CN218123629U - Hydrogen-discharging ventilation system between batteries - Google Patents
Hydrogen-discharging ventilation system between batteries Download PDFInfo
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- CN218123629U CN218123629U CN202222385581.8U CN202222385581U CN218123629U CN 218123629 U CN218123629 U CN 218123629U CN 202222385581 U CN202222385581 U CN 202222385581U CN 218123629 U CN218123629 U CN 218123629U
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Abstract
The utility model relates to a hydrogen discharge ventilation system between battery, be equipped with the multiunit group battery between the battery, ventilation system includes the ventilation unit, the control unit, the detecting element, the control unit and ventilation unit communication connection in proper order, the detecting element is used for detecting the hydrogen concentration between the battery, and transmit the hydrogen concentration testing result to the control unit, the operating power of the hydrogen concentration testing result dynamic adjustment ventilation unit of control unit according to receiving, the ventilation unit is arranged in between the hydrogen discharge battery that produces in the group battery operation, so that the hydrogen concentration in the battery is maintained under safe concentration. The utility model discloses a each parts collaborative work of hydrogen discharge ventilation system between battery, with hydrogen concentration control between the battery under safe concentration, ventilation system adopts frequency conversion control simultaneously, and automatic operation is more energy-concerving and environment-protective, has also reduced personnel's use, further ensures the safety of personnel, equipment and property.
Description
Technical Field
The utility model relates to a ventilation field, more specifically say, relate to a hydrogen discharge ventilation system between battery.
Background
A typical data center power supply system is an uninterruptible power supply that ensures that loads are continuously powered before the backup power supply is activated when the utility power supply is interrupted. At present, the uninterruptible power supply mainly adopts a lead-acid storage battery to realize energy storage.
The storage battery is used as energy storage equipment, a battery room is generally independently arranged in a data center, a plurality of storage batteries are assembled into a battery pack, the battery pack is arranged on a battery rack between the batteries, however, the lead-acid storage battery can generate hydrogen in the using process, and a room is generally a closed room. Aiming at the battery room, in order to guarantee personal safety and property safety, it is particularly important to match a hydrogen exhaust ventilation system under the scene.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the present invention is to provide a hydrogen discharge ventilation system between batteries, which is directed to the above-mentioned defects of the prior art.
The utility model provides a technical scheme that its technical problem adopted is: the method comprises the following steps of constructing a hydrogen discharge ventilation system between batteries, wherein a plurality of groups of battery packs are arranged between the batteries, and the ventilation system comprises a ventilation unit, a control unit and a detection unit;
the detection unit is in communication connection with the control unit and is used for detecting the hydrogen concentration between the batteries and transmitting the detection result of the hydrogen concentration to the control unit;
the control unit is in communication connection with the ventilation unit, the control unit dynamically adjusts the operation power of the ventilation unit according to the received hydrogen concentration detection result, and the ventilation unit is used for discharging hydrogen generated in the operation of the battery pack out of the battery room so as to maintain the hydrogen concentration in the battery room below a safe concentration.
In some embodiments, the ventilation unit includes a fan and an air valve, the ventilation system further includes a power supply unit, the power supply unit further includes a power distribution box, the fan and the air valve are electrically connected with the power distribution box, and the fan and the air valve are electrified and started simultaneously to discharge hydrogen in the battery room.
In some embodiments, the control unit comprises an upper computer and a frequency converter, the upper computer is in communication connection with the detection unit, the frequency converter is electrically connected with the ventilation unit, the upper computer receives a hydrogen concentration detection result and dynamically adjusts the output frequency of the frequency converter according to the hydrogen concentration detection result, so that the frequency converter controls the fan to operate under different powers.
In some embodiments, the control unit further comprises a time control module that controls the indirect and periodic operation of the fan.
In some embodiments, the time control module is electrically connected to the damper to control the damper to close in a delayed manner.
In some embodiments, the detecting unit includes hydrogen detection host computer and is used for detecting the hydrogen detector of hydrogen concentration between the battery, hydrogen detection host computer with host computer communication connection, the hydrogen detector is uploaded hydrogen concentration testing result to hydrogen detection host computer, hydrogen detection host computer with hydrogen concentration testing result transmission extremely the host computer makes the host computer carry out dynamic adjustment according to hydrogen concentration testing result the operating power of fan.
In some embodiments, the ventilation system further comprises an alarm unit comprising an alarm communicatively coupled to the hydrogen detector for alerting the hydrogen detector of the abnormal hydrogen concentration result.
In some embodiments, the ventilation system is further provided with a first switch, the first switch is connected with the frequency converter in parallel, the first switch and the frequency converter are respectively in communication connection with the control unit, when the upper computer receives an abnormal hydrogen concentration detection result, the first switch is controlled to be turned on, the frequency converter is turned off, so that the power distribution box is communicated with the fan, and the fan operates at the maximum power.
In some embodiments, the power supply unit further comprises a fire protection circuit, the fan and the air valve being connected to the fire protection circuit to be powered by the fire protection circuit when the power distribution box power supply is cut off.
A cell compartment having a stack disposed therein, comprising said cell compartment hydrogen venting system for maintaining a hydrogen concentration between said cells below a safe concentration.
Implement the utility model discloses a hydrogen ventilation system discharges between battery has following beneficial effect: each part collaborative work of the battery room hydrogen discharge ventilation system of this embodiment, with hydrogen concentration control under safe concentration between the battery, ventilation system adopts frequency conversion control simultaneously, and automatic operation is more energy-concerving and environment-protective, has also reduced personnel's use, further ensures the safety of personnel, equipment and property.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
FIG. 1 is a schematic view of an inter-cell hydrogen discharge ventilation system in the present embodiment;
fig. 2 is an electrical control diagram of the inter-cell hydrogen discharge ventilation system in the present embodiment.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, in the present embodiment, a battery pack is provided between the batteries, and the ventilation system includes a ventilation unit 1, a control unit 2, and a detection unit 3.
The detection unit 3 is in communication connection with the control unit 2, the detection unit 3 is used for detecting the hydrogen concentration between the batteries and transmitting the detection result of the hydrogen concentration to the control unit 2, the control unit 2 is in communication connection with the ventilation unit 1, the control unit 2 dynamically adjusts the operation power of the ventilation unit 1 according to the received detection result of the hydrogen concentration, and the ventilation unit 1 is used for exhausting hydrogen generated in the operation of the battery pack out of the batteries so as to maintain the hydrogen concentration in the batteries below the safe concentration.
In this embodiment, the safety concentration is 4%, and when the hydrogen concentration between the battery was more than 4%, the accident can take place between the battery, influences the operation of group battery, causes loss of property and bodily injury even.
When the hydrogen concentration is below the safe concentration, that is, in the normal operation mode, the control unit 2 adjusts the operation of the ventilation unit 1 according to the hydrogen concentration detection result received from the detection unit 3, so that the ventilation unit 1 operates under different powers or intermittently and periodically operates, the hydrogen concentration is maintained below the safe concentration, and meanwhile, the energy consumption is reduced, and the energy saving is realized.
When a large amount of hydrogen leaks among the cells, that is, in an accident operation mode, the control unit 2 controls the ventilation unit 1 to operate at full speed at the maximum power to exhaust the hydrogen as soon as possible, so that the concentration of the hydrogen among the cells is quickly reduced below the safe concentration, and the safety among the cells is maintained.
When a fire disaster occurs between the batteries, namely when the ventilation unit is in a disaster discharge working mode, the ventilation unit 1 runs at full speed, so that the influence of a disaster accident is reduced, and the disaster loss is reduced.
In this embodiment, ventilation unit 1 includes fan 11 and blast gate 12, ventilation system still includes power supply unit 4, and power supply unit 4 still includes power distribution box 41, fan 11 and blast gate 12 and power distribution box 41 electric connection, and power distribution box 41 is fan 11 and blast gate 12 power supply, and during closed second switch 411, fan 11 and blast gate 12 start at power distribution box 41 simultaneously to the hydrogen of the interior group battery operation production of discharge battery room reduces the hydrogen concentration of battery spare.
In this embodiment, the control unit 2 includes host computer 21 and converter 22, host computer 21 and the 3 communication connection of detecting element, host computer 21 and converter 22 communication connection, converter 22 and ventilation unit 1 electric connection, detecting element 3 transmits the hydrogen concentration testing result for host computer 21, when the hydrogen concentration testing result that host computer 21 received is 0 to 4%, host computer 21 changes between 30Hz to 50Hz according to the output frequency of hydrogen concentration testing result dynamic adjustment converter 22, so as to let converter 22 carry out frequency conversion regulation to fan 11, make fan 11 move under different power, adjust the wind speed of fan 11, realize energy-conservation.
In this embodiment, the control unit 2 further includes a time control module 23 for controlling the indirect and periodic operation of the fan 11, and the time control device sets an operation time to ensure the indirect and periodic operation of the fan 11, thereby further reducing the energy consumption of the fan 11.
Further, the time control module 23 is electrically connected to the air valve 12 to control the air valve 12 to be closed after a period of time when the air valve stops operating in stages, and the delay time can be freely set.
Preferably, the delay time can be freely set within 0 to 1 minute.
In other embodiments, the start-stop command may be manually issued to the frequency converter 22 by the upper computer 21, so as to manually control the operation of the fan 11, thereby avoiding that the fan 11 cannot be started due to failure of the detection unit 3.
In this embodiment, the detecting unit 3 includes hydrogen detection host computer 31 and the hydrogen detector 32 that is used for detecting hydrogen concentration between the battery, hydrogen detector 32 sets up two or more, hydrogen detection host computer 31 and host computer 21 communication connection, hydrogen detector 32 detects hydrogen concentration between the battery, and upload hydrogen concentration testing result to hydrogen detection host computer 31, then hydrogen detection host computer 31 transmits hydrogen concentration testing result to host computer 21, host computer 21 carries out dynamic adjustment according to the operating power of received hydrogen concentration testing result to fan 11.
Further, two or more battery racks 6 are arranged between the batteries, each group of battery packs is placed on each battery rack 6, and each hydrogen detector 32 is installed above each battery rack 6 to detect whether hydrogen leaks from the corresponding battery packs, so that the failure of the group of battery packs is identified.
In this embodiment, the ventilation system further includes an alarm unit 5, the alarm unit 5 includes a plurality of alarms 51, the alarms 51 are mounted on the battery rack 6, each alarm 51 is in communication connection with a hydrogen detector 32, the hydrogen detector 32 transmits a detection result to the alarm 51 when detecting an abnormal hydrogen concentration, that is, the hydrogen concentration is greater than 4%, and the alarm 51 gives an alarm when receiving the detection result of the abnormal hydrogen concentration, so as to warn an operator of a faulty battery pack position, so that the operator can timely handle the faulty battery pack.
Further, the alarm 51 is an audible and visual alarm to give out an alarm sound and an alarm light when receiving the abnormal hydrogen concentration detection result, so that the operator can quickly locate the position of the failed battery pack, and then quickly handle the failed battery pack, thereby avoiding the occurrence of accidents.
In this embodiment, the ventilation system is further provided with a first switch 24, the first switch 24 is connected in parallel with the frequency converter 22, the first switch 24 and the frequency converter 22 are respectively in communication connection with the upper computer 21, when the upper computer 21 receives the detection result of the abnormal hydrogen concentration, the first switch 24 is controlled to be turned on, the frequency converter 22 is turned off, the fan 11 does not perform frequency conversion regulation of the frequency converter 22 at this time, the power distribution box 41 is directly communicated with the fan 11, and the fan 11 runs at the maximum wind speed under the control of the power distribution box 41 to discharge the hydrogen among the batteries as soon as possible and reduce the hydrogen concentration among the batteries.
In this embodiment, the power supply unit 4 further includes a fire-fighting circuit 42, the fan 11 and the air valve 12 are connected to the fire-fighting circuit 42, when the battery is in a fire-fighting mode, the power distribution box 41 cuts off the power supply to the fan 11 and the air valve 12, the fan 11 and the air valve 12 are powered by the fire-fighting circuit 42, at this time, the fan 11 is changed into a fire-fighting exhaust fan, and at this time, the fire-fighting exhaust fan operates at the maximum wind speed under the control of the fire-fighting circuit 42 to handle a disaster accident.
In this embodiment, a Fire Alarm System (FAS) is connected to the control unit 2, and an operator can manually control the operation of the ventilation System through the FAS to prevent the failure of the ventilation System when some components fail, so that hydrogen generated during the operation of the battery pack cannot be discharged, thereby causing an accident.
In this embodiment, the battery compartment further includes a refrigeration device for refrigerating the battery compartment, so as to maintain the temperature of the battery compartment at 15 to 30 ℃, so that the battery pack operates in an optimal state, and the risk of accidents is reduced.
Each part collaborative work of the battery room hydrogen discharge ventilation system of the embodiment controls the hydrogen concentration between the batteries under the safe concentration, and the ventilation system adopts the frequency conversion control, so that the automatic operation is realized, the energy is saved, the environment is protected, the use of personnel is reduced, and the safety of personnel, equipment and property is further ensured.
It is to be understood that the above-described respective technical features may be used in any combination without limitation.
The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (10)
1. A ventilation system for discharging hydrogen among batteries is characterized in that a plurality of groups of battery packs are arranged among the batteries, and the ventilation system comprises a ventilation unit (1), a control unit (2) and a detection unit (3);
the detection unit (3) is in communication connection with the control unit (2), and the detection unit (3) is used for detecting the hydrogen concentration between the batteries and transmitting the detection result of the hydrogen concentration to the control unit (2);
the control unit (2) is in communication connection with the ventilation unit (1), the control unit (2) dynamically adjusts the operation power of the ventilation unit (1) according to the received hydrogen concentration detection result, and the ventilation unit (1) is used for discharging hydrogen generated in the operation of the battery pack out of the battery room so as to maintain the hydrogen concentration in the battery room below a safe concentration.
2. The system of claim 1, wherein the ventilation unit (1) comprises a fan (11) and an air valve (12), the ventilation system further comprises a power supply unit (4), the power supply unit (4) further comprises a power distribution box (41), the fan (11) and the air valve (12) are electrically connected with the power distribution box (41), and the fan (11) and the air valve (12) are energized and activated simultaneously to exhaust hydrogen in the battery.
3. The inter-cell hydrogen discharge ventilation system according to claim 2, wherein the control unit (2) comprises an upper computer (21) and a frequency converter (22), the upper computer (21) is in communication connection with the detection unit (3), the frequency converter (22) is electrically connected with the ventilation unit (1), and the upper computer (21) receives a hydrogen concentration detection result and dynamically adjusts the output frequency of the frequency converter (22) according to the hydrogen concentration detection result, so that the frequency converter (22) controls the fan (11) to operate under different powers.
4. The system according to claim 3, wherein the control unit (2) further comprises a time control module (23) for controlling the indirect and periodic operation of the fan (11).
5. The system according to claim 4, wherein the time control module (23) is electrically connected to the air valve (12) to control the air valve (12) to close in a delayed manner.
6. The inter-cell hydrogen discharge ventilation system according to claim 3, wherein the detection unit (3) comprises a hydrogen detection host (31) and a hydrogen detector (32) for detecting the concentration of hydrogen between the cells, the hydrogen detection host (31) is in communication connection with the upper computer (21), the hydrogen detector (32) uploads a hydrogen concentration detection result to the hydrogen detection host (31), and the hydrogen detection host (31) transmits the hydrogen concentration detection result to the upper computer (21) so that the upper computer (21) dynamically adjusts the operating power of the fan (11) according to the hydrogen concentration detection result.
7. The system according to claim 6, further comprising an alarm unit (5), wherein the alarm unit (5) comprises an alarm (51), and the alarm (51) is in communication with the hydrogen detector (32) for alarming the result of the abnormal hydrogen concentration detected by the hydrogen detector (32).
8. The system according to claim 7, further comprising a first switch (24), wherein the first switch (24) is connected in parallel with the frequency converter (22), the first switch (24) and the frequency converter (22) are in communication connection with the upper computer (21), the upper computer (21) controls the first switch (24) to be turned on when receiving an abnormal hydrogen concentration detection result, the frequency converter (22) is turned off to communicate the power distribution box with the fan (11), and the fan (11) operates at maximum power.
9. The system according to claim 2, wherein the power supply unit (4) further comprises a fire-fighting circuit (42), the blower (11) and the air valve (12) being connected to the fire-fighting circuit (42) to be powered by the fire-fighting circuit (42) when the power supply of the power distribution box (41) is cut off.
10. A cell compartment provided with a battery pack, comprising the inter-cell hydrogen evacuation ventilation system of any one of claims 1 to 9 for maintaining a hydrogen concentration below a safe concentration between the cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222385581.8U CN218123629U (en) | 2022-09-07 | 2022-09-07 | Hydrogen-discharging ventilation system between batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222385581.8U CN218123629U (en) | 2022-09-07 | 2022-09-07 | Hydrogen-discharging ventilation system between batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218123629U true CN218123629U (en) | 2022-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222385581.8U Active CN218123629U (en) | 2022-09-07 | 2022-09-07 | Hydrogen-discharging ventilation system between batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218123629U (en) |
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2022
- 2022-09-07 CN CN202222385581.8U patent/CN218123629U/en active Active
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