CN102901268B - Heat supplying function and air conditioning function switching device of waterway switching heat pump system - Google Patents

Heat supplying function and air conditioning function switching device of waterway switching heat pump system Download PDF

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Publication number
CN102901268B
CN102901268B CN201210401073.2A CN201210401073A CN102901268B CN 102901268 B CN102901268 B CN 102901268B CN 201210401073 A CN201210401073 A CN 201210401073A CN 102901268 B CN102901268 B CN 102901268B
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tube connector
storage tank
water storage
tapping pipe
valve
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CN102901268A (en
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张承虎
李亚平
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Harbin Institute of Technology
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Harbin Institute of Technology
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Abstract

The invention discloses a heat supplying function and air conditioning function switching device of a waterway switching heat pump system, relates to a switching device of a heat pump system and aims to solve the problems that when the heat supplying and air conditioning functions of the heat pump system are switched by depending on starting and stopping of the conventional waterway valve group, valves are complexly operated, and leakage cannot be found. According to a scheme 1, a first connection pipe, a second connection pipe, a third connection pipe, and a fourth connection pipe are parallelly arranged on the same plane, operation directions of valves on the first connection pipe and the third connection pipe are the same, operation directions of valves on the second connection pipe and the fourth connection pipe are the same, four valves which are arranged on the upper part and positioned on the same horizontal straight line are respectively connected with one valve shaft; four valves which are arranged on the lower part and positioned on the same horizontal straight line are respectively connected with the other valve shaft; and a hand wheel is arranged at the end of each valve shaft. According to a scheme 3, a first water storage box and a second water storage box are parallelly arranged longitudinally, and a first connection pipe, a second connection pipe, a third connection pipe, and a fourth connection pipe are arranged in a square mode. The heat supplying function and air conditioning function switching device is applied to a water source heat pump system.

Description

Water route switches heat pump heat supply and air conditioning function change-over device
Technical field
The present invention relates to a kind of switching device shifter of heat pump, be specifically related to a kind of water route and switch heat pump heat supply and air conditioning function change-over device.
Background technology
Heat pump will realize Winter heat supply, the function switching of summer air-conditioning mainly contains two kinds of forms: one is pusher side switch mode, namely in source pump, relies on four-way change-over valve, carrys out practical function switch by the flow direction of switching cold-producing medium; Another kind is water route switch mode, namely outside source pump, relies on the difference of at least eight valves to open and close combination, carrys out practical function switch by the flow direction of switching low level heat energy water and end recirculated water.At present, the water route switch mode application of heat pump is more extensive, but also there is following problem in water route switch mode: the valve that, practical function switches reaches more than eight, number is various, and the combination opened and closed is also a lot, operation is very complicated, when administrative staff's specialized capability is not high, as easy as rolling off a logly occurs maloperation.Two, when heat pump runs, due to the pressure very different between low level heat energy water and end recirculated water, this pressure relies on valve completely to intercept and bears, therefore be easy to seepage occurs, and this seepage cannot find, if direct-type sewage source heat pump system, this seepage must cause the secondary pollution of end recirculated water.Three, for the direct-type sewage source heat pump system that development is at present swift and violent, when summer in winter power and energy, in order to avoid sewage pollution end recirculated water, must sluice to common-use tunnel and clean, this operation be difficult to realize.
Summary of the invention
The function switching existence that the object of the invention is to realize to solve the keying of existing dependence Water path valve group heat pump heat supply and air conditioning operates very complexity, seepage and cannot find, clean difficult problem, provides a kind of water route switching heat pump heat supply and air conditioning function change-over device.
The solution of the present invention one: water route switches heat pump heat supply and air conditioning function change-over device and comprises two function switching devices, every platform function switching device comprises the first water storage tank, second water storage tank, 3rd water storage tank, 4th water storage tank, first tube connector, second tube connector, 3rd tube connector, 4th tube connector, first tapping pipe, second tapping pipe, 3rd tapping pipe, 4th tapping pipe, two valve shafts, two handwheels and eight valves, second water storage tank is arranged on the below of the first water storage tank, 3rd water storage tank and the 4th water storage tank set gradually along same level line, second water storage tank is arranged on the top of the 3rd water storage tank and the 4th water storage tank, first water storage tank is provided with the first perforate, second water storage tank is provided with the second perforate, 3rd water storage tank is provided with the 3rd perforate, 4th water storage tank is provided with the 4th perforate, described first water storage tank is connected by the first tube connector with the 3rd water storage tank, first water storage tank is connected by the 4th tube connector with the 4th water storage tank, described second water storage tank is connected by the second tube connector with the 3rd water storage tank, second water storage tank is connected by the 3rd tube connector with the 4th water storage tank, first tube connector, second tube connector, 3rd tube connector and the 4th tube connector are arranged in parallel in same plane, first tube connector, second tube connector, 3rd tube connector and the 4th tube connector upper, bottom installs a valve respectively, first tube connector is identical with the valve operation direction on the 3rd tube connector, second tube connector is identical with the valve operation direction on the 4th tube connector, first tapping pipe is arranged on the middle part of the first tube connector, second tapping pipe is arranged on the middle part of the second tube connector, 3rd tapping pipe is arranged on the middle part of the 3rd tube connector, 4th tapping pipe is arranged on the middle part of the 4th tube connector, four valves being in same level linear position of top are all connected with a valve shaft, four valves being in same level linear position of below are all connected with another valve shaft, a handwheel is installed in the end of each valve shaft, two function switching device apart arrangement.
The solution of the present invention two: water route switches heat pump heat supply and air conditioning function change-over device and comprises two function switching devices, every platform function switching device comprises the first water storage tank, second water storage tank, 3rd water storage tank, 4th water storage tank, first tube connector, second tube connector, 3rd tube connector, 4th tube connector, first tapping pipe, second tapping pipe, 3rd tapping pipe, 4th tapping pipe, two valve shafts, two handwheels and eight valves, second water storage tank is arranged on the below of the first water storage tank, 3rd water storage tank and the 4th water storage tank set gradually along same level line, second water storage tank is arranged on the top of the 3rd water storage tank and the 4th water storage tank, first water storage tank is provided with the first perforate, second water storage tank is provided with the second perforate, 3rd water storage tank is provided with the 3rd perforate, 4th water storage tank is provided with the 4th perforate, described first water storage tank is connected by the first tube connector with the 3rd water storage tank, first water storage tank is connected by the 4th tube connector with the 4th water storage tank, described second water storage tank is connected by the second tube connector with the 3rd water storage tank, second water storage tank is connected by the 3rd tube connector with the 4th water storage tank, first tube connector, second tube connector, 3rd tube connector and the 4th tube connector are arranged in parallel in same plane, first tube connector, second tube connector, 3rd tube connector and the 4th tube connector upper, bottom installs a valve respectively, first tube connector is identical with the valve operation direction on the 3rd tube connector, second tube connector is identical with the valve operation direction on the 4th tube connector, first tapping pipe is arranged on the middle part of the first tube connector, second tapping pipe is arranged on the middle part of the second tube connector, 3rd tapping pipe is arranged on the middle part of the 3rd tube connector, 4th tapping pipe is arranged on the middle part of the 4th tube connector, four valves being in same level linear position of top are all connected with a valve shaft, four valves being in same level linear position of below are all connected with another valve shaft, a handwheel is installed in the end of each valve shaft, two function switching devices are set up in parallel, eight valves of top are in same level linear position, top same row two valve shafts without handwheel one end extension and be fixed together, eight valves of top are in same level linear position, below same row two valve shafts without handwheel one end extension and be fixed together.
The solution of the present invention three: water route switches heat pump heat supply and air conditioning function change-over device and comprises two function switching devices, every platform function switching device comprises the first water storage tank, second water storage tank, 3rd water storage tank, 4th water storage tank, first tube connector, second tube connector, 3rd tube connector, 4th tube connector, first tapping pipe, second tapping pipe, 3rd tapping pipe, 4th tapping pipe, four valve shafts, four handwheels and eight valves, second water storage tank and the first water storage tank are arranged side by side, 3rd water storage tank and the 4th water storage tank set gradually along same level line, first water storage tank and the second water storage tank are arranged on the top of the 3rd water storage tank and the 4th water storage tank, first water storage tank is provided with the first perforate, second water storage tank is provided with the second perforate, 3rd water storage tank is provided with the 3rd perforate, 4th water storage tank is provided with the 4th perforate, described first water storage tank is connected by the first tube connector with the 3rd water storage tank, first water storage tank is connected by the 4th tube connector with the 4th water storage tank, described second water storage tank is connected by the second tube connector with the 3rd water storage tank, second water storage tank is connected by the 3rd tube connector with the 4th water storage tank, first tube connector and the 4th tube connector are arranged in parallel in same plane, second tube connector and the 3rd tube connector are arranged in parallel in same plane, first tube connector, second tube connector, 3rd tube connector and the 4th tube connector upper, bottom installs a valve respectively, first tube connector is identical with the valve operation direction on the 3rd tube connector, second tube connector is identical with the valve operation direction on the 4th tube connector, first tapping pipe is arranged on the middle part of the first tube connector, second tapping pipe is arranged on the middle part of the second tube connector, 3rd tapping pipe is arranged on the middle part of the 3rd tube connector, 4th tapping pipe is arranged on the middle part of the 4th tube connector, two valves that first tube connector and the top of the 4th tube connector are in same level linear position are all connected with a valve shaft, two valves that first tube connector and the below of the 4th tube connector are in same level linear position are all connected with a valve shaft, two valves that second tube connector and the top of the 3rd tube connector are in same level linear position are all connected with a valve shaft, two valves that second tube connector and the below of the 3rd tube connector are in same level linear position are all connected with a valve shaft, a handwheel is installed in the end of each valve shaft, two function switching device apart arrangement.
The solution of the present invention four: water route switches heat pump heat supply and air conditioning function change-over device and comprises two function switching devices, every platform function switching device comprises the first water storage tank, second water storage tank, 3rd water storage tank, 4th water storage tank, first tube connector, second tube connector, 3rd tube connector, 4th tube connector, first tapping pipe, second tapping pipe, 3rd tapping pipe, 4th tapping pipe, four valve shafts, four handwheels and eight valves, second water storage tank and the first water storage tank are arranged side by side, 3rd water storage tank and the 4th water storage tank set gradually along same level line, first water storage tank and the second water storage tank are arranged on the top of the 3rd water storage tank and the 4th water storage tank, first water storage tank is provided with the first perforate, second water storage tank is provided with the second perforate, 3rd water storage tank is provided with the 3rd perforate, 4th water storage tank is provided with the 4th perforate, described first water storage tank is connected by the first tube connector with the 3rd water storage tank, first water storage tank is connected by the 4th tube connector with the 4th water storage tank, described second water storage tank is connected by the second tube connector with the 3rd water storage tank, second water storage tank is connected by the 3rd tube connector with the 4th water storage tank, first tube connector and the 4th tube connector are arranged in parallel in same plane, second tube connector and the 3rd tube connector are arranged in parallel in same plane, first tube connector, second tube connector, 3rd tube connector and the 4th tube connector upper, bottom installs a valve respectively, first tube connector is identical with the valve operation direction on the 3rd tube connector, second tube connector is identical with the valve operation direction on the 4th tube connector, first tapping pipe is arranged on the middle part of the first tube connector, second tapping pipe is arranged on the middle part of the second tube connector, 3rd tapping pipe is arranged on the middle part of the 3rd tube connector, 4th tapping pipe is arranged on the middle part of the 4th tube connector, two valves that first tube connector and the top of the 4th tube connector are in same level linear position are all connected with a valve shaft, two valves that first tube connector and the below of the 4th tube connector are in same level linear position are all connected with a valve shaft, two valves that second tube connector and the top of the 3rd tube connector are in same level linear position are all connected with a valve shaft, two valves that second tube connector and the below of the 3rd tube connector are in same level linear position are all connected with a valve shaft, a handwheel is installed in the end of each valve shaft, two function switching devices are set up in parallel, four valves of the same row of top are in same level linear position, four valves of the same row of below are in same level linear position, two valve shafts of same row without handwheel one end extension and be fixed together.
The present invention compared with prior art has following beneficial effect: one, the valve of the valve and inverse operation with same operation is connected on same valve shaft and carries out unified operation by the present invention, considerably reduce the number of times of valve operation and open and close identification difficulty, easy and simple to handle, eliminate the possibility of maloperation.Two, the present invention is provided with the identical valve of two operations in same connection pipeline section, tube connector is divided into three sections, and is provided with inspection spilled water hole at interlude, when after the valve closing of two on this connecting piece, even if the seepage of there occurs, can by checking that spilled water hole is found.Three, the present invention is applied to direct-type sewage source heat pump system, when heat supply and air conditioning function switch, only need be clean by the sewage discharge in apparatus of the present invention, and the 3rd water storage tank or the 4th water storage tank are cleaned up, simple to operate, sewage pollution end recirculated water can be avoided.
Accompanying drawing explanation
Fig. 1 is the structural front view of the specific embodiment of the invention one, Fig. 2 is the left view of Fig. 1, Fig. 3 is the A-A sectional view of Fig. 1, Fig. 4 is the B-B sectional view of Fig. 1, Fig. 5 is the structural front view of the specific embodiment of the invention two, Fig. 6 is the left view of Fig. 5, Fig. 7 is the C-C sectional view of Fig. 5, Fig. 8 is the D-D sectional view of Fig. 5, Fig. 9 is the structural front view of the specific embodiment of the invention three, Figure 10 is the left view of Fig. 9, Figure 11 is the right view of Fig. 9, Figure 12 is the E-E sectional view of Fig. 9, Figure 13 is the F-F sectional view of Fig. 9, Figure 14 is the structural front view of the specific embodiment of the invention four, Figure 15 is the left view of Figure 14, Figure 16 is the G-G sectional view of Figure 14, Figure 17 is the H-H sectional view of Figure 14, Figure 18 be in detailed description of the invention one two function switching devices for the using state figure of direct-type sewage source heat pump system, Figure 19 be in detailed description of the invention two two function switching devices for the using state figure of direct-type sewage source heat pump system.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 ~ Fig. 4 illustrates present embodiment, present embodiment comprises two function switching devices, every platform function switching device comprises the first water storage tank 1, second water storage tank 2, 3rd water storage tank 3, 4th water storage tank 4, first tube connector 8, second tube connector 9, 3rd tube connector 10, 4th tube connector 11, first tapping pipe 12, second tapping pipe 13, 3rd tapping pipe 14, 4th tapping pipe 15, two valve shafts 6, two handwheels 7 and eight valves 5, second water storage tank 2 is arranged on the below of the first water storage tank 1, 3rd water storage tank 3 and the 4th water storage tank 4 set gradually along same level line, second water storage tank 2 is arranged on the top of the 3rd water storage tank 3 and the 4th water storage tank 4, first water storage tank 1 is provided with the first perforate 16, second water storage tank 2 is provided with the second perforate 17, 3rd water storage tank 3 is provided with the 3rd perforate 18, 4th water storage tank 4 is provided with the 4th perforate 19, first water storage tank 1 is connected by the first tube connector 8 with the 3rd water storage tank 3, first water storage tank 1 is connected by the 4th tube connector 11 with the 4th water storage tank 4, second water storage tank 2 is connected by the second tube connector 9 with the 3rd water storage tank 3, second water storage tank 2 is connected by the 3rd tube connector 10 with the 4th water storage tank 4, first tube connector 8, second tube connector 9, 3rd tube connector 10 and the 4th tube connector 11 are arranged in parallel in same plane, first tube connector 8, second tube connector 9, 3rd tube connector 10 and the 4th tube connector 11 upper, bottom installs a valve 5 respectively, first tube connector 8 is identical with valve 5 direction of operating on the 3rd tube connector 10, second tube connector 9 is identical with valve 5 direction of operating on the 4th tube connector 11, valve 5 on first tube connector 8 and the 3rd tube connector 10 is contrary with the valve 5 valve position state on the second tube connector 9 and the 4th tube connector 11, namely when the valve 5 on the first tube connector 8 and the 3rd tube connector 10 is closed completely, valve 5 on second tube connector 9 and the 4th tube connector 11 is opened completely.First tapping pipe 12 is arranged on the middle part of the first tube connector 8, second tapping pipe 13 is arranged on the middle part of the second tube connector 9,3rd tapping pipe 14 is arranged on the middle part of the 3rd tube connector 10,4th tapping pipe 15 is arranged on the middle part of the 4th tube connector 11, four valves 5 being in same level linear position of top are all connected with a valve shaft 6, four valves 5 being in same level linear position of below are all connected with another valve shaft 6, a handwheel 7 is installed in the end of each valve shaft 6, two function switching device apart arrangement, are shown in Figure 18.3rd water storage tank 3 and the 4th water storage tank 4 are same casing, and use lower clapboard 20 to be separated by casing, this casing can be the mode that upper box is connected with lower box half flange; This casing can also be end face dismounting mode, is convenient to the disassembly, cleaning of the 3rd water storage tank 3 and the 4th water storage tank 4 like this.Valve 5 uses ball valve, and ball valve has compact conformation, and sealing is reliable, and structure is simple, easy to maintenance, not easily by medium erosion, is easy to the feature of Operation and maintenance.
The course of work of present embodiment: as shown in figure 18, direct-type sewage source heat pump system is applied to for the present invention, by two function switching device access direct-type sewage source heat pump systems, first perforate 16 is connected with plumbing drain 21, second perforate 17 is connected with user's end 22 clear water pipeline, 3rd perforate 18 is connected with heat pump condenser 23 pipeline, and the 4th perforate 19 is connected with heat pump evaporimeter 24 pipeline.
1, when summer air-conditioning operating mode is run, operate two handwheels 7, opened by valve 5 on first tube connector 8 and the 3rd tube connector 10 (closing the first tapping pipe 12 and the 3rd tapping pipe 14), the valve 5 on the second tube connector 9 and the 4th tube connector 11 is closed simultaneously; During system cloud gray model, sewage supplies water and enters the first water storage tank 1 by the first perforate 16 on First function switching device M1, enters in the 3rd water storage tank 3, enter heat pump condenser 23 through the 3rd perforate 18 by the first tube connector 8; User's end 22 chilled water out (for clear water) backwater enters the second water storage tank 2 by the second perforate 17 on First function switching device M1, enter in the 4th water storage tank 4 through the 3rd tube connector 10, heat pump evaporimeter 24 is entered through the 4th perforate 19, the 3rd water storage tank 3 is entered by the 3rd opening 18 second function switching device M2 from heat pump condenser 23 sewage out, enter the first water storage tank 1 by the first tube connector 8, and the first perforate 16 on second function switching device M2 is discharged; The 4th water storage tank 4 is entered by the 4th opening 19 second function switching device M2 from heat pump evaporimeter 24 end chilled water (for clear water) out, the second water storage tank 2 is entered by the 3rd tube connector 10, and supply water to user's end 22 through the second perforate 17, achieve summer air-conditioning.Open the second tapping pipe 13 on the second tube connector 9 and the 4th tapping pipe 15 on the 4th tube connector 11, can real-time inspection valve 5 whether airtight tight, whether sewage and end recirculated water are revealed mutually.
When 2, carrying out the switching of Winter heat supply function, operate two handwheels 7, opened by valve 5 on second tube connector 9 and the 4th tube connector 11 (closing the second tapping pipe 13 and the 4th tapping pipe 15), the valve 5 on the first tube connector 8 and the 3rd tube connector 10 is closed simultaneously; During system cloud gray model, sewage supplies water and enters the first water storage tank 1 by the first perforate 16 on First function switching device M1, enters in the 4th water storage tank 4, enter heat pump evaporimeter 24 through the 4th perforate 19 by the 4th tube connector 11; User's end 22 chilled water out (for clear water) backwater enters the second water storage tank 2 by the second perforate 17 on First function switching device M1, enter in the 3rd water storage tank 3 through the second tube connector 9, enter heat pump condenser 23 through the 3rd perforate 18; Enter the 4th water storage tank 4 from heat pump evaporimeter 24 sewage out by the 4th opening 19 second function switching device M2, enter the first water storage tank 1 by the 4th tube connector 11, and the first perforate 16 on second function switching device M2 is discharged; The 3rd water storage tank 3 is entered by the 3rd opening 18 second function switching device M2 from heat pump condenser 23 end chilled water (for clear water) out, the second water storage tank 2 is entered by the second tube connector 9, and supply water to user's end 22 through the second perforate 17, achieve Winter heat supply.Open the first tapping pipe 12 on the first tube connector 8 and the 3rd tapping pipe 14 on the 3rd tube connector 10, can real-time inspection valve 5 whether airtight tight, whether sewage and end recirculated water are revealed mutually.
3, before heat supply and air conditioning function alternately needs to switch, first by clean for the water discharge in apparatus of the present invention, then can open the 3rd water storage tank 3 and the 4th water storage tank 4, and clean, solve sewage pollution end circulation water problem when function switches.
Detailed description of the invention two: composition graphs 5 ~ Fig. 8 illustrates present embodiment, present embodiment comprises two function switching devices, every platform function switching device comprises the first water storage tank 1, second water storage tank 2, 3rd water storage tank 3, 4th water storage tank 4, first tube connector 8, second tube connector 9, 3rd tube connector 10, 4th tube connector 11, first tapping pipe 12, second tapping pipe 13, 3rd tapping pipe 14, 4th tapping pipe 15, two valve shafts 6, two handwheels 7 and eight valves 5, second water storage tank 2 is arranged on the below of the first water storage tank 1, 3rd water storage tank 3 and the 4th water storage tank 4 set gradually along same level line, second water storage tank 2 is arranged on the top of the 3rd water storage tank 3 and the 4th water storage tank 4, first water storage tank 1 is provided with the first perforate 16, second water storage tank 2 is provided with the second perforate 17, 3rd water storage tank 3 is provided with the 3rd perforate 18, 4th water storage tank 4 is provided with the 4th perforate 19, first water storage tank 1 is connected by the first tube connector 8 with the 3rd water storage tank 3, first water storage tank 1 is connected by the 4th tube connector 11 with the 4th water storage tank 4, second water storage tank 2 is connected by the second tube connector 9 with the 3rd water storage tank 3, second water storage tank 2 is connected by the 3rd tube connector 10 with the 4th water storage tank 4, first tube connector 8, second tube connector 9, 3rd tube connector 10 and the 4th tube connector 11 are arranged in parallel in same plane, first tube connector 8, second tube connector 9, 3rd tube connector 10 and the 4th tube connector 11 upper, bottom installs a valve 5 respectively, first tube connector 8 is identical with valve 5 direction of operating on the 3rd tube connector 10, second tube connector 9 is identical with valve 5 direction of operating on the 4th tube connector 11, valve 5 on first tube connector 8 and the 3rd tube connector 10 is contrary with the valve 5 valve position state on the second tube connector 9 and the 4th tube connector 11, namely when the valve 5 on the first tube connector 8 and the 3rd tube connector 10 is closed completely, valve 5 on second tube connector 9 and the 4th tube connector 11 is opened completely.First tapping pipe 12 is arranged on the middle part of the first tube connector 8, second tapping pipe 13 is arranged on the middle part of the second tube connector 9, 3rd tapping pipe 14 is arranged on the middle part of the 3rd tube connector 10, 4th tapping pipe 15 is arranged on the middle part of the 4th tube connector 11, four valves 5 being in same level linear position of top are all connected with a valve shaft 6, four valves 5 being in same level linear position of below are all connected with another valve shaft 6, a handwheel 7 is installed in the end of each valve shaft 6, two function switching devices are set up in parallel, eight valves 5 of top are in same level linear position, top same row two valve shafts 6 without handwheel 7 one end extension and be fixed together, eight valves 5 of top are in same level linear position, below same row two valve shafts 6 without handwheel 7 one end extension and be fixed together.
Water source heat pump system needs respectively to arrange a function switching device to complete the switching of heat supply and air conditioning function at low level heat energy water inlet end and low level heat energy water out end, therefore in water source heat pump system, need installation two function switching devices.Because the operating procedure of two function switching devices when operation switches with operating mode is consistent with method, therefore in the present embodiment two switching device shifters are combined, two valve shafts 6 are utilized to be connected by the valve 5 of relevant position on two switching device shifters, unified operation is carried out by handwheel 7, thus easier on the basis operating in embodiment one that whole operating mode is switched.Two the first water storage tanks 1 can be made into same casing, use upper spacer 40 to be separated by casing.3rd water storage tank 3 and the 4th water storage tank 4 can be made into same casing, and use lower clapboard 20 to be separated by casing, this casing can be the mode that upper box is connected with lower box half flange; This casing can also be end face dismounting mode, is convenient to the disassembly, cleaning of the 3rd water storage tank 3 and the 4th water storage tank 4 like this.Valve 5 uses ball valve, and ball valve has compact conformation, and sealing is reliable, and structure is simple, easy to maintenance, not easily by medium erosion, is easy to the feature of Operation and maintenance.
Annexation in the annexation of two function switching devices in present embodiment and plumbing drain 21, user's end 22, heat pump condenser 23 and heat pump evaporimeter 24 and detailed description of the invention one is identical, as shown in figure 19, the course of work of present embodiment is identical with the course of work of detailed description of the invention one.
Detailed description of the invention three: composition graphs 9 ~ Figure 13 illustrates present embodiment, present embodiment comprises two function switching devices, every platform function switching device comprises the first water storage tank 1, second water storage tank 2, 3rd water storage tank 3, 4th water storage tank 4, first tube connector 8, second tube connector 9, 3rd tube connector 10, 4th tube connector 11, first tapping pipe 12, second tapping pipe 13, 3rd tapping pipe 14, 4th tapping pipe 15, four valve shafts 6, four handwheels 7 and eight valves 5, second water storage tank 2 and the first water storage tank 1 are arranged side by side, 3rd water storage tank 3 and the 4th water storage tank 4 set gradually along same level line, first water storage tank 1 and the second water storage tank 2 are arranged on the top of the 3rd water storage tank 3 and the 4th water storage tank 4, first water storage tank 1 is provided with the first perforate 16, second water storage tank 2 is provided with the second perforate 17, 3rd water storage tank 3 is provided with the 3rd perforate 18, 4th water storage tank 4 is provided with the 4th perforate 19, described first water storage tank 1 is connected by the first tube connector 8 with the 3rd water storage tank 3, first water storage tank 1 is connected by the 4th tube connector 11 with the 4th water storage tank 4, second water storage tank 2 is connected by the second tube connector 9 with the 3rd water storage tank 3, second water storage tank 2 is connected by the 3rd tube connector 10 with the 4th water storage tank 4, first tube connector 8 and the 4th tube connector 11 are arranged in parallel in same plane, second tube connector 9 and the 3rd tube connector 10 are arranged in parallel in same plane, first tube connector 8, second tube connector 9, 3rd tube connector 10 and the 4th tube connector 11 upper, bottom installs a valve 5 respectively, first tube connector 8 is identical with valve 5 direction of operating on the 3rd tube connector 10, second tube connector 9 is identical with valve 5 direction of operating on the 4th tube connector 11, valve 5 on first tube connector 8 and the 3rd tube connector 10 is contrary with the valve 5 valve position state on the second tube connector 9 and the 4th tube connector 11, namely when the valve 5 on the first tube connector 8 and the 3rd tube connector 10 is closed completely, valve 5 on second tube connector 9 and the 4th tube connector 11 is opened completely.First tapping pipe 12 is arranged on the middle part of the first tube connector 8, second tapping pipe 13 is arranged on the middle part of the second tube connector 9, 3rd tapping pipe 14 is arranged on the middle part of the 3rd tube connector 10, 4th tapping pipe 15 is arranged on the middle part of the 4th tube connector 11, two valves 5 that first tube connector 8 and the top of the 4th tube connector 11 are in same level linear position are all connected with a valve shaft 6, two valves 5 that first tube connector 8 and the below of the 4th tube connector 11 are in same level linear position are all connected with a valve shaft 6, two valves 5 that second tube connector 9 and the top of the 3rd tube connector 10 are in same level linear position are all connected with a valve shaft 6, two valves 5 that second tube connector 9 and the below of the 3rd tube connector 10 are in same level linear position are all connected with a valve shaft 6, a handwheel 7 is installed in the end of each valve shaft 6, two function switching device apart arrangement.3rd water storage tank 3 and the 4th water storage tank 4 are same casing, and use lower clapboard 20 to be separated by casing, this casing can be the mode that upper box is connected with lower box half flange; This casing can also be end face dismounting mode, is convenient to the disassembly, cleaning of the 3rd water storage tank 3 and the 4th water storage tank 4 like this.Valve 5 uses ball valve, and ball valve has compact conformation, and sealing is reliable, and structure is simple, easy to maintenance, not easily by medium erosion, is easy to the feature of Operation and maintenance.Be arranged side by side before and after first water storage tank 1 and the second water storage tank 2, make the first tube connector 8, second tube connector 9, the 3rd tube connector 10 and the 4th tube connector 11 in rectangular layout between four water storage tanks, thus make whole compact equipment, take up an area less.
When present embodiment is applied to direct-type sewage source heat pump system, need two function switching devices, and by two function switching device access direct-type sewage source heat pumps, annexation in the annexation of two function switching devices and plumbing drain 21, user's end 22, heat pump condenser 23 and heat pump evaporimeter 24 and the course of work and detailed description of the invention one is identical, and the course of work of present embodiment is identical with the course of work of detailed description of the invention one.
Detailed description of the invention four: present embodiment is described in conjunction with Figure 14 ~ Figure 17, present embodiment comprise two function switching devices, every platform function switching device comprises the first water storage tank 1, second water storage tank 2, 3rd water storage tank 3, 4th water storage tank 4, first tube connector 8, second tube connector 9, 3rd tube connector 10, 4th tube connector 11, first tapping pipe 12, second tapping pipe 13, 3rd tapping pipe 14, 4th tapping pipe 15, four valve shafts 6, four handwheels 7 and eight valves 5, second water storage tank 2 and the first water storage tank 1 are arranged side by side, 3rd water storage tank 3 and the 4th water storage tank 4 set gradually along same level line, first water storage tank 1 and the second water storage tank 2 are arranged on the top of the 3rd water storage tank 3 and the 4th water storage tank 4, first water storage tank 1 is provided with the first perforate 16, second water storage tank 2 is provided with the second perforate 17, 3rd water storage tank 3 is provided with the 3rd perforate 18, 4th water storage tank 4 is provided with the 4th perforate 19, first water storage tank 1 is connected by the first tube connector 8 with the 3rd water storage tank 3, first water storage tank 1 is connected by the 4th tube connector 11 with the 4th water storage tank 4, described second water storage tank 2 is connected by the second tube connector 9 with the 3rd water storage tank 3, second water storage tank 2 is connected by the 3rd tube connector 10 with the 4th water storage tank 4, first tube connector 8 and the 4th tube connector 11 are arranged in parallel in same plane, second tube connector 9 and the 3rd tube connector 10 are arranged in parallel in same plane, first tube connector 8, second tube connector 9, 3rd tube connector 10 and the 4th tube connector 11 upper, bottom installs a valve 5 respectively, first tube connector 8 is identical with valve 5 direction of operating on the 3rd tube connector 10, second tube connector 9 is identical with valve 5 direction of operating on the 4th tube connector 11, valve 5 on first tube connector 8 and the 3rd tube connector 10 is contrary with the valve 5 valve position state on the second tube connector 9 and the 4th tube connector 11, namely when the valve 5 on the first tube connector 8 and the 3rd tube connector 10 is closed completely, valve 5 on second tube connector 9 and the 4th tube connector 11 is opened completely.First tapping pipe 12 is arranged on the middle part of the first tube connector 8, second tapping pipe 13 is arranged on the middle part of the second tube connector 9, 3rd tapping pipe 14 is arranged on the middle part of the 3rd tube connector 10, 4th tapping pipe 15 is arranged on the middle part of the 4th tube connector 11, two valves 5 that first tube connector 8 and the top of the 4th tube connector 11 are in same level linear position are all connected with a valve shaft 6, two valves 5 that first tube connector 8 and the below of the 4th tube connector 11 are in same level linear position are all connected with a valve shaft 6, two valves 5 that second tube connector 9 and the top of the 3rd tube connector 10 are in same level linear position are all connected with a valve shaft 6, two valves 5 that second tube connector 9 and the below of the 3rd tube connector 10 are in same level linear position are all connected with a valve shaft 6, a handwheel 7 is installed in the end of each valve shaft 6, two function switching devices are set up in parallel, four valves 5 of the same row of top are in same level linear position, four valves 5 of the same row of below are in same level linear position, two valve shafts 6 of same row without handwheel 7 one end extension and be fixed together.Water resource heat pump needs to arrange a function change-over device of the present invention respectively to complete the switching of heat supply and air conditioning function at low level heat energy water inlet end and low level heat energy water out end, therefore in water source heat pump system, need installation two function switching devices.Because the operating procedure of two function switching devices when operation switches with operating mode is consistent with method, therefore in the present embodiment two switching device shifters are combined, four valve shafts 6 are utilized to be connected by the valve 5 of relevant position on two switching device shifters, operated by handwheel 7, thus easier on the basis operating in embodiment three that whole operating mode is switched.The operational process of present embodiment, operating mode handover operation method are as described in embodiment 3.Two the first water storage tanks 1 can be made into same casing, use upper spacer 40 to be separated by casing.3rd water storage tank 3 and the 4th water storage tank 4 can be made into same casing, and use lower clapboard 20 to be separated by casing, this casing can be the mode that upper box is connected with lower box half flange; This casing can also be end face dismounting mode, is convenient to the disassembly, cleaning of the 3rd water storage tank 3 and the 4th water storage tank 4 like this.Valve 5 uses ball valve, and ball valve has compact conformation, and sealing is reliable, and structure is simple, easy to maintenance, not easily by medium erosion, is easy to the feature of Operation and maintenance.
Annexation in the annexation of two function switching devices in present embodiment and plumbing drain 21, user's end 22, heat pump condenser 23 and heat pump evaporimeter 24 and detailed description of the invention three is identical, and the course of work of present embodiment is identical with the course of work of detailed description of the invention three.

Claims (4)

1. a water route switches heat pump heat supply and air conditioning function change-over device, it is characterized in that: described function change-over device comprises two function switching devices, every platform function switching device comprises the first water storage tank (1), second water storage tank (2), 3rd water storage tank (3), 4th water storage tank (4), first tube connector (8), second tube connector (9), 3rd tube connector (10), 4th tube connector (11), first tapping pipe (12), second tapping pipe (13), 3rd tapping pipe (14), 4th tapping pipe (15), two valve shafts (6), two handwheels (7) and eight valves (5), second water storage tank (2) is arranged on the below of the first water storage tank (1), 3rd water storage tank (3) and the 4th water storage tank (4) set gradually along same level line, second water storage tank (2) is arranged on the top of the 3rd water storage tank (3) and the 4th water storage tank (4), first water storage tank (1) is provided with the first perforate (16), second water storage tank (2) is provided with the second perforate (17), 3rd water storage tank (3) is provided with the 3rd perforate (18), 4th water storage tank (4) is provided with the 4th perforate (19), described first water storage tank (1) is connected by the first tube connector (8) with the 3rd water storage tank (3), first water storage tank (1) is connected by the 4th tube connector (11) with the 4th water storage tank (4), described second water storage tank (2) is connected by the second tube connector (9) with the 3rd water storage tank (3), second water storage tank (2) is connected by the 3rd tube connector (10) with the 4th water storage tank (4), first tube connector (8), second tube connector (9), 3rd tube connector (10) and the 4th tube connector (11) are arranged in parallel in same plane, first tube connector (8), second tube connector (9), 3rd tube connector (10) and the 4th tube connector (11) upper, bottom installs a valve (5) respectively, first tube connector (8) is identical with valve (5) direction of operating on the 3rd tube connector (10), second tube connector (9) is identical with valve (5) direction of operating on the 4th tube connector (11), first tapping pipe (12) is arranged on the middle part of the first tube connector (8), second tapping pipe (13) is arranged on the middle part of the second tube connector (9), 3rd tapping pipe (14) is arranged on the middle part of the 3rd tube connector (10), 4th tapping pipe (15) is arranged on the middle part of the 4th tube connector (11), four valves (5) being in same level linear position of top are all connected with a valve shaft (6), four valves (5) being in same level linear position of below are all connected with another valve shaft (6), a handwheel (7) is installed in the end of each valve shaft (6), two function switching device apart arrangement.
2. a water route switches heat pump heat supply and air conditioning function change-over device, it is characterized in that: described function change-over device comprises two function switching devices, every platform function switching device comprises the first water storage tank (1), second water storage tank (2), 3rd water storage tank (3), 4th water storage tank (4), first tube connector (8), second tube connector (9), 3rd tube connector (10), 4th tube connector (11), first tapping pipe (12), second tapping pipe (13), 3rd tapping pipe (14), 4th tapping pipe (15), two valve shafts (6), two handwheels (7) and eight valves (5), second water storage tank (2) is arranged on the below of the first water storage tank (1), 3rd water storage tank (3) and the 4th water storage tank (4) set gradually along same level line, second water storage tank (2) is arranged on the top of the 3rd water storage tank (3) and the 4th water storage tank (4), first water storage tank (1) is provided with the first perforate (16), second water storage tank (2) is provided with the second perforate (17), 3rd water storage tank (3) is provided with the 3rd perforate (18), 4th water storage tank (4) is provided with the 4th perforate (19), described first water storage tank (1) is connected by the first tube connector (8) with the 3rd water storage tank (3), first water storage tank (1) is connected by the 4th tube connector (11) with the 4th water storage tank (4), described second water storage tank (2) is connected by the second tube connector (9) with the 3rd water storage tank (3), second water storage tank (2) is connected by the 3rd tube connector (10) with the 4th water storage tank (4), first tube connector (8), second tube connector (9), 3rd tube connector (10) and the 4th tube connector (11) are arranged in parallel in same plane, first tube connector (8), second tube connector (9), 3rd tube connector (10) and the 4th tube connector (11) upper, bottom installs a valve (5) respectively, first tube connector (8) is identical with valve (5) direction of operating on the 3rd tube connector (10), second tube connector (9) is identical with valve (5) direction of operating on the 4th tube connector (11), first tapping pipe (12) is arranged on the middle part of the first tube connector (8), second tapping pipe (13) is arranged on the middle part of the second tube connector (9), 3rd tapping pipe (14) is arranged on the middle part of the 3rd tube connector (10), 4th tapping pipe (15) is arranged on the middle part of the 4th tube connector (11), four valves (5) being in same level linear position of top are all connected with a valve shaft (6), four valves (5) being in same level linear position of below are all connected with another valve shaft (6), a handwheel (7) is installed in the end of each valve shaft (6), two function switching devices are set up in parallel, eight valves (5) of top are in same level linear position, top same row two valve shafts (6) without handwheel (7) one end extension and be fixed together, eight valves (5) of top are in same level linear position, below same row two valve shafts (6) without handwheel (7) one end extension and be fixed together.
3. a water route switches heat pump heat supply and air conditioning function change-over device, it is characterized in that: described function change-over device comprises two function switching devices, every platform function switching device comprises the first water storage tank (1), second water storage tank (2), 3rd water storage tank (3), 4th water storage tank (4), first tube connector (8), second tube connector (9), 3rd tube connector (10), 4th tube connector (11), first tapping pipe (12), second tapping pipe (13), 3rd tapping pipe (14), 4th tapping pipe (15), four valve shafts (6), four handwheels (7) and eight valves (5), second water storage tank (2) and the first water storage tank (1) are arranged side by side, 3rd water storage tank (3) and the 4th water storage tank (4) set gradually along same level line, first water storage tank (1) and the second water storage tank (2) are arranged on the top of the 3rd water storage tank (3) and the 4th water storage tank (4), first water storage tank (1) is provided with the first perforate (16), second water storage tank (2) is provided with the second perforate (17), 3rd water storage tank (3) is provided with the 3rd perforate (18), 4th water storage tank (4) is provided with the 4th perforate (19), described first water storage tank (1) is connected by the first tube connector (8) with the 3rd water storage tank (3), first water storage tank (1) is connected by the 4th tube connector (11) with the 4th water storage tank (4), described second water storage tank (2) is connected by the second tube connector (9) with the 3rd water storage tank (3), second water storage tank (2) is connected by the 3rd tube connector (10) with the 4th water storage tank (4), first tube connector (8) and the 4th tube connector (11) are arranged in parallel in same plane, second tube connector (9) and the 3rd tube connector (10) are arranged in parallel in same plane, first tube connector (8), second tube connector (9), 3rd tube connector (10) and the 4th tube connector (11) upper, bottom installs a valve (5) respectively, first tube connector (8) is identical with valve (5) direction of operating on the 3rd tube connector (10), second tube connector (9) is identical with valve (5) direction of operating on the 4th tube connector (11), first tapping pipe (12) is arranged on the middle part of the first tube connector (8), second tapping pipe (13) is arranged on the middle part of the second tube connector (9), 3rd tapping pipe (14) is arranged on the middle part of the 3rd tube connector (10), 4th tapping pipe (15) is arranged on the middle part of the 4th tube connector (11), two valves (5) that first tube connector (8) and the top of the 4th tube connector (11) are in same level linear position are all connected with a valve shaft (6), two valves (5) that first tube connector (8) and the below of the 4th tube connector (11) are in same level linear position are all connected with a valve shaft (6), two valves (5) that second tube connector (9) and the top of the 3rd tube connector (10) are in same level linear position are all connected with a valve shaft (6), two valves (5) that second tube connector (9) and the below of the 3rd tube connector (10) are in same level linear position are all connected with a valve shaft (6), a handwheel (7) is installed in the end of each valve shaft (6), two function switching device apart arrangement.
4. a water route switches heat pump heat supply and air conditioning function change-over device, it is characterized in that: described function change-over device comprises two function switching devices, every platform function switching device comprises the first water storage tank (1), second water storage tank (2), 3rd water storage tank (3), 4th water storage tank (4), first tube connector (8), second tube connector (9), 3rd tube connector (10), 4th tube connector (11), first tapping pipe (12), second tapping pipe (13), 3rd tapping pipe (14), 4th tapping pipe (15), four valve shafts (6), four handwheels (7) and eight valves (5), second water storage tank (2) and the first water storage tank (1) are arranged side by side, 3rd water storage tank (3) and the 4th water storage tank (4) set gradually along same level line, first water storage tank (1) and the second water storage tank (2) are arranged on the top of the 3rd water storage tank (3) and the 4th water storage tank (4), first water storage tank (1) is provided with the first perforate (16), second water storage tank (2) is provided with the second perforate (17), 3rd water storage tank (3) is provided with the 3rd perforate (18), 4th water storage tank (4) is provided with the 4th perforate (19), described first water storage tank (1) is connected by the first tube connector (8) with the 3rd water storage tank (3), first water storage tank (1) is connected by the 4th tube connector (11) with the 4th water storage tank (4), described second water storage tank (2) is connected by the second tube connector (9) with the 3rd water storage tank (3), second water storage tank (2) is connected by the 3rd tube connector (10) with the 4th water storage tank (4), first tube connector (8) and the 4th tube connector (11) are arranged in parallel in same plane, second tube connector (9) and the 3rd tube connector (10) are arranged in parallel in same plane, first tube connector (8), second tube connector (9), 3rd tube connector (10) and the 4th tube connector (11) upper, bottom installs a valve (5) respectively, first tube connector (8) is identical with valve (5) direction of operating on the 3rd tube connector (10), second tube connector (9) is identical with valve (5) direction of operating on the 4th tube connector (11), first tapping pipe (12) is arranged on the middle part of the first tube connector (8), second tapping pipe (13) is arranged on the middle part of the second tube connector (9), 3rd tapping pipe (14) is arranged on the middle part of the 3rd tube connector (10), 4th tapping pipe (15) is arranged on the middle part of the 4th tube connector (11), two valves (5) that first tube connector (8) and the top of the 4th tube connector (11) are in same level linear position are all connected with a valve shaft (6), two valves (5) that first tube connector (8) and the below of the 4th tube connector (11) are in same level linear position are all connected with a valve shaft (6), two valves (5) that second tube connector (9) and the top of the 3rd tube connector (10) are in same level linear position are all connected with a valve shaft (6), two valves (5) that second tube connector (9) and the below of the 3rd tube connector (10) are in same level linear position are all connected with a valve shaft (6), a handwheel (7) is installed in the end of each valve shaft (6), two function switching devices are set up in parallel, four valves (5) of the same row of top are in same level linear position, four valves (5) of the same row of below are in same level linear position, two valve shafts (6) of same row without handwheel (7) one end extension and be fixed together.
CN201210401073.2A 2012-10-19 2012-10-19 Heat supplying function and air conditioning function switching device of waterway switching heat pump system Active CN102901268B (en)

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CN104215000A (en) * 2014-09-25 2014-12-17 昆山特佳高美绿能科技有限公司 Water path switching system replacing four-way reversing valve

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201138110Y (en) * 2007-12-24 2008-10-22 西安建筑科技大学 Refrigerant direction changing device and application thereof
CN202221187U (en) * 2011-09-01 2012-05-16 中国轻工业武汉设计工程有限责任公司 Waterway winter-summer automatic switching device for ground source heat pump unit
JP5340382B2 (en) * 2009-04-17 2013-11-13 三菱電機株式会社 Valve block and valve block unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201138110Y (en) * 2007-12-24 2008-10-22 西安建筑科技大学 Refrigerant direction changing device and application thereof
JP5340382B2 (en) * 2009-04-17 2013-11-13 三菱電機株式会社 Valve block and valve block unit
CN202221187U (en) * 2011-09-01 2012-05-16 中国轻工业武汉设计工程有限责任公司 Waterway winter-summer automatic switching device for ground source heat pump unit

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