CN101893287B

CN101893287B - Constant-temperature constant-humidity air conditioner with heat pump type dehumidifying device and control system thereof

Info

Publication number: CN101893287B
Application number: CN2010102529280A
Authority: CN
Inventors: 林开生
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-08-13
Filing date: 2010-08-13
Publication date: 2012-05-23
Anticipated expiration: 2030-08-13
Also published as: CN101893287A

Abstract

The invention relates to a constant-temperature constant-humidity air conditioner with a heat pump type dehumidifying device and a control system thereof. The constant-temperature constant-humidity air conditioner comprises a first heat exchanger, an external fan, a compressor, a connecting pipe, a four-way valve, a second heat exchanger, a third heat exchanger, a liquid storing device, a first capillary pipe, a second capillary pipe, a gas-liquid separator, an internal fan, a humidifier, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a first one-way valve, a second one-way valve, a third one-way valve, a fourth one-way valve, a fifth one-way valve, a sixth one-way valve, a seventh one-way valve, an eighth one-way valve and a ninth one-way valve, wherein the first heat exchanger and the external fan are arranged in a box of an outdoor unit, and the compressor, the connecting pipe, the four-way valve, the second heat exchanger, the third heat exchanger, the liquid storing device, the first capillary pipe, the second capillary pipe, the gas-liquid separator, the internal fan, the humidifier, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve, the fourth electromagnetic valve, the first one-way valve, the second one-way valve, the third one-way valve, the fourth one-way valve, the fifth one-way valve, the sixth one-way valve, the seventh one-way valve, the eighth one-way valve and the ninth one-way valve are arranged in the box of an indoor unit. Due to the adoption of a heat pump type dehumidifying structure, the invention has favorable energy-saving effect. Due to the adoption of a special all-digital hardware structure and information processing, the invention has strong anti-interference capability, high control precision, reliable system work, high intelligent degree, and the like.

Description

The constant-temperature constant-humidity air-conditioner and the control system thereof that have heat pump type dehumidifying device

Technical field

The present invention relates to a kind of constant-temperature constant-humidity air-conditioner and control system thereof that has heat pump type dehumidifying device.

Background technology

At present, constant-temperature constant-humidity air-conditioner is mainly used in the commercial production, there is the occasion of specific (special) requirements the operation area, like food processing, microelectronics manufacturing, Tea Processing, high-quality printing etc.Existing constant-temperature constant-humidity air-conditioner adopts Electric heating that humid air is heated up when working in except that wet condition; Under this mode, have only when system works in refrigeration or when heating state, the same with common changes in temperature electric heating type or heat pump type air conditioner operative scenario; But work as system works in " dehumidifying " state; Need the large power, electrically heater, because the intrinsic poor efficiency of electrical heating makes constant-temperature constant-humidity air-conditioner become " power consumption rich and influential family "; In addition, existing control system generally adopts PLC controller and analog sensor, and the control system hardware structure is complicated, integrated level is low, and it is bigger that the humiture accuracy of detection is influenced by Hardware Design and element quality, and intelligent degree is low, the maintenance inconvenience.

Summary of the invention

One of the object of the invention is to provide a kind of constant-temperature constant-humidity air-conditioner that has heat pump type dehumidifying device with good power savings.

Two of the object of the invention is to provide that a kind of hardware configuration is simple, antijamming capability is strong, control accuracy is high, reliable operation, the intelligentized control system that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device.

The object of the invention is realized through following technical scheme:

A kind of constant-temperature constant-humidity air-conditioner that has heat pump type dehumidifying device is characterized in that: it comprises first heat exchanger and the outer blower fan that is installed in the off-premises station cabinet and is installed on compressor, tube connector, cross valve, second heat exchanger, the 3rd heat exchanger, reservoir, first capillary, second capillary, gas-liquid separator, inner blower, humidifier, first magnetic valve, second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve, first check valve, second check valve, the 3rd check valve, the 4th check valve, the 5th check valve, the 6th check valve, the 7th check valve, the 8th check valve and the 9th check valve in the indoor unit casting; Described compressor, its gas outlet links to each other with first interface of cross valve through tube connector, described cross valve, its 3rd interface is connected with the arrival end of first magnetic valve through tube connector; Described first magnetic valve, its port of export links to each other described first check valve through tube connector with the arrival end of first check valve; Its port of export links to each other with an end of first heat exchanger through tube connector, described first heat exchanger, and its other end links to each other with the arrival end of second check valve through tube connector; Described second check valve, its port of export links to each other described the 3rd check valve through tube connector with the arrival end of the 3rd check valve; Its port of export links to each other with the arrival end of reservoir through tube connector, described reservoir, and its port of export links to each other with first arrival end capillaceous through tube connector; Described first capillary, its port of export links to each other described second capillary through tube connector with second arrival end capillaceous; Its port of export links to each other with the arrival end of the 4th check valve through tube connector, described the 4th check valve, and its port of export links to each other with an end of second heat exchanger through tube connector; Described second heat exchanger, its other end links to each other described cross valve through tube connector with the 4th interface of cross valve; Its second interface links to each other with the gas-liquid separator arrival end through tube connector, described gas-liquid separator, and its port of export links to each other with the arrival end of compressor through tube connector; Described second magnetic valve, its arrival end links to each other with the tube connector that is connected in cross valve the 3rd interface through tube connector, and its port of export links to each other with the 5th check valve arrival end through tube connector; Described the 5th check valve, its port of export links to each other described the 3rd heat exchanger through tube connector with an end of the 3rd heat exchanger; Its other end links to each other with the tube connector that is connected in the second check valve port of export through tube connector, described the 6th check valve, and its arrival end links to each other with the tube connector that is connected in the second check valve port of export through tube connector; Its port of export links to each other with the 3rd electromagnetic valve entrance end through tube connector, described the 3rd magnetic valve, and its port of export links to each other with the tube connector that is connected in the second check valve arrival end through tube connector; Described the 7th check valve, its arrival end links to each other with the tube connector that is connected in the first check valve port of export through tube connector, and its port of export links to each other with the tube connector that is connected in the first electromagnetic valve entrance end through tube connector; Described the 8th check valve, its arrival end links to each other with the tube connector that is connected in the 4th check valve arrival end through tube connector, and its port of export links to each other with the tube connector that is connected in the 3rd check valve arrival end through tube connector; Described the 9th check valve, its arrival end links to each other with the tube connector that is connected in the 4th check valve port of export through tube connector, and its port of export links to each other with the tube connector that is connected in the 3rd check valve port of export through tube connector; Described the 4th magnetic valve, its arrival end links to each other with the tube connector that is connected in the first capillary inlet end through tube connector, and its port of export links to each other with the tube connector that is connected in the first capillary outlet end through tube connector; Described outer blower fan is installed on a side of first heat exchanger, described inner blower be installed on can make its formation wind successively through the position of the 3rd heat exchanger and second heat exchanger, described humidifier is installed in the indoor unit casting air place of flowing.

A kind of control system that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device; It comprises hardware components and software section; It is characterized in that: described hardware components comprises microprocessor; The man-machine interface that links to each other with microprocessor through first bus; The programmable digital temperature sensor that links to each other with microprocessor through the first power positive end line, first power ground and first data wire; Through second source positive terminal line, second source ground wire, second data wire and clock line and the programmable digital humidity sensor that links to each other with microprocessor, the relay interface that links to each other with microprocessor through second bus is with the relay interface a plurality of relays that link to each other respectively and the contactor or the solid-state relay that link to each other with the part relay.

Compared to prior art; Its refrigeration of the present invention, all employing heat pump type air conditioner operation principles that heats, dehumidifies do not need electric heater unit, have good power savings; When this equipment is in except that wet condition, 50% of the not enough Electric heating same category of device of energy consumption; In the whole work period that comprises refrigeration, heats, dehumidifies, its comprehensive energy consumption is no more than 65% of Electric heating same category of device; And because of adopting special-purpose digital hardware configuration and information processing, its temperature sensor, humidity sensor all adopt the programmable digital integrated chip, and temperature sensor adopts " single bus " directly to be connected with microprocessor; Humidity sensor adopts " dual-wire bus " directly to be connected with microprocessor, and microprocessor directly reads scene temperature, humidity information through performing a programme, and the humiture accuracy of detection is only relevant with the precision that chip itself can reach; And it is irrelevant with external circuit; Temperature and Humidity Control precision during its work only depends on the adjusting software algorithm, as long as algorithm is reasonable, the adjustment precision is no more than ± and 1 ℃; The humidity regulation precision is no more than ± 5%RH; Thereby it is strong to have antijamming capability, and control accuracy is high, the reliable and intelligent degree advantages of higher of system works.

Description of drawings

Fig. 1 is the structural representation of a kind of embodiment of a kind of constant-temperature constant-humidity air-conditioner that has a heat pump type dehumidifying device of the present invention, the flow direction of heat exchange medium when arrow indicates refrigeration among the figure.

Fig. 2 is an another kind of duty embodiment illustrated in fig. 1, the flow direction of heat exchange medium when arrow indicates dehumidifying among the figure.

Fig. 3 is the third duty embodiment illustrated in fig. 1, and arrow indicates the flow direction of heat exchange medium when heating among the figure.

Fig. 4 is the structural representation that is made up of inner blower, the 3rd heat exchanger and second heat exchanger.

Fig. 5 is the formation sketch map of a kind of embodiment of hardware components in the control system of a kind of constant-temperature constant-humidity air-conditioner that has a heat pump type dehumidifying device of the present invention.

Fig. 6 is the formation sketch map of a kind of embodiment of the control program of software section in the control system of a kind of constant-temperature constant-humidity air-conditioner that has a heat pump type dehumidifying device of the present invention.

Label declaration: 1 first heat exchanger; 2 outer blower fans; 3 compressors; 4 tube connectors; 5 cross valves; 6 second heat exchangers; 7 the 3rd heat exchangers; 8 reservoirs; 9 first capillaries; 10 second capillaries; 11 gas-liquid separators; 12 inner blowers; 13 humidifiers; 14 first magnetic valves; 15 second magnetic valves; 16 the 3rd magnetic valves; 17 the 4th magnetic valves; 18 first check valves; 19 second check valves; 20 the 3rd check valves; 21 the 4th check valves; 22 the 5th check valves; 23 the 6th check valves; 24 the 7th check valves; 25 the 8th check valves; 26 the 9th check valves.

The specific embodiment

Below in conjunction with Figure of description and embodiment content of the present invention is elaborated:

Be a kind of embodiment sketch map that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device provided by the invention like Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4, it comprises first heat exchanger 1 that is installed in the off-premises station cabinet and outer blower fan 2 and is installed on the interior compressor 3 of indoor unit casting, tube connector 4, cross valve 5, second heat exchanger 6, the 3rd heat exchanger 7, reservoir 8, first capillary 9, second capillary 10, gas-liquid separator 11, inner blower 12, humidifier 13, first magnetic valve 14, second magnetic valve 15, the 3rd magnetic valve 16, the 4th magnetic valve 17, first check valve 18, second check valve 19, the 3rd check valve 20, the 4th check valve 21, the 5th check valve 22, the 6th check valve 23, the 7th check valve 24, the 8th check valve 25 and the 9th check valve 26; Described compressor 3, its gas outlet links to each other with first interface of cross valve 5 through tube connector 4, described cross valve 5, its 3rd interface is connected with the arrival end of first magnetic valve 14 through tube connector 4; Be used to change the flow direction of heat exchange medium, described first magnetic valve 14, its port of export links to each other described first check valve 18 through tube connector 4 with the arrival end of first check valve 18; Its port of export links to each other with an end of first heat exchanger 1 through tube connector 4, described first heat exchanger 1, and its other end links to each other described second check valve 19 through tube connector 4 with the arrival end of second check valve 19; Its port of export links to each other with the arrival end of the 3rd check valve 20 through tube connector 4, described the 3rd check valve 20, and its port of export links to each other with the arrival end of reservoir 8 through tube connector 4; Described reservoir 8, its port of export links to each other with the arrival end of first capillary 9 through tube connector 4, has buffering, pressure limiting effect; Described first capillary 9, its port of export links to each other described second capillary 10 through tube connector 4 with the arrival end of second capillary 10; Its port of export links to each other with the arrival end of the 4th check valve 21 through tube connector 4, described the 4th check valve 21, and its port of export links to each other with an end of second heat exchanger 6 through tube connector 4; Described second heat exchanger 6, its other end links to each other described cross valve 5 through tube connector 4 with the 4th interface of cross valve 5; Its second interface links to each other with gas-liquid separator 11 arrival ends through tube connector 4, described gas-liquid separator 11, and its port of export links to each other with the arrival end of compressor 3 through tube connector 4; Described second magnetic valve 15, its arrival end links to each other with the tube connector 4 that is connected in cross valve 5 the 3rd interface through tube connector 4, and its port of export links to each other with the 5th check valve 22 arrival ends through tube connector 4; Described the 5th check valve 22, its port of export links to each other described the 3rd heat exchanger 7 through tube connector 4 with an end of the 3rd heat exchanger 7; Its other end links to each other with the tube connector 4 that is connected in second check valve, 19 ports of export through tube connector 4, described the 6th check valve 23, and its arrival end links to each other with the tube connector 4 that is connected in second check valve, 19 ports of export through tube connector 4; Its port of export links to each other with the 3rd magnetic valve 16 arrival ends through tube connector 4, described the 3rd magnetic valve 16, and its port of export links to each other with the tube connector 4 that is connected in second check valve, 19 arrival ends through tube connector 4; Described the 7th check valve 24, its arrival end links to each other with the tube connector 4 that is connected in first check valve, 18 ports of export through tube connector 4, and its port of export links to each other with the tube connector 4 that is connected in first magnetic valve, 14 arrival ends through tube connector 4; Described the 8th check valve 25, its arrival end links to each other with the tube connector 4 that is connected in the 4th check valve 21 arrival ends through tube connector 4, and its port of export links to each other with the tube connector 4 that is connected in the 3rd check valve 20 arrival ends through tube connector 4; Described the 9th check valve 26, its arrival end links to each other with the tube connector 4 that is connected in the 4th check valve 21 ports of export through tube connector 4, and its port of export links to each other with the tube connector 4 that is connected in the 3rd check valve 20 ports of export through tube connector 4; Described the 4th magnetic valve 17, its arrival end links to each other with the tube connector 4 that is connected in first capillary, 9 arrival ends through tube connector 4, and its port of export links to each other with the tube connector 4 that is connected in first capillary, 9 ports of export through tube connector 4; Described outer blower fan 2 is installed on a side of first heat exchanger 1, described inner blower 12 be installed on can make its formation wind successively through the position of the 3rd heat exchanger 7 and second heat exchanger 6, described humidifier 13 is installed in the indoor unit casting air and flows and locate.

Described tube connector 4 is for being used to connect the copper pipe of cross valve 5, each magnetic valve, each check valve, each heat exchanger, each capillary, reservoir 8, gas-liquid separator 11 and compressor 3.

Described inner blower 12, the 3rd heat exchanger 7 and second heat exchanger 6 constitute an individual components, and inner blower 12 is installed on the rear of the 3rd heat exchanger 7, and second heat exchanger 6 is installed on the place ahead of the 3rd heat exchanger 7; Inner blower 12 sucks air; Through the 3rd heat exchanger 7, second heat exchanger 6, blow out from second heat exchanger, 6 the place aheads, when dehumidifying successively; Meet cold formation water from the hot-air of the 3rd heat exchanger 7 during through second heat exchanger 6, thereby reach effect on moisture extraction.

Like Fig. 5 and shown in Figure 6 for a kind of control system implementation illustration that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device provided by the invention is intended to, it comprises hardware components and software section.Described hardware components comprises microprocessor; The man-machine interface that links to each other with microprocessor through first bus; The programmable digital temperature sensor that links to each other with microprocessor through the first power positive end line, first power ground and first data wire; Through second source positive terminal line, second source ground wire, second data wire and clock line and the programmable digital humidity sensor that links to each other with microprocessor; The relay interface that links to each other with microprocessor through second bus is with the relay interface a plurality of relays that link to each other respectively and the contactor or the solid-state relay that link to each other with the part relay.

Described relay; Comprise first relay that links to each other with cross valve 5, the 3rd magnetic valve 16, the 4th magnetic valve 17; Second relay that links to each other with first magnetic valve 14; The 3rd relay that links to each other with second magnetic valve 15, the 4th relay that links to each other with humidifier 13 warp first contactors or solid-state relay, the 5th relay that links to each other with compressor 3 warps second contactor; The 6th relay that links to each other with inner blower 12 warp the 3rd contactors or solid-state relay, the 7th relay that links to each other with outer blower fan 2 warp the 4th contactors or solid-state relay.

Described software section is directly to read the on-the-spot humidity that scene temperature that the programmable digital temperature sensor detected and programmable digital humidity sensor are detected by microprocessor; Compare according to the temperature that is detected, humidity and design temperature, humidity; According to certain control program, control cross valve 5, each magnetic valve, the break-make of humidifier 13 and the start and stop of compressor 3.

Described control program, its step is following:

(a) on programmable digital temperature sensor and programmable digital humidity sensor, read observed temperature and actual measurement humidity respectively,

(b) step (a) is carried out the judgement of " whether observed temperature is less than the design temperature lower limit ",

(c) when step (b) is judged as " being ", send and heat instruction, promptly connect first relay, the 5th relay, the 6th relay, the 7th relay, break off other relay simultaneously, return step (a) thereafter,

(d) when step (b) is judged as " denying ", carry out the judgement of " whether observed temperature is less than the design temperature upper limit ",

(e) when step (d) is judged as " denying ", send the refrigeration instruction, promptly connect second relay, the 5th relay, the 6th relay, the 7th relay, break off other relay simultaneously, return step (a) thereafter,

(f) when step (d) is judged as " being ", carry out the judgement of " whether actual measurement humidity is less than setting the humidity lower limit ",

(g) when step (f) is judged as " being ", send the humidification instruction, promptly connect the 4th relay, and send halt instruction, promptly break off the 5th relay, return step (a) thereafter,

(h) when step (f) is judged as " denying ", carry out the judgement of " whether actual measurement humidity is greater than setting the humidity upper limit ",

(i) when step (h) is judged as " being ", send the dehumidifying instruction, promptly connect the 3rd relay, the 5th relay, the 6th relay, break off other relay simultaneously, return step (a) thereafter,

(j) when step (h) is judged as " denying ", send halt instruction, promptly break off the 5th relay, return step (a) thereafter.

When execution heats instruction; Cross valve 5 energisings; The 3rd magnetic valve 16 and the 4th magnetic valve 17 are opened; Compressor 3, inner blower 12 and outer blower fan 2 are in running order; Its heat exchange medium passes through compressor 3 gas outlets, cross valve 5 first interfaces, cross valve 5 the 4th interface, second heat exchanger 6, the 9th check valve 26, reservoir 8, the 4th magnetic valve 17, second capillary, the 8th check valve 25, the 6th check valve 23, the 3rd magnetic valve 16, first heat exchanger 1, the 7th check valve 24, cross valve 5 the 3rd interface, cross valve 5 second interfaces, gas-liquid separator 11, compressor 3 air inlets successively, thereby forms the heat exchange medium circulation when heating duty.

When carrying out the refrigeration instruction; Cross valve 5 outages; First magnetic valve 14 is opened; Compressor 3, inner blower 12 and outer blower fan 2 are in running order; Its heat exchange medium passes through compressor 3 gas outlets, cross valve 5 first interfaces, cross valve 5 the 3rd interface, first magnetic valve 14, first check valve 18, first heat exchanger 1, second check valve 19, the 3rd check valve 20, reservoir 8, first capillary 9, second capillary 10, the 4th check valve 21, second heat exchanger 6, cross valve 5 the 4th interface, cross valve 5 second interfaces, gas-liquid separator 11, compressor 3 air inlets successively, thus the heat exchange medium circulation when forming the refrigeration work state.

When carrying out the humidification instruction, humidifier 13 work, thus form the humidification duty.

When carrying out the dehumidifying instruction; Cross valve 5 outages; Second magnetic valve 15 is opened; Compressor 3 is in running order with inner blower 12; Its heat exchange medium passes through compressor 3 gas outlets, cross valve 5 first interfaces, cross valve 5 the 3rd interface, second magnetic valve 15, the 5th check valve 22, the 3rd heat exchanger 7, the 3rd check valve 20, reservoir 8, first capillary 9, second capillary 10, the 4th check valve 21, second heat exchanger 6, cross valve 5 the 4th interface, cross valve 5 second interfaces, gas-liquid separator 11, compressor 3 air inlets successively, thus the heat exchange medium circulation when forming the dehumidifying duty.

When carrying out halt instruction, compressor 3 quits work, thereby stops the duty of freezing, heating and dehumidifying.

Claims

1. constant-temperature constant-humidity air-conditioner that has heat pump type dehumidifying device is characterized in that: it comprises and is installed on first heat exchanger (1) and the outer blower fan (2) in the off-premises station cabinet and is installed on indoor unit casting interior compressor (3), tube connector (4), cross valve (5), second heat exchanger (6), the 3rd heat exchanger (7), reservoir (8), first capillary (9), second capillary (10), gas-liquid separator (11), inner blower (12), humidifier (13), first magnetic valve (14), second magnetic valve (15), the 3rd magnetic valve (16), the 4th magnetic valve (17), first check valve (18), second check valve (19), the 3rd check valve (20), the 4th check valve (21), the 5th check valve (22), the 6th check valve (23), the 7th check valve (24), the 8th check valve (25) and the 9th check valve (26); Described compressor (3), its gas outlet links to each other with first interface of cross valve (5) through tube connector (4), described cross valve (5), its 3rd interface is connected with the arrival end of first magnetic valve (14) through tube connector (4); Described first magnetic valve (14), its port of export links to each other described first check valve (18) through tube connector (4) with the arrival end of first check valve (18); Its port of export links to each other with an end of first heat exchanger (1) through tube connector (4), described first heat exchanger (1), and its other end links to each other with the arrival end of second check valve (19) through tube connector (4); Described second check valve (19), its port of export links to each other described the 3rd check valve (20) through tube connector (4) with the arrival end of the 3rd check valve (20); Its port of export links to each other with the arrival end of reservoir (8) through tube connector (4), described reservoir (8), and its port of export links to each other with the arrival end of first capillary (9) through tube connector (4); Described first capillary (9), its port of export links to each other described second capillary (10) through tube connector (4) with the arrival end of second capillary (10); Its port of export links to each other with the arrival end of the 4th check valve (21) through tube connector (4), described the 4th check valve (21), and its port of export links to each other with an end of second heat exchanger (6) through tube connector (4); Described second heat exchanger (6), its other end links to each other described cross valve (5) through tube connector (4) with the 4th interface of cross valve (5); Its second interface links to each other with gas-liquid separator (11) arrival end through tube connector (4), described gas-liquid separator (11), and its port of export links to each other with the arrival end of compressor (3) through tube connector (4); Described second magnetic valve (15), its arrival end links to each other with the tube connector that is connected in cross valve (5) the 3rd interface (4) through tube connector (4), and its port of export links to each other with the 5th check valve (22) arrival end through tube connector (4); Described the 5th check valve (22), its port of export links to each other described the 3rd heat exchanger (7) through tube connector (4) with an end of the 3rd heat exchanger (7); Its other end links to each other with the tube connector (4) that is connected in second check valve (19) port of export through tube connector (4), described the 6th check valve (23), and its arrival end links to each other with the tube connector (4) that is connected in second check valve (19) port of export through tube connector (4); Its port of export links to each other with the 3rd magnetic valve (16) arrival end through tube connector (4), described the 3rd magnetic valve (16), and its port of export links to each other with the tube connector (4) that is connected in second check valve (19) arrival end through tube connector (4); Described the 7th check valve (24), its arrival end links to each other with the tube connector (4) that is connected in first check valve (18) port of export through tube connector (4), and its port of export links to each other with the tube connector (4) that is connected in first magnetic valve (14) arrival end through tube connector (4); Described the 8th check valve (25), its arrival end links to each other with the tube connector (4) that is connected in the 4th check valve (21) arrival end through tube connector (4), and its port of export links to each other with the tube connector (4) that is connected in the 3rd check valve (20) arrival end through tube connector (4); Described the 9th check valve (26), its arrival end links to each other with the tube connector (4) that is connected in the 4th check valve (21) port of export through tube connector (4), and its port of export links to each other with the tube connector (4) that is connected in the 3rd check valve (20) port of export through tube connector (4); Described the 4th magnetic valve (17), its arrival end links to each other with the tube connector (4) that is connected in first capillary (9) arrival end through tube connector (4), and its port of export links to each other with the tube connector (4) that is connected in first capillary (9) port of export through tube connector (4); Described outer blower fan (2) is installed on a side of first heat exchanger (1), described inner blower (12) be installed on can make its formation wind successively through the position of the 3rd heat exchanger (7) and second heat exchanger (6), described humidifier (13) is installed in the indoor unit casting air and flows and locate; Described tube connector (4) is for being used to connect the copper pipe of cross valve (5), each magnetic valve, each check valve, each heat exchanger, each capillary, reservoir (8), gas-liquid separator (11) and compressor (3); Described inner blower (12), the 3rd heat exchanger (7) and second heat exchanger (6) constitute an individual components; Second heat exchanger (6) and the 3rd heat exchanger (7) each other near and parallel installation; Inner blower (12) is installed on the rear of the 3rd heat exchanger (7), and second heat exchanger (6) is installed on the place ahead of the 3rd heat exchanger (7).

2. one kind is used to control the control system that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device as claimed in claim 1; It comprises hardware components and software section; It is characterized in that: described hardware components comprises microprocessor; The man-machine interface that links to each other with microprocessor through first bus; The programmable digital temperature sensor that directly links to each other through the first power positive end line, first power ground and first data wire and microprocessor; Through second source positive terminal line, second source ground wire, second data wire and clock line and the programmable digital humidity sensor that directly links to each other with microprocessor, the relay interface that links to each other with microprocessor through second bus is with the relay interface a plurality of relays that link to each other respectively and the contactor or the solid-state relay that link to each other with the part relay.

3. the control system that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device according to claim 2; It is characterized in that: described relay comprises first relay that links to each other with cross valve (5), the 3rd magnetic valve (16), the 4th magnetic valve (17); Second relay that links to each other with first magnetic valve (14); The 3rd relay that links to each other with second magnetic valve (15); The 4th relay that links to each other with humidifier (13) warp first contactor or solid-state relay; With the 5th relay that compressor (3) links to each other through second contactor, the 6th relay that links to each other with inner blower (12) warp the 3rd contactor or solid-state relay, the 7th relay that links to each other with outer blower fan (2) warp the 4th contactor or solid-state relay.

4. the control system that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device according to claim 3; It is characterized in that: described software section is directly to read the on-the-spot humidity that scene temperature that the programmable digital temperature sensor detected and programmable digital humidity sensor are detected by microprocessor; Compare according to the temperature that is detected, humidity and design temperature, humidity; According to certain control program, control cross valve (5), each magnetic valve, the break-make of humidifier (13) and the start and stop of compressor (3).

5. the control system that has the constant-temperature constant-humidity air-conditioner of heat pump type dehumidifying device according to claim 4 is characterized in that: described control program, and its step is following: