CN203771618U - Double-fan system - Google Patents
Double-fan system Download PDFInfo
- Publication number
- CN203771618U CN203771618U CN201420014625.9U CN201420014625U CN203771618U CN 203771618 U CN203771618 U CN 203771618U CN 201420014625 U CN201420014625 U CN 201420014625U CN 203771618 U CN203771618 U CN 203771618U
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- blower fan
- main valve
- valve
- fan group
- passing
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- 238000005192 partition Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000000523 sample Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
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Abstract
The utility model provides a double-fan system which is used for the technical field of refrigerating. The double-fan system comprises a first fan group and a second fan group, wherein the first fan group and the second fan group are connected in series and are provided with a common air duct. According to the double-fan system provided by the utility model, on the premise that continuous ventilating can be carried out when the double-fan system is in failure and through the changing of a connecting mode of the fan groups and the design of the air duct, the size of the fan groups is reduced to a large extent, the occupied area is obviously reduced, and the cost is correspondingly reduced.
Description
Technical field
The utility model relates to refrigeration technology field, relates in particular to a kind of pair of blower fan system.
Background technology
Conventionally, under some occasions, central air-conditioning need to have lasting ventilation function, in order to avoid cause damage when breaking down or shutting down; In this case, central air-conditioning generally can be used two blower fan (a main air unit and a standby fan group) systems, to guarantee to continue ventilation, that is, when a blower fan group breaks down, also can in the short time, be switched to the operation of blower fan group and continue to ventilate at the utmost point.At present, the two blower fan systems that adopt adopt two air channels operational mode mostly, that is, and and air channel paralleling model.Although this structure can be realized handoff functionality, volume is large, area occupied is large, causes cost of investment also very high.
For example, referring to Fig. 5, a kind of parallel pair of blower fan system 10 ' is shown.This parallel pair of blower fan system 10 ' mainly comprises main air unit 1 ' and standby fan group 2 '.In this parallel structure, when main air unit 1 ' breaks down, can switch to the operation of standby fan group 2 ', guarantee to continue ventilation function.
Yet obviously, this parallel pair of blower fan system own vol and floor space are large, cause cost of investment also high.
Utility model content
The utility model provides a kind of pair of blower fan system, under its prerequisite that also can continue to ventilate when satisfied breaking down, by changing the connected mode of blower fan group and the design in air channel, reduced dramatically the volume of blower fan group and significantly reduced floor space, the corresponding cost that reduced.
The utility model provides a kind of pair of blower fan system like this, and it comprises:
Housing unit, this housing unit has upper plate, lower shoe, left plate and right plate;
The first blower fan group and the second blower fan group, this first blower fan group and the assembling of the second blower fan are located on the lower shoe in housing unit, and connect with series system by a shared air channel;
Baffle assembly, this baffle assembly comprises the first dividing plate, second partition, at least one first main valve, at least one second main valve, at least one first by-passing valve and at least one the second by-passing valve, this first dividing plate is relative with second partition to be installed in housing unit, and respectively over against the air outlet with described the first blower fan and the second blower fan;
Described the first main valve and the second main valve are separately positioned on the first dividing plate with on second partition and relative with the air outlet of the first blower fan and the second blower fan respectively;
Described at least one first by-passing valve and at least one second by-passing valve are separately positioned on described the first dividing plate and second partition, and are distributed in respectively the one or both sides of the first main valve and the second main valve.
Preferably, described pair of blower fan system also comprises control module, described control module is electrically connected to the first blower fan group and the second blower fan group, and be electrically connected to at least one first main valve, at least one second main valve, at least one first by-passing valve, at least one second by-passing valve, in order to control the start and stop of the first blower fan group and the second blower fan group, and the switching of controlling at least one first main valve, at least one second main valve, at least one first by-passing valve and at least one the second by-passing valve.
Preferably, described the first dividing plate also comprises first sensor, is set to monitor and feed back by detecting the both sides pressure reduction of the first dividing plate the running status of the first blower fan; Described second partition also comprises the second sensor, is set to monitor and feed back by detecting the both sides pressure reduction of second partition the running status of the second blower fan.
Preferably, between described the first blower fan and the first motor, by direct interlock or belt transmission, connect, between the second blower fan and the second motor, by direct interlock or belt transmission, connect.
Preferably, described first sensor and described the second sensor are gas differential pressure switch, differential pressure pickup or speed probe.
Preferably, described pair of blower fan system also comprises the first homogenizing plate and the second homogenizing plate, be separately positioned on the air side of at least one first main valve and at least one the second main valve, even for the air-flow that makes to blow out from least one the first main valve and at least one second main valve.
Preferably, described at least one first main valve, described at least one first by-passing valve, described at least one second main valve and described at least one second by-passing valve are check valve or volume damper.
Preferably, described the first blower fan group and the second blower fan group are blower fan group or the permanent rotating speed blower fan groups with speed-regulating function.
Preferably, described at least one first main valve is in closure state, and described at least one first by-passing valve is in opening, and described at least one second main valve is in opening, and described at least one second by-passing valve is in closure state; Alternatively, described at least one first main valve is in opening, and described at least one first by-passing valve is in closure state, and described at least one second main valve is in closure state, and described at least one second by-passing valve is in opening.The state that arranges of each valve can be guaranteed, when the first (the second) blower fan group breaks down, can start the second (the first) blower fan group, guarantees to continue to ventilate.
Accompanying drawing explanation
With reference to the following drawings, in conjunction with nonrestrictive exemplary below, can understand better the utility model, in the accompanying drawings, identical reference number represents identical parts or part.Should be understood that these accompanying drawings are nonrestrictive, may not draw in proportion, and the restriction of drawing based on accompanying drawing, some feature may be not shown or not be marked.In the accompanying drawings:
Fig. 1 is according to the system diagram of two blower fan systems of an embodiment of the present utility model;
Fig. 2 is the top view of the two blower fan systems in Fig. 1;
Fig. 3 is the sectional view that the line A-A along the two blower fan systems in Fig. 1 gets;
Fig. 4 is the sectional view that the line B-B along the two blower fan systems in Fig. 1 gets; And
Fig. 5 is according to the schematic elevational view of a kind of parallel pair of blower fan system of prior art.
Reference numeral:
1: the first blower fan group; 2: the second blower fan groups;
3: housing unit 4: baffle assembly
12: the first motors of 11: the first blower fans
22: the second motors of 21: the second blower fans
31: upper plate 32: lower shoe
33: left plate 34: right plate
Within 41: the first, dividing plate 42: second partition
43: 44: the second sensors of first sensor
46: the second main valves of 45: the first main valves
48: the second by-passing valves of 47: the first by-passing valves
49: the first homogenizing plate the 49 ': the second homogenizing plates
5: control module
10: two blower fan systems; 10 ': parallel pair of blower fan system;
1 ': main air unit; 2 ': standby fan group.
The specific embodiment
Should be understood that following embodiment is only illustrative, is not construed as limiting the utility model.Protection domain of the present utility model is defined by the claims.Should also be understood that in implementing process of the present utility model, needn't comprise all technical characterictics in following embodiment, these technical characterictics can have multiple combination.
In this article, term " on ", D score, " interior ", " outward ", " left side ", " right side " all use for being convenient to reference to accompanying drawing describe, and do not mean that the scope of the present utility model that limits.
In addition, it will be understood by those skilled in the art that for brevity, all parts of two blower fan systems may not be described in detail in detail at this, being described in detail in this and omitting for some conventional components.
Embodiment 1:
Below with reference to Fig. 1-4, describe according to of the present utility model pair of blower fan system 10.
First, referring to figs. 1 to Fig. 4, two blower fan systems 10 according to an embodiment of the present utility model are shown, it comprises: housing unit 3, housing unit has upper plate 31, lower shoe 32, left plate 33 and right plate 34, upper plate 31 and lower shoe 32 are oppositely arranged up and down, and left plate 33 and right plate 34 left and right are oppositely arranged, they connect successively surround a hollow cuboid to hold the remaining part of two blower fan systems.
A first blower fan group 1, has: the first blower fan 11 and the first motor 12.The first blower fan 11 and the first motor 12 are arranged on lower shoe 32, between the first blower fan 11 and the first motor 12, by direct interlock or belt transmission, connect.
A second blower fan group 2, has: the second blower fan 21 and the second motor 22.The second blower fan 21 and the second motor 22 are arranged on lower shoe 32, between the second blower fan 21 and the second motor 22, by direct interlock or belt transmission, connect.Referring to Fig. 1-2, the first blower fan group 1 is connected with series system by a shared air channel with the second blower fan group 2.
A baffle assembly 4, has: the first dividing plate 41, be arranged between upper plate 31 and lower shoe 32, and on the first dividing plate 41, there is opening and be arranged to the air outlet of the first blower fan 11 over against being connected; Second partition 42, is arranged between upper plate 31 and lower shoe 32, has opening and be arranged to the air outlet of the second blower fan 21 over against being connected on second partition 42; The first main valve 45, be arranged on the first dividing plate 41, and the first main valve 45 relative with the air outlet of the first blower fan 11 (more clearly showing in Fig. 2), two the first by-passing valves 47, be arranged on described the first dividing plate 41, and be distributed in the one or both sides of the first main valve 45; The second main valve 46, be arranged on second partition 42, and the second main valve 46 relative with the air outlet of the second blower fan 21 (more clearly showing in Fig. 2), two the second by-passing valves 48, be arranged on described second partition 42, and be distributed in the one or both sides of the second main valve 46; First sensor 43, is arranged on the first dividing plate 41 and by detecting the both sides pressure reduction of the first dividing plate 41, monitors and feed back the running status of the first blower fan 11; The second sensor 44, is arranged on second partition 42 and monitors and feed back by detecting the both sides pressure reduction of second partition 42 running status of the second blower fan 21; And first homogenizing plate 49 and the second homogenizing plate 49 ', and be separately positioned on the air side of the first main valve 45 and the second main valve 46, even for the air-flow that makes to blow out from the first main valve 45 and the second main valve 46.
Control module 5, is electrically connected to the first blower fan group 1 and the second blower fan group 2, in order to control the start and stop of the first blower fan group 1 and the second blower fan group 2; And be electrically connected to the first main valve 45, the second main valve 46, the first by-passing valve 47, the second by-passing valve 48, in order to control the switching of the first main valve 45, the second main valve 46, the first by-passing valve 47, the second by-passing valve 48.
In the utility model, the first blower fan group 1 and the second blower fan group 2 are installed on the lower shoe in housing unit 32, and are arranged to connect with series system by a shared air channel.
Preferably, first sensor 43 and the second sensor 44 can be gas differential pressure switch, differential pressure pickup.
At this, should be understood that the quantity of the first main valve 45, the second main valve 46, the first by-passing valve 47 and the second by-passing valve 48 is not limited to the above, according to actual conditions, the quantity of each valve can be for one or more.
Preferably, described pair of blower fan system 10 also comprises control module 5, and described control module 5 is according to the operation of the first blower fan group 1 described in the signal controlling of described first sensor 43 and described the second sensor 44 and described the second blower fan group 2.
According in of the present utility model pair of blower fan system, for guaranteeing to continue to ventilate, each valve that state is set is as follows: if the first blower fan group 1 is standby fan group, the second blower fan group 2 is main air unit, the first main valve 45 is in closure state, the first by-passing valve 47 is in opening, and the second main valve 46 is in opening, and the second by-passing valve 48 is in closure state; Or if the first blower fan group 1 is main air unit, the second blower fan group 2 is standby fan group, the first main valve 45 is in opening, and the first by-passing valve 47 is in closure state, and the second main valve 46 is in closure state, and the second by-passing valve 48 is in opening.
With reference to Fig. 1, suppose that the first blower fan group 1 is standby fan group, the second blower fan group 2 is main air unit, when normal work, the second main valve 46 of the second blower fan group 2 is in opening, the second by-passing valve 48 in normally off to avoid air-flow to flow backwards, and the first main valve 45 of the first blower fan group 1 remains closed because of the normal operation of the second blower fan group 2, to prevent that the impeller of the second blower fan group 2 from being driven by air-flow, and the first by-passing valve 47 of the first blower fan group 1 is in opening, can make the smooth bypass of air-flow;
When the second blower fan group 2 breaks down while maybe needing to shut down, the signal that the second sensor 44 monitors feeds back to each valve body by control module, now, the second main valve 46 switches to closure state and when the second blower fan group 2 is shut down, by the air-flow of the first blower fan group 1, is driven avoiding, the first main valve 45 of the first blower fan group 1 switches to opening so that do not hinder air-flow after the first wind unit operation and pass through, and the second by-passing valve 48 switch in opening so that the smooth bypass of the air-flow of the first blower fan group 1, the first by-passing valve 47 automatically switches in closure state to avoid gas backstreaming.Thus, of the present utility model pair of blower fan system can be guaranteed to continue to ventilate.
Embodiment 2:
The technical scheme of the present embodiment and embodiment 1 are roughly the same, do not repeat them here.Its difference is, first sensor 43 and the second sensor 44 are current sensors, and are arranged in control module 5, by judging that the electric current of the first motor 12 and the second motor 22 monitors and feed back the running status of the first blower fan group 1 and the second blower fan group 2.
By adopting of the present utility model pair of blower fan system, under the prerequisite that can also can continue to ventilate when meeting blower fan group and break down, by changing the connected mode (being connected in series) of blower fan group and the design (single air channel) in air channel, reduce dramatically the volume of blower fan group and significantly reduced floor space, the also corresponding cost that reduced.
Should be understood that in the situation that not departing from connotation of the present utility model, any for improvement of the present utility model, modification or modification, within being all intended to be included in the protection domain of the utility model appending claims.
Claims (10)
1. two blower fan systems, is characterized in that, comprising:
Housing unit, this housing unit has upper plate, lower shoe, left plate and right plate;
The first blower fan group and the second blower fan group, this first blower fan group and the assembling of the second blower fan are located on the lower shoe in described housing unit, and connect with series system by a shared air channel;
Baffle assembly, this baffle assembly comprises the first dividing plate, second partition, at least one first main valve, at least one second main valve, at least one first by-passing valve and at least one the second by-passing valve, this first dividing plate is relative with second partition to be installed in housing unit, and respectively over against the air outlet with described the first blower fan and described the second blower fan;
Described at least one first main valve and at least one second main valve are separately positioned on described the first dividing plate with on second partition and relative with the air outlet of described the first blower fan and described the second blower fan respectively;
Described at least one first by-passing valve and described at least one second by-passing valve are separately positioned on described the first dividing plate and described second partition, and are distributed in respectively the one or both sides of described the first main valve and described the second main valve.
2. according to claim 1 pair of blower fan system, it is characterized in that, also comprise control module, described control module is electrically connected to described the first blower fan group and described the second blower fan group, and with described at least one first main valve, described at least one second main valve, described at least one first by-passing valve, described at least one second by-passing valve is electrically connected to, in order to control the start and stop of described the first blower fan group and the second blower fan group, and at least one first main valve described in controlling, described at least one second main valve, the switching of described at least one first by-passing valve and described at least one the second by-passing valve.
3. according to claim 2 pair of blower fan system, is characterized in that, described the first dividing plate also comprises first sensor, is set to monitor and feed back by detecting the both sides pressure reduction of described the first dividing plate the running status of described the first blower fan; Described second partition also comprises the second sensor, is set to monitor and feed back by detecting the both sides pressure reduction of described second partition the running status of described the second blower fan.
4. according to the two blower fan systems described in any one in claim 1-3, it is characterized in that, between described the first blower fan and the first motor, by direct interlock or belt transmission, connect, between described the second blower fan and the second motor, by direct interlock or belt transmission, connect.
5. according to claim 3 pair of blower fan system, is characterized in that, described first sensor and described the second sensor are gas differential pressure switch, differential pressure pickup or speed probe.
6. according to the two blower fan systems described in any one in claim 1-3, it is characterized in that, described at least one first main valve is in closure state, described at least one first by-passing valve is in opening, and described at least one second main valve is in opening, and described at least one second by-passing valve is in closure state.
7. according to the two blower fan systems described in any one in claim 1-3, it is characterized in that, described at least one first main valve is in opening, described at least one first by-passing valve is in closure state, and described at least one second main valve is in closure state, and described at least one second by-passing valve is in opening.
8. according to the two blower fan systems described in any one in claim 1-3, it is characterized in that, also comprise the first homogenizing plate and the second homogenizing plate, be separately positioned on the air side of the first main valve and the second main valve, even for the air-flow that makes to blow out from described at least one first main valve and described at least one second main valve.
9. according to the two blower fan systems described in any one in claim 1-3, it is characterized in that, described at least one first main valve, described at least one first by-passing valve, described at least one second main valve and described at least one second by-passing valve are check valve or volume damper.
10. according to the two blower fan systems described in any one in claim 1-3, it is characterized in that, described the first blower fan group and the second blower fan group are with the blower fan group of speed-regulating function or permanent rotating speed blower fan group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014625.9U CN203771618U (en) | 2014-01-09 | 2014-01-09 | Double-fan system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014625.9U CN203771618U (en) | 2014-01-09 | 2014-01-09 | Double-fan system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203771618U true CN203771618U (en) | 2014-08-13 |
Family
ID=51288804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014625.9U Expired - Lifetime CN203771618U (en) | 2014-01-09 | 2014-01-09 | Double-fan system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203771618U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791932A (en) * | 2015-04-03 | 2015-07-22 | 西安工程大学 | Evaporative cooling-mechanical refrigeration combination air conditioning unit provided with automatic control system |
| CN109556254A (en) * | 2018-10-31 | 2019-04-02 | 珠海格力电器股份有限公司 | Indoor fan control method, device, equipment and the medium of two fans air conditioner |
| CN113775851A (en) * | 2021-09-06 | 2021-12-10 | 武汉中仪物联技术股份有限公司 | Double-fan pipeline repair equipment |
| CN115136894A (en) * | 2022-06-14 | 2022-10-04 | 苏州市苏杭科技器材有限公司 | Double-fan system host suitable for experimental animals |
-
2014
- 2014-01-09 CN CN201420014625.9U patent/CN203771618U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791932A (en) * | 2015-04-03 | 2015-07-22 | 西安工程大学 | Evaporative cooling-mechanical refrigeration combination air conditioning unit provided with automatic control system |
| CN104791932B (en) * | 2015-04-03 | 2018-05-18 | 西安工程大学 | Evaporation cooling with automatic control system-mechanical refrigeration joint air-conditioner set |
| CN109556254A (en) * | 2018-10-31 | 2019-04-02 | 珠海格力电器股份有限公司 | Indoor fan control method, device, equipment and the medium of two fans air conditioner |
| CN109556254B (en) * | 2018-10-31 | 2020-01-03 | 珠海格力电器股份有限公司 | Indoor fan control method, device, equipment and medium of double-fan air conditioner |
| CN113775851A (en) * | 2021-09-06 | 2021-12-10 | 武汉中仪物联技术股份有限公司 | Double-fan pipeline repair equipment |
| CN115136894A (en) * | 2022-06-14 | 2022-10-04 | 苏州市苏杭科技器材有限公司 | Double-fan system host suitable for experimental animals |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140813 |
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| CX01 | Expiry of patent term |