CN206257785U - Pump energy saving control device - Google Patents
Pump energy saving control device Download PDFInfo
- Publication number
- CN206257785U CN206257785U CN201621330427.9U CN201621330427U CN206257785U CN 206257785 U CN206257785 U CN 206257785U CN 201621330427 U CN201621330427 U CN 201621330427U CN 206257785 U CN206257785 U CN 206257785U
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- China
- Prior art keywords
- microprocessor
- resistance
- triode
- water pump
- sensor
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- 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.)
- Expired - Fee Related
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- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses a kind of pump energy saving control device, including switch board, power circuit, touch screen, contactor, communication module, Cold-heat Control System, water pump and end, switch board includes collecting unit, protection circuit, microprocessor and frequency converter, collecting unit respectively with end, water pump, protection circuit and microprocessor are connected, microprocessor passes sequentially through frequency converter and contactor is connected with water pump, touch screen is connected with microprocessor, microprocessor connects Cold-heat Control System by communication module, collecting unit includes voltage sensor, current sensor, temperature sensor, pressure sensor and flow sensor, switch board is provided with mode switching key；End is provided with the signal receiving unit of the desired signal for receiving different air-conditionings；Protection circuit includes triode, metal-oxide-semiconductor, first resistor to the 6th resistance and the first electric capacity.The utility model energy save energy, with circuit protection function, the reliability of product can be improved.
Description
Technical field
The utility model is related to water pump control field, more particularly to a kind of pump energy saving control device.
Background technology
Central air conditioner system includes three big parts, respectively Cooling and Heat Source device systems, water pump system and end system,
Because central air conditioner system is the central part of building energy consumption, the energy consumption of water pump system also can not look down upon.At present, water pump
Type selecting generally according to Design cooling load and with certain safety allowance (usually 10%) selection, and system in actual moving process
Most time operations are at part load；Water pump is typically adopted as the major impetus device of water circulation system of central air conditioning
With the mode of firm discharge, to make quantity of circulating water under Design cooling load close to design discharge, and in most cases, supply
Cold is adapted with load variations, typically adjusts flow using modes such as valve throttles, the big portion of energy for causing water pump to provide
Divide and consumed by valve, it is impossible to which the actual demand according to air-conditioning system to water circular flow carries out Flow-rate adjustment, and this will certainly lead energy
The waste in source.In addition, the sample circuit in conventional art can be realized to sensor under normal circumstances due to defencive function
Signals collecting function, but when supply voltage is connected to the port that should not be connect by sensor by mistake to power supply short circuit, product just occurs
The quality accident of product, the poor reliability of product.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided one kind can be saved
The energy, the pump energy saving control device with circuit protection function, the reliability that product can be improved.
The utility model solves the technical scheme that its technical problem used：A kind of pump energy saving control device is constructed,
Including switch board, power circuit, touch screen, contactor, communication module, Cold-heat Control System, water pump and end, the control
Cabinet include collecting unit, protection circuit, microprocessor and frequency converter, the collecting unit respectively with the end, water pump, protection
Circuit and microprocessor are connected, and the microprocessor connects power supply by the power circuit, and the microprocessor is successively
It is connected with the water pump by the frequency converter and contactor, the touch screen is connected with the microprocessor, the microprocessor
Device connects the Cold-heat Control System by the communication module, and the collecting unit includes voltage sensor, current sense
Device, temperature sensor, pressure sensor and flow sensor, the voltage sensor, current sensor, temperature sensor, pressure
Force snesor and flow sensor are connected with the microprocessor, and the switch board is provided with mode switching key；The end
End is provided with the signal receiving unit of the desired signal for receiving different air-conditionings；
The protection circuit includes triode, metal-oxide-semiconductor, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th
Resistance, the 6th resistance and the first electric capacity, the base stage of the triode by first electric capacity respectively with the first resistor
One end connection of one end and the 5th resistance, the other end ground connection of the first resistor, the colelctor electrode of the triode is by described
Second resistance connects the power supply, and the emitter stage of the triode passes through the 6th resistance eutral grounding, the triode
Grid of the colelctor electrode also with the metal-oxide-semiconductor is connected, and the drain electrode of the metal-oxide-semiconductor is electric with the described 4th respectively by the 3rd resistor
The connection of one end of resistance, the other end of the 5th resistance and collecting unit, the other end and the microprocessor of the 4th resistance
Analog-to-digital conversion port connects, the source ground of the metal-oxide-semiconductor.
In pump energy saving control device described in the utility model, the protection circuit also includes the second electric capacity, described
The colelctor electrode of triode is connected by second electric capacity with the grid of the metal-oxide-semiconductor.
In pump energy saving control device described in the utility model, the protection circuit also includes the 7th resistance, described
The source electrode of metal-oxide-semiconductor passes through the 7th resistance eutral grounding.
In pump energy saving control device described in the utility model, the triode is NPN type triode, the MOS
It is N-channel MOS pipe to manage.
In pump energy saving control device described in the utility model, the communication module is provided with network interface, RS232 and connects
Mouth, RS485 interfaces and RS422 interfaces.
Implement pump energy saving control device of the present utility model, have the advantages that：Due to having by collecting unit
Effect ground obtains the service data of water pump and end, and the different demands of end are obtained in the presence of signal receiving unit, so that
Dynamic is completed to monitor and realize supplying on demand；It is connected with Cold-heat Control System by communication module, intellectual analysis control water is followed
The optimal flux of loop systems, the automatic water pump that sets opens quantity and frequency conversion output, controls the rotating speed of water pump, rationally calls water pump
Flow, makes water pump reasonably coordinate the overall power of central air-conditioning to export, and meets end demand, reduces the consumption of the energy, in addition,
Due to be provided with protection circuit, overcurrent protection can be carried out, thus its can save energy, with circuit protection function, can improve
The reliability of product.
Brief description of the drawings
In order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before creative labor is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation in the utility model pump energy saving control device one embodiment；
Fig. 2 is the electrical block diagram of protection circuit in the embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
In the utility model pump energy saving control device embodiment, the structural representation of the pump energy saving control device is such as
Shown in Fig. 1.In Fig. 1, the pump energy saving control device includes switch board 1, power circuit 2, touch screen 3, contactor 4, communication mould
Block 5, Cold-heat Control System 6, water pump 7 and end 8, wherein, switch board 1 is connected by electric wire with water pump 7, and switch board 1 also leads to
Cross wire to be connected with Cold-heat Control System 6, switch board 1 includes collecting unit 11, protection circuit 12, microprocessor 13 and frequency conversion
Device 14, collecting unit 11 is connected with end 8, water pump 7, protection circuit 12 and microprocessor 13 respectively, wherein, microprocessor 13 leads to
Cross power circuit 2 and connect power supply VCC (referring to Fig. 2), microprocessor 13 passes sequentially through frequency converter 14 and contactor 4 and water pump
7 connections, touch screen 3 is connected with microprocessor 13, for what is sent to the input signal of microprocessor 13 or reception microprocessor 13
Signal, microprocessor 13 connects Cold-heat Control System 6 by communication module 5, so as to realize water pump 7 and Cold-heat Control System
6 linkage, completes the coordinated signals of water pump 7 and Cold-heat Control System 6, so that more accurate adjustment flow system flow, optimization
The rotating speed of water pump 7.
It is noted that in the present embodiment, switch board 1 is provided with mode switching key (not shown), pattern is cut
Button is changed for being switched between energy saver mode and conventional system pattern.
Above-mentioned collecting unit 11 includes that voltage sensor, current sensor, temperature sensor, pressure sensor and flow are passed
Sensor (not shown), above-mentioned voltage sensor, current sensor, temperature sensor, pressure sensor and flow sensor
It is connected with microprocessor 13.The running power of water pump 7 is gathered by voltage sensor and current sensor, by TEMP
Device collection is supplied water and return water temperature, and the pressure supplied water with backwater is gathered by pressure sensor, is gathered by flow sensor and supplied
The flow of water and backwater, certainly, the collecting unit 11 can also in addition set a Temperature Humidity Sensor, be passed by the humiture
Sensor gathers the temperature and humidity of end 8, so that the operational parameter data of collection water pump 7 and end 8 comprehensively, and deliver this to
Microprocessor 13.The data message that the collection of 13 comprehensive analysis collecting unit of microprocessor 11 comes, and calculate frequency conversion parameter, and root
Frequency conversion is carried out according to frequency conversion state modulator frequency converter 14, frequency converter 14 transmits to water pump 7 frequency after frequency conversion by contactor 4,
So as to control the rotating speed of water pump 7, water pump 7 is set to realize rationally operating.Meanwhile, by the accumulation of data, microprocessor 13 is analyzed often
Power of the platform water pump 7 in different load, and unlatching combination and the frequency of water pump 7 are calculated and match, make the energy-efficient fortune of water pump 7
OK.
In the present embodiment, the signal receiving unit that end 8 is provided with the desired signal for receiving different air-conditionings (does not show in figure
Go out), signal receiving unit is connected with microprocessor 13, and signal receiving unit receives the requirement of the different air-conditionings in end 8, and demand is believed
Microprocessor 13 number is ultimately transferred to, microprocessor 13 is dynamically monitored according to the information of collector unit 11 and signal receiving unit
And realization is supplied on demand, so that realize the monitoring to each branch road basic parameter of water system, i.e., including to temperature, pressure and emphasis area
The monitoring of the water-carrying capacity in domain.Water pump system is realized to automatically adjust, the cold and hot amount according to needed for each branch road, each according to certain
Control strategy is realized automatically controlling；Exerting oneself for chilled water pump 7 and cooling water pump 7 is automatically adjusted, is become with the load of compatible termini 8
Change；Switch board can make control easily the frequency of timesharing and zonal control water pump 7 and to exert oneself, and be easy to operation.
Fig. 2 be the present embodiment in protection circuit electrical block diagram, in Fig. 2, protection circuit 12 include triode Q1,
Metal-oxide-semiconductor Q2, first resistor R1, second resistance R2,3rd resistor R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6 and
One electric capacity C1, wherein, the 6th resistance R6 is current-limiting resistance, and excessively stream guarantor is carried out for the branch road where the emitter stage to triode Q1
Shield, the first electric capacity C1 is coupled capacitor, for preventing indirect current from separating direct current.The base stage of triode Q1 passes through the first electric capacity
C1 is connected with one end of first resistor R1 and one end of the 5th resistance R5 respectively, the other end ground connection of first resistor R1, triode
The colelctor electrode of Q1 connects power supply VCC by second resistance R2, and the emitter stage of triode Q1 is grounded by the 6th resistance R6, and three
Grid of the colelctor electrode of pole pipe Q1 also with metal-oxide-semiconductor Q2 is connected, the drain electrode of metal-oxide-semiconductor Q2 by 3rd resistor R3 respectively with the 4th resistance
One end of R4, the other end of the 5th resistance R5 and collecting unit 11 (voltage sensor or electric current specifically in collecting unit 11
Sensor) connect, the other end of the 4th resistance R4 is connected with the analog-to-digital conversion port of microprocessor 13, and the source electrode of metal-oxide-semiconductor Q2 connects
Ground.Above-mentioned triode Q1 is NPN type triode, and metal-oxide-semiconductor Q2 is N-channel MOS pipe.Certainly, in actual applications, triode Q1
Can be PNP type triode, metal-oxide-semiconductor Q2 is P-channel metal-oxide-semiconductor, but at this moment the structure of circuit also will accordingly change.
Due to effectively obtaining the service data of water pump 7 and end 8 by collecting unit 11, and in signal receiving unit
The different demands of end 8 are obtained under effect, so as to complete dynamic and monitor and realize supplying on demand；By communication module 5 with it is cold and hot
Source control system 6 is connected, and intellectual analysis control the optimal flux of water circulation system, the automatic unlatching quantity for setting water pump 7 and change
Frequency is exported, and controls the rotating speed of water pump 7, rationally calls the flow of water pump 7, water pump 7 is reasonably coordinated the overall work(of central air-conditioning
Rate is exported, and meets the demand of end 8, the consumption of the energy is reduced, further, since there is provided protection circuit 12, can carry out excessively stream
Protection, thus its can save energy, with circuit protection function, the reliability of product can be improved.
In the present embodiment, the protection circuit 12 also includes the second electric capacity C2, and the colelctor electrode of triode Q1 passes through the second electric capacity
C2 is connected with the grid of metal-oxide-semiconductor Q2.Second electric capacity C2 is coupled capacitor, dry between triode Q1 and metal-oxide-semiconductor Q2 for preventing
Disturb.
In the present embodiment, the protection circuit 12 also includes the 7th resistance R7, and the source electrode of metal-oxide-semiconductor Q2 is connect by the 7th resistance R7
Ground.7th resistance R7 is current-limiting resistance, and overcurrent protection is carried out for the branch road where the source electrode to metal-oxide-semiconductor Q2.
It is noted that in the present embodiment, communication module 5 be provided with network interface, RS232 interfaces, RS485 interfaces and
RS422 interface (not shown)s, communication module 5 can be by network interface, RS232 interfaces, RS485 interfaces and RS422 interfaces
Any one interface be connected with Cold-heat Control System 6, can thus increase the flexibility of connected mode.
In a word, in the present embodiment, due to effectively obtaining the service data of water pump 7 and end 8 by collecting unit 11,
And the different demands of end 8 are obtained in the presence of signal receiving unit, so as to complete dynamic and monitor and realize supplying on demand；It is logical
Cross communication module 5 to be connected with Cold-heat Control System 6, intellectual analysis control the optimal flux of water circulation system, and water is set automatically
The unlatching quantity of pump 7 and frequency conversion are exported, and control the rotating speed of water pump 7, rationally call the flow of water pump 7, water pump 7 is reasonably coordinated
The overall power output of central air-conditioning, meets the demand of end 8, the consumption of the energy is reduced, further, since there is provided protection circuit
12, protection circuit 12 collecting unit 11 can be carried out overcurrent protection and prevent interference, so its can save energy, with circuit
Defencive function, the reliability that product can be improved.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in the utility model
Protection domain within.
Claims (5)
1. a kind of pump energy saving control device, it is characterised in that including switch board, power circuit, touch screen, contactor, communication
Module, Cold-heat Control System, water pump and end, the switch board include collecting unit, protection circuit, microprocessor and frequency conversion
Device, the collecting unit is connected with the end, water pump, protection circuit and microprocessor respectively, and the microprocessor passes through institute
Power circuit connection power supply is stated, the microprocessor passes sequentially through the frequency converter and contactor and is connected with the water pump,
The touch screen is connected with the microprocessor, and the microprocessor connects the Cooling and Heat Source and controls system by the communication module
System, the collecting unit includes voltage sensor, current sensor, temperature sensor, pressure sensor and flow sensor, institute
Voltage sensor, current sensor, temperature sensor, pressure sensor and flow sensor is stated to connect with the microprocessor
Connect, the switch board is provided with mode switching key；The end is provided with the signal of the desired signal for receiving different air-conditionings
Receiving unit；
The protection circuit includes triode, metal-oxide-semiconductor, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th electricity
Resistance, the 6th resistance and the first electric capacity, the base stage of the triode is by first electric capacity respectively with the one of the first resistor
One end of end and the 5th resistance connects, the other end of first resistor ground connection, and the colelctor electrode of the triode is by described the
Two resistance connect the power supply, and the emitter stage of the triode is by the 6th resistance eutral grounding, the collection of the triode
Grid of the electrode also with the metal-oxide-semiconductor is connected, the drain electrode of the metal-oxide-semiconductor by the 3rd resistor respectively with the 4th resistance
One end, the other end of the 5th resistance and collecting unit connection, the other end of the 4th resistance and the mould of the microprocessor
Number conversion port connection, the source ground of the metal-oxide-semiconductor.
2. pump energy saving control device according to claim 1, it is characterised in that the protection circuit also includes the second electricity
Hold, the colelctor electrode of the triode is connected by second electric capacity with the grid of the metal-oxide-semiconductor.
3. pump energy saving control device according to claim 1 and 2, it is characterised in that the protection circuit also includes the
Seven resistance, the source electrode of the metal-oxide-semiconductor passes through the 7th resistance eutral grounding.
4. pump energy saving control device according to claim 3, it is characterised in that the triode is NPN type triode,
The metal-oxide-semiconductor is N-channel MOS pipe.
5. pump energy saving control device according to claim 4, it is characterised in that the communication module be provided with network interface,
RS232 interfaces, RS485 interfaces and RS422 interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330427.9U CN206257785U (en) | 2016-12-06 | 2016-12-06 | Pump energy saving control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621330427.9U CN206257785U (en) | 2016-12-06 | 2016-12-06 | Pump energy saving control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206257785U true CN206257785U (en) | 2017-06-16 |
Family
ID=59028522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621330427.9U Expired - Fee Related CN206257785U (en) | 2016-12-06 | 2016-12-06 | Pump energy saving control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206257785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739396A (en) * | 2021-09-01 | 2021-12-03 | 四川省建筑科学研究院有限公司 | Hydraulic balance debugging system for central air conditioner |
-
2016
- 2016-12-06 CN CN201621330427.9U patent/CN206257785U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739396A (en) * | 2021-09-01 | 2021-12-03 | 四川省建筑科学研究院有限公司 | Hydraulic balance debugging system for central air conditioner |
| CN113739396B (en) * | 2021-09-01 | 2023-02-03 | 四川省建筑科学研究院有限公司 | Hydraulic balance debugging system for central air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170616 Termination date: 20201206 |