CN205356938U - Constant temperature network rack - Google Patents
Constant temperature network rack Download PDFInfo
- Publication number
- CN205356938U CN205356938U CN201620083363.0U CN201620083363U CN205356938U CN 205356938 U CN205356938 U CN 205356938U CN 201620083363 U CN201620083363 U CN 201620083363U CN 205356938 U CN205356938 U CN 205356938U
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- China
- Prior art keywords
- resistance
- coupled
- cabinet
- temperature
- cooling fan
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Abstract
The utility model discloses a constant temperature network rack has solved the internal portion of cabinet and has generated heat easily and result in the problem that the rack can not normal operating, and its technical scheme main points are, including the cabinet body, the ventilation hole has been seted up to the top surface of the cabinet body, is provided with cooling fan on the ventilation hole, is equipped with on the cabinet body to start cooling fan when the internal temperature of cabinet exceedes the setting value, stops cooling fan's control by temperature change circuit when the internal temperature of cabinet is less than the setting value, the utility model discloses a constant temperature network rack utilizes cooling fan to discharge away heat produced in the rack from the ventilation hole to reduce the internal temperature of cabinet, the control by temperature change circuit can stop cooling fan according to internal automatic the opening of temperature of cabinet, makes the internal keep a constant temperature of portion of cabinet, has saved manual control's trouble, can save the electric energy simultaneously.
Description
Technical field
This utility model relates to a kind of network cabinet, particularly to a kind of constant temperature network cabinet.
Background technology
Network cabinet is equipment conventional in data center module, it is in the process run, electronic component in cabinet can generate heat because of current work, cause that interior of equipment cabinet temperature raises, particularly during the broiling summer, rack is in hot environment to be easily caused the impaired performance of element and is even burned out, and affects the normal operation of network cabinet, therefore there is also certain room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of constant temperature network cabinet preventing cabinet internal temperature too high.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of constant temperature network cabinet, including cabinet, the end face of described cabinet offers air vent, described air vent is provided with cooling fan, described cabinet is provided with the startup cooling fan when the temperature in cabinet exceedes setting value, stops the temperature control circuit of cooling fan when the temperature in cabinet is lower than setting value.
As preferably, the end face of described cabinet is additionally provided with dust cover, and described dust cover includes cover plate and is surrounded on the side plate of cover plate surrounding, and described cover plate offers multiple first louvre, described side plate is perpendicularly fixed at the edge of cover plate, and described side plate uniformly offers multiple second louvre.
As preferably, away from the installing plate that is fixed with of cover plate on described side plate, described installing plate is arranged at the inner side of side plate and is parallel to each other with cover plate, and described installing plate offers screw, and described installing plate is fixed by the end face of some securing members Yu cabinet.
As preferably, described temperature control circuit includes:
For the temperature in detecting box body the temperature detecting unit exporting relevant temperature detection signal；
In response to described temperature detection signal the control unit exporting corresponding control signal；
In response to the described control signal performance element with on or off cooling fan current supply circuit.
As preferably, described temperature detecting unit includes negative tempperature coefficient thermistor Rt and resistance R1, and one end of negative tempperature coefficient thermistor Rt is coupled to voltage V1, and the other end is coupled to one end of resistance R1, the other end ground connection of resistance R1.
As preferably, described control unit includes:
The a end of variable resistance Rp and resistance R2, variable resistance Rp is coupled to voltage V1, b end and is coupled to one end of resistance R2, the other end ground connection of resistance R2；
Comparator A1, its in-phase input end is coupled to negative tempperature coefficient thermistor Rt and the junction point of resistance R1, and inverting input is coupled to variable resistance Rp and the junction point of resistance R2；
Diode D1, resistance R3 and electric capacity C1, the anode of diode D1 is coupled to the outfan of comparator A1, and negative electrode is coupled to one end of electric capacity C1, the other end ground connection of electric capacity C1, one end of resistance R3 is coupled to the outfan of comparator A1, and the other end is coupled to the junction point of diode D1 and electric capacity C1；
Resistance R4, R5 and comparator A2, one end of resistance R4 is coupled to voltage V2, the other end is coupled to one end of resistance R5, the other end ground connection of resistance R5, the in-phase input end of comparator A2 is coupled to the junction point of diode D1 and electric capacity C1, inverting input is coupled to the junction point of resistance R4 and R5, its outfan output control signal.
As preferably, described performance element includes:
Relay K, audion Q, resistance R6 and diode D2, one end of the coil of relay K is coupled to voltage V3, the other end is coupled to the colelctor electrode of audion Q, the emitter stage of audion Q is coupled to one end of resistance R6, the other end ground connection of resistance R6, the normally opened contact K-1 of relay K is series at the coil inverse parallel of the current supply circuit of cooling fan, diode D2 and relay K.
In sum, this utility model has the advantages that and utilizes cooling fan to be emitted from disposed at air vent by heat produced in rack, thus the temperature reduced in cabinet, temperature control circuit can according to the temperature automatic start-stop cooling fan in cabinet, make cabinet internal maintenance constant temperature, eliminate manually operated trouble, electric energy can be saved simultaneously, dust cover is it can be avoided that dust enters in cooling fan, to keep the performance of cooling fan, the second louvre being uniformly arranged on side plate ensure that the discharge of hot blast, on installing plate, screw and securing member coordinates the end face that dust cover can be fixed on rack, it is also easy to dismounting, convenient cleaning and replacing.
Accompanying drawing explanation
Fig. 1 is the explosive view of the present embodiment；
Fig. 2 is the enlarged diagram in A portion shown in Fig. 1；
Fig. 3 is the structural representation of dust cover in the present embodiment；
Fig. 4 is the enlarged diagram in B portion shown in Fig. 3；
Fig. 5 is the circuit diagram of temperature control circuit in the present embodiment.
In figure: 1, cabinet；2, cooling fan；3, temperature control circuit；4, dust cover；5, cover plate；6, side plate；7, the second louvre；8, installing plate；9, screw；10, temperature detecting unit；11, control unit；12, performance element；13, the first louvre.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made the amendment not having creative contribution as required by those skilled in the art after reading this specification, but as long as being affected by the protection of Patent Law in right of the present utility model.
The disclosed a kind of constant temperature network cabinet of the present embodiment, including cabinet 1, the end face of cabinet 1 offers air vent, heat exchange is carried out with ambient air after generating heat due to the components and parts in rack, make air heating, hot-air can come the top of rack, air vent is provided with cooling fan 2, utilize cooling fan 2 can be discharged into outside cabinet 1 by air vent by heat produced by components and parts in rack, the quantity of air vent is preferably two, the quantity of the cooling fan 2 corresponding with air vent is preferably also two, the passage making discharges heat increases, thus strengthening the radiating effect of rack, cabinet 1 is provided with the startup cooling fan 2 when the temperature in cabinet 1 exceedes setting value, the temperature control circuit 3 of cooling fan 2 is stopped when the temperature in cabinet 1 is lower than setting value, temperature control circuit 3 can control the start and stop of cooling fan 2 according to the change of temperature in cabinet 1, eliminate manually operated trouble, the temperature in cabinet 1 is enable to be maintained in certain numerical range, avoid that temperature is too high affects the properly functioning of rack.
The end face of cabinet 1 is additionally provided with dust cover 4, can effectively reduce dust and enter in cooling fan 2, thus extending the service life of cooling fan 2, dust cover 4 includes cover plate 5 and is surrounded on the side plate 6 of cover plate 5 surrounding, side plate 6 is perpendicularly fixed at the edge of cover plate 5, cover plate 5 can the entrance of effective blocks dust, side plate 6 plays the effect of support, cover plate 5 can be raised, sufficient running space is provided for cooling fan 2, increase its radiating effect, cover plate 5 offers multiple first louvre 13, side plate 6 uniformly offers multiple second louvre 7, the hot blast that cooling fan 2 is released successfully can be discharged into outside dust cover 4.
On side plate 6 away from cover plate 5 while being fixed with installing plate 8, installing plate 8 is arranged at the inner side of side plate 6 and is parallel to each other with cover plate 5, make installing plate 8 will not exposed outside, more attractive in appearance, installing plate 8 offers screw 9, installing plate 8 is fixed by the end face of some securing members Yu cabinet 1, securing member is preferably screw, screw has the advantage of simple in construction, easy accessibility, good fixing effect, can be installed on rack by dust cover 4 easily by screw, dismantles also convenient simultaneously.
Temperature control circuit 3 includes: for detecting the temperature in cabinet 1 and exporting the temperature detecting unit 10 of relevant temperature detection signal, temperature detecting unit 10 includes negative tempperature coefficient thermistor Rt and resistance R1, negative tempperature coefficient thermistor is also known as NTC thermistor, the sensor resistance that to be a kind of resistance value increase with temperature and reduces, one end of negative tempperature coefficient thermistor Rt is coupled to voltage V1, the other end is coupled to one end of resistance R1, the other end ground connection of resistance R1, negative tempperature coefficient thermistor Rt and resistance R1 constitutes bleeder circuit, when the temperature in cabinet 1 rises, the resistance of negative tempperature coefficient thermistor Rt reduces, node voltage between above-mentioned two resistance rises therewith, on the contrary, when the temperature in cabinet 1 declines, the resistance of negative tempperature coefficient thermistor Rt increases, node voltage between negative tempperature coefficient thermistor Rt and resistance R1 declines therewith.
In response to temperature detection signal the control unit 11 exporting corresponding control signal, control unit 11 includes: variable resistance Rp and resistance R2, the a end of variable resistance Rp is coupled to voltage V1, b end is coupled to one end of resistance R2, the other end ground connection of resistance R2, variable resistance Rp and resistance R2 also constitutes a bleeder circuit, makes the node voltage between variable resistance Rp and resistance R2 adjustable, thus regulating the setting value of maximum permissible temperature.
Comparator A1, its in-phase input end is coupled to negative tempperature coefficient thermistor Rt and the junction point of resistance R1, and inverting input is coupled to variable resistance Rp and the junction point of resistance R2；Diode D1, resistance R3 and electric capacity C1, the anode of diode D1 is coupled to the outfan of comparator A1, and negative electrode is coupled to one end of electric capacity C1, the other end ground connection of electric capacity C1, one end of resistance R3 is coupled to the outfan of comparator A1, and the other end is coupled to the junction point of diode D1 and electric capacity C1；Resistance R4, R5 and comparator A2, one end of resistance R4 is coupled to voltage V2, the other end is coupled to one end of resistance R5, the other end ground connection of resistance R5, the in-phase input end of comparator A2 is coupled to the junction point of diode D1 and electric capacity C1, inverting input is coupled to the junction point of resistance R4 and R5, its outfan output control signal.
Diode D1, electric capacity C1 and resistance R3 form a time delay process, resistance R4 and R5 provides threshold voltage for comparator A2, when the temperature in rack is lower than the maximum permissible temperature set, node voltage between negative tempperature coefficient thermistor Rt and resistance R1 lower than the node voltage between variable resistance Rp and resistance R2, the equal output low level signal of comparator A1 and A2；When the temperature in rack is higher than the maximum permissible temperature set, node voltage between negative tempperature coefficient thermistor Rt and resistance R1 is higher than the node voltage between variable resistance Rp and resistance R2, comparator A1 and A2 all exports high level signal, and at this moment electric capacity C1 is charged by the outfan of comparator A1；When the temperature in rack drops to maximum permissible temperature, comparator A1 output low level signal, electric capacity C1 and resistance R3 forms discharge loop, the node voltage between electric capacity C1 and diode D1 is made to be gradually lowered, when the voltage of electric capacity C1 drops below the node voltage between resistance R4 and R5, comparator A2 just output low level signal function is in performance element 12, so that control unit 11 keeps output low level signal after a period of time, prevent the recurrent fluctuations near setting value of the temperature in rack, add control unit 11 and keep the ability of high level signal.
In response to the control signal performance element 12 with on or off cooling fan 2 current supply circuit, performance element 12 includes: relay K, audion Q, resistance R6 and diode D2, one end of the coil of relay K is coupled to voltage V3, the other end is coupled to the colelctor electrode of audion Q, the emitter stage of audion Q is coupled to one end of resistance R6, the other end ground connection of resistance R6, the normally opened contact K-1 of relay K is series at the current supply circuit of cooling fan 2, the coil inverse parallel of diode D2 and relay K, diode D2 plays the effect of afterflow, when the coil blackout of relay K, residual electric current in coil can be discharged by diode D2, prevent from the colelctor electrode of audion Q is impacted, when the base stage of audion Q receives high level signal, audion Q turns on, the coil of relay K obtains electric adhesive, its normally opened contact K-1 closes, the current supply circuit of cooling fan 2 is switched on, cooling fan 2 brings into operation；When the base stage of audion Q receives low level signal, audion Q ends, and the coil losing electricity of relay K resets, its normally opened contact K-1 disconnects, and the current supply circuit of cooling fan 2 is cut off, and makes cooling fan 2 out of service, the effect of resistance its current limliting of R6, it is prevented that electric current during audion Q conducting is excessive.
After network cabinet brings into operation, temperature in cabinet 1 begins to ramp up, the resistance of negative tempperature coefficient thermistor Rt reduces therewith, the voltage being applied to comparator A1 in-phase input end is made to increase, when temperature has exceeded maximum permissible temperature, the in-phase input end voltage of comparator A1 is more than the voltage of its inverting input, finally make comparator A2 export high level signal and act on the base stage of audion Q, audion Q is made to turn on, the coil of relay K obtains electric adhesive, its normally opened contact K-1 closes, cooling fan 2 is made to run, heat is taken to outside cabinet 1 by the second louvre 7, so that the temperature in cabinet 1 can be maintained at a steady state value, the temperature avoiding interior of equipment cabinet is too high.
After network cabinet is out of service, temperature in cabinet 1 declines, the resistance of negative tempperature coefficient thermistor Rt increases therewith, the voltage being applied to comparator A1 in-phase input end is made to reduce, when temperature drops to below maximum permissible temperature, the in-phase input end voltage of comparator A1 is less than the voltage of its inverting input, finally make comparator A2 output low level signal function in the base stage of audion Q, audion Q is made to end, the coil losing electricity of relay K resets, its normally opened contact K-1 disconnects, and makes cooling fan 2 out of service, to reach to save the purpose of electric energy.
Claims (7)
1. a constant temperature network cabinet, including cabinet, it is characterized in that: the end face of described cabinet offers air vent, described air vent is provided with cooling fan, described cabinet is provided with the startup cooling fan when the temperature in cabinet exceedes setting value, stops the temperature control circuit of cooling fan when the temperature in cabinet is lower than setting value.
2. a kind of constant temperature network cabinet according to claim 1, it is characterized in that: the end face of described cabinet is additionally provided with dust cover, described dust cover includes cover plate and is surrounded on the side plate of cover plate surrounding, described cover plate offers multiple first louvre, described side plate is perpendicularly fixed at the edge of cover plate, and described side plate uniformly offers multiple second louvre.
3. a kind of constant temperature network cabinet according to claim 2, it is characterized in that: described side plate is fixed with installing plate away from cover plate, described installing plate is arranged at the inner side of side plate and is parallel to each other with cover plate, offering screw on described installing plate, described installing plate is fixed by the end face of some securing members Yu cabinet.
4. a kind of constant temperature network cabinet according to claim 1 or 2 or 3, is characterized in that: described temperature control circuit includes:
For the temperature in detecting box body the temperature detecting unit exporting relevant temperature detection signal；
In response to described temperature detection signal the control unit exporting corresponding control signal；
In response to the described control signal performance element with on or off cooling fan current supply circuit.
5. a kind of constant temperature network cabinet according to claim 4, it is characterized in that: described temperature detecting unit includes negative tempperature coefficient thermistor Rt and resistance R1, one end of negative tempperature coefficient thermistor Rt is coupled to voltage V1, and the other end is coupled to one end of resistance R1, the other end ground connection of resistance R1.
6. a kind of constant temperature network cabinet according to claim 5, is characterized in that: described control unit includes:
The a end of variable resistance Rp and resistance R2, variable resistance Rp is coupled to voltage V1, b end and is coupled to one end of resistance R2, the other end ground connection of resistance R2；
Comparator A1, its in-phase input end is coupled to negative tempperature coefficient thermistor Rt and the junction point of resistance R1, and inverting input is coupled to variable resistance Rp and the junction point of resistance R2；
Diode D1, resistance R3 and electric capacity C1, the anode of diode D1 is coupled to the outfan of comparator A1, and negative electrode is coupled to one end of electric capacity C1, the other end ground connection of electric capacity C1, one end of resistance R3 is coupled to the outfan of comparator A1, and the other end is coupled to the junction point of diode D1 and electric capacity C1；
Resistance R4, R5 and comparator A2, one end of resistance R4 is coupled to voltage V2, the other end is coupled to one end of resistance R5, the other end ground connection of resistance R5, the in-phase input end of comparator A2 is coupled to the junction point of diode D1 and electric capacity C1, inverting input is coupled to the junction point of resistance R4 and R5, its outfan output control signal.
7. a kind of constant temperature network cabinet according to claim 6, is characterized in that: described performance element includes:
Relay K, audion Q, resistance R6 and diode D2, one end of the coil of relay K is coupled to voltage V3, the other end is coupled to the colelctor electrode of audion Q, the emitter stage of audion Q is coupled to one end of resistance R6, the other end ground connection of resistance R6, the normally opened contact K-1 of relay K is series at the coil inverse parallel of the current supply circuit of cooling fan, diode D2 and relay K.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083363.0U CN205356938U (en) | 2016-01-27 | 2016-01-27 | Constant temperature network rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620083363.0U CN205356938U (en) | 2016-01-27 | 2016-01-27 | Constant temperature network rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205356938U true CN205356938U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620083363.0U Expired - Fee Related CN205356938U (en) | 2016-01-27 | 2016-01-27 | Constant temperature network rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205356938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107454779A (en) * | 2017-07-06 | 2017-12-08 | 安徽禄讯电子科技有限公司 | A kind of radio communication protecting box of passive device |
-
2016
- 2016-01-27 CN CN201620083363.0U patent/CN205356938U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107454779A (en) * | 2017-07-06 | 2017-12-08 | 安徽禄讯电子科技有限公司 | A kind of radio communication protecting box of passive device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20200127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |