CN206593331U - A kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units - Google Patents
A kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units Download PDFInfo
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- CN206593331U CN206593331U CN201621456706.XU CN201621456706U CN206593331U CN 206593331 U CN206593331 U CN 206593331U CN 201621456706 U CN201621456706 U CN 201621456706U CN 206593331 U CN206593331 U CN 206593331U
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Abstract
The utility model discloses a kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, including：Electric cabinet, condenser, compressor, secondary oil separator, four-way reversing valve, finned heat exchanger, knockout, expansion valve, check valve, liquid reservoir, device for drying and filtering, magnetic valve, flooded evaporator, gas-liquid separator, jet pump.The utility model carries out intelligent control by using to secondary oil separator oil return all the way, the oil return of flooded evaporator, simultaneously to unit axial flow blower grading control, the Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units are made to throw the problem of oil return is unstable, cryogenic refrigeration runtime is unstable in oil, running during overcoming compressor start, so as to ensure unit can under annual environment continuous service, sufficient recirculated cooling water is provided for equipment, it is ensured that normal, the safe handling of equipment.
Description
Technical field
The utility model is related to artificial cooling technical field, more particularly to a kind of Anti-seismic air-cooled heat pump full-liquid type cooling-water machine
Group and its control method.
Background technology
At present, the air-cooled full-liquid type handpiece Water Chilling Units of in the market application can not meet shockproof requirements substantially, some specific
Field, also requires air-conditioning equipment whole year operation, compared with still needing to refrigerating operaton under low ambient temperature.
Compared with low ambient temperature, occurs " throwing during the air-cooled full-liquid type handpiece Water Chilling Units compressor start of Anti-seismic once in a while
It is oily " and shut down, cause compressor oil level alarm shutdown because oil return is unstable during long-play, especially compared with low environment temperature
Fluctuation of service is more protruded during refrigeration system under degree.In order to solve the air-cooled full-liquid type handpiece Water Chilling Units of Anti-seismic in compressor start
During the problems such as oil return during " throw oil ", long-play is unstable occurs once in a while.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is that compressor start can be overcome by providing one kind
During the problem of " throw oil " excessive, oil return is unstable in running, and meet annual operation, and can be compared with low environment temperature
The Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units and its control method of the lower refrigerating operaton of degree.
The technical solution of the utility model is as follows：
A kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, wherein, including：
Electric cabinet for unit operation to be electricly connected and controlled with unit；
For by the compressor of low-temp low-pressure gaseous coolant boil down to high pressure gaseous refrigerant；
To turn into low temperature high for the high pressure gaseous refrigerant cooling by the compressor being discharged with heat exchange with outside
Press the condenser of liquid refrigerants；
Secondary oil separator for oil return；
The heating power expansion valve of the cryogenic high pressure refrigerant decompression for the liquid for discharging flooded evaporator during for heating operation；
The heat absorption of low-temp low-pressure liquid refrigerants is set to be vaporizated into the finned of the gaseous coolant of low-temp low-pressure during for heating operation
Heat exchanger；
The electric expansion valve of the cryogenic high pressure refrigerant decompression for the liquid for discharging finned heat exchanger during for refrigerating operaton；
The heat absorption of low-temp low-pressure liquid refrigerants is set to be vaporizated into the full-liquid type of the gaseous coolant of low-temp low-pressure during for refrigerating operaton
Evaporator；
For refrigerant to be evenly distributed to the knockout to evaporator；
Liquid reservoir for storing cryogenic high pressure liquid refrigerants；
For the device for drying and filtering that the cryogenic high pressure liquid refrigerants flowed out from the liquid reservoir is dried and filtered；
The gas-liquid separator of lime set recovery or gas phase purifying is realized for handling the gas containing lime set；
For by the jet pump of fuel oil injection to oil pump import；
Four-way reversing valve for refrigerating/heating switchover operation；
For the check valve for controlling refrigerant to flow to, the check valve includes：First check valve, the second check valve, the 3rd list
To valve, the 4th check valve；
And for controlling the first kind magnetic valve and Second Type magnetic valve of the compressor；
The compressor, the secondary oil separator, the four-way reversing valve, the finned heat exchanger, described point of liquid
Device, the heating power expansion valve, the electric expansion valve, the flooded evaporator, the jet pump are sequentially connected by pipeline；
The second interface end of the compressor is connected with the first interface end of the secondary oil separator, the secondary oil
Second interface end from device is connected with the interface end of the four-way reversing valve, the oil revolving end of the secondary oil separator and the pressure
Contracting machine first interface end is connected；
The interface end of the four-way reversing valve is connected with the first interface end of the finned heat exchanger, described finned to change
The second interface end of hot device is connected with the first interface end of the knockout, the second interface end of the knockout with it is described unidirectional
Valve is connected；
The check valve is connected with the first interface end of the electric expansion valve；
The second interface end of the electric expansion valve is connected with the first interface end of the flooded evaporator, the full liquid
The second interface end of formula evaporator is connected with the interface end of the four-way reversing valve；
The first interface end of the heating power expansion valve is connected with the second interface end of second check valve；
The second interface end of the knockout is connected with the second interface end of the heating power expansion valve；
The four-way reversing valve is arranged at the first interface at the compressor second interface end and the finned heat exchanger
Between end；
The secondary oil separator is arranged between the four-way reversing valve and the compressor second interface end.
A kind of described Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, wherein,
The finned heat exchanger includes：First finned heat exchanger, the second finned heat exchanger, the 3rd fin type heat exchange
Device, the 4th finned heat exchanger；
The knockout includes：First knockout, the second knockout, the 3rd knockout, the 4th knockout；
The four-way reversing valve interface end includes：First interface end, second interface end, the 3rd interface end, the 4th interface end；
The first kind magnetic valve is the first magnetic valve；
The Second Type magnetic valve includes：Second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve；
First finned heat exchanger, second finned heat exchanger, the 3rd finned heat exchanger, described
It is connected in parallel between four finned heat exchangers；
It is in parallel between first knockout, second knockout, the 3rd knockout, the 4th knockout to connect
Connect；
First finned heat exchanger and first knockout are connected in series, second finned heat exchanger and institute
State that the second knockout is connected in series, the 3rd finned heat exchanger and the 3rd knockout are connected in series, the 4th wing
Plate heat interchanger is connected in series with the 4th knockout；
The second interface end of first check valve is connected with the first interface end of the liquid reservoir, and the of the liquid reservoir
Two interface ends are connected with the first interface end of the device for drying and filtering, the second interface end of the device for drying and filtering and described first
The first interface end connection of magnetic valve, the second interface end of first magnetic valve and the first interface end of the 3rd check valve
Connection, the second interface end of the 3rd check valve is connected with the first interface end of the electric expansion valve, the electronic expansion
The second interface end of valve is connected with the first interface end of the flooded evaporator；
The first interface end of second check valve and the second interface end of first magnetic valve, the 3rd check valve
The connection of first interface end, the second interface end of second check valve is connected with the first interface end of the heating power expansion valve,
The second interface end of the heating power expansion valve connects with the first interface end of first check valve, the second of first knockout
Mouthful end, the second interface end of second knockout, the second interface end of the 3rd knockout, the of the 4th knockout
Two interface ends are connected；
The second interface end of the flooded evaporator is connected with the interface end of four-way reversing valve the 4th, and the four-way is changed
Be connected to the 3rd interface end of valve with the first interface end of the gas-liquid separator, the second interface end of the gas-liquid separator with
The first interface end connection of the compressor；
Commutated with the second interface end of the secondary oil separator, the four-way at the first interface end of second magnetic valve
The first interface end connection of valve, the second interface end of the second magnetic valve is connected with jet pump first interface end；
The first interface end of 3rd magnetic valve and the oil return opening of flooded evaporator are connected, and the second of the 3rd magnetic valve
Interface end is connected with jet pump second interface end；
The interface end of jet pump the 3rd and second interface end, the compressor first interface end of the gas-liquid separator
Connection.
A kind of described Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, wherein, the compressor first interface end and the
The oil pressure difference controller for controlling compressor two ends pressure difference is connected between two interface ends.
A kind of described Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, wherein, in addition to：For accelerating fin type heat exchange
The axial flow blower of device heat exchange；
It is additionally provided between the liquid reservoir second interface end and the device for drying and filtering first interface end for control shaft stream
The the first condensing pressure controller and the second condensing pressure controller of blower fan packet operation；
The first condensing pressure controller is the first axial flow blower, the second axial flow blower, the 5th axial flow blower, the 6th axle
Flow fan controlling switch；
The second condensing pressure controller is the 3rd axial flow blower, the 4th axial flow blower controlling switch.
A kind of described Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, wherein, the unit is additionally provided with framework, described
Bolt, locking nut of the installation of frame parts using more than 8.8 grades of anti-seismic performance grade.
A kind of described Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, wherein, the compressor is single screw compressor
Or single screw rod frequency-changeable compressor.
A kind of described Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, wherein, first magnetic valve and the compression
Machine interlocked control, is opened simultaneously, is closed simultaneously；
4th magnetic valve and the compressor interlocked control, compressor start setting time threshold value, the 4th magnetic valve
Open and close control is carried out according to the time threshold cycle of setting；
During compressor shutdown, the 4th magnetic valve is simultaneously closed off；
Second magnetic valve is interlocked with the 3rd magnetic valve, while open, close simultaneously；
Second magnetic valve, the 3rd magnetic valve in cooling mode with the compressor interlocked control, compressor
Start setting time threshold value, the second magnetic valve and the 3rd magnetic valve carry out Tong Guan according to the time threshold cycle of setting, open control together
System；
During compressor shutdown, second magnetic valve is simultaneously closed off with the 3rd magnetic valve with compressor；
Second magnetic valve, the 3rd magnetic valve are closed in a heating mode.
A kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units provided by the utility model, as a result of to secondary oil
Oil return, the oil return of flooded evaporator of separator all the way carry out intelligent control, system oil return can be made more efficient, while gram
The problem of oil is excessive is thrown when taking compressor start, so as to ensure the normal operation of compressor；Unit is according to flooded evaporator
Return water temperature adjusts the load or unload of compressor, it is ensured that unit is in energy-efficient state operation, greatlys save power,
Reduce operation cost；To unit axial flow blower grading control, i.e., according to the change of operating mode, adjusted by the control of condensing pressure
The air quantity of condenser, makes unit oil return stable and system is stable, so as to ensure that unit oil return is stable, annual safe, sustainable, steady
Surely run, and circulating water/hot water is provided, reliability is high, high cooling efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment described in the utility model
Figure.
Fig. 2 is the front view of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment.
Fig. 3 is the left view of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment.
Fig. 4 is the top view one of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment.
Fig. 5 is the top view two of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment.
Fig. 6 is the unit framework main view of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment
Figure.
Fig. 7 is the unit framework left view of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment
Figure.
Fig. 8 is the electric cabinet figure of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment.
Fig. 9 is the flooded evaporator office of the utility model Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units preferred embodiment
Portion's figure.
Embodiment
To make the purpose of this utility model, technical scheme and advantage clearer, clear and definite, develop simultaneously implementation referring to the drawings
The utility model is further described example.It should be appreciated that specific embodiment described herein is only to explain this practicality
It is new, it is not used to limit the utility model.
Fig. 1-2 is referred to, as shown in Figure 1-2, described Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, including：
Electric cabinet 30, compressor 1, condenser, secondary oil separator 2, heating power expansion valve 13, finned heat exchanger, electronics
Expansion valve 16, flooded evaporator 18, knockout, liquid reservoir 19, device for drying and filtering 20, gas-liquid separator 22, jet pump 25, four
Logical reversal valve 3, check valve, first kind magnetic valve and Second Type magnetic valve.Wherein, the compressor is single screw compressor
Or single screw rod frequency-changeable compressor.
The compressor 1, the secondary oil separator 2, the four-way reversing valve 3, the finned heat exchanger, described point
Liquid device, the heating power expansion valve 13, the electric expansion valve 16, the flooded evaporator 18, the jet pump 25 pass through pipe
Road is sequentially connected.
The second interface end of the compressor 1 is connected with the first interface end of the secondary oil separator 2, the secondary oil
The second interface end of separator 2 is connected with the interface end of the four-way reversing valve 3, the oil revolving end of the secondary oil separator 2 with
The first interface end of compressor 1 is connected；
The interface end of the four-way reversing valve 3 is connected with the first interface end of the finned heat exchanger, described finned
The second interface end of heat exchanger is connected with the first interface end of the knockout, and the second interface end of the knockout is single with first
Connected to the first interface end of valve 14；
The second interface end of 3rd check valve 15 is connected with the first interface end of the electric expansion valve 16；
The second interface end of the electric expansion valve 16 is connected with the first interface end of the flooded evaporator 18, described
The second interface end of flooded evaporator 18 is connected with the interface end of the four-way reversing valve；
The first interface end of the heating power expansion valve 13 is connected with the second interface end of second check valve 12；
The second interface end of the knockout is connected with the second interface end of the heating power expansion valve 13；
The four-way reversing valve 3 is arranged at the second interface end of compressor 1 and connect with the first of the finned heat exchanger
Between mouth end；
The secondary oil separator 2 is arranged between the four-way reversing valve 3 and the second interface end of the compressor 1.
Further, as shown in figure 1, the finned heat exchanger includes：First finned heat exchanger 4, second is finned
Heat exchanger 5, the 3rd finned heat exchanger 6, the 4th finned heat exchanger 7；
The knockout includes：First knockout 8, the second knockout 9, the 3rd knockout 10, the 4th knockout 11；
The four-way reversing valve includes：First interface end a, second interface end b, the 3rd interface end c, the 4th interface end d；
The check valve includes：First check valve 14, the second check valve 12, the 3rd check valve 15, the 4th check valve 17；
The first kind magnetic valve is the first magnetic valve 21；
The Second Type magnetic valve includes：Second magnetic valve 24, the 3rd magnetic valve 23, the 4th magnetic valve 26.
First finned heat exchanger 4, second finned heat exchanger 5, the 3rd finned heat exchanger 6, institute
State and be connected in parallel between the 4th finned heat exchanger 7；
Between first knockout 8, second knockout 9, the 3rd knockout 10, the 4th knockout 11
It is connected in parallel；
First finned heat exchanger 4 is connected in series with first knockout 8, second finned heat exchanger 5
It is connected in series with second knockout 9, the 3rd finned heat exchanger 6 is connected in series with the 3rd knockout 10, institute
The 4th finned heat exchanger 7 is stated to be connected in series with the 4th knockout 11；
The second interface end of first check valve 14 is connected with the first interface end of the liquid reservoir 19, the liquid reservoir
19 second interface end is connected with the first interface end of the device for drying and filtering 20, the second interface end of the device for drying and filtering 20
It is connected with the first interface end of first magnetic valve 21, the second interface end of first magnetic valve 21 and the described 3rd unidirectional
The first interface end connection of valve 23, the second interface end of the 3rd check valve 23 and the first interface of the electric expansion valve 16
End connection, the second interface end of the electric expansion valve 16 is connected with the first interface end of the flooded evaporator 18；
The first interface end of second check valve 24 and the second interface end of first magnetic valve 21, the 3rd list
Connected to the first interface end of valve 15, the second interface end of second check valve 12 connects with the first of the heating power expansion valve 13
The first interface end of the connection of mouth end, the second interface end of the heating power expansion valve 13 and first check valve 14, described first
The second interface end of knockout 8, the second interface end of second knockout 9, the second interface end of the 3rd knockout 10,
The second interface end connection of 4th knockout 11；
The second interface end of the flooded evaporator 18 is connected with the interface end of four-way reversing valve 3 the 4th, and described four
3rd interface end of logical reversal valve 3 is connected with the first interface end of the gas-liquid separator, and the second of the gas-liquid separator connects
Mouth end is connected with the first interface end of the compressor 1；
The first interface end of second magnetic valve 24 and the second interface end of the secondary oil separator 2, the four-way
The first interface end connection of reversal valve 3, the second interface end of the second magnetic valve 24 is connected with the first interface end e of jet pump 25；
The first interface end of 3rd magnetic valve 23 is connected with the oil return opening of flooded evaporator 18, the 3rd magnetic valve 23
Second interface end be connected with the second interface end f of jet pump 25；
The second interface end of the interface end g of jet pump 25 the 3rd and the gas-liquid separator, the compressor 1 first connect
The connection of mouth end.
The Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units described in the utility model are described in order to clearer, below
Further explain.As shown in figure 1, the four-way reversing valve 3 be arranged at the second interface end of compressor 1 with it is described finned
Between the first interface end of heat exchanger；The secondary oil separator 2 is arranged at the interface end and the pressure of the four-way reversing valve 3
Between the second interface end of contracting machine 1；
The first interface end d of the secondary oil separator 2 is connected with the second interface end of the compressor 1, described secondary
The second interface end p of oil eliminator 2 is connected with the first interface end a of the four-way reversing valve 3, the secondary oil separator 2
Oil revolving end q is connected with the first interface end of compressor 1 by the 4th magnetic valve 26；
The second interface end b of the four-way reversing valve 3 and first finned heat exchanger 4 first interface end, that is, enter
Mouth end（It is the port of export, i.e. second interface end when heating）Connection, the second interface end of first finned heat exchanger 4 goes out
Mouth end（It is arrival end, i.e. first interface end when heating）With the first interface end of first knockout 8, i.e. arrival end（Heat
When be the port of export, i.e. second interface end）Connection, the second interface end of first knockout 8, the i.e. port of export（Be when heating into
Mouth end, i.e. first interface end）It is connected with the first interface end of first check valve 14；
The second interface end b of the four-way reversing valve 3 and second finned heat exchanger 5 first interface end, that is, enter
Mouth end（It is the port of export, i.e. second interface end when heating）Connection, the second interface end of second finned heat exchanger 5 goes out
Mouth end（It is arrival end, i.e. first interface end when heating）With the first interface end of second knockout 9, i.e. arrival end（Heat
When be the port of export, i.e. second interface end）Connection, the second interface end of second knockout 9, the i.e. port of export（Be when heating into
Mouth end, i.e. first interface end）It is connected with the first interface end of first check valve 14；
The second interface end b of the four-way reversing valve 3 and the 3rd finned heat exchanger 6 first interface end, that is, enter
Mouth end（It is the port of export, i.e. second interface end when heating）Connection, the second interface end of the 3rd finned heat exchanger 6 goes out
Mouth end（It is arrival end, i.e. first interface end when heating）With the first interface end of the 3rd knockout 10, i.e. arrival end（Heat
When be the port of export, i.e. second interface end）Connection, the second interface end of the 4th knockout 11, the i.e. port of export（Be when heating into
Mouth end, i.e. first interface end）It is connected with the first interface end of first check valve 14；
The second interface end b of the four-way reversing valve 3 and the 4th finned heat exchanger 7 first interface end, that is, enter
Mouth end（It is the port of export, i.e. second interface end when heating）Connection, the second interface end of the 4th finned heat exchanger 7 goes out
Mouth end（It is arrival end, i.e. first interface end when heating）With the first interface end of the 4th knockout 11, i.e. arrival end（Heat
When be the port of export, i.e. second interface end）Connection, the second interface end of the 4th knockout 11, the i.e. port of export（Be when heating into
Mouth end, i.e. first interface end）It is connected with the first interface end of first check valve 14；
The first interface end of the electric expansion valve 16 and the second interface end of the finned heat exchanger, the i.e. port of export
（It is arrival end, i.e. first interface end during heating operation）It is connected；
The first interface end of the flooded evaporator 18, i.e. arrival end（It is the port of export, i.e. second interface during heating operation
End）It is connected with the second interface end of the electric expansion valve 16, the second interface end of the flooded evaporator 18, the i.e. port of export
（It is arrival end, i.e. first interface end during heating operation）It is connected with the first interface end of the compressor 1；
The first interface end of the heating power expansion valve 13 and the second interface end of the flooded evaporator 18, the i.e. port of export
（It is arrival end, i.e. first interface end during refrigerating operaton）It is connected.
The second interface end of first check valve 14 is connected with the first interface end of the liquid reservoir 19, the liquid reservoir
19 second interface end is connected with the first interface end of the device for drying and filtering 20, the second interface end of the device for drying and filtering 20
It is connected with the first interface end of first magnetic valve 21, the second interface end of first magnetic valve 21 and the described 3rd unidirectional
The first interface end connection of valve 15, the second interface end of the 3rd check valve 15 and the first interface of the electric expansion valve 16
End connection, the second interface end of the electric expansion valve 16 and the first interface end of the flooded evaporator 18, i.e. arrival end
（It is the port of export, i.e. second interface end when heating）Connection.
It is the second interface end of the first interface end of second check valve 12 and first magnetic valve 21, the described 3rd unidirectional
The first interface end connection of valve 15, the second interface end of second check valve 12 and the first interface of the heating power expansion valve 13
End connection, the first interface end of the second interface end of the heating power expansion valve 13 and first check valve 14, described first point
The second interface end of liquid device 8, the i.e. port of export（It is arrival end, i.e. first interface end when heating）, second knockout 9 second
Interface end（It is arrival end, i.e. first interface end when heating）, the 3rd knockout 10 second interface end, i.e. the port of export（System
It is arrival end, i.e. first interface end when hot）, the 4th knockout 11 second interface end, i.e. the port of export（It is entrance when heating
End, i.e. first interface end）Connection；
The second interface end of the flooded evaporator 18, the i.e. port of export（It is arrival end, i.e. first interface end when heating）
It is connected with the 4th interface end d of the four-way reversing valve 3, the 3rd interface end c and the gas-liquid separation of the four-way reversing valve 3
The first interface end connection of device 22, the second interface end of the gas-liquid separator 22 and the first interface end of the compressor 1 connect
Connect；
The first interface end of second magnetic valve 24 and the second interface end of the secondary oil separator 2, the four-way
The first interface end a connections of reversal valve 3, the second interface end of second magnetic valve 24 and the first interface of the jet pump 25
Hold e connections；
The first interface end of 3rd magnetic valve 23 and the first oil return opening h of the flooded evaporator 18, second time
Hydraulic fluid port i, the 3rd oil return opening k, the 4th oil return opening m connections, second interface end and the jet pump 25 of the 3rd magnetic valve 23
The f connections of second interface end；
3rd interface end g of the jet pump 25 and the second interface end of the gas-liquid separator 22, the compressor 1
First interface end is connected.
Further, as shown in figure 1, to connect an oil pressure between the first interface end of the compressor 1 and second interface end poor
Controller 29.
Further, as shown in figure 1, the second interface end of the liquid reservoir 19 and the first interface end of device for drying and filtering 20
Between be additionally provided with for control axial flow blower packet operation the first condensing pressure controller 27 and the second condensing pressure controller
28；
Wherein, the axial flow blower（Containing motor, not shown in figure）For accelerating finned heat exchanger.
The first condensing pressure controller 27 is the first axial flow blower 31（Containing motor, not shown in figure）, the second axle stream
Blower fan 32（Containing motor, not shown in figure）, the 5th axial flow blower 35（Containing motor, not shown in figure）, the 6th axial flow blower 36（Contain
Motor, not shown in figure）Controlling switch；
The second condensing pressure controller 28 is the 3rd axial flow blower 33（Containing motor, not shown in figure）, the 4th axle stream
Blower fan 34（Containing motor, not shown in figure）Controlling switch.
Further, also referring to Fig. 2~Fig. 9, as shown in Fig. 2~Fig. 9, the unit is additionally provided with framework.Specifically
Ground, framework sheet metal component, buttress brace, the critical component support member of the unit, which are used, is not less than the thick sheet materials of 3mm, and base uses groove
Steel 37 is designed, and framework is strengthened using 45 ° of diagonal brace buttress braces 38；
Further, as shown in Fig. 2~Fig. 9, the evaporator 18, compressor 1, the first finned heat exchanger 4, the second wing
Plate heat interchanger 5, the 3rd finned heat exchanger 6, the 4th finned heat exchanger 7, secondary oil separator 2, liquid reservoir 19, gas-liquid point
From the miscellaneous parts such as device 22, unit column 36 and support beam 42 installation using the bolt of more than 8.8 grades of performance rate, lock
Nut.
Further, first finned heat exchanger 4, the second finned heat exchanger 5, the 3rd finned heat exchanger 6,
Four finned heat exchangers 7 are using middle reinforcing plate 39, and upper head plate 40, bottom plate 41 are strengthened fixing, and the installation of condenser, which is fixed, adopts
With " people " font support beam 43.
Further, the surrounding of blower fan top plate 46 of the unit is strengthened using buttress brace 45, and motor mounting rack 44 passes through wind
Machine top plate 46 is fixed with buttress brace.
By arrangement above, the unit can keep its integrality under SL-2 earthquake loads, in SL-2 earthquake accidents
In and SL-2 earthquake accidents after remain to operate and keep its reliability.
Further, the electrical equipment 47 of the electric cabinet 30 is fixed with bolts in electric mounting board 48；It is automatically controlled
Case 30 is installed to be strengthened fixing using support frame 49；
Further, the water inlet pipe 50 of the evaporator 18, outlet pipe 51 are supported using support beam 52,53, support beam point
It is not connected with end cap 54 and water inlet pipe 50, outlet pipe 51.
Further, first magnetic valve 21 and the interlocked control of compressor 1, are opened simultaneously, are closed simultaneously；
4th magnetic valve 26 and the interlocked control of compressor 1, the compressor start setting time cycle（Such as
360s）, the 4th magnetic valve 26 according to time cycle of setting,（As 30s is opened, 60s is closed）Carry out open and close control；When described
During compressor shutdown, the 4th magnetic valve is simultaneously closed off；
Second magnetic valve 24 is interlocked with the valve of the 3rd electromagnetism 23, while open, close simultaneously；
Second magnetic valve 24, the 3rd magnetic valve 23 in cooling mode with the interlocked control of compressor 1, institute
State compressor 1 and start the setting time cycle（Such as 360s）, then the magnetic valve 23 of the second magnetic valve 24 and the 3rd is according to setting
Time cycle（As 30s is opened, 90s is closed）Carry out Tong Guan, open control together；When the compressor 1 is shut down, second magnetic valve 24
Simultaneously closed off with the 3rd magnetic valve 23 with the compressor 1.
Second magnetic valve 24, the 3rd magnetic valve 23 are closed in a heating mode.
Based on above-described embodiment Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units control model bag described in the utility model
Include two kinds of refrigeration mode and heating mode.
As shown in figure 1, process of refrigerastion medium flow direction is clockwise, otherwise process of refrigerastion medium flow direction is counterclockwise.Refrigeration
Process is that first, compressor 1 will be discharged after low-temp low-pressure gaseous coolant boil down to high pressure gaseous refrigerant, HTHP gas
State refrigerant enters back into the condenser, the condenser by with heat exchange with outside, the cooling of high pressure gaseous refrigerant is turned into
Cryogenic high pressure liquid refrigerants, then cryogenic high pressure liquid refrigerants is into liquid reservoir 19, next, the low temperature stored in liquid reservoir 19
High-pressure liquid refrigerant enters back into device for drying and filtering 20 and is dried and filters, after cryogenic high pressure liquid after dry filter
Refrigerant enters expansion valve, and the cryogenic high pressure liquid refrigerants after dry filter is converted into low-temp low-pressure liquid refrigerants by expansion valve；So
Low-temp low-pressure liquid refrigerants enters flooded evaporator 18 afterwards, and flooded evaporator 18 makes the heat absorption vaporization of low-temp low-pressure liquid refrigerants
For low-temp low-pressure gaseous coolant, last low-temp low-pressure gaseous coolant returns to compressor 1, completes a process of refrigerastion.
Specifically, the refrigeration mode specifically includes following steps：
S110：After unit is powered, input refrigeration instruction starts unit, and first magnetic valve is beaten simultaneously with the compressor
Open；The oil pressure difference controller is in masked state in the setting time after the compressor start；
S120：Unit passes through axial flow blower described in the set value calculation of condensing pressure controller（Containing motor）Open, stop；
Specifically, in the step 120, the first axial flow blower described in the set value calculation of the first condensing pressure controller is passed through
31（Containing motor）, second axial flow blower 32（Containing motor）, the 5th axial flow blower 35（Containing motor）, the 6th axle stream
Blower fan 36（Containing motor）Open, stop；Pass through the 3rd axial flow blower 33 described in the set value calculation of the second condensing pressure controller（Contain
Motor）, the 4th axial flow blower 34（Containing motor）Open, stop；
S130：4th magnetic valve is in the compressor start setting time（Such as 360s）Afterwards according to the time threshold of setting
Phase on weekly duty（As 30s is opened, 60s is closed）Carry out open and close control；When the compressor shutdown, the 4th magnetic valve is simultaneously closed off；
S140：Second magnetic valve, the 3rd magnetic valve are in the compressor start setting time threshold value（Such as
360s）Afterwards according to the time cycle of setting（As 30s is opened, 90s is closed）Carry out Tong Guan, open control together；When the compressor shutdown,
Second magnetic valve is simultaneously closed off with the 3rd magnetic valve with compressor；
The heating mode specifically includes following steps：
S210：After unit is powered, input heats instruction and starts unit, the axial flow blower（Containing motor）Start immediately；
S220：The axial flow blower（Containing motor）Compressor start after startup, first magnetic valve is with the compressor
Open simultaneously；Second magnetic valve, the 3rd magnetic valve are closed all the time；The oil pressure difference controller is described
Masked state is in the time cycle set after compressor start.
Specifically, the axial flow blower（Containing motor）Start compressor after 20s immediately to start, because before compressor start having
One forced unloading time（Such as 20s）, to ensure during compressor start to start under minimum load state, and first electricity
Magnet valve is opened simultaneously with the compressor；Second magnetic valve, the 3rd magnetic valve are closed all the time；Oil pressure difference control
Device is set after compressor start is in masked state in certain period.
S230：4th magnetic valve is carried out after the time that the compressor start is set according to the time cycle of setting
Open and close are controlled；When the compressor shutdown, the 4th magnetic valve is simultaneously closed off.Specifically, the 4th magnetic valve is in pressure
Contracting machine, which starts, sets certain time（Such as 360s）Switch control is carried out according to the setting time cycle afterwards（As 30s is opened, 60s is closed）；Work as pressure
When contracting machine is shut down, the 4th magnetic valve 26 is simultaneously closed off.
In summary, the Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units that the utility model is provided, as a result of to two
Oil return, the oil return of flooded evaporator of secondary oil eliminator all the way carry out intelligent control, system oil return can be made more efficient, together
When throw the problem of oil is excessive when overcoming compressor start, so as to ensure the normal operation of compressor；Unit evaporates according to full-liquid type
The return water temperature of device adjusts the load or unload of compressor, it is ensured that unit is in energy-efficient state operation, greatlys save
Power, reduces operation cost；To unit axial flow blower grading control, i.e., according to the change of operating mode, pass through the control of condensing pressure
To adjust the air quantity of condenser, make unit oil return stable and system is stable, so as to ensure that unit oil return is stable, whole year is safe, can
Continue, stably run, and circulating water/hot water is provided, reliability is high, high cooling efficiency.
It should be appreciated that application of the present utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come
Say, can according to the above description be improved or converted, all these modifications and variations should all belong to the appended power of the utility model
The protection domain that profit is required.
Claims (7)
1. a kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units, it is characterised in that including：
Electric cabinet for unit operation to be electricly connected and controlled with unit；
For by the compressor of low-temp low-pressure gaseous coolant boil down to high pressure gaseous refrigerant；
For the high pressure gaseous refrigerant cooling by the compressor being discharged with heat exchange with outside turn into cryogenic high pressure liquid
The condenser of state refrigerant；
Secondary oil separator for oil return；
The heating power expansion valve of the cryogenic high pressure refrigerant decompression for the liquid for discharging flooded evaporator during for heating operation；
The heat absorption of low-temp low-pressure liquid refrigerants is set to be vaporizated into the fin type heat exchange of the gaseous coolant of low-temp low-pressure during for heating operation
Device；
The electric expansion valve of the cryogenic high pressure refrigerant decompression for the liquid for discharging finned heat exchanger during for refrigerating operaton；
The heat absorption of low-temp low-pressure liquid refrigerants is set to be vaporizated into the full-liquid type evaporation of the gaseous coolant of low-temp low-pressure during for refrigerating operaton
Device；
For refrigerant to be evenly distributed to the knockout to evaporator；
Liquid reservoir for storing cryogenic high pressure liquid refrigerants；
For the device for drying and filtering that the cryogenic high pressure liquid refrigerants flowed out from the liquid reservoir is dried and filtered；
The gas-liquid separator of lime set recovery or gas phase purifying is realized for handling the gas containing lime set；
For by the jet pump of fuel oil injection to oil pump import；
Four-way reversing valve for refrigerating/heating switchover operation；
For the check valve for controlling refrigerant to flow to, the check valve includes：First check valve, the second check valve, the 3rd check valve,
4th check valve；
And for controlling the first kind magnetic valve and Second Type magnetic valve of the compressor；
The compressor, the secondary oil separator, the four-way reversing valve, the finned heat exchanger, the knockout, institute
Heating power expansion valve, the electric expansion valve, the flooded evaporator, the jet pump is stated to be sequentially connected by pipeline；
The second interface end of the compressor is connected with the first interface end of the secondary oil separator, the secondary oil separator
Second interface end be connected with the interface end of the four-way reversing valve, the oil revolving end of the secondary oil separator and the compressor
First interface end is connected；
The interface end of the four-way reversing valve is connected with the first interface end of the finned heat exchanger, the finned heat exchanger
Second interface end be connected with the first interface end of the knockout, the second interface end of the knockout connects with the check valve
Connect；
The check valve is connected with the first interface end of the electric expansion valve；
The second interface end of the electric expansion valve is connected with the first interface end of the flooded evaporator, and the full-liquid type steams
The second interface end of hair device is connected with the interface end of the four-way reversing valve；
The first interface end of the heating power expansion valve is connected with the second interface end of second check valve；
The second interface end of the knockout is connected with the second interface end of the heating power expansion valve；
The four-way reversing valve be arranged at the compressor second interface end and the finned heat exchanger first interface end it
Between；
The secondary oil separator is arranged between the four-way reversing valve and the compressor second interface end.
2. Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units according to claim 1, it is characterised in that
The finned heat exchanger includes：First finned heat exchanger, the second finned heat exchanger, the 3rd finned heat exchanger,
4th finned heat exchanger；
The knockout includes：First knockout, the second knockout, the 3rd knockout, the 4th knockout；
The four-way reversing valve interface end includes：First interface end, second interface end, the 3rd interface end, the 4th interface end；
The first kind magnetic valve is the first magnetic valve；
The Second Type magnetic valve includes：Second magnetic valve, the 3rd magnetic valve, the 4th magnetic valve；
First finned heat exchanger, second finned heat exchanger, the 3rd finned heat exchanger, the 4th wing
It is connected in parallel between plate heat interchanger；
It is connected in parallel between first knockout, second knockout, the 3rd knockout, the 4th knockout；
First finned heat exchanger and first knockout are connected in series, second finned heat exchanger and described the
Two knockouts are connected in series, the 3rd finned heat exchanger is connected in series with the 3rd knockout, the described 4th finned
Heat exchanger is connected in series with the 4th knockout；
The second interface end of first check valve is connected with the first interface end of the liquid reservoir, and the second of the liquid reservoir connects
Mouth end is connected with the first interface end of the device for drying and filtering, the second interface end of the device for drying and filtering and first electromagnetism
The first interface end connection of valve, the second interface end of first magnetic valve and the first interface end of the 3rd check valve connect
Connect, the second interface end of the 3rd check valve is connected with the first interface end of the electric expansion valve, the electric expansion valve
Second interface end be connected with the first interface end of the flooded evaporator；
The second interface end of the first interface end of second check valve and first magnetic valve, the of the 3rd check valve
One interface end is connected, and the second interface end of second check valve is connected with the first interface end of the heating power expansion valve, described
The second interface end of heating power expansion valve and the first interface end of first check valve, the second interface of first knockout
End, the second interface end of second knockout, the second interface end of the 3rd knockout, the second of the 4th knockout
Interface end is connected；
The second interface end of the flooded evaporator is connected with the interface end of four-way reversing valve the 4th, the four-way reversing valve
The 3rd interface end be connected with the first interface end of the gas-liquid separator, the second interface end of the gas-liquid separator with it is described
The first interface end connection of compressor；
The first interface end of second magnetic valve and the second interface end of the secondary oil separator, the four-way reversing valve
First interface end is connected, and the second interface end of the second magnetic valve is connected with jet pump first interface end；
The first interface end of 3rd magnetic valve and the oil return opening of flooded evaporator are connected, the second interface of the 3rd magnetic valve
End is connected with jet pump second interface end；
The interface end of jet pump the 3rd and second interface end, the compressor first interface end of the gas-liquid separator connect
Connect.
3. Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units according to claim 2, it is characterised in that the compressor
The oil pressure difference controller for controlling compressor two ends pressure difference is connected between one interface end and second interface end.
4. Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units according to claim 3, it is characterised in that also include：For
Accelerate the axial flow blower of finned heat exchanger heat exchange；
It is additionally provided between the liquid reservoir second interface end and the device for drying and filtering first interface end for controlling axial flow blower
It is grouped the first condensing pressure controller and the second condensing pressure controller of operation；
The first condensing pressure controller is the first axial flow blower, the second axial flow blower, the 5th axial flow blower, the 6th axle stream wind
Machine controlling switch；
The second condensing pressure controller is the 3rd axial flow blower, the 4th axial flow blower controlling switch.
5. Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units according to claim 4, it is characterised in that the unit is also set
It is equipped with framework, bolt, the locking nut of the installation of the frame parts using more than 8.8 grades of anti-seismic performance grade.
6. Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units according to claim 5, it is characterised in that the compressor is
Single screw compressor or single screw rod frequency-changeable compressor.
7. Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units according to claim 6, it is characterised in that first electromagnetism
Valve and the compressor interlocked control, are opened simultaneously, are closed simultaneously；
4th magnetic valve and the compressor interlocked control, compressor start setting time threshold value, the 4th magnetic valve according to
The time threshold cycle of setting carries out open and close control；
During compressor shutdown, the 4th magnetic valve is simultaneously closed off；
Second magnetic valve is interlocked with the 3rd magnetic valve, while open, close simultaneously；
Second magnetic valve, the 3rd magnetic valve in cooling mode with the compressor interlocked control, compressor start
Setting time threshold value, the second magnetic valve and the 3rd magnetic valve carry out Tong Guan according to the time threshold cycle of setting, open control together；
During compressor shutdown, second magnetic valve is simultaneously closed off with the 3rd magnetic valve with compressor；
Second magnetic valve, the 3rd magnetic valve are closed in a heating mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456706.XU CN206593331U (en) | 2016-12-28 | 2016-12-28 | A kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621456706.XU CN206593331U (en) | 2016-12-28 | 2016-12-28 | A kind of Anti-seismic air-cooled heat pump full-liquid type handpiece Water Chilling Units |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524559A (en) * | 2016-12-28 | 2017-03-22 | 广东申菱环境系统股份有限公司 | Anti-vibration type air cooled heat pump flooded water chilling unit and control method thereof |
| CN108759206A (en) * | 2018-06-15 | 2018-11-06 | 重庆美的通用制冷设备有限公司 | The purification method for controlling oil return of handpiece Water Chilling Units and handpiece Water Chilling Units |
| WO2023040297A1 (en) * | 2021-09-19 | 2023-03-23 | 青岛海尔空调器有限总公司 | Heat exchanger and refrigeration cycle system |
-
2016
- 2016-12-28 CN CN201621456706.XU patent/CN206593331U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524559A (en) * | 2016-12-28 | 2017-03-22 | 广东申菱环境系统股份有限公司 | Anti-vibration type air cooled heat pump flooded water chilling unit and control method thereof |
| CN108759206A (en) * | 2018-06-15 | 2018-11-06 | 重庆美的通用制冷设备有限公司 | The purification method for controlling oil return of handpiece Water Chilling Units and handpiece Water Chilling Units |
| WO2023040297A1 (en) * | 2021-09-19 | 2023-03-23 | 青岛海尔空调器有限总公司 | Heat exchanger and refrigeration cycle system |
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