CN2505754Y - Automatic monitoring device for ice water main machine air conditioning system - Google Patents
Automatic monitoring device for ice water main machine air conditioning system Download PDFInfo
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- CN2505754Y CN2505754Y CN 01233516 CN01233516U CN2505754Y CN 2505754 Y CN2505754 Y CN 2505754Y CN 01233516 CN01233516 CN 01233516 CN 01233516 U CN01233516 U CN 01233516U CN 2505754 Y CN2505754 Y CN 2505754Y
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Abstract
An automatic monitoring device for ice water main machine air condition system consists of a detection circuit, a parametric comparator circuit, a microprocessor circuit and a display circuit, wherein, the detection circuit detects temperature value and flow value of cooling water and ice water when the air conditioner system is in action actually; the parametric comparator circuit provides design standard temperature value and standard flow value of the cooling water and the ice water; the microprocessor circuit compares the temperature value and the flow value which are output by the detection circuit with the standard temperature value and standard flow value which are designed by the parametric comparator circuit to obtain a difference value; the display circuit shows needed data; therefore, the operation state of the air conditioner system can be monitored and corresponding adjustment can be made.
Description
The automated watch-keeping facility of a kind of ice water host computer air-conditioning system of the utility model special use belongs to air-conditioning system from monitoring device.
The existing indoor central air conditioner systems such as various large-scale shopping place, commercial building, large-sized workshop that are installed in, major part all adopts the central air conditioner system with ice water host computer, as shown in Figure 1, it is made up of a frozen water unit 1, a cooling tower 2, a cooling water pump 3, a CHP 4 and an air-conditioning box 5; Wherein, this frozen water unit 1 comprises a condenser 11, a compressor 12 and an evaporimeter 13, be equipped with a cooling water inlet pipe 111 and a cooling water outlet pipe 112 again on this condenser 11 respectively, and also be equipped with a frozen water water inlet pipe 131 and a frozen water outlet pipe 132 on this freezing water apparatus 13 respectively.Employed cooling water in this central air conditioner system, system is by the cooling water inlet pipe 111 of cooling tower 2 through cooling water pump 3 and condenser 11, flow into carry out heat exchange in this condenser 11 and be warm water after, by the cooling water outlet pipe 112 of this condenser 11, return to recirculation use in this cooling tower 2 again; And employed frozen water in this central air conditioner system, then by the frozen water water inlet pipe 131 of CHP 4 and evaporimeter 13, enter carry out frozen water that heat exchange is a low temperature in this evaporimeter 13 after, frozen water outlet pipe 132 by this evaporimeter 13 flows out again, and after entering these air-conditioning box 5 interior coil pipes 51 and carrying out heat exchange, send cold air to indoor by pressure fan 52, simultaneously by the high temperature frozen water after coil pipe 51 heat exchanges, then recirculation is used in CHP 4 passes back into evaporimeter 13.
As everyone knows, the electricity power appropriate litigation fees that above-mentioned ice water host computer air-conditioning system overall operation is consumed is high, so merchant of all manufacturing factories or dealer promptly constantly drop into research and development fund and time for a long time, seek for the performance of improving each unit in this ice water host computer air-conditioning system, expectation can reach the target of saving electric power; But really in the service firing process of reality, but still having many power consumption parts so far can't can obtain to be enhanced or to solve this ice water host computer air-conditioning system by the performance of improving each unit at present, and the reason of its generation and disappearance division are as follows:
Once, cooperate shown in Figure 1 now and the first design specification of each unit in the system:
1. at present before preparation installing ice water host computer air-conditioning system, the designer is provided with the flow of on-the-spot required cooling water and the specification that lift decides its cooling water pump of matching 3 according to this system, but in fact provide the producer of cooling water pump 3, under the factor as mechanical loss and line loss etc. after the running that looks to the future is used, the flow and the bigger cooling water pump 3 of lift value that require than reality can be provided usually, to avoid providing the cooling water pump 3 that just meets the lift design load, cooling water takes place in the future can't be extracted into the situation that reaches cooling tower 2 height, otherwise it also must lose the loss that more renews cooling water pump 3 in the future again; In other words, the cooling water pump 3 that turns round in all ice water host computer air-conditioning systems in fact, its measured discharge value must be greater than the design flow value, and this fact promptly is to cause the some of power consumption; Especially exemplified by routine formula is provable as follows down: the existing measured discharge value Q1=267m3/hr of known cooling water pump, rotational speed N 1=1750rpm, former design flow value Q2=190m3/hr, then according to pump similarity law formula Q1/Q2=N1/N2, can calculate the in fact corresponding required rotational speed N 2=of this cooling water pump (1750 * 190) ÷ 267=1245rpm can be enough, then the rotating speed of its real-world operation (N2) 1750rpm is obviously too many, the shaft horsepower BHP1=45kw of other known cooling water pump, again according to pump similarity law formula BHP1/BHP2=N13/N23, can calculate the real needed shaft horsepower BHP2=of this cooling water pump (45 * 12453) ÷ 17503=16.2kw, so can save the horsepower=BHP1-BHP2=45-16.2=28.8kw (per unit hour) of acting after both compare.Learn by above-mentioned example, install the rotating speed that frequency converter is made the control cooling water pump additional, during in the rotating speed of transferring this cooling water pump slowly to the rotating speed identical, can reach the effect of power saving with former design flow value if people can adopt.
2. this runs on the CHP 4 in the ice water host computer air-conditioning system, except existing the same problem with above-mentioned cooling water pump 3, the cold-room temperature has arrived setting value (for example 25 ℃) in the also normal generation chamber, but still get the frozen water of identical frozen water temperature (for example 7 ℃), not only CHP 4 own many power consumptions make the frozen water inflow temperature of evaporimeter 13 low excessively again easily, cause the evaporating temperature of evaporimeter 13 to reduce on the contrary, to make compressor 12 actings increase and more power consumption, so how cross when low at the frozen water inflow temperature, it is slow that the rotating speed of this CHP 4 is made in good time accent, to reduce the ice water circulation amount, then can reduce the work done of compressor 12, be only the effect that can reach power saving.
3. after generally starting the running of ice water host computer air-conditioning system, when reaching the indoor temperature value that sets, the required frozen water flow of cold-room in its holding chamber, identical can the reaching of frozen water flow when no longer needing with startup just kept the indoor temperature that this sets, but when this indoor temperature passes in and out number change along with personnel and rises, then its frozen water flow must be along with increasing once again, with the large-scale shopping place in the business is example, the mobile variable quantity of the number in its interior space is exceedingly fast, preceding ten minutes may be more than tens of people to hundred people with back ten minutes number difference, but the air conditioning quantity that whole frozen water unit 1 is exported, but can't make timely corresponding cooperation output quantity, be identical amount when usually the air conditioning quantity that is provided for a long time in number tails off with number, so situation is power consumption on the contrary; Therefore, if can learn the variation of this interior space temperature, and adjust the operating condition of each unit in the ice water host computer air-conditioning system immediately, when making it to meet corresponding cold air demand, just can reach the effect of power saving by instant monitoring.
4. learn according to the standard rated condition, cold in-water temperature is that 35 ℃ and cooling water leaving water temperature are when being 30 ℃, cooling capacity the best of its ice water host computer air-conditioning system, in other words, during temperature T 1=35 ℃ of cooling tower 2 water inlets 22 with delivery port 21 temperature T 2=30 ℃, cooling effectiveness the best that its both temperature approach Δ is T=T1-T2=35-30=5 ℃, in view of the above, heat exchange according to first law of thermodynamics H=m * s * Δ T, this temperature approach Δ T is healed when big, available heat exchange value H the more, and this temperature approach Δ T is more hour, the heat exchange value H that can provide is fewer; In like manner can push away, if the required heat exchange value H of cooling water is a timing, for both temperature approach Δ T of this cooling tower 2 water inlets 22 and delivery port 21 are maintained in certain scope, can can reach as the plan of correspondence via fan motor 23 rotating speeds of transferring slow cool down water tower 2 or the rotating speed of cooling water pump 3, then simultaneously again because of the slow result of energy saving that produced of the rotating speed of this fan motor 23 or cooling water pump 3; But, the real fact but is opposite, because the variations in temperature in the middle of a day is all different to night again from morning to noon, and the difference variation in varying environment next day four seasons spring, summer, autumn and winter in the middle of a year is bigger, so run on cooling effectiveness that the cooling tower 2 in the ice water host computer air-conditioning system produced and can't be at present with extraneous difference variation, make in good time unlatching or close its fan motor 23, be to carry out fixed mode running under certain imposing a condition on the contrary, then its meaningless power consumption also exists naturally always and is not solved and improve always.
Two, please still cooperate shown in Figure 1, again with regard to division is as follows because of operating personnel neglect the disappearance that is caused in the real-world operation of whole ice water host computer air-conditioning system in addition:
1. each unit manufacturing firm in mentioned as described above all ice water host computer air-conditioning systems; all provide best specification product according to the required design of actual indoor cold-room ability; but use is operators of shopping place with a side of the payment electricity charge; when if generation is unusual or bad in the operation process between each unit; failing in time to give in good time processing and improvement immediately under the discovery; then will produce power consumption immediately and be reflected in the increase of electricity charge expenditures; that finally stands to lose is still the operator; therefore the operator all employs the Operation and Maintenance personnel of tool refrigerating and air conditioning background technology; do daily system boot or shutdown work at ordinary times; then be responsible for the work of each unit of cleaning maintenance during curing period; respect the dealer as this employment Operation and Maintenance personnel genus; only can check no abnormal according to the design standard standard that each unit provided; how much judge whether to adjust operating condition between each unit with individual's experience again; if run into respectful dealer; only be to do daily start and shutdown action; because the ice water host computer air-conditioning system that price is high; both just turned round through test run and after checking and accepting; can be short a few days or several months or one; promptly damage motionless in the period of two; in the time, great parts will really take place damages; more non-self-ability in one's power; it is also just not at all surprising that all ice water host computer air-conditioning users pay the high electricity charge always as long as can report to the leadship after accomplishing a task so look for relevant producer to come to overhaul! Yet no matter be to respect dealer or respectful dealer, in fact can not return entirely and study carefully in the Operation and Maintenance personnel, because of the factor that produces power consumption in the system running as described in preceding first each point, even operate according to design specification condition best between each unit fully, but be still and find existing unusual generation the in the real-world operation in next minute or next second immediately, exist side by side and can make suitable responses disposal, as long as relate to people's factor for it still more, anyone also can't accomplish the state that steps up vigilance at any time; Lift the simplest and the example that all can take place every day, when indoor cold-room temperature has reached when setting value (for example 25 ℃ or 26 ℃ etc.), the frozen water flow that this frozen water unit 1 is supplied should reduce, but in the design of present system be: last two-port valve or the triple valve V of frozen water pipe C can be turned down automatically before the air-conditioning box 5, and the frozen water flow does not reduce, to be the frozen water amount that will have more on the contrary through this two-port valve or triple valve V be back in the evaporimeter 13 again recycles away again, therefore compressor 12 works done are still constant, so, best countermeasure should be that the volume controlled valve with this compressor 12 turns down, cold medium flux is reduced, so compressor 12 just can reduce work done and consumes power, the electricity charge of this part can be saved, when indoor temperature raises once again, again the volume controlled valve of compressor 12 is opened greatly, can recover the supply of air conditioning quantity, it is variation back and forth for several times in such a day, operating personnel need constantly to hurry back and forth back and forth and see temperature and adjust compressor 12, get off for several times also can make it exhausted, in fact at all extremely difficult requirement is accomplished, and is let alone constantly to take place the improper power consumption situation of aforesaid intermittence.
2. the Operation and Maintenance personnel were once taken place in practical operation, when time-based maintenance cleaning cooling tower 2, this Operation and Maintenance personnel are on the roof, according to regulation the switch of the cooling fan motor 23 of cooling tower 2 cuts out earlier and just begin to do the maintenance cleaning, but after finishing, maintenance forgotten to open once again the switch of cooling fan motor 23, cause cooling tower 2 fans not have start, the cooling water temperature that forms its water inlet 22 and delivery port 21 loses the heat-sinking capability of cooling water much at one, and a succession ofly cause the pressure in the condenser in the whole ice water host computer air-conditioning system 11 to raise, refrigerating capacity descends, too high and carbonization of refrigeration oil Yin Wendu and whole frozen water unit 1 efficient reduce, make that relatively the electricity charge increase suddenly, one just finds different shape behind ice water host computer air-conditioning system emergency switch escape, going to the side of searching to learn again is to have forgotten to open again due to cooling tower 22 fan motors 23, so it but can only no longer take place with the alerting pattern prevention in an electricity charge loss that is caused because of personnel's carelessness, but can't guarantee to take place never.
The automated watch-keeping facility of a kind of ice water host computer air-conditioning system of the utility model special use, its objective is: utilize can be the effectively omnidistance data information of learning in the running all cooling waters and frozen water in the ice water host computer air-conditioning system that detects of this device, supply engineering staff or Operation and Maintenance personnel after initiatively monitoring at any time, interpretation immediately goes out the operating condition of each unit in this ice water host computer air-conditioning system that whether needs to adjust, or change its correspondence that unusual bad unit part etc. is arranged and dispose, make it meet the operating condition of system's optimum efficiency, accomplish energy saving.This device, can detect real actual temperature value or the flow value of learning various cooling waters and frozen water, can be at any time with the ice water host computer air-conditioning system in each unit cooling water and frozen water former design standard temperature value or flow value is capable compares mutually, and learn in time whether unusual generation is arranged, and then the power consumption of avoiding fully causing because of human negligence is lost.This device has alarm signal, and engineering staff or Operation and Maintenance personnel can be made a response in the very first time, and the instant in addition power consumption operation mode in the removal system.This device has servo-drive system, engineering staff or Operation and Maintenance personnel can simultaneously omnidistancely be detected learn in the running data signals of all cooling waters and frozen water in the ice water host computer air-conditioning system.
The automated watch-keeping facility of a kind of ice water host computer air-conditioning system of the utility model special use, it includes:
One microprocessor circuit, utilize microprocessor to constitute, its input system joins with the output of parameter comparison circuit and testing circuit respectively, output then joins with the input of display circuit, it is in the whole central air conditioner system of master control, the center of the automated watch-keeping facility of all cooling waters, frozen water, evaporator refrigerant temperature and refrigerant condensation temperature running;
One parameter comparison circuit, its signal output part joins with the input of microprocessor circuit and the input of display circuit respectively, and the design standard temperature value or the design standard flow value of the interior cooling water of all each units, frozen water, evaporator refrigerant temperature and refrigerant condensation temperature in the central air conditioner system is provided;
One testing circuit, its signal output part system joins with the input of microprocessor circuit and the input of display circuit respectively, in order to detect in this ice water host computer air-conditioning system temperature value or the flow value in all cooling waters, frozen water, evaporator refrigerant temperature and the real-world operation of refrigerant condensation temperature in each unit; And
One display circuit, its signal input part respectively with microprocessor circuit, the output of parameter comparison circuit and testing circuit joins, can show to come the cooling water of all each units in the ice water host computer air-conditioning system of autoregressive parameter comparison circuit respectively, frozen water, the design standard temperature value of evaporator refrigerant temperature and refrigerant condensation temperature and design standard flow value, or interior all cooling waters of each unit in the ice water host computer air-conditioning system of testing circuit, frozen water, temperature value or flow value in evaporator refrigerant temperature and the real-world operation of refrigerant condensation temperature, and through the difference value that microprocessor circuit relatively drew, to monitor the usefulness of reference at any time as engineering staff or maintenance operation personnel.
Wherein, this microprocessor circuit is the microprocessor of universal or tailored version.
Wherein, this microprocessor circuit is single chip microprocessor such as 8051,8052.
Wherein, burning has the ice water host computer air-conditioning system standard rated condition value of standard in this parameter comparison circuit, as the frozen water inflow temperature (℃), the frozen water leaving water temperature (℃), cold in-water temperature (℃) and the cooling water leaving water temperature (℃) etc. design standard temperature parameter value.
Wherein, this testing circuit is made up of several temperature/flow inductors, an operational amplifier and an analogy to numerical digit A/D converter, wherein, these several temperature/flow inductors, respectively by the exit of cooling water pump, the CHP of device in central air conditioner system, condenser, evaporimeter, or on the cooling water inlet pipe and cooling water outlet pipe of condenser, or on the frozen water water inlet pipe and frozen water outlet pipe of freezing water apparatus.
Wherein, this display circuit is a LED or LCD display circuit, its data pin, activation pin-E, read/write pin RS are connected to the pin of microprocessor circuit, with the pin of parameter comparison circuit and the pin of testing circuit, and on its display floater, be respectively arranged with a desired value display window, a measured value display window, a difference value display window, several options sign field and option keys.
Wherein, each option indicates the other warning lamp that all is equipped with of field in the display floater of this display circuit.
Wherein, this device comprises that one is arranged in the voice informing circuit on this microprocessor circuit, and this voice informing circuit is made up of voice IC, drive circuit of loudspeaker and loudspeaker.
Wherein, store the voice or the alarm sound of informing in these voice IC.
Wherein, this device comprises that one is arranged in the data input circuit on this microprocessor circuit, and this data input circuit comprises one to have 0 to 9 numerical key, and set (SET) key and and remove (CLEAR) key.
Wherein, on the display floater of this display circuit, have additional a formula function form.
Wherein, this testing circuit, parameter comparison circuit, microprocessor circuit and display circuit are all set up respectively each other with a wireless communication interface circuit.
Wherein, this wireless communication interface circuit is the RS485 communication interface circuit.
Wherein, this testing circuit changes and is set as by a temperature/flow inductor, an operational amplifier and the single detection modular circuit that analogy to numerical digit A/D converter is formed, it can be suitable for when disposing the frozen water unit of multi-section in the ice water host computer air-conditioning system simultaneously, by quantity according to its required installation site, install respectively on cooling water pump in this ice water host computer air-conditioning system, CHP, each condenser, each evaporimeter, and on the cooling water inlet pipe and cooling water outlet pipe of each condenser, and on the frozen water water inlet pipe and frozen water outlet pipe of evaporimeter.
Wherein, the output of this each detection modular circuit all respectively is equipped with a wireless communication interface circuit, and all be linked on the computer servomechanism, and with all frozen water inflow temperatures in the ice water host computer air-conditioning system, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, the design standard temperature value and the design standard flow value of numerical value such as cooling water flow and frozen water flow, burning utilizes the keyboard of this computer servomechanism and display monitor central monitoring system can reach concentrated monitor management in the CPU (CPU) of this computer servomechanism more respectively.
The automated watch-keeping facility of a kind of ice water host computer air-conditioning system of the utility model special use, its advantage is: the data information that utilizes this device to detect to learn in the running all cooling waters and frozen water in the ice water host computer air-conditioning system effectively omnidistancely, at any time initiatively monitoring for engineering staff or Operation and Maintenance personnel, can judge whether to need to adjust the operating condition of each unit in this ice water host computer air-conditioning system, or change its correspondence that unusual bad unit part etc. is arranged and dispose, make it meet the operating condition of system's optimum efficiency, accomplish to save electric power energy, prolong the service life of air-conditioning, reduce maintenance cost, save physical resources and financial resources.
The utlity model has following accompanying drawing:
The schematic diagram of each machine configuration set in Fig. 1 ice water host computer air-conditioning system.
The circuit block diagram of Fig. 2 the utility model.
The first embodiment circuit diagram of Fig. 3 the utility model.
The display floater schematic diagram of display circuit among Fig. 4 the utility model first embodiment.
Another schematic diagram of display floater of display circuit among Fig. 5 the utility model first embodiment.
The second embodiment circuit diagram of Fig. 6 the utility model.
The 3rd embodiment circuit diagram of Fig. 7 the utility model.
The 4th embodiment circuit block diagram of Fig. 8 the utility model.
The 5th embodiment circuit block diagram of Fig. 9 the utility model.
Number in the figure is as follows:
1 frozen water unit, 11 condensers, 12 compressors
111 cooling water inlet pipes, 112 cooling water outlet pipes, 13 evaporimeters
131 frozen water water inlet pipes, 132 frozen water outlet pipes, 2 cooling towers
21 delivery ports, 22 water inlets, 22 23 fan motors
3 cooling water pumps, 4 CHPs, 5 air-conditioning boxs
51 coil pipes, 52 blower fans, 60 microprocessor circuits
70 parameter comparison circuits, 80 testing circuits 801 detect modular circuit
81 temperature/flow inductor 82 operational amplifier 83A/D converters
90 display circuits, 91 display floaters, 911 desired value display windows
912 measured value display windows, 913 difference value display windows, 914 options indicate field
100 voice informing circuit, 101 voice IC, 102 drive circuit of loudspeaker
103 loudspeaker, 200 data input circuit, 201 numerical keys
202 setting keys, 203 clear keys
300 wireless communication interface circuit, 301 local-area networks
400 computer servomechanisms (Server), 401 CPU
402 keyboards, 403 display monitor central monitoring system C frozen water pipes
W cooling water pipe V two-port valve or triple valve
Now be described in detail as follows for embodiment and cooperation diagram:
At first, see also shown in Figure 2, the automated watch-keeping facility of a kind of ice water host computer air-conditioning system of the utility model special use, it includes:
One microprocessor circuit 60, be to utilize microprocessor to constitute, its input joins with the output that parameter comparison circuit 70 and testing circuit 80 reach respectively, output then joins with the input of display circuit 90, in the whole ice water host computer air-conditioning system of master control, the center of the automated watch-keeping facility of all cooling waters, frozen water, evaporator refrigerant temperature and refrigerant condensation temperature running; It can be with in the ice water host computer air-conditioning system that is provided from this parameter comparison circuit 70, cooling water in all each units, frozen water, the design standard temperature value of evaporator refrigerant temperature and refrigerant condensation temperature or design standard flow value, in the ice water host computer air-conditioning system of coming self-detection circuit 80 to be exported, cooling water in all each units, frozen water, evaporator refrigerant temperature and refrigerant condensation temperature corresponding to detecting temperature value or the flow value learn in the real-world operation, carry out separately or after dividing other mutual comparison operation and producing its difference value, this difference value signal is exported in the display circuit 90;
One parameter comparison circuit 70, its signal output part joins with the input of microprocessor circuit 60 and the input of display circuit 90 respectively, and it provides the design standard temperature value or the design standard flow value of the interior cooling water of all each units, frozen water, evaporator refrigerant temperature and refrigerant condensation temperature in the ice water host computer air-conditioning system;
One testing circuit 80, its signal output part joins with the input of microprocessor circuit 60 and the input of display circuit 90 respectively, in order to detect in this ice water host computer air-conditioning system temperature value or the flow value in all cooling waters, frozen water, evaporator refrigerant temperature and the real-world operation of refrigerant condensation temperature in each unit; And
One display circuit 90, its signal input part respectively with microprocessor circuit 60, the output of parameter comparison circuit 70 and testing circuit 80 joins, can show to come the cooling water of all each units in the ice water host computer air-conditioning system of autoregressive parameter comparison circuit 70 respectively, frozen water, the design standard temperature value of evaporator refrigerant temperature and refrigerant condensation temperature and design standard flow value, or interior all cooling waters of each unit in the ice water host computer air-conditioning system of testing circuit 80, frozen water, temperature value or flow value in evaporator refrigerant temperature and the real-world operation of refrigerant condensation temperature, and the difference value that is relatively drawn through microprocessor circuit 60, to monitor the usefulness of reference at any time as engineering staff or maintenance operation personnel.
The continuous Fig. 1 that sees also, Fig. 3 and shown in Figure 4, be the utility model first embodiment circuit diagram, this microprocessor circuit 60 is all cooling waters in the whole ice water host computer air-conditioning system of master control, frozen water, the center of evaporator refrigerant temperature and the running of refrigerant condensation temperature automated watch-keeping facility, be to utilize microprocessor to constitute, generally can utilize the microprocessor of universal or tailored version to constitute, present embodiment is to utilize chip microprocessors, for example 8051,8052 etc., the I/O of the chip microprocessors of this type, memory bodys etc. all utilize single-chip to constitute, and burning has the required functional software of whole data computation in this microprocessor circuit 60, and the software of pump similarity law formula and first law of thermodynamics formula; Burnings have in the ice water host computer air-conditioning system of standard rated condition the design standard temperature value or the design standard flow value of cooling water and frozen water in all each units in this parameter comparison circuit 70, numerical value such as frozen water inflow temperature, frozen water leaving water temperature, cold in-water temperature, cooling water leaving water temperature for example, and burning has numerical value such as frozen water unit 1 required standard evaporator refrigerant temperature, refrigerant condensation temperature, or numerical value such as the required cooling water flow of cooling water pump 3, CHP 4 and frozen water flow; This testing circuit 80 is by several temperature/flow inductors 81, one operational amplifier 82 and an analogy to numerical digit A/D converter 83 is formed, wherein, these several temperature/flow inductors 81, respectively by the cooling water pump 3 of device in the ice water host computer air-conditioning system, CHP 4, condenser 11, on the evaporimeter 13, and on the cooling water inlet pipe 111 and cooling water outlet pipe 112 of condenser 11, and on the frozen water water inlet pipe 131 of evaporimeter 13 and the frozen water outlet pipe 132 (as shown in Figure 1), in order to detect the frozen water inflow temperature in all each unit real-world operation states in the ice water host computer air-conditioning system respectively at any time, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, data values such as cooling water flow and frozen water flow; This display circuit 90 is a LED or LCD display circuit, its data pin 001-004, activation pin-E, read/write pin RS system is connected to the pin GD9-GD12 of microprocessor circuit 60, pin GD7, pin GD8, pin CS with parameter comparison circuit 70, SK, D1, the pin DB1-DB6 of D2 and testing circuit 80, be stored in all frozen water inflow temperatures in the ice water host computer air-conditioning system in microprocessor circuit 60 and parameter comparison circuit 70 and the testing circuit 80 in order to demonstration, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, data values such as cooling water flow and frozen water flow, and on its display floater 91, be respectively arranged with a desired value display window 911, one measured value display window 912, one difference value display window 913, several options indicate field 914, an and option key 915 (as shown in Figure 4), the usefulness that option of operation is provided in the time of can providing engineering staff or maintenance operation personnel to monitor at any time, wherein, this desired value display window 911 is in order to show to come in the autoregressive parameter comparison circuit 70, the frozen water inflow temperature of all each units, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, the design standard temperature value and the design standard flow value of cooling water flow and frozen water flow etc., this measured value display window 912 is in order to show to come in the self-detection circuit 80 all frozen water inflow temperatures in each unit, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, temperature value or flow value in the real-world operations such as cooling water flow and frozen water flow, 913 of this difference value display windows are in order to show from microprocessor circuit 60 difference value that draws each temperature value or flow value of comparing, these several options indicate on fields 914 respectively row be equipped with as the frozen water inflow temperature (℃), the frozen water leaving water temperature (℃), cold in-water temperature (℃), the cooling water leaving water temperature (℃), evaporator refrigerant temperature (℃), the refrigerant condensation temperature (℃), the sign field of cooling water flow (M3/hr) and frozen water flow (M3/hr) etc., and in this each indicates the other warning lamp 914a that all is equipped with of field.
As Fig. 1, Fig. 3 and shown in Figure 4, after the utility model was finished on the position that is installed on each unit in the ice water host computer air-conditioning system, details are as follows for its mode of operation, start and effect:
One, when if engineering staff or maintenance operation personnel desire monitor cooling water flow, can be from the display floater 91 of display circuit 90, pushing option key 915 selects the option of this cooling water flow to indicate field 914, temperature/the flow inductor 81 in the testing circuit 80 then, be about to the cooling water flow value anaiog signal of institute detection cooling water pump 3 Hous, transfer to analogy to numerical digit A/D converter 83 via operational amplifier 82, notify this analogy to numerical digit A/D converter 83, this analogy signal is converted to the numerical digit signal and exports microprocessor circuit 60 and display circuit 90 simultaneously to, and this microprocessor circuit 60 carries out computing relatively with the design standard cooling water flow value that comes cooling water pump 3 in the autoregressive parameter comparison circuit 70 immediately, and output one cooling water flow difference value, this moment can be from the desired value display window 911 of this display floater 91, on measured value display window 912 and the difference value display window 913, monitor simultaneously and learn the cooling water flow desired value respectively, cooling water flow measured value and cooling water flow difference value, at this moment, according to pump similarity law formula: the rotating speed of the in fact corresponding required former design object of rotating speed/cooling water pump of flow measured value/flow target value=cooling water pump, it is less to calculate the in fact corresponding required rotating speed of this cooling water pump 3 (rpm) value, engineering staff or maintenance operation personnel are the adjustable rotating speed of this cooling water pump 3 slowly, to meeting its in fact corresponding required rotating speed, then the electric power that consumed of this adjusted cooling water pump 3 is more economized before can adjusting, so can reach the effect that reduces electricity charge expenditure, and the meaningless power consumption power consumption disappearance that cooling water pump 3 is done following of this kind operating condition is commonly used in solution fully always.
Two, in every day, reached when setting value (for example 25 ℃ or 26 ℃ etc.) when indoor cold-room temperature, the two-port valve or the triple valve V that go up because of frozen water pipe C before the air-conditioning box 5 can be turned down automatically, make the frozen water amount that has more to be back to again in the evaporimeter 13 via this two-port valve or triple valve V, at this moment, engineering staff or maintenance operation personnel can be from the display floaters 91 of display circuit 90, pushing option key 915 selects the option of this frozen water flow to indicate field 914, temperature/the flow inductor 81 in the testing circuit 80 then, can be with the frozen water flow value anaiog signal behind the detection CHP 4, transfer to analogy to numerical digit A/D converter 83 via operational amplifier 82, notify this analogy to numerical digit A/D converter 83, this analogy signal is converted to the numerical digit signal and exports microprocessor circuit 60 and display circuit 90 simultaneously to, and this microprocessor circuit 60 immediately can be respectively and the design standard frozen water flow value that comes CHP 4 in the autoregressive parameter comparison circuit 70, and the frozen water leaving water temperature standard value of coming flash-pot 13 frozen water outlet pipes 132 is (when adjusting the flow size of frozen water, must take into account the temperature of frozen water simultaneously, can not be for the frozen water flow be turned down, but causing the frozen water temperature to improve to cause the result of cold-room heat exchanger effectiveness reductions on the contrary) three carries out mutual computing comparison, and output one frozen water flow difference value, this moment can be from the desired value display window 911 of this display floater 91, on measured value display window 912 and the difference value display window 913, monitor simultaneously and learn the frozen water flow target value respectively, frozen water flow measured value and frozen water flow difference value, again according to the difference value of this frozen water flow (it is identical that the frozen water temperature keeps), transfer the work done of the rotating speed or the minimizing compressor 12 of slow CHP 4, when meeting this frozen water flow target value and frozen water leaving water temperature standard value simultaneously, cold medium flux is reduced, and this CHP 4 and compressor 12 also can reduce work done and consumes power relatively thereupon, and these electricity charge partly can be saved immediately; When indoor temperature raises once again, again the volume controlled valve of compressor 12 is opened greatly, can recover the supply of more corresponding demand air conditioning quantity.
Three, about other operating procedure and patterns as options such as frozen water inflow temperature, frozen water leaving water temperature, cold in-water temperature, cooling water leaving water temperature, evaporator refrigerant temperature, refrigerant condensation temperatures, all, simply repeat no more with above-mentioned first and second is identical.In addition, the standard rated condition that is provided learns, this cold in-water temperature be 35 ℃, cooling water leaving water temperature be 30 ℃ and frozen water inlet temperature be 12 ℃, when the frozen water outlet temperature is 7 ℃, cooling capacity the best of its ice water host computer air-conditioning system; So in ice water host computer air-conditioning system operating condition process, when going to monitor actual detected values such as aforementioned frozen water inflow temperature, frozen water leaving water temperature, cold in-water temperature, cooling water leaving water temperature, evaporator refrigerant temperature and refrigerant condensation temperature respectively, can be compared respectively with this standard rated condition value, and gained result and its corresponding countermeasure of taking are given division following (set temperature value of all supposing its indoor temperature in following explanation is 25 ℃) again:
1. when the measured value of frozen water leaving water temperature during greater than 7 ℃, its result represent following several may;
1-a. detecting indoor temperature in cooperation also is the situation that is in greater than 25 ℃, represents that then the temperature at indoor scene does not reach its default temperature value (for example 25 ℃) as yet, this belongs to normal conditions can ignore, and only must continue to keep supervision to get final product.
1-b. after continuing to monitor, indoor temperature is still the situation that is in greater than 25 ℃, but when the frozen water leaving water temperature equals 7 ℃, coil pipe 51 heat exchanger effectiveness of then representing air-conditioning box 5 are not good, tackle to be improved after this coil pipe 51 is done cleaning or cleaning treatment, do not have and the power consumption situation takes place and disappearance generation that operating personnel still do not know.
1-c. again via after in the preceding 1-b item this coil pipe 51 being done cleaning or clean disposing, if this frozen water leaving water temperature but still equals 7 ℃, and indoor temperature is still the situation that is in greater than 25 ℃, then representing to exist in each unit of ice water system front end has unusually, as for this is that some that belongs in the unit unusually, can cooperate again to give again after the data of monitoring other every heat exchange mediums cooperating and handle, can be improved and stop its improper power consumption to take place simultaneously.
2. when the measured value of frozen water leaving water temperature during less than 7 ℃, the expression indoor temperature has arrived 25 ℃, its result represents that indoor scene no longer needs and previous cold air with amount, then following three kinds of processing modes are optional one kind ofly can to satisfy aforementioned situation condition, and that can reach energy saving simultaneously again doublely becomes effect;
2-a. the raising evaporator refrigerant temperature, the cold medium flux valve that is about to compressor 12 turns down, and then the acting of compressor 12 reduces and power saving immediately.
2-b. reduce the ice water circulation amount simultaneously and slightly improve evaporator refrigerant temperature, then CHP 4 and compressor 12 all can reduce work done and power saving immediately.
2-c. reduce the ice water circulation amount, adjust the rotating speed that reduces CHP 4, then CHP 4 can reduce work done and power saving immediately.
3. when the measured value of frozen water inflow temperature during greater than 12 ℃, its result represent following several may;
3-a. detecting indoor temperature in cooperation also is the situation that is in greater than 25 ℃, represents that then the temperature at indoor scene does not reach its default temperature value (for example 25 ℃) as yet, this belongs to normal conditions can ignore, and only must continue to keep supervision to get final product.
3-b. after continuing to monitor, indoor temperature is still the situation that is in greater than 25 ℃, but when the frozen water leaving water temperature equals 12 ℃, coil pipe 51 heat exchanger effectiveness of then representing air-conditioning box 5 are not good, tackle to be improved after this coil pipe 51 is done cleaning or cleaning treatment, the disappearance generation that power consumption situation operator page or leaf is not still known does not take place and have.
3-c. after via preceding 3-b item this coil pipe 51 being done cleaning or is cleaned disposal again, if this frozen water leaving water temperature but still equals 12 ℃, and indoor temperature is still the situation that is in greater than 25 ℃, then representing to exist in each unit of ice water system front end has unusually, as for this is that some that belongs in the unit unusually, handled again after can cooperating the data of monitoring other every heat exchange mediums again, can be improved and stop its improper power consumption to take place simultaneously.
4. when the measured value of frozen water inflow temperature during less than 12 ℃, the expression indoor temperature has arrived 25 ℃, its result represents that indoor scene no longer needs and the previous cold air with amount, then following three kinds of processing modes are optional one kind ofly can to satisfy aforementioned situation condition, and that can reach energy saving simultaneously again doublely becomes effect;
4-a. the raising evaporator refrigerant temperature, the cold medium flux valve that is about to compressor 12 turns down, and then the acting of compressor 12 reduces and power saving immediately.
4-b. reduce the ice water circulation amount simultaneously and slightly improve evaporator refrigerant temperature, then CHP 4 and compressor 12 all can reduce work done and power saving immediately.
4-c. reduce the ice water circulation amount, adjust the rotating speed that reduces CHP 4, then CHP 4 can reduce work done and power saving immediately.
5. when the measured value of cooling water leaving water temperature during greater than 35 ℃, represent that then cooling water temperature is too high, that is the radiating efficiency of cooling tower 2 is not good, also can cause simultaneously more power consumption of frozen water unit 1, at this moment, should check immediately whether driving belt gets loose in the fan motor 23 of cooling tower 2, or whether the air inlet net of cooling tower 2 has by the situations such as phenomenon of foreign matter obstruction, if can in time get rid of aforementioned abnormal factors, can not increase the power consumption of this abnormal factors, relatively also can save the expenditure of its electricity charge.
6. when the measured value of cooling water leaving water temperature during less than 35 ℃, represent that then the radiating efficiency of cooling tower 2 is good, it is in the operating condition of economizing energy most, can do corresponding comprehending.
7. when the measured value of cold in-water temperature during greater than 30 ℃, represent that then cooling water temperature is too high, that is the radiating efficiency of cooling tower 2 is not good, also can cause simultaneously more power consumption of frozen water unit 1, at this moment, should check immediately whether driving belt gets loose in the fan motor 23 of cooling tower 2, or whether the air inlet net of cooling tower 2 has by the situations such as phenomenon of foreign matter obstruction, if can in time get rid of aforementioned abnormal factors, can not increase the power consumption of this abnormal factors, relatively also can save the expenditure of its electricity charge.
8. when the measured value of cold in-water temperature during less than 30 ℃, represent that then the radiating efficiency of cooling tower 2 is good, it is in the operating condition of economizing energy most, can do corresponding comprehending.
9. be familiar with the refrigerating and air conditioning operator and know that all evaporator refrigerant temperature must be lower than frozen water leaving water temperature, and the refrigerant condensation temperature must be than cooling water leaving water temperature height, so generally hanging down 2 ℃ with evaporator refrigerant temperature than frozen water leaving water temperature is the condition of setting, and the refrigerant condensation temperature is the condition of setting for higher 2 ℃ than cooling water leaving water temperature, then deciding its evaporator refrigerant temperature is 5 ℃, and fixed its refrigerant condensation temperature is 37 ℃; When the measured value of evaporator refrigerant temperature during greater than 5 ℃, then represent the still situation of 25 ℃ of no shows of indoor temperature, can ignore this moment.
10. when the measured value of evaporator refrigerant temperature during less than 5 ℃, represent that then frozen water unit 1 ties up to the state running down of comparatively power consumption, the possible cause of its formation has: coolant quantity has leakage and causes deficiency, or refrigerant has phenomenon of mixing mutually etc. with refrigeration oil, so should check immediately and be got rid of, in order to avoid continue power consumption.
11. when the measured value of refrigerant condensation temperature during greater than 37 ℃, represent that then cooling water temperature is too high, that is the radiating efficiency of cooling tower 2 is not good, also can cause simultaneously more power consumption of frozen water unit 1, at this moment, should check immediately whether driving belt gets loose in the fan motor 23 of cooling tower 2, or whether the air inlet net of cooling tower 2 has by the situations such as phenomenon of foreign matter obstruction, if can in time get rid of aforementioned abnormal factors, can not increase the power consumption of this abnormal factors, relatively also can save the expenditure of its electricity charge.
12. when the measured value of refrigerant condensation temperature during less than 37 ℃, represent that then the radiating efficiency of cooling tower 2 is good, it is in the operating condition of economizing energy most, can do corresponding comprehending.
Four. in turning round smoothly at ordinary times, if when finding to have the cooling water leaving water temperature identical with cold in-water temperature via supervision, can in time watch the fan motor 23 of cooling tower 2, know it is after being closed when maintaining cooling tower 2 because of previous cleaning, cause and forgotten to open institute more again, the correction that then can give to open once again immediately in the very first time is disposed, both can avoid cooling tower 2 each parts not to be damaged, can prevent power consumption improperly loss again, so similar this no longer takes place because of great disappearance that human negligence caused can thereby be excluded fully and guarantee.
In addition, see also shown in Figure 6, second embodiment of circuit in the utility model, it comprises that one is arranged in the voice informing circuit 100 on this microprocessor circuit 60, this voice informing circuit 100 is made up of voice IC101, drive circuit of loudspeaker 102 and loudspeaker 103, stores the voice or the alarm sound of informing in these voice ICi01; All frozen water inflow temperatures in each unit in the ice water host computer air-conditioning system, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, cooling water flow and frozen water flow etc., in operation process, its measured value and desired value are carried out the difference value result that the computing comparison is produced from microprocessor circuit 60, when meeting the various as described above unusual condition of generation, voice or alarm sound that this drive circuit of loudspeaker 102 can initiatively store voice IC101 immediately, play engineering staff or the maintenance operation personnel of informing from loudspeaker 103 outputs, make its energy proactive notification and remind this project personnel or maintenance operation personnel, make the eliminating of carrying out corresponding unusual condition in time.
Again, as shown in Figure 7, the 3rd embodiment of circuit in the utility model, it comprises that one is arranged in the data input circuit 200 on this microprocessor circuit 60, this data input circuit 200 is to comprise one to have 0 to 9 numerical key 201, one sets (SET) key 202 and removes (CLEAR) key 203, by this numerical key 201, being used of setting key 202 and clear key 203, can set the frozen water inflow temperature of each unit in the input ice water host computer air-conditioning system for change at any time, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, the design standard temperature value and the design standard flow value of cooling water flow and frozen water flow etc. can make the utility model can be applicable to fully on the unit in the ice water host computer air-conditioning system of various different sizes.
See also shown in Figure 5 again, in the utility model first embodiment on the display floater 91 of display circuit 90, have additional a formula function form 916, it cooperates the numerical key 201 of data input circuit 200 in the microprocessor circuit 60 to operate, detected cooling water or the frozen water actual flow value of self-detection circuit 80 in the future, calculate in the pump similarity law formula of input burning in microprocessor circuit 60, can be by in this formula function form 916, learn its best tachometer value of economizing energy under operating condition instantly of cooling water pump 3 or CHP 4 at once, make the maintenance operation personnel can adjust the rotating speed of this cooling water pump 3 or CHP 4 and meet the economize on electricity effect.
Continuous see also shown in Figure 8, the 4th embodiment of circuit in the utility model, it in testing circuit 80, parameter comparison circuit 70, microprocessor circuit 60 and display circuit 90 respectively each other, all set up with a wireless communication interface circuit 300 (for example RS485 communication interface circuit) or use local-area network (Intranet) 301, come both-way communication transmission, in order to saving man-hour and the cost that circuit is installed as all numerical digit signals.
See also shown in Figure 9 again, the 5th embodiment of circuit in the utility model, its testing circuit 80 changed be set as by a temperature/flow inductor 81, an operational amplifier 82 and the single detection modular circuit 801 that analogy to numerical digit A/D converter 83 is formed, it can be suitable for when disposing the frozen water unit 1 of multi-section in the ice water host computer air-conditioning system simultaneously, by quantity according to its required installation site, install the cooling water pump 3 in this ice water host computer air-conditioning system respectively, CHP 4, each condenser 11, on each evaporimeter 13, and on the cooling water inlet pipe 111 and cooling water outlet pipe 112 of each condenser 11, and on the frozen water water inlet pipe 131 and frozen water outlet pipe 132 of evaporimeter 13, and the output of this each detection modular circuit 801 all respectively is equipped with a wireless communication interface circuit 300, and all be linked on the computer servomechanism 400, again with all frozen water inflow temperatures in the ice water host computer air-conditioning system, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, the design standard temperature value and the design standard flow value of numerical value such as cooling water flow and frozen water flow, respectively burning is among computer servomechanism 400 in the Central Processing Unit (CPU) 401, utilize the keyboard 402 and the display monitor central monitoring system 403 of this computer servomechanism 400 can reach concentrated monitor management again, make engineering staff or Operation and Maintenance personnel can reach simultaneously omnidistance the detection and learn the cooling water that respectively runs on all frozen water units 1 in the ice water host computer air-conditioning system and the numerical value information of frozen water.
To sum up institute is old, the utility model is learnt interior all frozen water inflow temperatures of ice water host computer air-conditioning system in the running because of can omnidistancely effectively detecting, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, the numerical value information of real actual temperature value such as cooling water flow and frozen water flow or flow value, after for engineering staff or the initiatively supervision at any time of Operation and Maintenance personnel row, whether can in time learn has unusual generation, and interpretation immediately goes out the operating condition of each unit in this ice water host computer air-conditioning system that whether needs to adjust, or change the correspondence disposal that unusual bad unit part etc. is arranged, make it meet the operating condition of system's optimum efficiency, decapacitation is reached outside the purpose of energy saving, more can avoid the meaningless power consumption of unit that causes because of human negligence fully.
Claims (15)
1. the automated watch-keeping facility of ice water host computer air-conditioning system special use, it is characterized in that: this device includes:
One microprocessor circuit, utilize microprocessor to constitute, its input joins with the output of parameter comparison circuit and testing circuit respectively, output then joins with the input of display circuit, in the whole central air conditioner system of master control, the center of the automated watch-keeping facility of all cooling waters, frozen water, evaporator refrigerant temperature and refrigerant condensation temperature running;
One parameter comparison circuit, its signal output part joins with the input of microprocessor circuit and the input of display circuit respectively, and the design standard temperature value or the design standard flow value of the interior cooling water of all each units, frozen water, evaporator refrigerant temperature and refrigerant condensation temperature in the central air conditioner system is provided;
One testing circuit, its signal output part joins with the input of microprocessor circuit and the input of display circuit respectively, in order to detect in this ice water host computer air-conditioning system temperature value or the flow value in all cooling waters, frozen water, evaporator refrigerant temperature and the real-world operation of refrigerant condensation temperature in each unit; And
One display circuit, its signal input part respectively with microprocessor circuit, the output of parameter comparison circuit and testing circuit joins, can show to come the cooling water of all each units in the ice water host computer air-conditioning system of autoregressive parameter comparison circuit respectively, frozen water, the design standard temperature value of evaporator refrigerant temperature and refrigerant condensation temperature and design standard flow value, or interior all cooling waters of each unit in the ice water host computer air-conditioning system of testing circuit, frozen water, temperature value or flow value in evaporator refrigerant temperature and the real-world operation of refrigerant condensation temperature, and compare the difference value that draws through microprocessor circuit, with as monitoring at any time with reference to using.
2. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use is characterized in that: wherein, this microprocessor circuit is the microprocessor of universal or tailored version.
3. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use is characterized in that: wherein, this microprocessor circuit is 8051,8052 single chip microprocessor.
4. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use, it is characterized in that: wherein, burning has ice water host computer air-conditioning system standard rated condition value in this parameter comparison circuit, as the design standard temperature parameter value of frozen water inflow temperature, frozen water leaving water temperature, cold in-water temperature and cooling water leaving water temperature.
5. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use, it is characterized in that: wherein, this testing circuit is made up of several temperature/flow inductors, an operational amplifier and an analogy to numerical digit A/D converter, wherein, these several temperature/flow inductors, respectively by the exit of cooling water pump, the CHP of device in central air conditioner system, condenser, evaporimeter, or on the cooling water inlet pipe and cooling water outlet pipe of condenser, or on the frozen water water inlet pipe and frozen water outlet pipe of freezing water apparatus.
6. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use, it is characterized in that: wherein, this display circuit is a LED or LCD display circuit, its data pin, activation pin-E, read/write pin RS are connected to the pin of microprocessor circuit, with the pin of parameter comparison circuit and the pin of testing circuit, and on its display floater, be respectively arranged with a desired value display window, a measured value display window, a difference value display window, several options sign field and option keys.
7. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 6 special use is characterized in that: wherein, each option indicates the other warning lamp that all is equipped with of field in the display floater of this display circuit.
8. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use, it is characterized in that: it comprises that one is arranged in the voice informing circuit on this microprocessor circuit, and this voice informing circuit is made up of voice IC, drive circuit of loudspeaker and loudspeaker.
9. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 8 special use is characterized in that: wherein, store the voice or the alarm sound of informing in these voice IC.
10. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use, it is characterized in that: it comprises that one is arranged in the data input circuit on this microprocessor circuit, and this data input circuit system comprises one and has 0 to 9 numerical key, a setting key and a clear key.
11. the automated watch-keeping facility according to claim 1 or 6 or 9 described a kind of ice water host computer air-conditioning system special uses is characterized in that: wherein, on the display floater of this display circuit, have additional a formula function form.
12. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 1 special use, it is characterized in that: wherein, this testing circuit, parameter comparison circuit, microprocessor circuit and display circuit are set up a wireless communication interface circuit respectively each other.
13. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 12 special use is characterized in that: wherein, this wireless communication interface circuit is the RS485 communication interface circuit.
14. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 5 special use, it is characterized in that: wherein, this testing circuit is by a temperature/flow inductor, an operational amplifier and the single detection modular circuit that analogy to numerical digit A/D converter is formed, it can be suitable for when disposing the frozen water unit of multi-section in the ice water host computer air-conditioning system simultaneously, by quantity according to its required installation site, install the cooling water pump in this ice water host computer air-conditioning system respectively, CHP, each condenser, on each evaporimeter, and on the cooling water inlet pipe and cooling water outlet pipe of each condenser, and on the frozen water water inlet pipe and frozen water outlet pipe of evaporimeter.
15. the automated watch-keeping facility of a kind of ice water host computer air-conditioning system according to claim 14 special use, it is characterized in that: wherein, the output of this each detection modular circuit all respectively is equipped with a wireless communication interface circuit, and all be linked on the computer servomechanism, and with all frozen water inflow temperatures in the ice water host computer air-conditioning system, the frozen water leaving water temperature, cold in-water temperature, the cooling water leaving water temperature, evaporator refrigerant temperature, the refrigerant condensation temperature, the design standard temperature value and the design standard flow value of numerical value such as cooling water flow and frozen water flow, burning utilizes the keyboard of this computer servomechanism and display monitor central monitoring system can reach concentrated monitor management in the CPU of this computer servomechanism more respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233516 CN2505754Y (en) | 2001-08-17 | 2001-08-17 | Automatic monitoring device for ice water main machine air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01233516 CN2505754Y (en) | 2001-08-17 | 2001-08-17 | Automatic monitoring device for ice water main machine air conditioning system |
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| CN2505754Y true CN2505754Y (en) | 2002-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01233516 Expired - Fee Related CN2505754Y (en) | 2001-08-17 | 2001-08-17 | Automatic monitoring device for ice water main machine air conditioning system |
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| CN (1) | CN2505754Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279694A (en) * | 2013-07-11 | 2015-01-14 | 盟立自动化股份有限公司 | Integrated air conditioner and refrigerant control energy-saving device and control method thereof |
| CN107726546A (en) * | 2017-10-11 | 2018-02-23 | 武汉鸿图节能技术有限公司 | The central air-conditioning intelligence system and its control method of unmanned operation |
| CN110686364A (en) * | 2019-10-18 | 2020-01-14 | 广东美的暖通设备有限公司 | Air conditioner control method and device and computer readable storage medium |
| TWI795279B (en) * | 2022-04-27 | 2023-03-01 | 中國鋼鐵股份有限公司 | A method for regulating and controlling energy-saving operation of a chiller machine |
-
2001
- 2001-08-17 CN CN 01233516 patent/CN2505754Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104279694A (en) * | 2013-07-11 | 2015-01-14 | 盟立自动化股份有限公司 | Integrated air conditioner and refrigerant control energy-saving device and control method thereof |
| CN107726546A (en) * | 2017-10-11 | 2018-02-23 | 武汉鸿图节能技术有限公司 | The central air-conditioning intelligence system and its control method of unmanned operation |
| CN107726546B (en) * | 2017-10-11 | 2019-10-01 | 武汉鸿图节能环保集团有限公司 | The central air-conditioning intelligence system and its control method of unmanned operation |
| CN110686364A (en) * | 2019-10-18 | 2020-01-14 | 广东美的暖通设备有限公司 | Air conditioner control method and device and computer readable storage medium |
| TWI795279B (en) * | 2022-04-27 | 2023-03-01 | 中國鋼鐵股份有限公司 | A method for regulating and controlling energy-saving operation of a chiller machine |
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