CN208027189U - A kind of charging equipment automatic cooling system - Google Patents
A kind of charging equipment automatic cooling system Download PDFInfo
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- CN208027189U CN208027189U CN201820227306.4U CN201820227306U CN208027189U CN 208027189 U CN208027189 U CN 208027189U CN 201820227306 U CN201820227306 U CN 201820227306U CN 208027189 U CN208027189 U CN 208027189U
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Abstract
The utility model discloses a kind of charging equipment automatic cooling systems, it is characterized in that, including CPU, signal processing module, temperature alarm, data storage, power module, display and the controller being connected with CPU, the temperature sensor being connected with signal processing module, the fan being connected with controller, and the personal control that is serially connected between power module and fan.The utility model can monitor the temperature of charging equipment in real time by the temperature sensor of setting, and the CPU being arranged can carry out the temperature information for the charging equipment that temperature sensor is monitored accurate analyzing processing, which simultaneously can control fan well to charging equipment progress cooling treatment according to obtained temperature information.
Description
Technical field
The utility model is related to a kind of cooling system, in particular to a kind of charging equipment automatic cooling systems.
Background technology
Automobile is the common vehicles in a kind of people life, is made with generated thermal energy after diesel oil or gasoline combustion
For power source, and diesel oil, gasoline will produce a large amount of carbon dioxide gas in burning, and serious pollution is caused to environment,
Therefore, people have to seek the power source that the new energy is used as automobile.With, scientific and technological continuous development, a kind of energy-saving ring
The electric vehicle of guarantor is just answered however life.Electric vehicle is that the electric energy provided by powerful accumulator is used as power source,
Any pernicious gas is not will produce during use, realizes energy conservation and environmental protection well.Electric vehicle when in use, in order to true
Protect its traveling normally, we then need the electric power of accumulator to be supplemented using specific charging equipment, such as internal combustion engine vehicle
Requiring supplementation with fuel oil, to obtain power the same.And the generated impedance in charging of powerful accumulator is also very big, charging is set
Standby load can also increase therewith, charging equipment charging when will hot soak condition, lead to charging equipment
Electronic component is damaged by high temperature, causes charging equipment can not normal use.
Therefore it provides a kind of can be the task of top priority to the cooling system of charging equipment progress cooling treatment.
Utility model content
Temperature excessively high defect when being used the purpose of the utility model is to overcome existing charging equipment of electric automobile, carries
For a kind of charging equipment automatic cooling system.
The purpose of this utility model passes through following technical proposals reality：A kind of charging equipment automatic cooling system, including
CPU, the signal processing module being connected with CPU, temperature alarm, data storage, power module, display and control
Device, the temperature sensor being connected with signal processing module, the fan being connected with controller, and be serially connected in power module with
Personal control between fan；The signal processing module is connected with power module.
Further, the signal processing module includes the signal amplification circuit being connected with temperature sensor, with signal
The signal that amplifying circuit is connected follows circuit, and follows the signaling conversion circuit that circuit is connected with signal；The CPU with
Signaling conversion circuit is connected.
The signal amplification circuit includes triode Q1, and one end is connected with temperature sensor, the other end and triode Q1
The resistance R1 that is connected of base stage, the polar capacitor C1 that anode is connected with the base stage of triode Q1, cathode is grounded, one end and three
The resistance R3 that the base stage of pole pipe Q1 is connected, the other end is grounded after being connected with the emitter of triode Q1, one end and polarity electricity
The anode for holding C1 is connected, the resistance R2 that the other end is connected with the collector of triode Q1, and anode is with triode Q1
The polar capacitor C2 that collector is connected, cathode is connected after resistance R4 with the emitter of triode Q1；The triode Q1
Collector follow circuit to be connected with signal.
Further, it includes amplifier P1, polar capacitor C4 that the signal, which follows circuit, and anode and amplifier P1 are just
The polar capacitor C3 that pole is connected, cathode is connected with the collector of triode Q1, one end are connected with the anode of polar capacitor C4
It connects, the cathode of the adjustable resistance R5 that the other end is grounded after being connected with the cathode of polar capacitor C4 and one end and amplifier P1
It is connected, the resistance R6 that the other end is connected with the anode of amplifier P1；The positive electrode of the amplifier P1 and power module phase
Connection, the negative electrode ground connection of amplifier P1；The polar capacitor C4 anode respectively with the cathode and output end of amplifier P1
It is connected；The output end of the amplifier P1 is connected with signaling conversion circuit.
The signaling conversion circuit includes conversion chip U1, anode be connected with the RH pins of conversion chip U1, cathode and
The polar capacitor C5 that the RW pins of conversion chip U1 are connected, one end is connected with the cathode of polar capacitor C5, the other end with turn
Change chip U1 GND pins be connected after the resistance R7 that is grounded, and anode is connected with the OUT pins of conversion chip U1, bears
The polar capacitor C6 that pole is connected after resistance R8 with the CS pins of conversion chip U1；The cathode and CPU of the polar capacitor C6
It is connected, the cathode of polar capacitor C6 is also grounded；The IN pins of the conversion chip U1 are connected with the output end of amplifier P1
It connects.
Further, the conversion chip U1 is X9C504 integrated chips.
The utility model has the following advantages compared with prior art and advantageous effect：
(1) the utility model can monitor the temperature of charging equipment in real time by the temperature sensor of setting, and
The CPU of setting can carry out accurate analyzing processing to the temperature information for the charging equipment that temperature sensor is monitored, the CPU is simultaneously
Fan can be controlled well according to obtained temperature information, cooling treatment is carried out to charging equipment, to which the utility model is effective
Solve the problems, such as that existing charging equipment temperature is excessively high, prevent well charging equipment occur it is impaired because of high temperature
Phenomenon effectively raises the service life of charging equipment.
(2) the utility model can ensure the temperature information transmission of charging equipment by setting signal processing module well
Accuracy, and analog-to-digital conversion can be carried out to the signal that temperature sensor is exported, so that CPU is obtained accurate charging equipment temperature value
Information.
Description of the drawings
Fig. 1 is the integrated circuit structural schematic diagram of the utility model.
Fig. 2 is the electrical block diagram of the signal processing module of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is simultaneously
It is without being limited thereto.
Embodiment
As shown in Figure 1, 2, the utility model discloses a kind of charging equipment automatic cooling systems, including CPU, with
Signal processing module, temperature alarm, data storage, power module, display and the controller that CPU is connected, with signal
The temperature sensor that processing module is connected, the fan being connected with controller, and be serially connected between power module and fan
Personal control；The signal processing module is connected with power module.
When implementation, temperature acquisition equipment of the temperature sensor as charging equipment, the temperature sensor uses common temperature
Sensor is spent, which is mounted in the inner walls of charging equipment when in use, which will supervise
The temperature information of the charging equipment measured is converted to current signal transfer to signal processing module.The signal processing module is to signal
In Weak frequency be amplified, make the frequency of oscillation higher of signal, in order to subsequent processing.Meanwhile the signal processing mould
Block can also eliminate generated self-excited oscillatory frequency in signal oscillating, and current signal is converted to data by treated
Signal transmission is to CPU.And master elements of the CPU as whole system, analyzing processing can be carried out to received signal, to
To the temperature value of charging equipment, and the temperature value in data memory module is can extract, safety is preset in the data memory module
Temperature value, the safe temperature value can be adjusted according to the use environment of charging equipment.CPU is according to obtained charging equipment temperature
The comparing result of value and safe temperature value exports control electric current.Meanwhile CPU leads to the temperature value information of obtained charging equipment
It crosses display to be shown, in order to which charging pile staff checks charging equipment temperature.
When the temperature value that CPU is obtained is higher than safe temperature value, CPU exports control electric current to controller, which is
Common controller, the driving current that controller obtains just exporting after control electric current is to fan.Fan is DC fan, and fan obtains electric
Start, fan cools down to charging equipment, so that the temperature of charging equipment is quickly reduced, until the temperature of charging equipment is down to
Safe temperature.Meanwhile CPU exports another way driving current to temperature alarm, temperature alarm must be established by cable and originate sound, to carry
The staff that wakes up checks the charging equipment.When the non-output driving current of and CPU excessively high in the temperature of charging equipment, work
Personnel can control the keying of fan by the way that the personal control on the shell of charging equipment is arranged.To this practicality
New Energy carries out cooling treatment to charging equipment well, and it is impaired existing because of high temperature to effectively prevent charging equipment appearance
As effectively raising the service life of charging equipment.
Further, as shown in Fig. 2, the signal processing module includes the signal amplification electricity being connected with temperature sensor
Road, the signal being connected with signal amplification circuit follows circuit, and follows the signaling conversion circuit that circuit is connected with signal；
The CPU is connected with signaling conversion circuit.
Wherein, the signal amplification circuit includes triode Q1, resistance R1, resistance R2, resistance R3, resistance R4, polarity electricity
Hold C1 and polar capacitor C2.Triode Q1 in the present embodiment preferentially uses the big pipe of 3DG12 types to realize；Resistance R1's
Resistance value is set as 3k Ω, and the resistance value of resistance R2 is set as 10k Ω, and the resistance value of resistance R3 is set as 1k Ω, and the resistance value of resistance R4 is set
It is set to 4 Ω；The capacitance that capacitance is 0.1 μ F has been respectively adopted in polar capacitor C1 and polar capacitor C2.
When connection, one end of resistance R1 is connected with temperature sensor, and the other end is connected with the base stage of triode Q1.Pole
Property capacitance C1 anode being connected with the base stage of triode Q1, cathode is grounded.The base stage phase of one end of resistance R3 and triode Q1
Connection, the other end are grounded after being connected with the emitter of triode Q1.One end of resistance R2 is connected with the anode of polar capacitor C1
It connects, the other end is connected with the collector of triode Q1.The anode of polar capacitor C2 is connected with the collector of triode Q1, bears
Pole is connected after resistance R4 with the emitter of triode Q1.The collector of the triode Q1 follows circuit to be connected with signal
It connects.
Still further, it includes amplifier P1, polar capacitor C3, polar capacitor C4, adjustable electric that the signal, which follows circuit,
Hinder R5 and resistance R6.Amplifier P1 in the present embodiment preferentially uses OP364 type amplifiers；Adjustable resistance R5's is adjustable
Value is 0~1M, and the resistance value of resistance R6 is set as 2M；Polar capacitor C3 uses the capacitance that capacitance is 0.1 μ F, and polar capacitor C4 is adopted
With the capacitance that capacitance is 4.7 μ F.
When connection, the anode of polar capacitor C3 is connected with the anode of amplifier P1, the collector of cathode and triode Q1
It is connected.The one end adjustable resistance R5 be connected with the anode of polar capacitor C4, the other end is connected with the cathode of polar capacitor C4
It is grounded after connecing.One end of resistance R6 is connected with the cathode of amplifier P1, and the other end is connected with the anode of amplifier P1.
The positive electrode of the amplifier P1 is connected with power module, the negative electrode ground connection of amplifier P1；The polarity
The anode of capacitance C4 is connected with the cathode of amplifier P1 and output end respectively；The output end of the amplifier P1 is converted with signal
Circuit is connected.
Further, the signaling conversion circuit includes conversion chip U1, resistance R7, resistance R8, polar capacitor C5, with
And polar capacitor C6.Conversion chip U1 in the present embodiment preferentially uses X9C504 integrated chips to realize；Resistance R7 and electricity
The resistance value of resistance R8 is set as 10k Ω；The capacitance of polar capacitor C5 is 1 μ F, and the capacitance of polar capacitor C6 is 0.01 μ F.
When connection, the anode of polar capacitor C5 is connected with the RH pins of conversion chip U1, and cathode is with conversion chip U1's
RW pins are connected.One end of resistance R7 is connected with the cathode of polar capacitor C5, the GND pins of the other end and conversion chip U1
It is grounded after being connected.Polar capacitor C6 anode be connected with the OUT pins of conversion chip U1, cathode after resistance R8 with conversion
The CS pins of chip U1 are connected.
The cathode of the polar capacitor C6 is connected with CPU, and the cathode of polar capacitor C6 is also grounded；The conversion chip
The IN pins of U1 are connected with the output end of amplifier P1.
When the signal processing module carrying out practically, the impedor of the resistance R1 of signal amplification circuit as signal path, electricity
Instantaneous high current frequency blocks caused by the current signal that resistance R1 effectively exports temperature sensor, and electric current is made to believe
Number more stable, treated, and current signal is loaded into the base stage of triode Q1, and the electric current in the base stage of triode Q1 increases therewith
Add, the electric current of the collector of triode Q1 generates corresponding variation.Its impulse waveform quilt into the current signal of triode Q1
Amplification, and the polar capacitor C2 and resistance R4 being serially connected between the emitter and collector of triode Q1 form signal feedback and lead to
Road, the signal feedback channel then form an annular amplifier with triode Q1, can effectively improve the times magnification of current signal
Number can adjust change the resistance value of resistance R4 to be adjusted to signal amplification factor in actual use, the resistance value of resistance R4
Smaller signal amplification factor is bigger, therefore the resistance R4 in the present embodiment is set as 4k Ω.Signal waveform be amplified after electric current
Collector of the signal through triode Q1 is transferred to signal and follows circuit.
Wherein, amplified current signal transfer is to following circuit to form a biased electrical by polar capacitor C1 and resistance R6
Garbage signal frequency in signal is purged by road by polar capacitor C1, and the signal driving capability of polar capacitor C3 is weaker,
Therefore 2M need to be then set as in the resistance R6 in 1~2M or so, the present embodiment to 6 resistance value as impedance resistors R.And polarity
Capacitance C4 and adjustable resistance R5 then forms a decoupling circuit and is eliminated to the self-excited oscillatory frequency in current signal, makes signal
More stable, through biasing circuit and decoupling circuit treated current signal, the anode through amplifier P1 and cathode enter amplification respectively
Device P1, current signal are transferred to signaling conversion circuit after amplifier P1 is handled.
The IN pins of the converted chip U1 of current signal of the output end output of amplifier P1 enter conversion chip U1, should
Conversion chip U1 is AD conversion chip, and the bandwidth of current signal is adjusted by the adjuster in conversion chip U1, and will adjustment
Signal afterwards is transferred to the feedback circuit that the polar capacitor C5 and resistance R7 of external connection are formed, polar capacitor C5 through RH pins
Distortion frequency in signal is eliminated, the RW pins of treated the converted chip U1 of current signal return to conversion chip U1
Interior, by treated, current signal is converted to data-signal to the data operator in conversion chip U1, obtained data-signal warp
The OUT pins of conversion chip U1 export, the biasing filter that the data-signal of output is then formed through polar capacitor C6 and resistance R8
It is filtered, the quiescent current in data-signal is eliminated, keep the data-signal that conversion chip U1 is exported more acurrate.
As described above, the utility model can be realized well.
Claims (6)
1. a kind of charging equipment automatic cooling system, which is characterized in that including CPU, the signal processing mould that is connected with CPU
Block, temperature alarm, data storage, power module, display and controller, the temperature being connected with signal processing module pass
Sensor, the fan being connected with controller, and the personal control that is serially connected between power module and fan；At the signal
Reason module is connected with power module.
2. a kind of charging equipment automatic cooling system according to claim 1, it is characterised in that：The signal processing mould
Block includes the signal amplification circuit being connected with temperature sensor, and the signal being connected with signal amplification circuit follows circuit, with
And follow the signaling conversion circuit that circuit is connected with signal；The CPU is connected with signaling conversion circuit.
3. a kind of charging equipment automatic cooling system according to claim 2, it is characterised in that：The signal amplification electricity
Road includes triode Q1, the resistance R1 that one end is connected with temperature sensor, the other end is connected with the base stage of triode Q1, just
The polar capacitor C1 that pole is connected with the base stage of triode Q1, cathode is grounded, one end is connected with the base stage of triode Q1, is another
The resistance R3 that is grounded after end is connected with the emitter of triode Q1, one end is connected with the anode of polar capacitor C1, the other end
The resistance R2 being connected with the collector of triode Q1, and anode is connected with the collector of triode Q1, cathode is through resistance
The polar capacitor C2 being connected with the emitter of triode Q1 after R4；The collector of the triode Q1 follows circuit phase with signal
Connection.
4. a kind of charging equipment automatic cooling system according to claim 3, it is characterised in that：The signal follows electricity
Road includes amplifier P1, polar capacitor C4, and anode is connected with the anode of amplifier P1, the collector phase of cathode and triode Q1
The polar capacitor C3 of connection, one end is connected with the anode of polar capacitor C4, the other end is connected with the cathode of polar capacitor C4
The adjustable resistance R5 and one end being grounded afterwards are connected with the cathode of amplifier P1, the other end is connected with the anode of amplifier P1
The resistance R6 connect；The positive electrode of the amplifier P1 is connected with power module, the negative electrode ground connection of amplifier P1；The pole
Property capacitance C4 anode being connected respectively with the cathode of amplifier P1 and output end；The output end of the amplifier P1 turns with signal
Circuit is changed to be connected.
5. a kind of charging equipment automatic cooling system according to claim 4, it is characterised in that：The signal conversion electricity
Road includes conversion chip U1, and anode is connected with the RH pins of conversion chip U1, cathode is connected with the RW pins of conversion chip U1
The polar capacitor C5 connect, one end is connected with the cathode of polar capacitor C5, the other end is connected with the GND pins of conversion chip U1
The resistance R7 being grounded afterwards, and anode be connected with the OUT pins of conversion chip U1, cathode after resistance R8 with conversion chip U1
The polar capacitor C6 that is connected of CS pins；The cathode of the polar capacitor C6 is connected with CPU, the cathode of polar capacitor C6
Also it is grounded；The IN pins of the conversion chip U1 are connected with the output end of amplifier P1.
6. a kind of charging equipment automatic cooling system according to claim 5, it is characterised in that：The conversion chip U1
For X9C504 integrated chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820227306.4U CN208027189U (en) | 2018-02-08 | 2018-02-08 | A kind of charging equipment automatic cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820227306.4U CN208027189U (en) | 2018-02-08 | 2018-02-08 | A kind of charging equipment automatic cooling system |
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| Publication Number | Publication Date |
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| CN208027189U true CN208027189U (en) | 2018-10-30 |
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| CN201820227306.4U Active CN208027189U (en) | 2018-02-08 | 2018-02-08 | A kind of charging equipment automatic cooling system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758148A (en) * | 2019-09-27 | 2020-02-07 | 山东电工电气集团新能科技有限公司 | Heat dissipation control device and control method for high-power direct-current charging pile |
-
2018
- 2018-02-08 CN CN201820227306.4U patent/CN208027189U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110758148A (en) * | 2019-09-27 | 2020-02-07 | 山东电工电气集团新能科技有限公司 | Heat dissipation control device and control method for high-power direct-current charging pile |
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