CN206206730U - Central heating safety water intelligent control valve - Google Patents
Central heating safety water intelligent control valve Download PDFInfo
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- CN206206730U CN206206730U CN201621070255.6U CN201621070255U CN206206730U CN 206206730 U CN206206730 U CN 206206730U CN 201621070255 U CN201621070255 U CN 201621070255U CN 206206730 U CN206206730 U CN 206206730U
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- water
- shut
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- water supply
- detecting element
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Abstract
A kind of central heating safety water intelligent control valve, it is to be made up of valve body and intelligent controller, valve body includes water supply stream and return water passage, by being disposed with the shut-off valve element for opening or closing water supply stream on the water supply stream of circulation water inlet to service water outlet, and for detecting the water supply flow detecting element of water supply flow, circling water flow rate detecting element is provided with return water passage by backwater entrance to circulating water outlet, wherein, the drive end for turning off valve element connects the drive output of shut-down mechanism, the control signal input of the shut-down mechanism connects the control signal output of the intelligent controller, the flow signal output end of the water supply flow detecting element and circling water flow rate detecting element connects the signal input part of intelligent controller respectively.The utility model reduces corrosion of the chemical agent to pipeline and equipment, further reduces operation and maintenance cost, while maintaining the stable operation of system, can successfully manage uncontrollable leakage problem, and the possibility of environmental pollution is preferably minimized.
Description
Technical field
The utility model is related to a kind of intelligent control valve.More particularly to a kind of central heating safety water intelligent control valve.
Background technology
The pressure of district heat supply network need to be maintained in a stability range can even running, can protect
The heating temperature requirement of each user in card pipe network.Hot water in central heating pipe, only in closed circulating system
Heat energy can be conducted.Hot water is released in heat supply pipeline, and heat supply unit then requires supplementation with cold water, has a strong impact on the temperature of heat supply.Together
When, air enters formation gas in pipe network system and blocks up, and can make to produce turned letter phenomenon in heating system, influences the effect of heat supply, or even
Cause to stop hot accident.Sometimes resident's heating network interior circulation water occurs loss in actual motion, and such situation is concentrated
Occur at the house lead in node of domestic consumer and enterprise, analysis reason concentrates at 2 points：Artificial release heat supply pipeline water and heat supply
Pipeline cracking.
2 reasons of the above, the strategy applied at present is only capable of the artificial problem released of reply, and the scheme taken is to heat supply
Dosing in recirculated water, additive color element, refuel or add the chemicals such as stink agent.Consequently, it is possible to the heating water that resident releases privately, just
With color or niff, can to a certain extent suppress resident and discharge water the phenomenon of family expenses.For now, it is most of
Heat supply company all can carry out maintaining after heat supply season terminates to heat supply pipeline, certainly will be let out the recirculated water in pipeline
Put, then chemical reagent therein can also be lost in therewith, and severe contamination may be caused to environment.And, the throwing of chemical reagent
It is continuation to enter, and addition chemicals increases operation cost, it is necessary to the continuous input of a large amount of funds.And chemicals pair
Pipe network also has corrosiveness, and long-term use has endless trouble.Meanwhile, this kind of scheme cannot solve the pipeline breaking caused by fortuitous event
And the pressure release problem for producing, it is also possible to because the addition of medicament makes originally simple leakage accident upgrade.With regard to overall system safety
For property, using currently a popular reagent adding method, it is difficult to tackle the leakage that contingency is caused, for system safety
It is the increase in the unreliable factor of system stable operation.
Heat supply pipeline pressure releasing and recirculated water are lost in one piece " worry " of always heating enterprise.Current existing law
Regulation directly effective supervision scheme no for the behavior of circulation water for heating of artificially maliciously releasing, is only capable of by the unit that heats
Media and communications, promotes user to know to release privately the harm of circulation water for heating, so that voluntary observance, prevents improper activity.In a surname
The enterprise that partly heated in the case of passing DeGrain is employed to the method that the chemical reagent such as stink agent is added in water, the method
On the one hand there is the hidden danger of corrosive pipeline exacerbation, more seriously when explosion, leak occurs in heat supply pipeline, the stink agent of addition
It is possible to damage the rights and interests of normal users Deng reagent.
The content of the invention
Technical problem to be solved in the utility model be to provide it is a kind of unnecessary chemical agent can be avoided to add,
Reduces cost, reduces corrosion of piping, reduces the central heating safety water intelligent control valve of maintenance cost.
The technical scheme that the utility model is used is：A kind of central heating safety water intelligent control valve, be by valve body and
Intelligent controller is constituted, and described valve body includes water supply stream and return water passage, by the water supply of circulation water inlet to service water outlet
The shut-off valve element for opening or closing water supply stream is disposed with stream, and for detecting the water supply stream of water supply flow
Amount detecting element, is provided with circling water flow rate detecting element on the return water passage by backwater entrance to circulating water outlet, wherein, it is described
Shut-off valve element drive end connect shut-down mechanism drive output, the shut-down mechanism control signal input connection institute
State the flow signal of the control signal output of intelligent controller, the water supply flow detecting element and circling water flow rate detecting element
Output end connects the signal input part of intelligent controller respectively.
Resetting-mechanism, answering outside the reset signal input connection of the resetting-mechanism are additionally provided with described valve body
Position input, the reset signal output end of the resetting-mechanism connects the reset signal input of the shut-down mechanism.
The intelligent controller includes：Control unit, be connected with described control unit respectively for receiving remote control
The receiving unit of signal, the transmitting element for carrying out data upload, 232 communication units and the display used for field adjustable
Unit, and for providing power supply original power interface circuit, wherein, described receiving unit, transmitting element and 232 communication units
Respectively by communication interface connection communication bus, the GPIO ends of described control unit connect the control of described shut-down mechanism respectively
The flow signal output of signal input part, the flow signal output end of water supply flow detecting element and circling water flow rate detecting element
End, the control signal output of described control unit connects the shut-down mechanism in the valve body, the collection letter of described control unit
Number input connects the flow signal output of the water supply flow detecting element and circling water flow rate detecting element in the valve body respectively
End.
Central heating safety water intelligent control valve of the present utility model, is a kind of pure physics mode, the knot of application control valve
Structure function, realizes and successfully manages various situations such as artificial and contingency, according to the import at circulatory system user node with
Rate of discharge difference monitors the artificial generation revealed with accident of releasing of recirculated water, and is reaching the changes in flow rate that is previously set
The circulation line of the node is automatically shut down after value, after accident is excluded or artificial behavior of releasing terminates, can be operated by resetting
Reclose pipeline.The utility model is tackled the mode that system pressure releases by way of control piper break-make and can avoided
Unnecessary chemical agent addition, reduces cost reduces corrosion of piping, reduces maintenance cost.Control valve of the present utility model
Installation position selection at each user node, the behavior only to unique user in itself is monitored, and generating, shut-off is dynamic
Other users will not be impacted after work, and shut-off operation will not also cause damage to the heating facility of the user.This reality
With the use of new central heating safety water intelligent control valve reducing is advantageous in that for the potential of whole heating system
Corrosion of the medicament to pipeline and equipment is learned, is taken a long view the service life of extension device, further reduced operation and safeguard
Cost.Malice is released simultaneously and the timely reply of accidental discharge can reduce the pressure oscillation of heating system, maintain system
Stable operation, makes the heat supply of other users unaffected；Relatively clean recirculated water can successfully manage uncontrollable leakage and ask
Topic, the possibility of environmental pollution is preferably minimized.
Brief description of the drawings
Fig. 1 is the overall structure block diagram of the utility model central heating safety water intelligent control valve；
Fig. 2 is the overall structure block diagram of the utility model intelligent controller；
Fig. 3 is the circuit theory diagrams of control unit in the utility model embodiment；
Fig. 4 is the circuit theory diagrams of receiving unit in the utility model embodiment；
Fig. 5 is the circuit theory diagrams of transmitting element in the utility model embodiment；
Fig. 6 is the circuit theory diagrams of 232 communication units in the utility model embodiment；
Fig. 7 is the circuit theory diagrams of communication interface in the utility model embodiment；
Fig. 8 is the circuit theory diagrams of power interface circuit in the utility model embodiment；
Fig. 9 is the circuit theory diagrams of display unit in the utility model embodiment；
Figure 10 is the scheme of installation that the utility model central heating safety water intelligent control valve is wanted in heating system.
In figure
1：Valve body 11：Resetting-mechanism
12：Shut-down mechanism 13：Shut-off valve element
14：Water supply flow detecting element 15：Circling water flow rate detecting element
16：Service water outlet 17：Backwater entrance
18：Circulating water outlet 19：Reset input
110：Circulation water inlet MBUS：Communication bus
A：Water supply stream B：Return water passage
2：Intelligent controller 21：Control unit
22：Receiving unit 23：Transmitting element
24：Communication interface 25：232 communication units
26：Display unit 31：User
32：Intelligent controller 33：Heat pump
Specific embodiment
Central heating safety water intelligent control valve of the present utility model is made specifically with reference to embodiment and accompanying drawing
It is bright.
In central heating safety water intelligent control valve of the present utility model, major function is at monitoring heating user node
Water inlet, circling water flow rate are poor, and main purpose is to take precautions against that user maliciously releases heating circulation water and pipeline cracking is caused follows
Ring current lose, collective's rights and interests of protection heating user.The utility model is using flow-measuring methods, root such as positive displacement or orifice-plate types
Selected according to different application scenarios, can adapt to the application of most occasions.Main Function is to perceive user node to enter
, be delivered to for measurement data by analog quantity form or by industrial control network protocol mode by the changes in flow rate of water and backwater
In intelligent controller.Central heating safety water intelligent control valve of the present utility model, intelligence is built using high-performance intelligent chip
Controller, the intelligent controller can receive the flow information that flow sensor is obtained, and keep online monitor state, work as difference in flow
Control shut-down mechanism drives shut-off valve element shut-off heating pipeline when reaching predetermined value, while the intelligent controller can also be by industry
The upload of data is carried out with wired and wireless communication networks, and the remotely located of valve parameter can be controlled.
As shown in figure 1, central heating safety water intelligent control valve of the present utility model, is by valve body 1 and intelligent controller 2
Constitute, described valve body 1 includes water supply stream A and return water passage B, by the water supply stream of circulation water inlet 110 to service water outlet 16
The shut-off valve element 13 for opening or closing water supply stream A is disposed with the A of road, and for detecting the water supply of water supply flow
Flow detecting element 14, circling water flow rate detecting element is provided with the return water passage B by backwater entrance 17 to circulating water outlet 18
15, wherein, the drive end of described shut-off valve element 13 connects the drive output of shut-down mechanism 12, the control of the shut-down mechanism 12
Signal input part processed connects the control signal output of the intelligent controller 2, the water supply flow detecting element 14 and backwater
The flow signal output end of flow detecting element 15 connects the signal input part of intelligent controller 2 respectively.Described shut-off valve element
13 use ball valve core or the form such as taper valve core or valve core for gate valve or butterfly valve core, and Main Function is the drive in shut-down mechanism 12
The path of dynamic ShiShimonoseki cut-off current road A.Water supply flow detecting element 14 and circling water flow rate detecting element 15 are using the stream such as positive displacement
Measurement element, by analog quantity or digital output flow signal, intelligent controller is connected to by data cable.
Resetting-mechanism 11 is additionally provided with described valve body 1, the reset signal input connection of the resetting-mechanism 11 is outer
The reset input 19 in portion, the reset signal output end of the resetting-mechanism 11 connects the reset signal input of the shut-down mechanism 12
End.Can be manually or by realizing the input that resets under intelligent controller control action.Can be in people by resetting-mechanism 11
For release or failure leakage process terminate after reclose heating pipeline.
Central heating safety water intelligent control valve of the present utility model, by the water supply stream A in user's heating pipeline and
Flow detecting element, such as flow sensor are set at return water passage B, are perceived heating system and is intake and backwater at the user node
Difference in flow, when system is released or failure leakage in the absence of artificial, then the difference in flow should be in certain scope, it is assumed that difference in flow
It is Δ V1, now controls valve not produce action；When occurring releasing, circling water flow rate certainly will be caused to reduce, now difference in flow is changed into Δ
V2, Δ V2 are more than Δ V1, when threshold values of the Δ V2 more than control valve, control the intelligent controller generation action of valve to turn off the input
Pipeline.
The intelligent controller 2 includes 16 analog quantity ALT-CH alternate channels, can receive the instrument mould of 4-20mA or 0-5V
Intend signal, it is also possible to the signal of digital instrument is received by field bus protocols such as Modbus.Intelligent controller is controlled with concentration
Mbus bus protocols are used between center processed, is easy to concentrate metrical information, long-range change control valve parameter and data long-term monitoring.
The remote communication modules such as collocation GPRS can realize wired or wireless communication.Intelligence control system can be by IGCT or relay etc.
Mode is arranged in pairs or groups different types of automatically controlled execution unit, for drive control valve shut-down mechanism.
As shown in Fig. 2 the intelligent controller 2 includes：Control unit 21, the use being connected with described control unit 21 respectively
In the receiving unit 22, the transmitting element 23 for carrying out data upload, 232 communication units 25 and the use that receive remote control signal
In the display unit 26 that field adjustable is used, and for providing power supply original power interface circuit, wherein, described receiving unit
22nd, the communication unit 25 of transmitting element 23 and 232 is respectively by the connection communication bus MBUS of communication interface 24, described control unit 21
GPIO ends connect control signal input, the flow signal of water supply flow detecting element 14 of described shut-down mechanism 12 respectively
The flow signal output end of output end and circling water flow rate detecting element 15.Wherein：
Described control unit 21 can be using control chips such as model MSP430 or LPC1768.As shown in figure 3, this
Utility model embodiment is using the control chip of model STM32F103.
Described receiving unit 22 and the main task of transmitting element 23 is to complete data-signal by the circuit of Fig. 4 and Fig. 5
Transmission and receiving, detailed process meets the communication standard of MBUS agreements.
232 described communication units 25 can be using the serial communication chip of model SP3232 or MAX3250.Such as Fig. 6
Shown, the utility model embodiment is using the communication chip of model MAX3232CSE, the limb 13 and pin 14 of MAX3232CSE
It is reception and the transmitting terminal of serial port chip.
Described communication interface 24 as shown in fig. 7, each provide 232 communications line terminals, 485 communications line terminals,
MBUS communications line terminals.Described power interface circuit is as shown in Figure 8.Described display unit 26 is as shown in Figure 9.
As shown in Figure 10, central heating safety water intelligent control valve of the present utility model is arranged at heat supply user node,
The purpose that control pressure is released is reached by controlling the break-make of water inlet pipe.Recirculated water enters valve body through valve body circulation water inlet 110
Internal water supply stream A, flows through the shut-off arrival water supply flow of valve element 13 detecting element 14 and obtains flow of inlet water V1, meanwhile, circulation
The return water passage B of water is also equipped with circling water flow rate detecting element 15, can obtain circling water flow rate V2, and this two parts data on flows is by surveying
Amount element transformation be analog signal or digital data transmission to intelligent controller, intelligent controller is then by the difference of two parts flow
Δ V and pre-set difference in flow threshold value Δ VsetIt is compared, when there is pressure releasing or leak case, at backwater
Flow is accordingly reduced, Δ V>ΔVsetWhen, intelligent controller 2 sends signal to shut-down mechanism 12, and shut-down mechanism 12 drives shut-off valve
The action of core 13, cuts off the path of recirculated water, and reaching prevents from artificially releasing and the purpose such as recirculated water leakage accident.When the behavior of releasing
After termination or accident condition are released, reset operation can be carried out by the 19 pairs of shut-down mechanisms of input that reset, shut-off valve element 13 is opened,
Recover the normal heating of user.
Claims (3)
1. a kind of central heating safety water intelligent control valve, is made up of valve body (1) and intelligent controller (2), it is characterised in that
Described valve body (1) includes water supply stream (A) and return water passage (B), by the confession of circulation water inlet (110) to service water outlet (16)
The shut-off valve element (13) for opening or closing water supply stream (A) is disposed with current road (A), and is supplied water for detecting
The water supply flow detecting element (14) of flow, is set by the return water passage (B) of backwater entrance (17) to circulating water outlet (18)
There is circling water flow rate detecting element (15), wherein, the drive end of described shut-off valve element (13) connects the driving of shut-down mechanism (12)
Output end, the control signal input of the shut-down mechanism (12) connects the control signal output of the intelligent controller (2),
The flow signal output end of the water supply flow detecting element (14) and circling water flow rate detecting element (15) connects intelligent control respectively
The signal input part of device (2) processed.
2. a kind of central heating safety water intelligent control valve according to claim 1, it is characterised in that described valve body
(1) resetting-mechanism (11), the reset input outside the reset signal input connection of the resetting-mechanism (11) are additionally provided with
(19), the reset signal output end of the resetting-mechanism (11) connects the reset signal input of the shut-down mechanism (12).
3. a kind of central heating safety water intelligent control valve according to claim 1, it is characterised in that the Based Intelligent Control
Device (2) includes：Control unit (21), the reception for receiving remote control signal being connected with described control unit (21) respectively
Unit (22), the transmitting element (23) for carrying out data upload, 232 communication units (25) and for field adjustable use it is aobvious
Show unit (26), and for providing power supply original power interface circuit, wherein, described receiving unit (22), transmitting element
And 232 communication units (25) are respectively by communication interface (24) connection communication bus (MBUS), described control unit (21) (23)
GPIO ends connect control signal input, the flow of water supply flow detecting element (14) of described shut-down mechanism (12) respectively
The flow signal output end of signal output part and circling water flow rate detecting element (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070255.6U CN206206730U (en) | 2016-09-22 | 2016-09-22 | Central heating safety water intelligent control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621070255.6U CN206206730U (en) | 2016-09-22 | 2016-09-22 | Central heating safety water intelligent control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206206730U true CN206206730U (en) | 2017-05-31 |
Family
ID=58761582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621070255.6U Expired - Fee Related CN206206730U (en) | 2016-09-22 | 2016-09-22 | Central heating safety water intelligent control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206206730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382404A (en) * | 2016-09-22 | 2017-02-08 | 山东二十度智慧供热股份有限公司 | Centralized heating and water return-preventing intelligent control valve |
-
2016
- 2016-09-22 CN CN201621070255.6U patent/CN206206730U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106382404A (en) * | 2016-09-22 | 2017-02-08 | 山东二十度智慧供热股份有限公司 | Centralized heating and water return-preventing intelligent control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170531 Termination date: 20180922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |