CN201463116U - Thermal control system device - Google Patents

Thermal control system device Download PDF

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Publication number
CN201463116U
CN201463116U CN2009201086273U CN200920108627U CN201463116U CN 201463116 U CN201463116 U CN 201463116U CN 2009201086273 U CN2009201086273 U CN 2009201086273U CN 200920108627 U CN200920108627 U CN 200920108627U CN 201463116 U CN201463116 U CN 201463116U
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signal
control module
heat
system device
control system
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Expired - Lifetime
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CN2009201086273U
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Chinese (zh)
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李晓明
李元超
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BEIJING RUICHI REID ELECTRICAL ENGINEERING Co Ltd
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Individual
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Abstract

This utility model relates to a thermal control system device. The device comprises a power supply unit, an air switch, a first acquisition unit and a control unit; the first acquisition unit is used for acquiring first signals of a heat supply network primary side and secondary side and transmitting the first signals to the control unit; the control unit controls the equipments in the heat supply network corresponding to the first signals or sends an alarm signal according to the preset range of the first signals; the first signals are temperature, pressure, flow and valve location signals of water supply pipes and water return pipes in the primary side and the secondary side. The thermal control system device regulates the heat supply load of the heat exchange set in real-time and saves energy source. Meanwhile, the acquisition is performed during the operation of the heat exchange set in real-time and the operation parameters of equipments of the heat exchange set are monitored, the equipments are also regulated according to preset parameter ranges, guaranteeing the stable operation of the heat exchange set.

Description

The heat control system device
Technical field
The utility model relates to heating technology, particularly a kind of heat control system device.
Background technology
The heat exchange unit is the equipment that heat (cold) load institute's calorific requirement (cold) of production or living needs is provided to each building, and the heat exchange unit is arranged in the heat exchange station usually.
Existing heat exchange unit is usually according to outdoor meteorological condition, the thermic load of the heat supply in given a period of time, accumulative total heating load and heating time, in the time of can causing like this that outdoor temperature changes in preset time, can't regulate the thermic load of heat supply automatically and then change indoor temperature, cause energy waste.In addition, the heat exchange unit might be because heat supply network primary side and the temperature of secondary side water or the unsettled situation that the isoparametric variation of flow causes the heat exchange unit operation in running.
The utility model content
The purpose of this utility model provides a kind of heat control system device, and this device comprises power supply unit, air switch, first collecting unit and control module; Described first collecting unit is gathered first signal of heat supply network primary side and heat supply network secondary side, and offers described control module; Alarm signal is controlled or sent to described control module according to the preset range of described first signal to the equipment in the described heat supply network of the described first signal correspondence; Described first signal is the feed pipe of described heat supply network primary side and secondary side and temperature, pressure, flow and the valve position signal of return pipe.
This device can also comprise:
Second collecting unit, described second collecting unit are gathered the secondary signal of described heat supply network and are offered described control module, and described control module sends alarm signal according to described secondary signal; Described secondary signal is the circulating pump of return pipe of described heat supply network secondary side and the switching value signal of small pump.
First collecting unit can be made of the first collection submodule and analog-to-digital conversion submodule; Described first gather submodule collect the feed pipe of described heat supply network primary side and secondary side and return pipe temperature, pressure, flow and valve position analog signal and offer described analog-to-digital conversion submodule; Described analog-to-digital conversion submodule is converted into described analog signal data signal and offers described control module.
Control module can constitute by receiving submodule and controlling submodule, and described reception submodule gets access to described first signal and described secondary signal, and offers described control submodule; Alarm signal is controlled or sent to described control submodule according to the equipment in described first signal and the described secondary signal pair described heat supply network corresponding with described first signal.
This device can also comprise:
The regulon that is connected with described first collecting unit, described second collecting unit and described control module respectively, described regulon carries out described first signal to offer described control module after the filtering, and described secondary signal is carried out offering described control module after the electrical separation.
With the operation interface that described control module is connected, described operation interface is provided with the preset range of described first signal, and shows described first signal and the described secondary signal of described control module input.
With the alarm unit that described control module is connected, described alarm unit receives the described alarm signal of described control module and sends the indication of reporting to the police.
With the data transmission unit that described control module is connected, described data transmission unit reports heat-exchange system with the input signal of described control module, and described heat-exchange system comprises a plurality of heat exchange units.
Wherein, control module and described second collecting unit can be programmable logic controller (PLC), and data transmission unit can be wireless data terminal equipment.
Therefore, the utility model heat control system device can be regulated the thermal loads of heat exchange unit, energy savings in real time according to the variation of outside air temperature.The operational factor of simultaneously in the middle of the heat exchange unit operation, gathering, monitoring each equipment in the heat exchange unit in real time, and according to default parameter area each equipment is regulated, the stable operation of heat exchange unit guaranteed.
Description of drawings
The first embodiment heat control system apparatus structure schematic diagram that Fig. 1 provides for the utility model;
Fig. 2 is the utility model heat exchange set structure schematic diagram;
The second embodiment heat control system apparatus structure schematic diagram that Fig. 3 provides for the utility model.
Reference numeral
1: power supply unit; 2: air switch;
3: the first collecting units; 4: control module;
5: the second collecting units; 6: regulon;
7: operation interface; 8: alarm unit;
9: data transmission unit; 10: motor-driven valve;
11: primary side feed pipe pressure sensor; 12: primary side feed pipe temperature sensor;
13: primary side return pipe pressure sensor; 14: primary side return pipe temperature sensor;
15: secondary side feed pipe temperature sensor; 16: secondary side feed pipe pressure sensor;
17: secondary side return pipe temperature sensor; 18: secondary side return pipe pressure sensor;
19: circulating pump; 20: small pump;
21: relief valve; 22: primary side return pipe flow sensor;
23: secondary side feed pipe flow sensor; 31: the first collection submodules;
32: the analog-to-digital conversion submodule; 41: receive submodule;
42: the control submodule.
The specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The first embodiment heat control system apparatus structure schematic diagram that Fig. 1 provides for the utility model, as shown in Figure 1, this device comprises power supply unit 1, air switch 2, first collecting unit 3 and control module 4; Wherein, first collecting unit 3 is gathered first signal of heat supply network primary side and secondary side, and offers control module 4; Alarm signal is controlled or sent to control module 4 according to the preset range of first signal to the equipment in the heat supply network of the first signal correspondence; First signal is the feed pipe of heat supply network primary side and secondary side and temperature, pressure, flow and the valve position signal of return pipe.
Wherein, power supply unit 1 is used to the power supply of heat control system device; power supply unit 1 can select for use two alternating current 220V to change the Switching Power Supply of direct current 24V; make wherein one to be 3 power supplies of first collecting unit; another piece is control module 4 power supplies. air switch 2 also claims low-voltage circuit breaker; can be used to connect and the disjunction load circuit; the overload short circuit of circuit under can excising automatically; faults such as decompression. be used for overload is appearred in the heat control system device; short circuit; carrying out power-off protection during situations such as under-voltage. air switch 2 can be looked concrete condition and select for use; select for use in the present embodiment 2P and 1P air switch each one. Fig. 2 is the utility model heat exchange set structure schematic diagram; below explanation is simultaneously referring to Fig. 2; gather in real time each collection point that sets in advance in the heat exchange unit of first collecting unit 3 in the heat control system device; first signal of gathering comprises: the temperature of heat supply network primary side and secondary side feed pipe and return pipe; pressure; flow; the valve position signal that also has heat supply network primary side feed pipe place motor-driven valve in addition. owing to be connected with temperature sensor respectively on the feed pipe of heat supply network primary side and secondary side and the return pipe; pressure sensor and flow sensor; first collecting unit 3 can be gathered the signal of these sensor outputs; and the valve position signal of motor-driven valve can directly be gathered. first collecting unit 3 collects and is sent to control module 4. control modules 4 behind the above-mentioned signal and gets access to after each signal of heat supply network primary side that first collecting unit 3 provides and secondary side; analyze with the scope of first signal of presetting in the control module 4; if a certain signal is not in default scope; then the equipment in the heat exchange unit of this signal correspondence is controlled. be specially: secondary side feed pipe that analyzes according to the pressure signal of secondary side feed pipe that gets access to and return pipe when control module 4 and the pressure reduction in the secondary side return pipe are during greater than preset range; then controlling circulating pump slows down; when the pressure reduction in secondary side feed pipe and the secondary side return pipe during less than preset range; then controlling circulating pump quickens. when the pressure that analyzes the secondary side return pipe according to the pressure signal of the secondary side return pipe that gets access to when control module 4 is greater than or less than preset range; control then that small pump slows down or quicken. when the secondary side supply water temperature signal that gets access to when control module 4 is higher or lower than preset temperature range; then close or open the motor-driven valve at primary side feed pipe place. when control module 4 gets access to secondary side return pipe pressure signal when being higher than preset range; then open the relief valve that secondary side return pipe place is provided with. when for example getting access to the secondary side backwater, control module 4 pressed high situation can also directly send alarm signal constantly. and the preset range of above each parameter all can be done real-time correction according to the variation of outdoor temperature and the variation of time round the clock; be each the parameter preset scope in the real time modifying control module 4, to reach the purpose of energy savings.
The heat control system device of present embodiment can be regulated the thermal loads of heat exchange unit, energy savings in real time according to the variation of outside air temperature.The operational factor of simultaneously in the middle of the heat exchange unit operation, gathering, monitoring each equipment in the heat exchange unit in real time, and according to default parameter area each equipment is regulated, the stable operation of heat exchange unit guaranteed.
The second embodiment heat control system apparatus structure schematic diagram that Fig. 3 provides for the utility model, as shown in Figure 3, this device comprises power supply unit 1, air switch 2, first collecting unit 3 and control module 4; Can also comprise second collecting unit 5; The secondary signal that second collecting unit 5 is gathered heat supply networks also offers control module 4, and control module 4 sends alarm signal according to secondary signal; Secondary signal is the circulating pump of return pipe of heat supply network secondary side and the switching value signal of small pump.Further, first collecting unit 3 is made of the first collection submodule 31 and analog-to-digital conversion submodule 32; First gather submodule 31 collect the feed pipe of heat supply network primary side and secondary side and return pipe temperature, pressure, flow and valve position analog signal and offer analog-to-digital conversion submodule 32; Analog-to-digital conversion submodule 32 is converted into analog signal data signal and offers control module 4.Control module 4 constitutes by receiving submodule 41 and controlling submodule 42, receives submodule 41 and gets access to first signal and secondary signal, and offer control submodule 42; Alarm signal is controlled or sent to control submodule 42 according to the equipment in first signal and the described secondary signal pair heat supply network corresponding with first signal.
This device can also comprise: regulon 6, operation interface 7, alarm unit 8 and data transmission unit 9; Wherein, regulon 6 is connected with first collecting unit 3, second collecting unit 5 and control module 4 respectively, first signal is carried out offering control module 4 after the filtering, and secondary signal is carried out offering control module 4 after the electrical separation.Operation interface 7 is connected with control module 4, the preset range of first signal is provided with, and first signal and the secondary signal of indicative control unit 4 inputs.Alarm unit 8 is connected with control module 4, receives the alarm signal of control module 4 and sends the indication of reporting to the police; Data transmission unit 9 is connected with control module 4, and the input signal of control module 4 is reported heat-exchange system, and this heat-exchange system is made of a plurality of heat exchange units.
Wherein, second collecting unit 5 is gathered secondary signal, it is the switching value signal of circulating pump and small pump in the heat supply network, circulating pump and small pump all have power frequency and two kinds of duties of frequency conversion, normal operation is generally the frequency conversion duty, second collecting unit 5 can collect the power frequency operation state or the switching value signal of converting operation cycle of states pump or small pump respectively, when frequency conversion is broken down, second collecting unit 5 can collect the fault-signal of frequency converter, and fault-signal offered control module 4, send alarm signal by the control submodule 42 in the control module 4.
First collecting unit 3 in the present embodiment is selected 3 EM235CN and 1 EM231CN module for use, also can select the module of other models for use, and its number of selecting for use also can be adjusted as required.EM235CN and EM231CN module all have analog-digital conversion function, because, the heat supply network primary side that comprises in first signal and temperature, pressure, the flow signal of secondary side feed pipe and return pipe are analog signal, these analog signals need be converted into data signal, the valve position signal of heat supply network primary side feed pipe place motor-driven valve in addition, when motor-driven valve circle was between standard-sized sheet and complete shut-down state, the valve position signal of motor-driven valve was a continuous signal, be analog signal, therefore need be converted into data signal equally.The function of the control module 4 and second collecting unit 5 can all adopt programmable logic controller (PLC) (Programmablelogic Controller in the present embodiment; Hereinafter to be referred as: PLC) finish, before this PLC handles first signal and secondary signal, can adopt 6 pairs first signals of regulon and secondary signal to adjust, regulon 6 can be selected signal regulating panel for use, be integrated with relay on this signal regulating panel, this relay is to carrying out electrical separation for the secondary signal of switching value signal, this conditioning plate also carries out filtering to first signal simultaneously, because first signal is obtained through after the analog-to-digital conversion by various analog signals, therefore be mingled with analog signal in this signal, can adopt signal regulating panel that these signals are carried out filtering, to strengthen the anti-interference of these signals.The concrete control procedure of doing according to first signal and secondary signal for PLC repeats no more referring to first embodiment.Wherein, the operation of each parameter area can be finished by the operation interface 7 that is connected with PLC among the default PLC, operation interface 7 can be selected the touch-screen supporting with PLC for use, operating personnel can be according to the variation of outdoor temperature, and each default parameter area is constantly adjusted in the time variation round the clock, and simultaneously, this touch-screen can also show each parameter among the real-time input PLC, control situation of each equipment of PLC heat exchanging unit or the like reflects the ruuning situation of heat exchange unit more intuitively.When the PLC output alarm signal, can do alarm by external alarm unit 8, this alarm unit 8 can be various types of alarms, as sound, light crossing-signal etc.Because a plurality of heat exchange stations are normally concentrated and to be monitored or control, and therefore, can increase data transmission unit 9 in the heat control system device, can select wireless data terminal equipment (Data Terminal unit here for use; Hereinafter to be referred as: DTU), the operational factor of this heat exchange station heat exchange unit is reported to heat-exchange system, so that the central monitoring system in the heat-exchange system can be understood the working condition of each heat exchange station well.
The heat control system device of present embodiment can be gathered the status signal of equipment such as heat exchange unit interior temperature, pressure, flow, valve position and circulating pump and small pump in real time, and according to the real-time setting range of regulating above-mentioned signal of the variation of outside air temperature, to change the thermal loads of heat exchange unit, energy savings.The operational factor of simultaneously in the middle of the heat exchange unit operation, gathering, monitoring each equipment in the heat exchange unit in real time, and according to default parameter area each equipment is regulated, the stable operation of heat exchange unit guaranteed.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.

Claims (10)

1. a heat control system device comprises power supply unit and air switch, it is characterized in that, also comprises: first collecting unit and control module; Described first collecting unit is gathered first signal of heat supply network primary side and heat supply network secondary side, and offers described control module; Alarm signal is controlled or sent to described control module according to the preset range of described first signal to the equipment in the described heat supply network of the described first signal correspondence; Described first signal is the feed pipe of described heat supply network primary side and secondary side and temperature, pressure, flow and the valve position signal of return pipe.
2. heat control system device according to claim 1 is characterized in that, also comprises:
Second collecting unit, described second collecting unit are gathered the secondary signal of described heat supply network and are offered described control module, and described control module sends alarm signal according to described secondary signal; Described secondary signal is the circulating pump of return pipe of described heat supply network secondary side and the switching value signal of small pump.
3. heat control system device according to claim 1 and 2 is characterized in that, described first collecting unit gathers submodule by first and the analog-to-digital conversion submodule constitutes; Described first gather submodule collect the feed pipe of described heat supply network primary side and secondary side and return pipe temperature, pressure, flow and valve position analog signal and offer described analog-to-digital conversion submodule; Described analog-to-digital conversion submodule is converted into described analog signal data signal and offers described control module.
4. heat control system device according to claim 3 is characterized in that, described control module constitutes by receiving submodule and controlling submodule, and described reception submodule gets access to described first signal and described secondary signal, and offers described control submodule; Alarm signal is controlled or sent to described control submodule according to the equipment in described first signal and the described secondary signal pair described heat supply network corresponding with described first signal.
5. heat control system device according to claim 4 is characterized in that, also comprises:
The regulon that is connected with described first collecting unit, described second collecting unit and described control module respectively, described regulon carries out described first signal to offer described control module after the filtering, and described secondary signal is carried out offering described control module after the electrical separation.
6. heat control system device according to claim 1 and 2 is characterized in that, also comprises:
With the operation interface that described control module is connected, described operation interface is provided with the preset range of described first signal, and shows described first signal and the described secondary signal of described control module input.
7. heat control system device according to claim 6 is characterized in that, also comprises:
With the alarm unit that described control module is connected, described alarm unit receives the described alarm signal of described control module and sends the indication of reporting to the police.
8. heat control system device according to claim 7 is characterized in that, also comprises:
With the data transmission unit that described control module is connected, described data transmission unit reports heat-exchange system with the input signal of described control module, and described heat-exchange system comprises a plurality of heat exchange units.
9. heat control system device according to claim 1 and 2 is characterized in that, described control module and described second collecting unit are programmable logic controller (PLC).
10. heat control system device according to claim 8 is characterized in that, described data transmission unit is a wireless data terminal equipment.
CN2009201086273U 2009-05-26 2009-05-26 Thermal control system device Expired - Lifetime CN201463116U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2568728A (en) * 2017-11-24 2019-05-29 Dooley Simon System and method for monitoring a central heating system
CN111536421A (en) * 2020-05-10 2020-08-14 南京苏夏设计集团股份有限公司 Long-distance heat transmission network intelligent monitoring system
CN112963895A (en) * 2021-03-12 2021-06-15 深圳市有方科技股份有限公司 Heating control method and system
CN115195069A (en) * 2022-06-27 2022-10-18 佛山市南海区广工大数控装备协同创新研究院 Universal data acquisition module and system for injection molding machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2568728A (en) * 2017-11-24 2019-05-29 Dooley Simon System and method for monitoring a central heating system
GB2568728B (en) * 2017-11-24 2020-11-11 Dooley Simon System and method for monitoring a central heating system
CN111536421A (en) * 2020-05-10 2020-08-14 南京苏夏设计集团股份有限公司 Long-distance heat transmission network intelligent monitoring system
CN111536421B (en) * 2020-05-10 2022-01-07 南京苏夏设计集团股份有限公司 Long-distance heat transmission network intelligent monitoring system
CN112963895A (en) * 2021-03-12 2021-06-15 深圳市有方科技股份有限公司 Heating control method and system
CN115195069A (en) * 2022-06-27 2022-10-18 佛山市南海区广工大数控装备协同创新研究院 Universal data acquisition module and system for injection molding machine

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: BEIJING RUI CHI REID ELECTRICAL ENGINEERING CO., L

Free format text: FORMER OWNER: LI XIAOMING

Effective date: 20120625

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20120625

Address after: 100083, Beijing, Haidian District learning Road 16, learning Hin room 1416

Patentee after: BEIJING RUICHI REID ELECTRICAL ENGINEERING CO., LTD.

Address before: 100083, Beijing, Haidian District learning Road 16, learning Hin Building, room 1416

Patentee before: Li Xiaoming

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100512