CN101691959B - Governing system for constant temperature and constant humidity and integral constant temperature and humidity machine - Google Patents

Governing system for constant temperature and constant humidity and integral constant temperature and humidity machine Download PDF

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Publication number
CN101691959B
CN101691959B CN200910143726XA CN200910143726A CN101691959B CN 101691959 B CN101691959 B CN 101691959B CN 200910143726X A CN200910143726X A CN 200910143726XA CN 200910143726 A CN200910143726 A CN 200910143726A CN 101691959 B CN101691959 B CN 101691959B
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China
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temperature
heat exchanger
humidity
indoor
signal
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CN200910143726XA
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Chinese (zh)
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CN101691959A (en
Inventor
成中坚
胡轩恒
王赛
谢敏生
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广东志高空调有限公司
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Abstract

The invention discloses a governing system for constant temperature and constant humidity, comprising a compressor, a first heat exchanger, a throttling device, a second heat exchanger, a third heat exchanger, an indoor air flue, an outdoor air flue, a wetting device, a four-way reversing valve, a first proportional valve and a second proportional valve, wherein the compressor, the first heat exchanger, the throttling device and the second heat exchanger are connected in series to form a circulation loop; the third heat exchanger is connected with the second heat exchanger in parallel; the indoor air flue is provided with an indoor fan, the first heat exchanger and the heat exchanger; the outdoor air flue is provided with an outdoor fan and the third heat exchanger; the wetting path of the wetting device is communicated with the indoor air flue; the first port of the four-way reversing valve is connected with the air suction port of the compressor, the second port is connected with the first heat exchanger, the third port is connected with the exhaust port of the compressor, and the four port is connected with the node of the second heat exchanger and the third heat exchanger; and the first proportional valve and the second proportional valve are respectively installed on a refrigerant pipeline on which the second heat exchanger and the third heat exchanger are arranged. The invention can enlarge the temperature adjusting range when a complete machine operates and avoid the temperature adjusting dead zone. The invention also provides an integral constant temperature and humidity machine.

Description

The regulating system of constant temperature and humidity and integral type constant-temperature and constant-humidity machine
Technical field
The present invention relates to have compression machine, device or the system of Reversible Cycle, is a kind of regulating system and integral type constant-temperature and constant-humidity machine of constant temperature and humidity specifically.
Background technology
Mostly the family expenses monoblock type dehumidifier of selling in the market is common heating type; Its indoor wind pushing temperature is higher than operating ambient temperature; Particularly under hot and humid state, move many removing under the wet environment, too high wind pushing temperature tends to bring discomfort to the user; Simultaneously, common monoblock type dehumidifier only has dehumidification function, dehumidifies simply and can't carry out effective humidity regulation to place environment, place.In order to reach the requirement of specific environment, place to specified temp, humidity, satisfy the needs of human comfort better, be necessary to realize adjustable control that constant temperature and humidity machine arises thus to temperature, humidity.
But comparatively ripe at present constant temperature and humidity machine product is structurally mostly is that the constant temperature and humidity unit is used in split type (on the basis of indoor condenser, the outdoor condenser that adds air-cooled or water-cooled) large scale industry.The indoor set volume size of this series products is generally about 950mm * 450mm * 1800mm; The off-premises station volume size is about 900mm * 400mm * 1100mm; Shortcomings such as ubiquity that equipment volume is big, difficult installation, cost are comparatively high are not suitable for the environment that family room, laboratory, hospital nurse the comparatively narrow and small and inconvenient installation split units in space such as ward, archive office, precision instrument room especially.
Especially, there is big defective in the design of the system of traditional constant temperature and humidity machine product aspect the control mode of pattern conversion.Particularly; Its simple mode that adopts reversal valve to switch series connection bypass connected mode or open and close type magnetic valve switching parallel connection; Attach stepless electrical machinery rotating speed (outdoor additional air-cooled condenser) or import and export discharge (outdoor additional water-cooled condenser) simultaneously, regulate the condensation heat of indoor condenser in series or in parallel with each other and outdoor condenser thus and distribute to adjust outdoor condenser.This control mode; Because of outdoor condenser heat exchange air quantity or discharge not obvious to the impact effect of the condensation heat of distributor chamber inner condenser and outdoor condenser; And making machine set system under the temperature adjustment state, can't reach a certain interval temperature of design temperature scope, this interval temperature is called " the temperature adjustment blind area " of system.If the temperature that setting needs just in time is in " the temperature adjustment blind area " of system, certainly will cause the frequent transitions of unit operation, room temperature also can produce very big fluctuation thereupon.
Summary of the invention
The object of the invention is, a kind of regulating system of constant temperature and humidity is provided, and can enlarge the thermoregulation range of machine system when operation, has avoided the appearance of " temperature adjustment blind area ".On this basis, the present invention also provides a kind of integral type constant-temperature and constant-humidity machine, and its system architecture is simple, convenient for installation and maintenance.
For solving above technical problem, the regulating system of constant temperature and humidity provided by the invention comprises: compressor, first heat exchanger, throttling arrangement, second heat exchanger, and series connection constitutes closed circuit; The 3rd heat exchanger, parallelly connected with said second heat exchanger; Indoor air channel is equipped with indoor fan and said first heat exchanger, second heat exchanger; Outdoor air channel is equipped with outdoor fan and said the 3rd heat exchanger; Damping device adds wet channel and is communicated with said indoor air channel; It is characterized in that, also comprise:
Four-way change-over valve, first port connects the air entry of said compressor, and second port connects said first heat exchanger, and the 3rd port connects the exhaust outlet of said compressor, and the 4th port connects the node of said second heat exchanger and said the 3rd heat exchanger;
First proportioning valve, second proportioning valve are installed in respectively on the refrigerant line at said second heat exchanger, the 3rd heat exchanger place;
Said four-way change-over valve is a magnetic valve, and said first proportioning valve, second proportioning valve are respectively the electronics two-way control valve;
Also comprise:
Temperature sensor, humidity sensor are arranged at the return air inlet in said indoor air channel respectively, are used for detecting and output indoor temperature signal, indoor humidity signal;
Controller is used to receive said indoor temperature signal, indoor humidity signal, and compares with target temperature, target humidity, according to the expectant control strategy, exports the control signal of said four-way change-over valve, first proportioning valve, second proportioning valve, damping device;
In indoor temperature greater than the interval upper limit of the fine setting of target temperature and indoor humidity during greater than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device shutdown signal of output four-way change-over valve shutdown signal, zero aperture;
In indoor temperature less than the interval lower limit of the fine setting of target temperature and indoor humidity during greater than target humidity, the first proportional valve control signal of output four-way change-over valve shutdown signal, full gate, the second proportional valve control signal, the damping device shutdown signal of zero aperture;
Fine setting interval and the indoor humidity that is positioned at target temperature in indoor temperature is during greater than target humidity; Output four-way change-over valve shutdown signal, the first proportional valve control signal of half-open degree, the second proportional valve control signal of half-open degree, damping device shutdown signal; Wherein, the aperture of the first proportional valve control signal and the second proportional valve control signal is adjusted to the percentage complementarity;
In indoor temperature greater than the interval upper limit of the fine setting of target temperature and indoor humidity during less than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device start signal of output four-way change-over valve shutdown signal, zero aperture;
In indoor temperature less than the interval lower limit of the fine setting of target temperature and indoor humidity during less than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device start signal of output four-way change-over valve start signal, zero aperture;
Fine setting interval and the indoor humidity that is positioned at target temperature in indoor temperature is during less than target humidity: when indoor temperature during greater than target temperature; Output four-way change-over valve shutdown signal, the first proportional valve control signal of half-open degree, the second proportional valve control signal of half-open degree, damping device start signal; Wherein, the aperture of the first proportional valve control signal and the second proportional valve control signal is adjusted to the percentage complementarity; When indoor temperature during less than target temperature, output four-way change-over valve start signal, first control signal of half-open degree, the second proportional valve control signal of half-open degree, damping device start signal; Wherein, the aperture of the first proportional valve control signal and the second proportional valve control signal is adjusted to the percentage complementarity.
Preferably, the said controller control that also defrosts; When system runs on refrigerating state, said controller output four-way change-over valve start signal; Run on when heating state said controller output four-way change-over valve shutdown signal in system.
Integral type constant-temperature and constant-humidity machine provided by the invention comprises the regulating system of the constant temperature and humidity on the aforementioned basis.
Preferably, comprising:
Superstructure is equipped with median septum and said first heat exchanger, second heat exchanger, indoor fan; Said median septum is provided with the watering groove, and said first heat exchanger, second heat exchanger, indoor fan are arranged side by side above said median septum;
Understructure is equipped with chassis, catch basin and said the 3rd heat exchanger, outdoor fan, compressor, damping device; Said catch basin is fixed in a side on said chassis, and said compressor is fixed in the opposite side on said chassis; Said the 3rd heat exchanger, outdoor fan, damping device are set in turn in the top of said catch basin, and said the 3rd heat exchanger is positioned at the below of said watering groove.
Preferably, also comprise water circulating pump, discharge outlet is communicated with said watering groove.
Preferably, also comprise water level switch, probe is arranged among the said catch basin.
Preferably, said superstructure is provided with said indoor air channel, and the air outlet place is provided with humidification port, connects said damping device through the moisture exhausting pipe; Be provided with said outdoor air channel in the said understructure, air outlet connects the exhaust duct on the complete machine backboard of said integral type constant-temperature and constant-humidity machine.
Preferably, be provided with the filler, be positioned on the complete machine backboard of said constant temperature and humidity machine, connect said damping device through filler pipe.
Compared with prior art, constant temperature and humidity regulating system of the present invention adopts the refrigerant flow in proportional valve control two parallel branches, effectively avoids legacy system institute intrinsic " temperature adjustment blind area " in the temperature adjustment process, improves the adjustable extent of wind pushing temperature; Simultaneously, the electromagnetism four-way change-over valve is set in system, increases heating mode, both can satisfy the requirement of whole year operation cooling and heating load wide variation, can when heat exchanger moves frosting, realize not shutting down quickly defrosting again.
The critical piece of integral type constant-temperature and constant-humidity machine of the present invention can be arranged in the monoblock type movable machine body, overcomes the defective that the legacy system complicacy is huge, installation and maintenance are difficult, have removable, exempt to install, system is simple and easy, the characteristics of diverse in function.
Description of drawings
Fig. 1 is the regulating system sketch map of constant temperature and humidity of the present invention;
Fig. 2 is the internal structure front view of integral type constant-temperature and constant-humidity machine of the present invention;
Fig. 3 is the side view of integral type constant-temperature and constant-humidity machine of the present invention;
Fig. 4 is Fig. 1 vertical view of structure at the middle and upper levels;
Fig. 5 is the vertical view of understructure among Fig. 1;
Fig. 6 is the appearance figure of integral type constant-temperature and constant-humidity machine of the present invention.
The specific embodiment
Describe below in conjunction with accompanying drawing and specific embodiment.
See also Fig. 1, this figure is the regulating system sketch map of constant temperature and humidity of the present invention.This system mainly connects into a refrigerating/heating circulation by compressor 1, first heat exchanger 3, second heat exchanger 5, the 3rd heat exchanger 6, throttling arrangement 4, first proportioning valve 7, second proportioning valve 8, four-way change-over valve 2, damping device 11 etc. through refrigerant line; Wherein, first heat exchanger 3,5 two branch road parallel connections of second heat exchanger, and first proportioning valve 7, second proportioning valve 8 are installed on two branch roads respectively, be used for controlling branch road flow and break-make.
Particularly: compressor 1, first heat exchanger 3, throttling arrangement 4,5 series connection of second heat exchanger constitute closed circuits; The 3rd heat exchanger 6 is parallelly connected with said second heat exchanger 5; Indoor air channel WD1 is equipped with indoor fan 9 and said first heat exchanger 3, second heat exchanger 5; Outdoor air channel WD2 is equipped with outdoor fan 10 and said the 3rd heat exchanger 6; Damping device 11 adds wet channel and is communicated with said indoor air channel WD1.
In addition; Also comprise: four-way change-over valve 2, the first port D1 connect the air entry of said compressor 1, and the second port D2 connects said first heat exchanger 3; The 3rd port D3 connects the exhaust outlet of said compressor 1, and the 4th port D4 connects the node of said second heat exchanger 5 and said the 3rd heat exchanger 6; First proportioning valve 7, second proportioning valve 8 are installed in respectively on the refrigerant line at said second heat exchanger 5, the 3rd heat exchanger 6 places.
Wherein, said four-way change-over valve 2 is a magnetic valve, and system is freezed and the heating mode conversion: during coil blackout, and the running refrigerating pattern; During coil electricity, the operation heating mode.Heating/switching between refrigeration mode through it, can satisfy the requirement of whole year operation cooling and heating load wide variation; Simultaneously, under the state of low temperature damping, can adopt four-way change-over valve 2 defrostings, thereby can realize not shutting down quickly defrosting easily.
Said first proportioning valve 7, second proportioning valve 8 are the electronics two-way control valve, and promptly the aperture of valve plate is adjustable, the outlet cold medium flux is adjustable.Through said electronics two-way control valve; Can be implemented in the refrigerant flow of regulating second heat exchanger 5 and the 3rd heat exchanger 6 in the system; Thereby the heat of pro-rata condensation heat dwindles the temperature fluctuation range that is conditioned environment greatly, improves thermoregulator precision effectively.This electron-like two-way control valve existing market is existing sells, and its valve body structure is roughly the same with general two-way control valve structure, repeats no more at this.
Damping device 11 is mainly by comprising parts such as ultrasonic humidifier, water level switch, water inlet linkage; Form a modularization, freestanding damping device; Be similar to the damping device that existing high-grade domestic air conditioning cabinet-type air conditioner is installed in indoor set, repeat no more at this.
On the regulating system basis of aforementioned constant temperature and humidity; The present invention is through temperature sensor, humidity sensor, controller; Can realize automatic control easily, thereby operational mode is changed, be summarized as follows four-way change-over valve 2, first proportioning valve 7, second proportioning valve 8.
Temperature sensor, humidity sensor are arranged at the return air inlet of said indoor air channel WD1 respectively, are used for detecting and output indoor temperature signal, indoor humidity signal;
Controller; Be used to receive said indoor temperature signal, indoor humidity signal; And with target temperature, target humidity relatively, according to the expectant control strategy, export the control signal of said four-way change-over valve 2, first proportioning valve 7, second proportioning valve 8, damping device 11;
Interval (the fine setting interval of said target temperature is: when room temperature during near target temperature greater than the fine setting of target temperature in indoor temperature; When a temperature range of default entering fine tune temperature nodular attitude) upper limit and indoor humidity are greater than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device shutdown signal of output four-way change-over valve shutdown signal, zero aperture; In indoor temperature less than the interval lower limit of the fine setting of target temperature and indoor humidity during greater than target humidity, the first proportional valve control signal of output four-way change-over valve shutdown signal, full gate, the second proportional valve control signal, the damping device shutdown signal of zero aperture;
Fine setting interval and the indoor humidity that is positioned at target temperature in indoor temperature is during greater than target humidity; Output four-way change-over valve shutdown signal, the first proportional valve control signal of half-open degree, the second proportional valve control signal (wherein, the aperture of the first proportional valve control signal and the second proportional valve control signal is adjusted to the percentage complementarity) of half-open degree, damping device shutdown signal;
In indoor temperature greater than the interval upper limit of the fine setting of target temperature and indoor humidity during less than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device start signal of output four-way change-over valve shutdown signal, zero aperture;
In indoor temperature less than the interval lower limit of the fine setting of target temperature and indoor humidity during less than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device start signal of output four-way change-over valve start signal, zero aperture;
Fine setting interval and the indoor humidity that is positioned at target temperature in indoor temperature is during less than target humidity; According to the real-time detection contrast of temperature/humidity sensor to indoor temperature/humidity: when indoor temperature during greater than target temperature, output four-way change-over valve shutdown signal, the first proportional valve control signal of half-open degree and the second proportional valve control signal (both apertures are adjusted to the percentage complementarity), the damping device start signal of half-open degree; When indoor temperature during less than target temperature, control signal (both apertures are adjusted to the percentage complementarity), the damping device start signal of the first proportional valve control signal of output four-way change-over valve start signal, half-open degree and the half-open degree of second proportioning valve of half-open degree.
In addition, the said controller control that also defrosts; When system runs on refrigerating state, said controller output four-way change-over valve start signal; Run on when heating state said controller output four-way change-over valve shutdown signal in system.
In view of the above; The regulating system of constant temperature and humidity of the present invention comprises the switching of operational modes such as dehumidifying and cooling, dehumidifying intensification, dehumidification and temperature adjustment, moistening and lowering temperature, humidification intensification, humidification temperature adjustment, automatic defrosting; By the temperature that is arranged at the return air inlet place, humidity sensor environment temperature, humidity are detected in real time, judge; And according to existing program through Programmable Logic Controller PLC and carry out the automatic adjusting and the control of system; That is: according to the requirement that is provided with of indoor temperature, humidity, the running status of temperature, humidity and the system in the sensing chamber in real time; According to the variation of indoor temperature, humidity, the operational mode of parts such as first proportioning valve 7 in the control and regulation system, second proportioning valve 8, four-way change-over valve 2, damping device 11 guarantees indoor temperature, humidity requirement and system safety operation.
Below to each operational mode brief description.
(1) dehumidifying and cooling pattern
Under hot and humid environmental working condition, promptly indoor actual temperature, humidity all than the temperature of setting, when humidity is high, system runs on the dehumidifying and cooling pattern.At this moment, four-way change-over valve 2 outages, the refrigeration modes operation is pressed by system; First proportioning valve 7 on second heat exchanger, 5 branch roads turn-offs fully, and this branch road does not have the cold-producing medium process; Second proportioning valve, 8 complete openings, lower floor's fan starting running, the 3rd heat exchanger 6 is born all heat exchange loads, and first heat exchanger 3 is equivalent to evaporimeter, thereby with the room air cool-down dehumidification, air-supply in the return chamber behind the air of formation low temperature and low humidity.
(2) dehumidifying heating mode
Under the environmental working condition at low temperature and high relative humidity, when promptly indoor actual temperature was higher than setting humidity than the low and indoor actual humidity of design temperature, system ran on the dehumidifying heating mode.At this moment, four-way change-over valve 2 outages, the refrigeration modes operation is pressed by system; Second proportioning valve 8 on the 3rd heat exchanger 6 branch roads turn-offs fully, and this branch road does not have the cold-producing medium process, and lower floor's blower fan shuts down; First proportioning valve, 7 complete openings, all condensation heat is all born by second heat exchanger 5; Room air by first heat exchanger, 3 dehumidifying and coolings after, through wet intensification such as second heat exchanger, 5 grades, all condensation heat all are used to behind the hot-air in the plenum chamber again.
(3) dehumidification and temperature adjustment pattern
When under the environmental working condition of normal temperature high humidity, operation dehumidification and temperature adjustment pattern.At this moment, four-way change-over valve 2 outages, the refrigeration modes operation is still pressed by system; Under this dehumidification and temperature adjustment pattern, temperature, the humidity of actual temperature, humidity and the setting of room air have determined the running status of system, and promptly system is switched between dehumidifying and cooling and dehumidifying soaking condition.
When system switches to dehumidifying during heating mode by the dehumidifying and cooling pattern, first proportioning valve 7 is opened by closed condition gradually, and second proportioning valve 8 cuts out by opening gradually.Around here, the aperture of first proportioning valve 7 and second proportioning valve 8, is assigned instruction and is controlled according to actual temperature, humidity and the setting temperature of room air, the contrast of humidity by PLC.When first proportioning valve, 7 complete openings, when second proportioning valve 8 cuts out fully, second heat exchanger 5 is born whole condensation heat.
Wherein: the aperture of first proportioning valve 7 and second proportioning valve 8 is adjusted to complementarity; For example, the aperture of an electrical adjustment valve is 80%, and the aperture of another one electrical adjustment valve is 20%.Utilize the percentage bifurcated characteristic of two electrical adjustment valves; Can accurately control the refrigerant flow that flows into second heat exchanger 5; Eliminate the adjustment blind area that series connection bypass type system that traditional open and close type magnetic valve and switching valve switch is died; Improve the adjustable extent of wind pushing temperature, make the wind pushing temperature adjustment curve more level and smooth.
When system switches to the dehumidifying and cooling pattern by the dehumidifying heating mode; Close gradually by opening by the commands for controlling of PLC first proportioning valve 7; Second proportioning valve 8 is opened by closed condition gradually, its process and above-mentioned to switch to the dehumidifying heating mode by the dehumidifying and cooling pattern opposite.
(4) moistening and lowering temperature pattern
When under the environmental working condition of high temperature low humidity, promptly high and indoor actual humidity is than setting humidity when low than design temperature for indoor actual temperature, and system runs on the moistening and lowering temperature pattern.At this moment, damping device 11 starts, four-way change-over valve 2 outages, and the refrigeration modes operation is pressed by system, and the damping device 11 at air outlet place brings into operation; First proportioning valve 7 on second heat exchanger, 5 branch roads turn-offs fully, and this branch road does not have the cold-producing medium process, lower floor's fan starting running; Second proportioning valve, 8 complete openings, the 3rd heat exchanger 6 is born all heat exchange loads, room air by first heat exchanger, 3 dehumidifying and coolings after, again after damping device 11 carries out humidification in the plenum chamber.Around here, room air is because through first heat exchanger 3, and humidity can descend to some extent, but the damping device 11 that is arranged on the air outlet place can effectively compensate and make air-supply humidity to rise.
(5) humidification heating mode
Under environmental working condition at low temperature and low humidity, promptly indoor actual temperature, humidity all than the temperature of setting, when humidity is low, system runs on the humidification heating mode.At this moment, damping device 11 starts, four-way change-over valve 2 energisings, and system moves by the mode of heating, and the damping device 11 at air outlet place brings into operation; First proportioning valve 7 on second heat exchanger, 5 branch roads turn-offs fully, and this branch road does not have the cold-producing medium process, lower floor's fan starting running; Second proportioning valve, 8 complete openings, the 3rd heat exchanger 6 is born all heat exchange loads, room air by wet intensification such as first heat exchanger, 3 grades after again in damping device 11 humidification plenum chambers.
(6) humidification temperature adjustment pattern
When under the environmental working condition of normal temperature low humidity, operation humidification temperature adjustment pattern.At this moment, damping device 11 starts, and its method of temperature control and dehumidification and temperature adjustment mode class are seemingly.According to the temperature of actual temperature, humidity and the setting of room air, the running status of humidity decision systems, utilize the percentage bifurcated characteristic of electromagnetism four-way change-over valve 2 and electrical adjustment valve under the instruction of PLC, to control, switch between moistening and lowering temperature and the humidification soaking condition.
(7) automatic defrosting pattern
When system moved according to refrigeration modes, first heat exchanger 3 was an evaporimeter.At this moment, (like dry-bulb temperature is 5 to its surface temperature because of operating ambient temperature is lower; Relative humidity is 80% operating mode) be lower than 0 ℃, when the relative air humidity that gets into evaporimeter was big, airborne moisture maybe be in the evaporator external frosting.After frost reaches certain thickness, make the air side pressure loss rise, air mass flow reduces, and the heat exchange weak effect need defrost.Four-way change-over valve energising 2 this moment, system's operation heating mode, first heat exchanger 3 is converted into condenser, and the entering of high temperature refrigerant recovers original operational mode after making that frost melts rapidly.
When system moved according to the mode of heating, second heat exchanger 5 or the 3rd heat exchanger 6 were evaporimeter, like surperficial frosting state, and four-way change-over valve 2 outages, system's running refrigerating pattern defrosts.
This constant temperature and humidity regulating system adopts the electronics two-way valve of ratio adjustable type to control the refrigerant flow in two parallel branches, effectively avoids legacy system institute intrinsic " temperature adjustment blind area " in the temperature adjustment process, has improved the adjustable extent of wind pushing temperature; Simultaneously, electromagnetism four-way switching valve is set in system, increases heating mode, both can satisfy the requirement of whole year operation cooling and heating load wide variation, can when heat exchanger moves frosting, realize not shutting down quickly defrosting again.
On the basis of the regulating system of above-mentioned constant temperature and humidity, through certain structural design, obtain integral type constant-temperature and constant-humidity machine according to the invention, further describe below.
Please be simultaneously referring to Fig. 2-6, wherein: Fig. 2 be the internal structure front view of integral type constant-temperature and constant-humidity machine of the present invention; Fig. 3 is the side view of integral type constant-temperature and constant-humidity machine of the present invention; Fig. 4 is Fig. 1 vertical view of structure at the middle and upper levels; Fig. 5 is the vertical view of understructure among Fig. 1; Fig. 6 is the appearance figure of integral type constant-temperature and constant-humidity machine of the present invention.Said integral type constant-temperature and constant-humidity machine internal structure is divided into two-layer up and down, wherein:
Superstructure is that parts such as indoor fan 9 are formed by plastics median septum 14, first heat exchanger 3, second heat exchanger 5, upper strata blower fan mainly.The tip position of median septum 14 corresponding the 3rd heat exchanger 3 in the left side is provided with a watering groove 15, the first heat exchangers 3, second heat exchanger 5, indoor fan 9 and above median septum 14, is arranged side by side.Wherein, first heat exchanger 3 places near indoor return air inlet one side, with second heat exchanger, 5 middle wares apart from about 15mm, both sides are connected with the panel beating end plate and form the indoor air channel of sealing; Indoor fan 9 places near second heat exchanger, 5 one sides, and promptly air draught face is parallel with a side heat-transfer surface of second heat exchanger 5, and its air outlet upwards.
Understructure is that parts such as outdoor fan 10, compressor 1, chassis plastics catch basin 18, panel beating chassis, damping device 11, water level switch 17 are formed by the 3rd heat exchanger 6, lower floor's blower fan mainly.Catch basin 18 utilizes tapping screw to be fixed in the panel beating chassis, and is provided with discharge outlet; Catch basin 18 tops are placed the 3rd heat exchanger 6, outdoor fan 10, damping device 11, water level switch 17 and are set gradually, and wherein, the probe of water level switch 17 places among the catch basin 18; The 3rd heat exchanger 5 is near lower floor's return air inlet one side and place the below of said watering groove 15; Outdoor fan 10 is parallel with a side heat-transfer surface of the 3rd heat exchanger 6 with air draught face, air outlet level position of sound production backward.Damping device 11 is provided with filler pipe and moisture exhausting pipe, connects the humidification port 12 at the filler 13 and the indoor air outlet place at complete machine backboard place respectively through plastic flexible pipe; Compressor 1 is positioned over right corner before the panel beating chassis.
The air channel cyclic design of this integral type constant-temperature and constant-humidity machine is: the air channel, upper strata is that indoor air channel is by the place's air draught of upper strata return air inlet, earlier behind first heat exchanger 3, second heat exchanger 5, again after the humidification port 12 at upper strata air outlet place, in the plenum chamber; The lower floor air channel is that outdoor air channel is by lower floor's return air inlet air draught, behind the 3rd heat exchanger 6, through cooperating with the complete machine backboard outside scalable exhaust duct 19 plenum chambers of installing.
The water cyclic design of this integral type constant-temperature and constant-humidity machine is: the condensed water that the upper strata heat exchanger produces in dehumidification process, evenly trickle down in condenser overhead through being arranged on median septum 14 places watering groove 15, and behind condenser, flow in the catch basin 18 of lower floor again.When the water level of catch basin 18 reach a certain height, be arranged at here water level switch 17 actions and warning, remind the user in time to pass through the discharge outlet draining of catch basin 18.
The another kind of design of system water circulation of this integral type constant-temperature and constant-humidity machine is: according to the condensed water watering structure of median septum 14; (market has matured product in catch basin 18 reservations place a water circulating pump 16 to be installed; Like the WSB-II (A)-01G) of Huachen company, its discharge outlet is connected with the watering groove 15 of upper strata median septum 14 through the PVC flexible pipe.During water circulating pump 16 operations; Absorb the condensed water in the catch basin 18; Condensed water is imported in the watering groove 15 of median septum 14 through the PVC flexible pipe; And the 3rd heat exchanger 6 sprayed, thereby improve the heat exchange efficiency of the 3rd heat exchanger 6 in kind of refrigeration cycle greatly, significantly reduce the operate power of system.
Thus,, condensed water is smoked spray, both can improve the Energy Efficiency Ratio of complete machine kind of refrigeration cycle, can realize the spontaneous evaporation of complete machine condensed water again in supplementary heat exchanger through on the catch basin 18 on chassis, selecting water circulating pump 16 for use.
In addition; Detect the height of water level of catch basin 18 in real time by water level switch 17; And the condensed water spontaneous evaporation that realizes start and stop, running time the machine system kind of refrigeration cycle through Programmable Logic Controller PLC control water circulating pump 16; Make the user exempt the puzzlement of draining voluntarily, the Energy Efficiency Ratio EER when effectively raising system kind of refrigeration cycle is moved simultaneously.
This integral type constant-temperature and constant-humidity machine structurally is arranged at parts such as first heat exchanger 3, second heat exchanger 5, the 3rd heat exchanger 6, compressor 1, indoor fan 9, outdoor fan 10, damping device 11 in the removable body of monoblock type of a similar mobile air conditioner cleverly.Be different from traditional split type constant temperature and humidity machine (the outdoor condenser that adds air-cooled or water-cooled), overcome the shortcoming that its system complex is huge, installation and maintenance are difficult; Also being different from the normal domestic use mobile air conditioner only has single refrigerated dehumidification function and normal domestic use dehumidifier that the intensification dehumidification function is only arranged.That this integral type constant-temperature and constant-humidity machine has is removable, exempt to install, system is simple and easy, the characteristics of diverse in function, is more suitable for providing for the small space that household bedroom, hospital nurse ward, machine room etc. are inconvenient to install the split unit environment of temperature, humidity specific (special) requirements.
Only be preferred implementation of the present invention below, should be pointed out that above-mentioned preferred implementation should not be regarded as limitation of the present invention, protection scope of the present invention should be as the criterion with claim institute restricted portion.For those skilled in the art, do not breaking away from the spirit and scope of the present invention, can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.

Claims (8)

1. the regulating system of a constant temperature and humidity comprises: compressor, first heat exchanger, throttling arrangement, second heat exchanger, series connection formation closed circuit; The 3rd heat exchanger, parallelly connected with said second heat exchanger; Indoor air channel is equipped with indoor fan and said first heat exchanger, second heat exchanger; Outdoor air channel is equipped with outdoor fan and said the 3rd heat exchanger; Damping device adds wet channel and is communicated with said indoor air channel; It is characterized in that, also comprise:
Four-way change-over valve, first port connects the air entry of said compressor, and second port connects said first heat exchanger, and the 3rd port connects the exhaust outlet of said compressor, and the 4th port connects the node of said second heat exchanger and said the 3rd heat exchanger;
First proportioning valve, second proportioning valve are installed in respectively on the refrigerant line at said second heat exchanger, the 3rd heat exchanger place;
Said four-way change-over valve is a magnetic valve, and said first proportioning valve, second proportioning valve are respectively the electronics two-way control valve;
Also comprise:
Temperature sensor, humidity sensor are arranged at the return air inlet in said indoor air channel respectively, are used for detecting and output indoor temperature signal, indoor humidity signal;
Controller is used to receive said indoor temperature signal, indoor humidity signal, and compares with target temperature, target humidity, according to the expectant control strategy, exports the control signal of said four-way change-over valve, first proportioning valve, second proportioning valve, damping device;
In indoor temperature greater than the interval upper limit of the fine setting of target temperature and indoor humidity during greater than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device shutdown signal of output four-way change-over valve shutdown signal, zero aperture;
In indoor temperature less than the interval lower limit of the fine setting of target temperature and indoor humidity during greater than target humidity, the first proportional valve control signal of output four-way change-over valve shutdown signal, full gate, the second proportional valve control signal, the damping device shutdown signal of zero aperture;
Fine setting interval and the indoor humidity that is positioned at target temperature in indoor temperature is during greater than target humidity; Output four-way change-over valve shutdown signal, the first proportional valve control signal of half-open degree, the second proportional valve control signal of half-open degree, damping device shutdown signal; Wherein, the aperture of the first proportional valve control signal and the second proportional valve control signal is adjusted to the percentage complementarity;
In indoor temperature greater than the interval upper limit of the fine setting of target temperature and indoor humidity during less than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device start signal of output four-way change-over valve shutdown signal, zero aperture;
In indoor temperature less than the interval lower limit of the fine setting of target temperature and indoor humidity during less than target humidity, the first proportional valve control signal, the second proportional valve control signal of full gate, the damping device start signal of output four-way change-over valve start signal, zero aperture;
Fine setting interval and the indoor humidity that is positioned at target temperature in indoor temperature is during less than target humidity: when indoor temperature during greater than target temperature; Output four-way change-over valve shutdown signal, the first proportional valve control signal of half-open degree, the second proportional valve control signal of half-open degree, damping device start signal; Wherein, the aperture of the first proportional valve control signal and the second proportional valve control signal is adjusted to the percentage complementarity; When indoor temperature during less than target temperature; Output four-way change-over valve start signal, the first proportional valve control signal of half-open degree, the second proportional valve control signal of half-open degree, damping device start signal; Wherein, the aperture of the first proportional valve control signal and the second proportional valve control signal is adjusted to the percentage complementarity.
2. the regulating system of constant temperature and humidity as claimed in claim 1 is characterized in that, the control that also defrosts of said controller; When system runs on refrigerating state, said controller output four-way change-over valve start signal; Run on when heating state said controller output four-way change-over valve shutdown signal in system.
3. an integral type constant-temperature and constant-humidity machine is characterized in that, comprises the regulating system like each described constant temperature and humidity of claim 1-2.
4. integral type constant-temperature and constant-humidity machine as claimed in claim 3 is characterized in that, comprising:
Superstructure is equipped with median septum and said first heat exchanger, second heat exchanger, indoor fan; Said median septum is provided with the watering groove, and said first heat exchanger, second heat exchanger, indoor fan are arranged side by side above said median septum;
Understructure is equipped with chassis, catch basin and said the 3rd heat exchanger, outdoor fan, compressor, damping device; Said catch basin is fixed in a side on said chassis, and said compressor is fixed in the opposite side on said chassis; Said the 3rd heat exchanger, outdoor fan, damping device are set in turn in the top of said catch basin, and said the 3rd heat exchanger is positioned at the below of said watering groove.
5. integral type constant-temperature and constant-humidity machine as claimed in claim 4 is characterized in that, also comprises water circulating pump, and discharge outlet is communicated with said watering groove.
6. integral type constant-temperature and constant-humidity machine as claimed in claim 4 is characterized in that, also comprises water level switch, and probe is arranged among the said catch basin.
7. integral type constant-temperature and constant-humidity machine as claimed in claim 4 is characterized in that, said superstructure is provided with said indoor air channel, and the air outlet place is provided with humidification port, connects said damping device through the moisture exhausting pipe; Be provided with said outdoor air channel in the said understructure, air outlet connects the exhaust duct on the complete machine backboard of said integral type constant-temperature and constant-humidity machine.
8. like each described integral type constant-temperature and constant-humidity machine of claim 4-7, it is characterized in that, be provided with the filler, be positioned on the complete machine backboard of said constant temperature and humidity machine, connect said damping device through filler pipe.
CN200910143726XA 2009-05-25 2009-05-25 Governing system for constant temperature and constant humidity and integral constant temperature and humidity machine CN101691959B (en)

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