engineering, it is ensured that provided in cold winter stable, safety Heat source power ensures normal life, the production of heating area;Therefore, it is safe and reliable for thermal power system be heating system peace Row for the national games is essential.
In the prior art, water supply and temperature etc. that pumping plant mainly uses hand operated control method to adjust pumping plant, so that The heat stability of pumping plant and safety are poor.
Utility model content
In view of this, the utility model embodiment provides a kind of heat supply pumping plant, to solve heat supply pumping plant in the prior art Stability and the poor problem of safety.
The utility model embodiment provides a kind of heat supply pumping plant, comprising: moisturizing dosing unit, the first monitoring unit, heat Net circulating pump, execution unit, the second monitoring unit and control unit;
The water inlet of the pumps for hot water supply net is connected to by return pipe with the water outlet of load, and the pumps for hot water supply net goes out The mouth of a river is connected to the water inlet of execution unit, and the water outlet of the execution unit is connected to by water supplying pipe with the water inlet of load; The water inlet of the moisturizing dosing unit is connected to outer tank, the water outlet of the moisturizing dosing unit and going out for the load Mouth of a river connection;
The water inlet of load is arranged in first monitoring unit, and second monitoring unit is arranged in pumps for hot water supply net Water inlet, described control unit connect with the first monitoring unit, the second monitoring unit and execution unit respectively.
Optionally, the moisturizing dosing unit includes moisturizing grug feeding jar and moisturizing dosing pump;
The input terminal of the moisturizing grug feeding jar is connected with outer tank, the output end of the moisturizing grug feeding jar and the moisturizing Dosing pump is connected, and the output end of the moisturizing dosing pump is connected to the water outlet of the load;
The moisturizing grug feeding jar is used to extract the water in the moisturizing grug feeding jar for storing water source, the moisturizing dosing pump Source.
Optionally, it is provided with water level alarm in the moisturizing grug feeding jar, when the water level in moisturizing grug feeding jar is beyond default Warning note is issued when range.
Optionally, first monitoring unit includes first pressure sensor and the first temperature sensor, second prison Controlling unit includes second pressure sensor and second temperature sensor;
The first pressure sensor is used to detect the water entry pressure of load, and first temperature sensor is negative for detecting What is carried enters coolant-temperature gage;The second pressure sensor is used to detect the water entry pressure of pumps for hot water supply net, the second temperature sensing What device was used to detect pumps for hot water supply net enters coolant-temperature gage.
Optionally, the execution unit includes heating subelement and frequency control subelement;
The heating subelement is used for the heating instructions according to control unit, heats to the return water;
The frequency control subelement is instructed according to the frequency modulation of control unit, and the flow velocity of the recirculated water is adjusted.
Optionally, the heat supply pumping plant further include: video monitor unit, for monitoring the real-time shape of key position in pumping plant State.
Optionally, in the heat supply pumping plant further include: data transmission unit, the data transmission unit and the video are supervised Unit connection is controlled, the video information transmission for obtaining the video monitor unit to terminal.
Optionally, the data transmission unit is wireless transmission unit and/or wire transmission unit.
Optionally, in the heat supply pumping plant further include: smoke alarm for detecting the smog information in pumping plant, and is worked as Smokescope issues warning note when being greater than preset value.
Optionally, described control unit is programmable controller PLC.
Existing beneficial effect is the utility model embodiment compared with prior art: the present embodiment passes through entering in load The first monitoring unit and the second monitoring unit is respectively set in the water inlet of the mouth of a river and pumps for hot water supply net, in going out for pumps for hot water supply net Execution unit is set at the mouth of a river, and is connected the first monitoring unit, the second monitoring unit with execution unit by control unit, from And the water inlet parameter value of load water inlet parameter value and pumps for hot water supply net is obtained, and the first prison is obtained by control unit The parameter value of unit and the second monitoring unit is controlled, and according to parameter value control execution unit to the speed of heating and the flowing of water, Improve the stability and safety of heat supply.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is the system structure diagram of heat supply pumping plant provided by the embodiment of the utility model;
Fig. 2 is the system structure diagram of another heat supply pumping plant provided by the embodiment of the utility model.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed Body details, to understand thoroughly the utility model embodiment.However, it will be clear to one skilled in the art that there is no these The utility model also may be implemented in the other embodiments of detail.In other situations, omit to well-known system, The detailed description of apparatus, circuit and method, in case unnecessary details interferes the description of the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Referring to Fig. 1, existing be illustrated heat supply pumping plant provided by the utility model.The heat supply pumping plant includes that moisturizing adds Prescription member 101, the first monitoring unit 102, pumps for hot water supply net 103, execution unit 104, the second monitoring unit 105 and control unit 106;The water inlet of the pumps for hot water supply net 103 is connected to by return pipe with the water outlet of load, the pumps for hot water supply net 103 Water outlet is connected to the water inlet of execution unit 104, and the water outlet of the execution unit 104 enters water with what is loaded by water supplying pipe Mouth connection;The water inlet of the moisturizing dosing unit 101 is connected to outer tank, the water outlet of the moisturizing dosing unit 101 It is connected to the water outlet of the load;The water inlet of load is arranged in first monitoring unit 102, and second monitoring is single The water inlet that member 105 is arranged in pumps for hot water supply net 103, described control unit 106 respectively with the first monitoring unit 102, second Monitoring unit 105 and execution unit 104 connect.
In the present embodiment, by setting moisturizing dosing unit 101 come the quantity of circulating water in replenishment system, in the mistake of heat supply It usually can cause to recycle water loss in heating system due to pipeline breakage and the breakage of load radiator etc. in journey.This Outside, moisturizing dosing unit 101 can also be to adjust the water quality of recirculated water.The first monitoring is additionally provided in the water inlet of load Unit 102, for obtaining the monitoring information of load water inlet, and the water inlet of pumps for hot water supply net 103 by return pipe and is born The water outlet of load is connected to, for providing the power of flowing for the return water of load.Execution unit 104 is arranged in circulation pump of heat-supply network 103 water outlet for the instruction of reception control unit 106, and controls circulation pump of heat-supply network 103 to the flowing speed of recirculated water Degree.The water inlet of pumps for hot water supply net 103 is arranged in second monitoring unit 105, for obtaining 103 water inlet of pumps for hot water supply net The monitoring information at place;Control unit 106 and 104 phase of the first monitoring unit 102, the second monitoring unit 105 and execution unit Even, the monitoring information obtained for receiving the first monitoring unit 102 and the second monitoring unit 105, and according to the monitoring information Control execution unit 104 executes corresponding movement to pumps for hot water supply net 103.
Above-mentioned heat supply pumping plant, compared with prior art, by being provided with moisturizing dosing unit, the first monitoring unit, heat supply network The water inlet of circulating pump, execution unit, the second monitoring unit and control unit, pumps for hot water supply net is gone out by return pipe with what is loaded Mouth of a river connection, the water outlet of pumps for hot water supply net are connected to the water inlet of execution unit, and the water outlet of execution unit passes through water supplying pipe It is connected to the water inlet of load;The water inlet of moisturizing dosing unit is connected to outer tank, the water outlet of moisturizing dosing unit with The water outlet of the load is connected to;The water inlet of load is arranged in first monitoring unit, and the second monitoring unit is arranged in heat supply network The water inlet of circulating pump, control unit is connect with the first monitoring unit, the second monitoring unit and execution unit respectively, to make Control unit can improve heat supply according to heating and flowing velocity of the parameter value come control execution unit to water for front and back of supplying water Stability and safety.
Further, referring to fig. 2, the moisturizing dosing unit 101 includes moisturizing grug feeding jar 1011 and moisturizing dosing pump 1012;The input terminal of the moisturizing grug feeding jar 1011 is connected with outer tank, the output end of the moisturizing grug feeding jar 1011 and institute It states moisturizing dosing pump 1012 to be connected, the output end of the moisturizing dosing pump 1012 is connected to the water outlet of the load;The benefit Water grug feeding jar 1011 is used to extract the water in the moisturizing grug feeding jar 1011 for storing water source, the moisturizing dosing pump 1012 Source.
In the present embodiment, the moisturizing dosing unit 101 of setting includes moisturizing grug feeding jar 1011 and moisturizing dosing pump 1012, Moisturizing grug feeding jar 1011 is connected with outer tank, and water source on the one hand can be divided with emporary transient storage department, on the other hand can also be in moisturizing Medicament is added in grug feeding jar 1012, middle addition medicament can make the pH value of recirculated water be maintained at pre- in moisturizing grug feeding jar 1012 If in range, so as to protective conduit, extending the service life of pipeline.Before adding medicament in moisturizing grug feeding jar 1012, It needs first to be sampled chemical examination to the water quality of recirculated water, be added according to result of laboratory test and recirculated water pH value to be achieved to determine The amount of adding medicine.
Optionally, it is provided with water level alarm in the moisturizing grug feeding jar 1011, when the water-head in moisturizing grug feeding jar goes out Warning note is issued when preset range.
In the present embodiment, in order to guarantee the water quantity holding in moisturizing grug feeding jar 1011 in a certain range, in moisturizing plus Water level alarm is set in medicinal cupping, warning note can be issued when water level is too low or too high.Such as: for moisturizing grug feeding jar Water level in 1011 is divided into 1-10 water level, when water level sensor detects the water level in moisturizing grug feeding jar 1011 lower than 1, Warning note will be issued, reminds the water level in the current moisturizing grug feeding jar of staff too low;When water level sensor detects benefit When water level in water grug feeding jar 1011 is higher than 10, it will issue warning note, remind in the current moisturizing grug feeding jar of staff Water level is too high, and warning note mode can be ring alarm bell or light warning lamp, to mitigate labor intensity of workers.
Optionally, first monitoring unit 102 includes first pressure sensor 1021 and the first temperature sensor 1022, Second monitoring unit 105 includes second pressure sensor 1052 and second temperature sensor 1051;The first pressure passes Sensor 1021 be used for detect load water entry pressure, first temperature sensor 1022 be used for detect load enter coolant-temperature gage; The second pressure sensor 1051 is used to detect the water entry pressure of pumps for hot water supply net, and the second temperature sensor 1052 is used for Detection pumps for hot water supply net enters coolant-temperature gage.
In the present embodiment, the first monitoring unit 102 and the second monitoring unit 105 respectively include pressure sensor and temperature Sensor, wherein the first monitoring unit 102 includes first pressure sensor 1021 and the first temperature sensor 1022, the first pressure Force snesor 1021 is used to detect the pressure value P 1 of load water inlet, and the first temperature sensor 1022 is loaded for detecting into water Temperature value T1 at mouthful;Likewise, the second monitoring unit 105 includes second pressure sensor 1051 and second temperature sensor 1052, it is respectively used to the pressure P2 and temperature T2 of detection 103 water inlet of pumps for hot water supply net.Control unit 106 is according to acquisition T1 and T2 can control execution unit 104 and execute corresponding operation, such as: when the temperature difference between T1 and T2 is larger, table Show that current environment is colder, radiates faster, 106 control execution unit 104 of control unit accelerates the flow velocity of recirculated water;Work as T1 When temperature difference between T2 is smaller, indicate that current environment is more suitable for, and radiates slower, the control of control unit 106 executes list The flow velocity of first 104 pairs of recirculated waters slows down.
In addition, according to the water inlet pressure P2 of the water inlet pressure P1 of load and pumps for hot water supply net 103, to obtain heat supply The pressure difference of pipeline recirculated water, and small pump is adjusted, until the pressure difference of P1 and P2 meets the requirement of system design.
Optionally, the execution unit 104 includes heating subelement 1041 and frequency control subelement 1042;The heating Subelement 1041 is used for the heating instructions according to control unit, heats to the return water;The frequency control subelement 1042 instruct according to the frequency modulation of control unit, and the flow velocity of the recirculated water is adjusted.
In the present embodiment, execution unit 104 includes heating subelement 1041 and frequency control subelement 1042, wherein Heating subelement 1041 can be electric heater, and frequency control subelement 1042 can be frequency converter, and control unit 106 is according to obtaining Temperature T1 and T2 the control heating subelement 1041 taken carries out heating to recirculated water until reaching preset temperature, in addition, control is single Member 106 can also control the work of frequency control subelement 1042 according to temperature T1 and T2, when the temperature difference is larger between temperature T1 and T2 When, control 1042 frequency of frequency control subelement is accelerated, so that the flow velocity of control loop water is accelerated, when warm between temperature T1 and T2 When difference is smaller, 1042 frequency deceleration of frequency control subelement is controlled, thus the flows decrease of control loop water, to realize full Electric energy is saved while sufficient heat demand.
Optionally, the heat supply pumping plant further include: video monitor unit, for monitoring the real-time shape of key position in pumping plant State.
In the present embodiment, video monitor unit is arranged in the key position in pumping plant, for the operation to key position State is monitored.Wherein, video monitor unit can be video camera, specifically, can install varifocal on the video camera additional Camera lens, the distance that video camera is observed are farther apparent.
Optionally, in the heat supply pumping plant further include: data transmission unit, the data transmission unit and the video are supervised Unit connection is controlled, the video information transmission for obtaining the video acquisition unit to terminal.
In the present embodiment, the data transmission unit of setting is used for transmission video monitor unit video information collected, To realize the monitored picture that can be easily obtained in heat supply pumping plant at the terminal, the safety of pumping plant is improved.
Optionally, the data transmission unit is wireless transmission unit and/or wire transmission unit.
In the present embodiment, data transmission unit can be at least one in wireless transmission unit and wire transmission unit Kind.Wherein, wireless transmission unit can be 485 communication units or 232 communication units, can be with when for RS485 communication interface It is attached with 485 communication units, the data completed between terminal and video monitor unit are transmitted;When communication unit contains only When 232 communication unit, 485 converters can be turned using RS232, the data between Lai Shixian terminal and video monitor unit pass It is defeated.
Wherein, wire transmission unit can be Wireless Fidelity communication unit, overlength distance LoRa wireless communication unit, GPRS At least one of in communication unit and 4G communication unit, wireless transmission unit is for logical between terminal and video monitor unit Letter, may be implemented remotely to monitor.
Optionally, in the heat supply pumping plant further include: smoke alarm for detecting the smog information in pumping plant, and is worked as Smokescope issues warning note when being greater than preset value.
In the present embodiment, the smoke alarm of setting includes two parts, and a part is the sensing for detecting smog Device, another part are alarms.When detection smog sensor after obtaining smokescope, smokescope can be carried out analyze sentence It is disconnected, when the smokescope is greater than preset value, then it can trigger alarm and alarm.The form of alarm can be to make a sound Or issue light.The smoke alarm can be ion type smog alarm, the gentle sensitive smog of photoelectric smoke fog siren Alarm.Wherein, the battery of smoke alarm is preferably lithium ion button shape cell, on the one hand can extend the continuous of smoke alarm ETS estimated time of sailing, another part can reduce the volume of smoke alarm.
Optionally, described control unit is programmable controller PLC.
In the present embodiment, control unit PLC, PLC can be controlled according to the temperature information and pressure information of acquisition and be held Row unit, specifically, PLC obtains the temperature and load water inlet of the water inlet of pumps for hot water supply net by fieldbus networks Temperature, the numerical value that should be in of frequency converter is obtained according to temperature information, and frequency values are sent to frequency control subelement, Numerical value and is fed back operating status at this time by fieldbus frequency control subelement based on the received to adjust output frequency To PLC.In addition, the process of PLC control heating subelement is similar to the above process, details are not described herein again.
Above-mentioned heat supply pumping plant, compared with prior art, by being provided with moisturizing dosing unit, the first monitoring unit, heat supply network The water inlet of circulating pump, execution unit, the second monitoring unit and control unit, pumps for hot water supply net is gone out by return pipe with what is loaded Mouth of a river connection, the water outlet of pumps for hot water supply net are connected to the water inlet of execution unit, and the water outlet of execution unit passes through water supplying pipe It is connected to the water inlet of load;The water inlet of moisturizing dosing unit is connected to outer tank, the water outlet of moisturizing dosing unit with The water outlet of the load is connected to;The water inlet of load is arranged in first monitoring unit, and the second monitoring unit is arranged in heat supply network The water inlet of circulating pump, control unit is connect with the first monitoring unit, the second monitoring unit and execution unit respectively, to make Control unit can improve heat supply according to heating and flowing velocity of the parameter value come control execution unit to water for front and back of supplying water Stability and safety.
Embodiment described above is only to illustrate the technical solution of the utility model, rather than its limitations;Although referring to before Embodiment is stated the utility model is described in detail, those skilled in the art should understand that: it still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features;And These are modified or replaceed, the spirit for various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution And range, it should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of heat supply pumping plant characterized by comprising moisturizing dosing unit, the first monitoring unit, pumps for hot water supply net, execution Unit, the second monitoring unit and control unit;
The water inlet of the pumps for hot water supply net is connected to by return pipe with the water outlet of load, the water outlet of the pumps for hot water supply net It is connected to the water inlet of execution unit, the water outlet of the execution unit is connected to by water supplying pipe with the water inlet of load;It is described The water inlet of moisturizing dosing unit is connected to outer tank, the water outlet of the moisturizing dosing unit and the water outlet of the load Connection;
The water inlet of load is arranged in first monitoring unit, and entering for pumps for hot water supply net is arranged in second monitoring unit At the mouth of a river, described control unit is connect with the first monitoring unit, the second monitoring unit and execution unit respectively.
2. heat supply pumping plant as described in claim 1, which is characterized in that the moisturizing dosing unit includes moisturizing grug feeding jar and benefit Water dosing pump;
The input terminal of the moisturizing grug feeding jar is connected with outer tank, the output end of the moisturizing grug feeding jar and the moisturizing dosing Pump is connected, and the output end of the moisturizing dosing pump is connected to the water outlet of the load;
The moisturizing grug feeding jar is used to extract the water source in the moisturizing grug feeding jar for storing water source, the moisturizing dosing pump.
3. heat supply pumping plant as claimed in claim 2, which is characterized in that it is provided with water level alarm in the moisturizing grug feeding jar, Warning note is issued when the water level in moisturizing grug feeding jar exceeds preset range.
4. heat supply pumping plant as described in claim 1, which is characterized in that first monitoring unit includes first pressure sensor With the first temperature sensor, second monitoring unit includes second pressure sensor and second temperature sensor;
The first pressure sensor is used to detect the water entry pressure of load, and first temperature sensor is used to detect load Enter coolant-temperature gage;The second pressure sensor is used to detect the water entry pressure of pumps for hot water supply net, and the second temperature sensor is used Enter coolant-temperature gage in detection pumps for hot water supply net.
5. heat supply pumping plant as described in claim 1, which is characterized in that the execution unit includes heating subelement and frequency conversion control Subunit;
The heating subelement is used for the heating instructions according to control unit, heats to return water;
The frequency control subelement is instructed according to the frequency modulation of control unit, and the flow velocity of recirculated water is adjusted.
6. heat supply pumping plant as described in claim 1, which is characterized in that the heat supply pumping plant further include: video monitor unit is used In the real-time status of key position in monitoring pumping plant.
7. heat supply pumping plant as claimed in claim 6, which is characterized in that in the heat supply pumping plant further include: data transmission unit, The data transmission unit is connect with the video monitor unit, and the video information for obtaining the video monitor unit passes Transport to terminal.
8. heat supply pumping plant as claimed in claim 7, which is characterized in that the data transmission unit be wireless transmission unit and/ Or wire transmission unit.
9. heat supply pumping plant as described in claim 1, which is characterized in that in the heat supply pumping plant further include: smoke alarm is used Smog information in detection pumping plant, and warning note is issued when smokescope is greater than preset value.
10. such as the described in any item heat supply pumping plants of claim 1-9, which is characterized in that described control unit is PLC technology Device PLC.
CN201820882456.9U 2018-06-07 2018-06-07 Heat supply pumping plant Active CN208671150U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820882456.9U CN208671150U (en) 2018-06-07 2018-06-07 Heat supply pumping plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820882456.9U CN208671150U (en) 2018-06-07 2018-06-07 Heat supply pumping plant

Publications (1)

Publication Number Publication Date
CN208671150U true CN208671150U (en) 2019-03-29

Family

ID=65825205

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820882456.9U Active CN208671150U (en) 2018-06-07 2018-06-07 Heat supply pumping plant

Country Status (1)

Country Link
CN (1) CN208671150U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111288538A (en) * 2020-03-01 2020-06-16 北京精开环能科技有限公司 Central intelligent sanitary hot water master station system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111288538A (en) * 2020-03-01 2020-06-16 北京精开环能科技有限公司 Central intelligent sanitary hot water master station system

Similar Documents

Publication Publication Date Title
CN104613660B (en) A kind of Intelligent Remote Control System for solar water heater
CN103280060B (en) A kind of wired home room system based on GSM
CN206671925U (en) A kind of water control system
CN208671150U (en) Heat supply pumping plant
CN208653535U (en) A kind of intelligence heat-network supervisory control system in electric
CN103912793A (en) Embedded instrumented remote warning and control system
CN205386865U (en) Precast beam intelligence sprays maintenance system
CN205420425U (en) Biogas fermentation system that can long -range on -line monitoring
CN202757200U (en) Flux balance adjusting system of heating system
CN203599720U (en) Water tank water supplementing system of small laser cutting machine
CN203825514U (en) Monitoring and alarming system of water-free keep-alive domestication environment of aquatic products
CN206709220U (en) Current speed detector in heating network
CN205983128U (en) Control sewage treatment device automatic operation's operating system
CN205680733U (en) A kind of device for monitoring temperature of all-vanadium flow battery cabinet
CN201573327U (en) Water cooling control device for charging barrel of injection molding machine
CN210951732U (en) Data center diesel generating set control system
JP2004283755A (en) Water quality management system
CN208566859U (en) Combined type heat supply pumping plant
RU106720U1 (en) THERMAL ENERGY TRANSMISSION DEVICE
CN209015380U (en) A kind of fluorescence analyser cooling water multistage acoustic-optic alarm
CN208126165U (en) A kind of intelligent comprehensive controller
CN202583843U (en) Fishery farm monitoring system
CN207586767U (en) A kind of constant temperature automatic control accumulator is internalized into charging rack system
CN207281618U (en) Can self power generation current constant temperature electric control gear
CN110762393A (en) Underground pipeline monitoring terminal, system and power supply control method

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant