CN1282854C - Domestic central air-conditioning water pump box - Google Patents

Domestic central air-conditioning water pump box Download PDF

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Publication number
CN1282854C
CN1282854C CN 200410030970 CN200410030970A CN1282854C CN 1282854 C CN1282854 C CN 1282854C CN 200410030970 CN200410030970 CN 200410030970 CN 200410030970 A CN200410030970 A CN 200410030970A CN 1282854 C CN1282854 C CN 1282854C
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pipe
water
storage tank
return pipe
heat exchanger
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Expired - Fee Related
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CN 200410030970
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CN1677003A (en
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何纪斌
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Individual
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Individual
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Abstract

The present invention provides a water pump box of a household central air conditioner, which is connected between an outdoor host machine and an indoor machine; a heat exchanger, a pump body and a water service pipe connected to a water service pipe of the indoor machine are arranged in a water storage tank which is communicated with outside atmospheric gas, the heat exchanger is provided with a condensing pipe and a water return pipe, one end of the water return pipe is directly opened on the bottom of a tank body, a part of the condensing pipe is arranged in the water return pipe, the pump body is a submersible pump which is arranged on the bottom of the water storage tank and is provided with a suction port and a water outlet, wherein the water outlet is connected with the water service pipe; valve bodies which can block or put through liquid inside the water return pipe and the water service pipe are respectively arranged on the water return pipe and the water service pipe, and the valve bodies are opened or closed simultaneously. The present invention adopts the heat exchanger in a spiral sleeve pipe type, so the present invention has the advantages of low cost, stronger adaptability, compact structure, smaller volume and more convenient installation; in addition, the heat exchanger with multiple pipes can be adopted to realize the optimal energy saving effect.

Description

The residential central air conditioning waterproof pump box
Technical field
The present invention relates to a kind of household central air conditioning system, particularly relate to a kind of waterproof pump box of residential central air conditioning.
Background technology
Along with the development of society and the raising of living standards of the people, people's living space is increasing, and the air-conditioner of common one-to-one formula also more and more can not satisfy the requirement of people to air conditioning in the room and Utilizing Energy Sources in Reason, simultaneously house external overall aesthetic property is damaged.Residential central air conditioning has stronger air handling capacity, and off-premises station installs concentratedly, and the littler advantage that takes up room has begun to be familiar with by people gradually and to use.
Present " air-cooled heat pump handpiece Water Chilling Units formula " residential central air conditioning is made up of off-premises station, waterproof pump box, indoor set (fan coil) and the pipeline that connects each equipment usually.The residential central air conditioning of existing this system is the pipe-line system design of adopting sealing, circulating pump in the waterproof pump box adopts closed centrifugal pump, when interior conduit is installed, consider pressure in the pipeline and the water yield loss in air emptying and the day-to-day operation process, pipeline must keep the emptying in order to air in the pipeline of certain gradient when installing, and automatic exhaust steam valve is installed at the highest point of pipeline, to keep the service pressure in the pipeline, too much bending does not have when requiring interior conduit to install simultaneously, especially the matrix bending during lintel, therefore, need Durchgangshohle when lintel during installation, certainly will cause the damage of building structure, the gradient is installed simultaneously also can reduce the indoor secondary indoor furred ceiling absolute altitude in when finishing greatly, influence domestic environment.
The current of existing product be designed to backwater through stream Constant pressure tank to plate type heat exchanger carry out cold and hot exchange after to water pump, water pump is gone into indoor pipe-line system with chilled water or heat-exchanger pump, like this, centrifugal pump directly contacts with air, and the work noise of water pump is undamped when not having other auxiliary material.
In addition, because of adopting closed system, the damage of the arbitrary parts of indoor equipment and change and all need the segmentation closing pipe line in order to system maintenance, waterproof pump box breaks down and then needs to carry out dismounting to whole waterproof pump box and could overhaul.
Heat exchanger in the waterproof pump box adopts board-like parallel operation, cost of manufacture is higher relatively, the technical process relative complex, because no water storage device, Constant pressure tank can't play the heat-storage heat-preserving effect for keeping loine pressure and placing the heat exchanger front end, in a single day host work stops, water temperature changes violently in the system, and temperature control induction installation signal changes aggravation, is unfavorable for energy-conservation human comfort when also influencing cooling and warming.
In addition, in the actual installation process, indoor equipment separates fully with the control of outdoor main frame and waterproof pump box in the existing product, the user in actual use, the unlatching of system stops to need through two steps, first opens waterproof pump box and main frame, and then the unlatching indoor set, program is loaded down with trivial details.
Summary of the invention
The objective of the invention is in order to solve the above-mentioned problems in the prior art, a kind of waterproof pump box of residential central air conditioning is provided, it is connected between outdoor main frame and the indoor set, has storage tank, in storage tank, be equipped with heat exchanger, the pump housing, with indoor set for water return pipeline link to each other to return pipe, described storage tank communicates with ambient atmosphere gas, and its bottom storage has water; Described heat exchanger has condenser pipe and return pipe, is bushing type, and the two ends of condenser pipe link to each other with outdoor main frame respectively, and the return pipe of return pipe one end indoor set links to each other, and the other end directly is opened on bottom half; The partial condensation pipe is built in the return pipe; The described pump housing is an immersible pump, is installed on the storage tank bottom, and this immersible pump has suction inlet and delivery port, and delivery port links to each other with described feed pipe; Having respectively on described return pipe and the feed pipe can be with its inner fluid blocking-up or the valve body of connecting; This valve body is opened simultaneously or is closed; Be provided with also in the described storage tank that be connected with external water source can be to the filling pipe of storage tank moisturizing.
Circulating pump of the present invention adopts immersible pump, be open during pipe-line system work, air in the pipeline is in the automatic emptying of water cycle process, operating pressure is consistent in the pipe, therefore need not consider the installation gradient of pipeline, also need not install air bleeding valve additional, indoor like this pipeline installation requirement more becomes random, can require to do accommodation with interior decoration style and owner in the maximum magnitude, not only installation cost reduces, and influence reduces to minimum to indoor environment (particularly local finishing absolute altitude).And immersible pump when work major part slip in the storage tank inner storing water, therefore the existing part decay of the noise during work, is being adopted under equal noise countermeasure and the material, work noise of the present invention is more relatively low than existing product.
Also have; the present invention has adopted the water tank device; the moisture storage capacity that keeps certain water yield in the system; this device has certain heat-storage heat-preserving effect; when outdoor main frame quit work, intrasystem water temperature changed more slow relatively, and the water temperature loss is less; the downtime of outdoor main frame is longer relatively, not only has energy-saving effect and indoor human body comfort level also higher.Simultaneously, a certain amount of water storage has been arranged, then more accurate for the control of intrasystem coolant-temperature gage, energy-conservation and the comfort level effect is better.
According to the waterproof pump box that alternative plan of the present invention provided, the part that is built-in with condenser pipe of described return pipe is wound into the spiral circle cylinder.System's backwater carries out cold and hot exchange with condenser pipe in the dirty process of spiral, heat exchange is abundant, because the effect of gravity in the dirty process of spiral, this process is minimum to the pump head loss, therefore can fully guarantee the rated lift of system, for also fully satisfying and need not change the water pump of the big lift of high power in the room of indoor environment (the complicated general layout of building structure is many) relative complex.
The waterproof pump box that third party's case according to the present invention is provided, described immersible pump is positioned at the center of spiral circle cylinder.Storage tank, spiral heat exchanger and immersible pump are become one, contain mutually, compact conformation, therefore finished-product volume is less, volume is 350mm * 450mm * 350mm to the maximum, generally can be installed in kitchen, room or the toilet, also can be lifted on indoor top or place in the kitchen cabinet of Decoration Design or in the glove compartment.
The waterproof pump box that cubic case according to the present invention is provided further includes an outer container, and described storage tank is positioned at this outer container, and this outer chamber interior wall has the cotton layer of noise reduction, receives the control circuit board of external command with the application valve body switch.The present invention combines in all defencive functions of air-conditioner host in the waterproof pump box, and signal controlling adopts temperature sense control.It is higher than the indoor air cooling way heat exchanger effectiveness of family expenses wall hanging split-type air conditioner that the refrigerant of outdoor main frame is circulated to indoor back water-cooling pattern, and indoor set (fan coil) does not directly link with outdoor main frame, indoor set control separates with main frame, therefore, linking of waterproof pump box and main frame can reach full compatibility, be that the present invention can be joined with arbitrary outdoor main frame of domestic air conditioning on sale on the market and need not change its electric appliance circuits or work functions and got final product operate as normal, therefore, it is more random and personalized that the owner becomes when choosing household central air conditioning system, from the main frame to the fan coil, all can carry out brand and select according to oneself levels of actual consumption and individual taste, save money not only but also individual character practical.
The present invention adds indoor set working signal contact, the work start and stop of this contact direct control room outdoor main unit and waterproof pump box.The auxilliary signal of establishing connects between only needing during installation from the indoor set to the waterproof pump box, can realize the start and stop by indoor each room inner control whole system, need not substep and finishes, realize the work of arbitrary indoor fan coil pipe, system works, all indoor fan coil pipes stop, and system thoroughly quits work.
The waterproof pump box that the present invention's the 5th scheme provides, the valve body on the described return pipe are magnetic valve, and the valve body on the described feed pipe is a check valve.The present invention system when work is an open system, because the check valve of immersible pump delivery port setting reaches the effect of the magnetic valve that is provided with on return pipe, interior conduit system and waterproof pump box is separated into two systems when quitting work.When interior conduit is closed state, can prevent that not only the interior conduit inner storing water from flowing backwards, make that simultaneously the waterproof pump box maintenance is convenient, after the pump box top tank lid of fetching boiling water, just can overhaul replacing, and the interior conduit system is not impacted all parts in the waterproof pump box, more convenient.
The waterproof pump box that the present invention's the 6th scheme is provided is many with condenser pipe, and described condenser pipe passes through the balanced welding means of spot welds together, and the spacing of adjacent symmetric solder joint is 200mm to 300mm.Many condenser pipes link with many outdoor main frames respectively like this, by control circuit to the full load of the setting of waterproof pump box inner storing water temperature and variations in temperature signal control room outdoor main unit or sub-load work (being that many outdoor main frames are worked or many outdoor main frame alternations simultaneously) thus reach the effect of regulating system integral energy output, the variation of coolant-temperature gage reflects indoor actual demand in the storage tank, therefore, the present invention can reach when using the invariable frequency compressor main frame that actual working state according to the indoor equipment height of wind speed (open or close and) is regulated the start and stop of multiple host and collaborative work reaches actual energy-saving effect.Because many small-power main frames are suitable with cost with the high-power main frame of separate unit of constant power on the market, gross weight, floor space and space are also suitable, and therefore, the present invention not only has suitable actual energy-conserving action and do not increase the installing space of outdoor main frame.
In sum, with respect to prior art,, can obtain following tangible technique effect and progress according to the present invention:
One, the present invention adopts semiclosed water circuit system, and is easier when interior conduit is installed, and need not consider the gradient and install air bleeding valve additional when interior conduit is installed, and system overhaul is convenient, and spare and accessory parts are changed simple and direct, the efficient height;
Two, this product adopts screw-casing tubular type heat exchanger, and cost is low, adaptability is stronger;
Three, adopt immersible pump, the integrated noise that produces during work is lower;
Four, compact conformation, volume is littler, installs more convenient;
Five, the control of current temperature more becomes gentle comfortable in the system;
Six, multitube heat exchanger made is decided to reach energy-saving effect in the system frequently;
Seven, compatible strong, need not to customize main frame;
Eight, add the control signal point, use more convenient.
Description of drawings
Fig. 1 is the structural representation as a preferred embodiment of residential central air conditioning waterproof pump box of the present invention;
Fig. 2 is the generalized section of screw-casing tubular type heat exchanger in the waterproof pump box shown in Figure 1;
Fig. 3 is the schematic perspective view of screw-casing tubular type heat exchanger shown in Figure 2;
Fig. 4 is the side view and the sectional view of multitube copper pipe in another embodiment of the present invention;
Fig. 5 is an electrical connecting wires sketch of the present invention;
Fig. 6 is the fundamental diagram of one embodiment of the invention;
Fig. 7 arranges the suction hole schematic diagram automatically in the tank lid among the present invention.
The specific embodiment
Embodiment 1
As shown in Figure 1, as a preferred embodiment of residential central air conditioning waterproof pump box of the present invention.
This waterproof pump box has water tank outer container 1 and the tank lid 2 that is square column type, is provided with the cotton layer 3 of noise reduction at the inwall of water tank outer container 1, and also has storage tank 4 and control circuit board 5 in inside.
Storage tank 4 also is square column type, and has rubber packing lid 6.In storage tank 4, be respectively equipped with filling pipe 7, heat exchanger 10, the pump housing and feed pipe 12, be provided with the thermal insulating layer at the outer wall of storage tank 4.The pump housing is preferably immersible pump 11.
Filling pipe 7 is fixed on the sidewall of storage tank 4, filling pipe 7 one ends link to each other with external water source, and the other end in storage tank 4 is connected with valve 8 and float 9, by setting the height and the position of float 9, can realize the opening and closing of the valve 8 that is connected with float 9.When the water level in the storage tank 4 because of evaporation or flow when reducing, float 9 descends, with valve 8 unlatchings, thereby in storage tank 4 automatic water supplement, when water level reached predetermined value, float 9 cut out valve 8 automatically.
Heat exchanger 10 is completely different with heat exchanger shape of the prior art, is the screw-casing tubulose, is positioned at the inside center of water tank 4, specifically as shown in Figure 2.Heat exchanger 10 mainly is made up of return pipe 13 and refrigerant pipe 14.The material of return pipe 13 is preferably the plastic-aluminum pipe, through coiling and spiral cylindrical shell (as shown in Figure 3), the one end is positioned at the bottom of storage tank 4, and the other end then connects the return pipe 16 of indoor set (not shown), is provided with magnetic valve 15 in the end that links to each other with indoor set return pipe 16.External command can send to magnetic valve 15 by control circuit board 5, thereby return pipe 13 is communicated with the return pipe 16 of indoor set or blocks.Refrigerant pipe 14 is preferably copper pipe, extexine plates antirust material, be built in the return pipe 13, specifically be to insert in the return pipe 13 from an end of return pipe 13, be wound into helical form together with return pipe 13, and in a seal 20 of return pipe 13, stretching out hermetically near the upper position of storage tank 4.The two ends of refrigerant pipe 14 link to each other with outdoor main frame (not shown) respectively, the mobile cold-producing medium that has through outdoor main frame refrigeration (or heating) in it, cold-producing medium carries out heat exchange with the backwater that flows back in the return pipe 13 from indoor set in heat exchanger 10, backwater flows downward spirally from the top of return pipe 13, and cold-producing medium is upwards to flow spirally from the bottom of heat exchanger 10, can guarantee that therefore this heat exchange fully carries out.
Immersible pump 11 is positioned at the screw shell middle part of heat exchanger 10, is surrounded by return pipe 13 spirals, can save like this to take other space and reduce storage tank 4 and the volume of outer container 1.Immersible pump 11 uses existing known version, and crucial parts chromium plating is with antirust, and its bottom has water sucking mouth 17 and delivery port 18.Keep the moisture storage capacity of certain water yield in the water tank device, have certain heat-storage heat-preserving effect, when main frame quit work, intrasystem water temperature changed more slow relatively, and the water temperature loss is less.The downtime of main frame is longer relatively, not only has energy-saving effect and indoor human body comfort level also higher.Simultaneously, a certain amount of water storage has been arranged, then more accurate for intrasystem coolant-temperature gage control.
Feed pipe 12 is positioned at the screw shell of heat exchanger 10, it also can be arranged on the sidewall of storage tank 4 or other position, the one end links to each other with the delivery port 18 of immersible pump 11, the other end links to each other with the feed pipe of indoor set, and feed pipe 12 is provided with and guarantees that current can only be to the mobile check valve 19 of indoor set feed pipe direction.
Freezing when heating (or), magnetic valve 15 and check valve 19 are opened simultaneously, cold-producing medium in backwater in the return pipe 13 and the refrigerant pipe 14 carries out heat exchange in screw type sleeve pipe after, directly enter in the storage tank 4, immersible pump 11 17 sucks it and be pumped in the feed pipe 12 via delivery port 18 from the water sucking mouth, flow to the water inlet pipe of indoor set, thereby realize indoor air conditioning.
Waterproof pump box is a semi-closed structure, water in the water tank 4 in it communicates with ambient atmosphere, circulating pump adopts immersible pump, be that return pipe 13 and feed pipe 12 are open during system works, therefore the air in the pipeline can be in water cycle process can along with backwater together in return pipe 13 is discharged into water tank 4, because water tank 4 and outer container 1 are semi-enclosed, the peristome of outer container 1 is provided with tank lid 2, water tank 4 tops are provided with rubber closure 6, rubber closure 6 designs for one with tank lid 2, the centre is provided with automatic row's suction hole 22, be specially and reserve a circular hole in the tank lid 2, rubber closure 6 is done one " cross " otch in the position of corresponding circular hole, utilize the own tension force maintenance air pressure balance and the automatic row of rubber skin air-breathing, thereby keep communicating and the air pressure basically identical with extraneous air.Therefore the automatic emptying of gas meeting in the pipeline is consistent the operating pressure in the pipeline, need not design the installation gradient of pipeline, also need not install air bleeding valve additional.
When quitting work, magnetic valve 15 and check valve 19 are closed simultaneously, and interior conduit system and waterproof pump box are separated into two systems, and waterproof pump box is for what open, and interior conduit then is a closed state.Break down as waterproof pump box or outdoor main frame this moment, then can only dismantle waterproof pump box or outdoor main frame, and not need indoor heating system is dismantled.
The working signal contact direct control room outdoor main unit of indoor set and the work start and stop of waterproof pump box.Signal controlling adopts temperature sense control, and as shown in Figure 5 and Figure 6, it shows electrical connecting wires sketch of the present invention and fundamental diagram respectively.In the present invention, interface in the middle of waterproof pump box adds, only need during installation from the fan coil to the waterproof pump box between the auxilliary signal of establishing connect, can realize start and stop, realize arbitrary indoor set work, system works by indoor each room inner control whole system, all indoor sets stop, and system thoroughly quits work.
Embodiment 2
In another embodiment of the present invention, double pipe heat exchanger adopts the multitube bushing type as different from Example 1, and other structure is identical with embodiment 1.As shown in Figure 4, the refrigerant pipe 14 that inserts return pipe 13 is two, and these two refrigerant pipes 14 link with two outdoor main frames respectively.Two refrigerant pipes 14 weld together by symmetrical solder joint 21, can guarantee that like this copper pipes in the return pipe 13 avoid frictional impact and reduce service life when work.The distance of symmetry between the solder joint 21 is preferably 200mm to 300mm, can guarantee that therefore this refrigerant pipe 14 and return pipe 13 in homogeneous tube is bent into the process of heat exchanger displacement and sealing-off can not take place.Also can adopt many single tube polyphone systems, promptly two or more single tube heat exchanger made polyphones links with many outdoor main frames.
The same with embodiment 1, the full load or the sub-load work of setting of 5 pairs of waterproof pump box inner storing waters of control circuit board temperature and variations in temperature signal control room outdoor main unit, promptly two main frames are worked or alternation simultaneously, thereby reach the effect of regulating system integral energy output.The variation of coolant-temperature gage reflects indoor actual demand in the storage tank, therefore, the present invention can reach when using the invariable frequency compressor main frame that actual working state according to the indoor equipment height of wind speed (open or close and) is regulated the start and stop of main frame and collaborative work reaches actual energy-saving effect.
In the present embodiment, described refrigerant pipe 14 is two, but in the actual production, can be designed to many according to actual conditions, correspondingly is connected on many outdoor main frames, starts when realizing many outdoor main frames by control circuit board or alternately starts.Certainly, also can be made as a plurality of single tube double pipe heat exchanger series connection, realize the maximum utilization of the energy.
More than explanation only is several preferred embodiments of the present invention; it only is illustrative; rather than as determinate; can make various changes to the present invention as those of ordinary skill in the art; under the condition that does not break away from aim of the present invention, these changes should be included in the protection domain of the presently claimed invention.

Claims (8)

1. the waterproof pump box of a residential central air conditioning, it is connected between outdoor main frame and the indoor set, has storage tank, in storage tank, have heat exchanger, the pump housing, with the feed pipe that the indoor set feed pipe links to each other, it is characterized in that:
Described storage tank communicates with ambient atmosphere gas, and its bottom storage has water;
Described heat exchanger has condenser pipe and return pipe, and the two ends of condenser pipe link to each other with outdoor main frame respectively, and the return pipe of return pipe one end indoor set links to each other, and the other end directly is opened on bottom half; Wherein the partial condensation pipe is built in the return pipe;
The described pump housing is an immersible pump, is installed on the storage tank bottom, and this immersible pump has suction inlet and delivery port, and delivery port links to each other with described feed pipe;
Having respectively on described return pipe and the feed pipe can be with its inner fluid blocking-up or the valve body of connecting; This valve body is opened simultaneously or is closed;
Be provided with also in the described storage tank that be connected with external water source can be to the filling pipe of storage tank moisturizing.
2. waterproof pump box as claimed in claim 1 is characterized in that the part that is built-in with condenser pipe of described return pipe is wound into the spiral circle cylinder.
3. waterproof pump box as claimed in claim 2 is characterized in that described immersible pump is positioned at the center of spiral circle cylinder.
4. waterproof pump box as claimed in claim 3 is characterized in that further including an outer container, and this outer container has the control circuit board of reception external command with the application valve body switch, and its inwall has the cotton layer of noise reduction; Described storage tank is positioned at this outer container, and the storage tank outer wall is provided with the thermal insulating layer.
5. as claim 1 or 4 described waterproof pump boxs, it is characterized in that the valve body on the described return pipe is a magnetic valve, the valve body on the described feed pipe is a check valve.
6. as claim 1 or 4 described waterproof pump boxs, it is characterized in that described condenser pipe is many, described condenser pipe passes through the balanced welding means of spot welds together, and the spacing of adjacent symmetric solder joint is 200mm to 300mm.
7. waterproof pump box as claimed in claim 4 is characterized in that the peristome of described outer container is provided with tank lid, and the water tank top is provided with rubber closure; Rubber closure and tank lid are one, which is provided with automatic row's suction hole.
8. waterproof pump box as claimed in claim 7 is characterized in that described automatic row's suction hole is to be provided with a circular hole in the tank lid, and rubber closure is provided with one " cross " otch in the position of corresponding circular hole.
CN 200410030970 2004-04-01 2004-04-01 Domestic central air-conditioning water pump box Expired - Fee Related CN1282854C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410030970 CN1282854C (en) 2004-04-01 2004-04-01 Domestic central air-conditioning water pump box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410030970 CN1282854C (en) 2004-04-01 2004-04-01 Domestic central air-conditioning water pump box

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Publication Number Publication Date
CN1677003A CN1677003A (en) 2005-10-05
CN1282854C true CN1282854C (en) 2006-11-01

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CN 200410030970 Expired - Fee Related CN1282854C (en) 2004-04-01 2004-04-01 Domestic central air-conditioning water pump box

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113556924A (en) * 2021-07-02 2021-10-26 中国船舶重工集团公司第七二四研究所 Integrated water supply heat exchange device

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