CN201464938U - Automatic heating constant temperature control system for base station - Google Patents
Automatic heating constant temperature control system for base station Download PDFInfo
- Publication number
- CN201464938U CN201464938U CN2009200864450U CN200920086445U CN201464938U CN 201464938 U CN201464938 U CN 201464938U CN 2009200864450 U CN2009200864450 U CN 2009200864450U CN 200920086445 U CN200920086445 U CN 200920086445U CN 201464938 U CN201464938 U CN 201464938U
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- resistance
- temperature control
- control system
- constant temperature
- base station
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Abstract
The utility model relates to an automatic heating constant temperature control system for a base station. A heater consists of four PTC sensors and is encapsulated between a heat-conducting plate and a heat-insulation layer; an environmental temperature inductor adopts an NTC sensor; the environmental temperature inductor and a control circuit board are arranged in a shell and are communicated with a power cord; the shell is provided with a switch and a heating indicator lamp; and a temperature control part is arranged in a way that: signal input adopts a bridge comparison circuit, signal processing adopts an operational amplifier circuit and a power apparatus is directly driven to be automatically closed and opened through a triode. When the automatic heating constant temperature control system works, the environmental temperature inductor induces the temperature of the surface of a rechargeable battery; and the heater heats a battery cupboard and then the temperature around the rechargeable battery is increased so that the rechargeable battery can normally work in an external low-temperature environment. According to a signal provided by the environmental temperature inductor, the controller processes the signal and controls the operational mode of the heater. The automatic heating constant temperature control system can automatically induce the variation of environmental temperature, automatically realize heating and realize constant temperature control, and has the characteristics of convenient assembly, low energy consumption and safety use.
Description
Technical field
The utility model relates to a kind of base station with automatic heated constant temperature control system.
Background technology
Under low temperature environment, because accumulator can not effectively utilize or cisco unity malfunction, the design base station is particularly important with automatic heated constant temperature control system.The base station is to heat for automatically the accumulator of base station rack according to ambient temperature situations with automatic heated constant temperature control system main application, realizes thermostatic control, makes the accumulator also can operate as normal under low temperature environment.The base station in time to the accumulator heating, also will be controlled heating process with the automatic heated constant temperature control system temperature on perception accumulator surface rapidly and accurately, avoids the too high fault that causes on other circuit of local temperature, also will consider energy-conservation.
Summary of the invention
The purpose of this utility model is at above-mentioned present situation, aims to provide that the automatic sense ambient temperature of a kind of energy changes and heating automatically, realizes thermostatic control, and base station easy for installation, that energy consumption is low, safe in utilization is with automatic heated constant temperature control system.
The implementation of the utility model purpose is, a kind of base station is with automatic heated constant temperature control system, the well heater of being made up of the PTC sensor is encapsulated between heat-conducting plate and the thermofin, thermofin has fixed head outward, environment temperature inductor, control circuit board encapsulate in the enclosure, and be communicated with power lead, shell is equipped with switch, burner on light
Control circuit is as follows: civil power is 12V through the transformer pressure regulation, rectifier bridge D rectification, three terminal regulator U1 voltage stabilizing, bridge-type comparator circuit through resistance R 1, R2, R3, Rt composition, resistance R 1, R2 connect 6 pin of amplifier IC by resistance R 4, resistance R 3, Rt connect 5 pin of amplifier IC by resistance R 5,7 pin of IC connect the b utmost point that drives triode Q1 by current-limiting resistance R7, burner on light LED, resistance R 9 are connected to the output terminal of three terminal regulator U1 and the C utmost point of triode Q1, and one group of contact switch of relay connects well heater.
The utility model is installed in the lower end of base station rack, and the temperature-sensitive thermistor of environment temperature inductor directly is attached to the accumulator surface, apace the temperature on perception accumulator surface; The well heater of being made up of the PTC sensor is fixed on the outside surface of battery rack bottom, can heat battery rack equably, heat-conducting plate can be fast with temperature transfer to battery rack, the environment temperature around the accumulator improves, and makes the accumulator also can operate as normal under extraneous low temperature environment.The signal that control circuit provides according to the environment temperature inductor, through signal Processing, duty to well heater is controlled, when the temperature on environment temperature inductor perception accumulator surface is lower than the working value of setting, automatically start well heater work, after the temperature on accumulator surface is higher than the working value of setting, cut off heater power source automatically, well heater quits work.
The utility model automatically sense ambient temperature changes and heating automatically, realizes thermostatic control, easy for installation, energy consumption is low, safe in utilization.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the control circuit electrical schematic diagram.
Embodiment
With reference to Fig. 1, the well heater of being made up of several PTC sensors 2 is encapsulated between heat-conducting plate 3 and the thermofin 4, outside the thermofin 4 fixed head 5 is arranged, and environment temperature inductor 1, control circuit board 9 are encapsulated in the shell 7, and be communicated with power lead 6, shell 7 is equipped with switch 8, burner on light 10.
The environment temperature inductor is the NTC sensor, and well heater is made up of 4 PTC sensors 2.
Temperature control part branch of the present utility model, the bridge-type comparator circuit is adopted in the signal input, and signal Processing adopts operational amplification circuit, utilizes the direct driving power device of triode, carries out automatic adhesive and disconnection.
With reference to Fig. 2, transformer TRANS1, rectifier bridge D (being made up of 4 IN4007), capacitor C 11, C12, C13, C14 and three terminal regulator U1 (LM7812) form D.C. regulated power supply, resistance R 1, R2, R3, Rt form the bridge-type comparator circuit, amplifier IC (LM2904) is according to the situation of bridge-type comparator circuit, the output high-low level, R6 is a feedback resistance, and R7 is a current-limiting resistance, and triode Q1 is driving power type relay R ELAY.
During the utility model work, civil power is 12V through the transformer pressure regulation, rectifier bridge D rectification, three terminal regulator U1 voltage stabilizing, and through the bridge-type comparator circuit that resistance R 1, R2, R3, Rt form, R1, R2 carry out dividing potential drop and reference voltage V6 are provided for 6 pin of IC (LM2904).After the control system energized, when temperature descends, it is big that environment temperature sensor Rt resistance becomes, and the 5 pin voltage V5 of IC raise, when being raised to uniform temperature, V5＞V6, the 7 pin output high level of IC, triode conducting this moment, triode drives the relay adhesive, well heater energized by four PTC sensors are formed heats; This moment, pilot lamp LED was bright.When temperature raise, environment temperature sensor Rt resistance diminished, and the 5 pin voltage V5 of IC reduce, when dropping to uniform temperature, V5＜V6, the 7 pin output of IC is low flat, and this moment, triode was not worked, relay disconnects, and the heating of being made up of four PTC sensors stops heating, and this moment, pilot lamp LED did not work.
Claims (2)
1. a base station is with automatic heated constant temperature control system, it is characterized in that being encapsulated between heat-conducting plate and the thermofin by the well heater that several PTC sensors are formed, thermofin has fixed head outward, environment temperature inductor, control circuit board are installed in the enclosure, and be communicated with power lead, shell is equipped with switch, burner on light
Control circuit is as follows: civil power is 12V through the transformer pressure regulation, rectifier bridge D rectification, three terminal regulator U1 voltage stabilizing, resistance R 1, R2, R3, Rt form the bridge-type comparator circuit, resistance R 1, R2 connect 6 pin of amplifier IC by resistance R 4, resistance R 3, Rt connect 5 pin of amplifier IC by resistance R 5,7 pin of IC connect the b utmost point that drives triode Q1 by current-limiting resistance R7, burner on light LED, resistance R 9 are connected to the output terminal of three terminal regulator U1 and the C utmost point of triode Q1, and one group of contact switch of relay connects well heater.
2. a kind of base station according to claim 1 is characterized in that with automatic heated constant temperature control system the environment temperature inductor is the NTC sensor, and well heater is made up of 4 PTC sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200864450U CN201464938U (en) | 2009-06-15 | 2009-06-15 | Automatic heating constant temperature control system for base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200864450U CN201464938U (en) | 2009-06-15 | 2009-06-15 | Automatic heating constant temperature control system for base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201464938U true CN201464938U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200864450U Expired - Fee Related CN201464938U (en) | 2009-06-15 | 2009-06-15 | Automatic heating constant temperature control system for base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201464938U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102458083A (en) * | 2010-10-29 | 2012-05-16 | 北京师范大学 | Embedded type insulated case and insulation control board |
| WO2014139265A1 (en) * | 2013-03-13 | 2014-09-18 | 中兴通讯股份有限公司 | Heater and chip |
| CN105425890A (en) * | 2015-11-17 | 2016-03-23 | 北京海杭通讯科技有限公司 | Intelligent handheld device and temperature increasing circuit thereof |
| CN105628245A (en) * | 2015-12-21 | 2016-06-01 | 国网辽宁省电力有限公司大连供电公司 | Device, system and method of carrying out online detection on battery surface temperature |
| CN102458083B (en) * | 2010-10-29 | 2016-12-14 | 北京师范大学 | Embedded couveuse and preservation and controlling plate |
| CN113054267A (en) * | 2021-03-12 | 2021-06-29 | 海洋王（东莞）照明科技有限公司 | Battery protection circuit and battery module of emergency lamp and emergency lamp |
-
2009
- 2009-06-15 CN CN2009200864450U patent/CN201464938U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102458083A (en) * | 2010-10-29 | 2012-05-16 | 北京师范大学 | Embedded type insulated case and insulation control board |
| CN102458083B (en) * | 2010-10-29 | 2016-12-14 | 北京师范大学 | Embedded couveuse and preservation and controlling plate |
| WO2014139265A1 (en) * | 2013-03-13 | 2014-09-18 | 中兴通讯股份有限公司 | Heater and chip |
| CN105425890A (en) * | 2015-11-17 | 2016-03-23 | 北京海杭通讯科技有限公司 | Intelligent handheld device and temperature increasing circuit thereof |
| CN105628245A (en) * | 2015-12-21 | 2016-06-01 | 国网辽宁省电力有限公司大连供电公司 | Device, system and method of carrying out online detection on battery surface temperature |
| CN113054267A (en) * | 2021-03-12 | 2021-06-29 | 海洋王（东莞）照明科技有限公司 | Battery protection circuit and battery module of emergency lamp and emergency lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Xiaogan Huagong Gaoli Electronic Co., Ltd. Assignor: Wuhan Huagong Xingaoli Electron Co., Ltd. Contract record no.: 2010420000156 Denomination of utility model: Automatic heating constant temperature control system for base station Granted publication date: 20100512 License type: Exclusive License Record date: 20100914 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100512 Termination date: 20170615 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |