CN201479034U - Power supply controlling device of heat exchanging device - Google Patents
Power supply controlling device of heat exchanging device Download PDFInfo
- Publication number
- CN201479034U CN201479034U CN2009201617376U CN200920161737U CN201479034U CN 201479034 U CN201479034 U CN 201479034U CN 2009201617376 U CN2009201617376 U CN 2009201617376U CN 200920161737 U CN200920161737 U CN 200920161737U CN 201479034 U CN201479034 U CN 201479034U
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- power supply
- heat exchanger
- electric contactor
- batteries
- base station
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Abstract
The utility model relates to a power supply controlling device of a heat exchanging device, and belongs to the field of communication. The device controls the power supply of an inner circulating fan and an outer circulating fan which are in the heat exchanging device and a movable station, and comprises an AC/DC conversion module, a storage battery, a lower electric contactor and a relay, wherein the anode input ends of the inner and the outer circulating fans in the heat exchanging device and the movable station are connected with the anode output end of the AC/DC conversion module and the anode of the storage battery, and the relay comprises a controlling end, a normally open contact, a normally closed contact, a public terminal and a controlling unit. When electric current is inputted into an AC input end, the public terminal is communicated with the normally open contact, and when the environment temperature is less than a first set value, the controlling unit controls the lower electric contactor to be switched off. The power supply controlling device can guarantee the normal power supply of the inner and outer circulating fans in the heat exchanging device, leads the mobile station to work normally, and guarantees users to develop a message business immediately.
Description
Technical field
The utility model belongs to the communications field, particularly a kind of power supply control apparatus of heat exchanger.
Background technology
Along with the construction and the development of mobile communications network, in order to solve the covering of network black spots, a large amount of outdoor mobile base stations appears recent years, and the demand of corresponding outdoor communication power supply also heightens.These outdoor mobile base stations often are arranged on the area more remote from town and country, work under bad environment, and day and night temperature is big; Mains-supplied is undesirable, and the often long-time phenomenon of interrupting of appearance power supply, and these mobile base stations is operated in the open air, and the temperature in outdoor temperature, especially evening often is lower than 20 degree Celsius.In view of the work characteristics of mobile base station, its some device often will quit work when ambient temperature is lower than certain numerical value, starts once more when ambient temperature is higher than certain special value.
Based on above reason, outdoor mobile base station requires communication power supply that incorporate power supply power supply solution is provided, and the outdoor communication power supply need be considered the operating characteristic of environment factor, mobile base station, the factors such as operating state of batteries to the power supply of mobile base station.
Be illustrated in figure 1 as a kind of power supply schematic diagram of communication power supply 10, when ambient temperature is higher than the first setting numerical value (for example negative 5 degrees centigrade), if ac input end has the electric current input, control unit 18 controls are electric contactor 16 closures down, be divided into two branch currents from the direct current of ac/dc (AC/DC) modular converter 11 cathode output ends output through the M point, the negative input that first branch current circulating fan 14, following electric contactor 16, N point inside and outside heat exchanger are got back to AC/DC modular converter 11 forms the loop; Second branch current is through the mobile base station 12, electric contactor 16, N point are got back to the negative input formation loop of AC/DC modular converter 11 down.If ac input end no current input, the output current of batteries 13 is divided into two branch currents behind positive pole, M point, the negative pole that first branch current circulating fan 14, following electric contactor 16, N point inside and outside heat exchanger are got back to batteries 13 forms the loop; Second branch current is through the mobile base station 12, electric contactor 16, N point are got back to the negative pole formation loop of batteries down.When ambient temperature is reduced to the second setting numerical value (for example negative 20 degrees centigrade), control unit 18 can be controlled down, and electric contactor 16 disconnects, at this moment, the inside and outside circulating fan 14 of heat exchanger also can shut down, the heat that heat exchanger heats device 15 produces also just can not effectively flow in the rack of mobile base station 12 by circulating fan inside and outside the heat exchanger 14, temperature just can not rise to the last electro-temperature of communication power supply 10 in the rack of mobile base station 12, cause communication power supply 10 can't give the mobile base station 12 power supplies, influence the mobile base station operate as normal.
The utility model content
The utility model provides a kind of power supply control apparatus of heat exchanger, crosses the problem that communication power supply when low can't be powered to the mobile base station to solve in the prior art when ambient temperature.
In order to address the above problem, the utility model provides a kind of power supply control apparatus of heat exchanger, and concrete technical scheme is as follows:
A kind of power supply control apparatus of heat exchanger, be used for the control of powering of circulating fan inside and outside the heat exchanger and mobile base station, comprise ac/dc modular converter, batteries, following electric contactor, the electrode input end of inside and outside circulating fan of described heat exchanger and mobile base station links to each other with the cathode output end of described ac/dc modular converter and the positive pole of batteries, also comprises:
Relay comprises:
Control end is connected the alternating current input jointly with described ac/dc modular converter;
Normally opened contact is connected to described ac/dc modular converter negative input, described batteries negative pole and described electric contactor first end down;
Normally-closed contact is connected to the cathode output end of described down electric contactor second end and described mobile base station; And
Public point is connected to the inside and outside circulating fan cathode output end of described heat exchanger; And
Control unit, its first end connect described first end of electric contactor down, and second end connects described second end of electric contactor down;
When ac input end had the electric current input, described public point and described normally opened contact were connected, and when ambient temperature was lower than the first setting numerical value, the described electric contactor down of described control unit control disconnected.
In the utility model, by disconnection and the closure state of controlling down electric contactor, and the connection status of the common port of relay and normally opened contact, normally-closed contact, when ac input end has the input of interchange, the inside and outside circulating fan direct current supply that can in time guarantee heat exchanger is normal, after making rack interior temperature in mobile base station reach set point, the mobile base station begins operate as normal, ensures that the user in time carries out communication service.
Description of drawings
Fig. 1 is the power supply schematic diagram of the communication power supply that provides of prior art;
Fig. 2 is the structural representation of the power supply control apparatus of the heat exchanger that provides of the utility model.
Embodiment
Core concept of the present utility model is: by disconnection and the closure state of controlling down electric contactor, and the connection status of the common port of relay and normally opened contact, normally-closed contact, can guarantee that heat exchanger is exchanging the back that has a power failure from the batteries work to take power under low temperature environment, but can continuous firing not cause the transition of batteries to discharge, cause the batteries capacity to damage the life-span of having improved batteries; The inside and outside circulating fan direct current supply that can in time guarantee heat exchanger after civil power is sent a telegram here once more again is normal, make temperature in the rack of mobile base station reach set point after, the mobile base station begins operate as normal, ensures that the user in time carries out communication service.
Below in conjunction with accompanying drawing and preferred implementation the technical solution of the utility model is elaborated.
The utility model provides a kind of power supply control apparatus of heat exchanger, be used for the control of powering of circulating fan inside and outside the heat exchanger and mobile base station, comprise ac/dc modular converter, batteries, following electric contactor, the electrode input end of inside and outside circulating fan of heat exchanger and mobile base station links to each other with the cathode output end of ac/dc modular converter and the positive pole of batteries 13, wherein, this device also comprises:
Relay comprises:
Control end is connected the alternating current input jointly with the ac/dc modular converter;
Normally opened contact, connection ac/dc modular converter negative input, batteries negative pole reach first end of electric contactor down;
Normally-closed contact is connected to down second end of electric contactor and the cathode output end of mobile base station; And
Public point is connected to the inside and outside circulating fan cathode output end of heat exchanger; And
Control unit, its first end connect first end of electric contactor down, and second end connects second end of electric contactor down;
When ac input end had the electric current input, public point and normally opened contact were connected, and when ambient temperature was lower than the first setting numerical value, control unit control electric contactor down disconnected.
Further, when the ac input end no current was imported, public point and normally-closed contact were connected, and when the voltage that control unit determines batteries was lower than the magnitude of voltage of setting, control electric contactor down disconnected.
Further, when the ac input end no current was imported, public point and normally-closed contact were connected, and control unit judges that control is the electric contactor closure down when ambient temperature was higher than the second setting numerical value, and wherein, the first setting numerical value is lower than second and sets numerical value.
Further, first control end of the control end of relay links to each other with the live wire of ac input end by resistance.
Below in conjunction with Fig. 2 the utility model is described in detail.
Among Fig. 2, the power supply control apparatus of heat exchanger is a communication power supply 10, the electrode input end of inside and outside circulating fan 14 of heat exchanger and mobile base station 12 links to each other with the cathode output end of ac/dc modular converter 11 and the positive pole of batteries 13, first control end of relay 19 links to each other with the live wire of ac input end by resistance 20, second control end of relay 19 links to each other with the zero line of ac input end, the normally opened contact F of relay 19 is connected to ac/dc modular converter 11 negative inputs, batteries 13 negative poles and following electric contactor 16 first end D, the normally-closed contact G of relay 19 is connected to down the second end E of electric contactor 16 and the cathode output end of mobile base station 12, the public point H of relay 19 is connected to the cathode output end of the inside and outside circulating fan 14 of heat exchanger, first end of control unit 18 connects the first end D of electric contactor 16 down, and second end connects the second end E of electric contactor 16 down.Power supply the principle to communication power supply shown in Figure 2 is described in detail below, and is specific as follows:
When ac input end had the electric current input, the public point H of relay 19 and normally opened contact F connected, at this moment in two kinds of situation:
(1) ambient temperature is higher than the first setting numerical value, when for example the first setting numerical value is for negative 5 degrees centigrade, control unit 18 controls are electric contactor 16 closures down, at this moment, be divided into two branches through the cathode output end of ac/dc modular converter 11 through the M point from the electric current of ac input end input, the electrode input end of first branch current circulating fan 14 inside and outside heat exchanger flows into, cathode output end output, gets back to ac/dc modular converter 11 negative inputs through the first end D, the N point of public point H, the normally opened contact F of relay 19, following electric contactor 16 and forms the loop; 12 electrode input end flows into second branch current through the mobile base station, and cathode output end flows out, through electric contactor 16, N point are got back to ac/dc modular converter 11 negative inputs formation loop down.At this moment, the inside and outside circulating fan 14 of mobile base station 12 and heat exchanger is without the energy of battery consumption group 13.Wherein, first sets numerical value can be provided with according to actual conditions, and protection range of the present utility model is not limited to this numerical value.
When (2) ambient temperature is lower than the second setting numerical value, second sets numerical value is lower than the first setting numerical value, for example, when the second setting numerical value is negative 15 degrees centigrade, control unit 18 controls electric contactor 16 down disconnect, at this moment, from the electric current of ac input end input through the cathode output end of ac/dc modular converter 11 through the M point, the electrode input end of the inside and outside circulating fan 14 of heat exchanger flows into, cathode output end output, public point H through relay 19, normally opened contact F, the first end D of following electric contactor 16, the N point is got back to ac/dc modular converter 11 negative inputs and is formed the loop, be that mobile base station 12 quits work, inside and outside circulating fan 14 operate as normal of heat exchanger, the circulation of air of the rack inside of mobile base station 12, the heat of heat exchanger heats device 15 scatters in the rack of mobile base station 32, temperature raises gradually in 12 racks of mobile base station, when temperature rose to the first setting numerical value, control unit 18 controls are electric contactor 16 closures down, mobile base station 12 beginning operate as normal.Wherein, second sets numerical value can be provided with according to actual conditions, and protection range of the present utility model is not limited to this numerical value.
When ac input end had the no current input, batteries 13 was powered, and the public point H of relay 19 and normally-closed contact G connect, at this moment in two kinds of situation:
(1) ambient temperature is higher than the first setting numerical value, when for example bearing 5 degrees centigrade, control unit 18 controls are electric contactor 16 closures down, at this moment, the electric current of batteries 13 outputs is divided into two branches through anodal, M point, the electrode input end of first branch current circulating fan 14 inside and outside heat exchanger flows into, cathode output end output, gets back to ac/dc modular converter 11 negative inputs and forms the loop through public point H, the normally-closed contact G of relay 19, following electric contactor 16, N point; 12 electrode input end flows into second branch current through the mobile base station, and cathode output end flows out, through electric contactor 16, N point are got back to ac/dc modular converter 11 negative inputs formation loop down.At this moment, mobile base station 12 and inside and outside circulating fan 14 operate as normal of heat exchanger.When the voltage that determines batteries 13 when control unit 18 is lower than the magnitude of voltage of setting; for example; when the voltage of batteries 13 is lower than 48 volts; control unit 18 controls electric contactor 16 down disconnect; batteries 13 stops to 14 power supplies of circulating fan inside and outside mobile base station 12 and the heat exchanger; with protection batteries 13 over-discharge can not, in order to avoid cause damage to batteries 13, thus the life-span of having improved batteries 13.Wherein, the setting numerical value of batteries 13 voltages can be provided with according to actual conditions, and protection range of the present utility model is not limited to this numerical value.
When (2) ambient temperature is lower than the second setting numerical value, second sets numerical value is lower than the first setting numerical value, for example, when second sets numerical value for negative 15 degrees centigrade, control unit 18 controls electric contactor 16 down disconnect, at this moment, batteries 13 stops to 14 power supplies of circulating fan inside and outside mobile base station 12 and the heat exchanger.
In the utility model, by disconnection and the closure state of controlling down electric contactor, and the connection status of the common port of relay and normally opened contact, normally-closed contact, can guarantee that heat exchanger is exchanging the back that has a power failure from the batteries work to take power under low temperature environment, but can continuous firing not cause the transition of batteries to discharge, cause the batteries capacity to damage the life-span of having improved batteries; The inside and outside circulating fan direct current supply that can in time guarantee heat exchanger after civil power is sent a telegram here once more again is normal, make temperature in the rack of mobile base station reach set point after, the mobile base station begins operate as normal, ensures that the user in time carries out communication service.
Claims (4)
1. the power supply control apparatus of a heat exchanger, be used for the control of powering of circulating fan inside and outside the heat exchanger and mobile base station, comprise ac/dc modular converter, batteries, following electric contactor, the electrode input end of inside and outside circulating fan of described heat exchanger and mobile base station links to each other with the cathode output end of described ac/dc modular converter and the positive pole of batteries, it is characterized in that, also comprise:
Relay comprises:
Control end is connected the alternating current input jointly with described ac/dc modular converter;
Normally opened contact is connected to described ac/dc modular converter negative input, described batteries negative pole and described electric contactor first end down;
Normally-closed contact is connected to the cathode output end of described down electric contactor second end and described mobile base station; And
Public point is connected to the inside and outside circulating fan cathode output end of described heat exchanger; And
Control unit, its first end connect described first end of electric contactor down, and second end connects described second end of electric contactor down;
When ac input end had the electric current input, described public point and described normally opened contact were connected, and when ambient temperature was lower than the first setting numerical value, the described electric contactor down of described control unit control disconnected.
2. the power supply control apparatus of heat exchanger as claimed in claim 1, it is characterized in that, when the ac input end no current is imported, described public point and described normally-closed contact are connected, when the voltage that described control unit determines described batteries is lower than the magnitude of voltage of setting, controls described electric contactor down and disconnect.
3. the power supply control apparatus of heat exchanger as claimed in claim 1, it is characterized in that, when the ac input end no current is imported, described public point and described normally-closed contact are connected, described control unit is judged when described ambient temperature is higher than the second setting numerical value, control described electric contactor closure down, described first sets numerical value is lower than the described second setting numerical value.
4. as the power supply control apparatus of any described heat exchanger of claim 1-3, it is characterized in that,
First control end of the control end of described relay links to each other with the live wire of described ac input end by resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201617376U CN201479034U (en) | 2009-07-23 | 2009-07-23 | Power supply controlling device of heat exchanging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201617376U CN201479034U (en) | 2009-07-23 | 2009-07-23 | Power supply controlling device of heat exchanging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201479034U true CN201479034U (en) | 2010-05-19 |
Family
ID=42415288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201617376U Expired - Fee Related CN201479034U (en) | 2009-07-23 | 2009-07-23 | Power supply controlling device of heat exchanging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201479034U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767177A (en) * | 2015-03-31 | 2015-07-08 | 株洲南车时代电气股份有限公司 | Conversion device with temperature control protecting function |
| CN112804777A (en) * | 2019-11-13 | 2021-05-14 | 株洲中车时代电气股份有限公司 | Heating control device and method for external screen cabinet of rail transit vehicle |
-
2009
- 2009-07-23 CN CN2009201617376U patent/CN201479034U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767177A (en) * | 2015-03-31 | 2015-07-08 | 株洲南车时代电气股份有限公司 | Conversion device with temperature control protecting function |
| CN104767177B (en) * | 2015-03-31 | 2017-10-03 | 株洲南车时代电气股份有限公司 | A kind of converter plant with temperature control defencive function |
| CN112804777A (en) * | 2019-11-13 | 2021-05-14 | 株洲中车时代电气股份有限公司 | Heating control device and method for external screen cabinet of rail transit vehicle |
| CN112804777B (en) * | 2019-11-13 | 2022-03-08 | 株洲中车时代电气股份有限公司 | Heating control device and method for external screen cabinet of rail transit vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130723 |