CN210247369U - Cooling fan control system of water-cooling electric pile - Google Patents
Cooling fan control system of water-cooling electric pile Download PDFInfo
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- CN210247369U CN210247369U CN201921054517.3U CN201921054517U CN210247369U CN 210247369 U CN210247369 U CN 210247369U CN 201921054517 U CN201921054517 U CN 201921054517U CN 210247369 U CN210247369 U CN 210247369U
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Abstract
The utility model discloses a water-cooled pile cooling fan control system, which comprises a main controller, a sub-controller, a temperature transmitter, an alarm and a cooling device, wherein the sub-controller is respectively electrically connected with the temperature transmitter and the cooling device and is in communication connection with the main controller which is connected with the alarm; the sub-controller collects outlet temperature information of the heat dissipation device sensed by the temperature transmitter, receives a message of the main controller, judges whether the main controller and communication between the main controller and the sub-controller work normally or not according to the message, controls the operation of the heat dissipation fan according to an instruction in the message if the main controller works normally, and returns a frame of message to the main controller, otherwise, the sub-controller replaces the main controller to control the operation of the heat dissipation fan; and the main controller starts the alarm when not receiving the return message of the sub-controller or judging that the sub-controller does not work normally according to the return message. The problem that the fan control system is unstable in fan control due to the fact that the controller is abnormal or communication faults can be solved.
Description
Technical Field
The utility model belongs to the technical field of water-cooling galvanic pile fan control system, concretely relates to water-cooling galvanic pile radiator fan control system.
Background
The water-cooled pile can generate a large amount of heat in the power generation process, the heat is taken away through the cooling fan system, and the conventional cooling system often causes unstable or non-working fan control due to the abnormality or communication fault of the conventional cooling system, so that the cooling effect cannot be exerted, and the control effect is not ideal; the uneven cooling of the fuel cell will cause serious damage to the fan device, and further cause the shutdown of the fuel cell system, so that the service life and efficiency of the fan and the electric pile are greatly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water-cooling pile radiator fan control system can solve fan control system and lead to the unstable problem of fan control because of controller unusual or communication trouble appears.
In order to achieve the above object, the utility model adopts the following technical scheme:
a cooling fan control system of a water-cooled electric pile comprises a main controller, a sub-controller, a first temperature transmitter, an alarm and a cooling device;
the first temperature transmitter is arranged on the outlet of the heat dissipation device, is electrically connected with the sub-controller, and is used for sensing the outlet temperature in real time and transmitting a temperature signal to the sub-controller;
the sub-controller is electrically connected with the heat dissipation device, is in communication connection with the main controller, and is used for receiving a message sent by the main controller, controlling the operation of the heat dissipation device according to an instruction in the message when the main controller and the communication between the main controller and the sub-controller are judged to be normal work according to the message, and returning a frame of message to the main controller; when the main controller or the communication between the main controller and the sub-controller is judged to be abnormal, the main controller is replaced by the temperature information collected by the first temperature transmitter to control the operation of the heat dissipation device;
the main controller is electrically connected with the alarm and used for starting the alarm when the return message of the sub-controller is not received or the sub-controller is judged to be not normally working according to the return message.
Preferably, the heat dissipation device comprises a heat sink and a plurality of heat dissipation fans, the heat dissipation fans are arranged above the heat sink and fixedly connected with the heat sink, the plurality of heat dissipation fans are electrically connected with the sub-controller after being connected in parallel, and the heat sink is provided with a water inlet part and a water outlet part.
Preferably, the system further comprises a second temperature transmitter, wherein the second temperature transmitter is arranged at the outlet of the water-cooling electric pile and is connected with the main controller.
Preferably, the sub-controller is in communication connection with the main controller based on a CAN2.0 protocol.
Due to the structure, the beneficial effects of the utility model reside in that:
the cooling fan control system of the water-cooled electric pile comprises a main controller and a sub-controller, wherein under a normal condition, the main controller controls the operation of all fans through the sub-controller; when the main controller fails or the communication between the main controller and the sub-controllers fails, the sub-controllers replace the main controller to control the operation of the fan based on the acquired temperature signals of the temperature transmitter, stabilize the temperature of the outlet of the fan within a set value allowable range, and ensure that the fan always operates at a certain speed, so that the damage to a galvanic pile due to overhigh temperature is prevented, the reliability of the system is further improved, and the service life of the fan is prolonged; when the main controller cannot communicate with the sub-controllers or judges that the sub-controllers do not work, the main controller gives an alarm response and makes corresponding measures, such as stopping the operation of the whole electric pile system, so as to ensure the safety of the system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic structural view of a cooling fan control system of a water-cooled electric pile according to the present invention;
fig. 2 is a schematic structural view of the heat dissipation device of the present invention;
fig. 3 is a flow chart of the operation of the cooling fan control system of the water-cooled stack of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present embodiment provides a cooling fan control system for a water-cooled electric pile, including a main controller 1, a sub-controller 2, a first temperature transmitter 3, a second temperature transmitter 4, a cooling device 5 and an alarm 6, where the sub-controller 2 is electrically connected to the first temperature transmitter 3 and the cooling device 5 respectively, and is in communication connection with the main controller 1 based on a CAN2.0 protocol, and the main controller 1 is electrically connected to the alarm 6;
the first temperature transmitter 3 is arranged on the outlet of the heat dissipation device 5 and used for sensing the outlet temperature in real time and transmitting temperature information to the sub-controller 2;
the heat dissipation device 5 includes a heat sink 51 and a heat dissipation fan 52, the heat dissipation fan 52 is disposed above the heat sink 51 and is fixedly connected to the heat sink 51, the heat dissipation fan 52 is connected in parallel and then electrically connected to the sub-controller 2, a heat dissipation pipe is disposed inside the heat sink 51, and the heat sink 51 is provided with a water inlet portion 511 and a water outlet portion 512. The cooling liquid enters the radiator 51 through the water inlet part 511 and flows out of the water outlet part 512 after passing through the radiating pipe in the radiator, thereby achieving the effect of heat dissipation and temperature regulation.
The second temperature transmitter 4 is arranged on an outlet of the water-cooled electric pile and is connected with the main controller 1, a complete set of control program for controlling the normal operation of the whole water-cooled electric pile system is written in the main controller 1, one subprogram in the control program in the main controller 1 carries out PID (proportion integration differentiation) regulation according to temperature information transmitted by the second temperature transmitter 4, a PID regulated instruction is generated, and the instruction and the state information of the main controller are periodically sent to the sub-controller 2 through heartbeat messages;
two PID control programs are written in the sub-controller 2, which are an a-stage PID control program for controlling the cooling fan 52 based on the main controller 1 and a B-stage PID control program for controlling the cooling fan 52 based on the first temperature transmitter 3.
The sub-controller 2 receives the heartbeat message sent by the main controller 1, and judges whether the communication among the main controller 1, the main controller 1 and the sub-controller 2 works normally or not according to the heartbeat message, wherein a heartbeat byte in the heartbeat message changes from 0 to 255 to represent that the communication is normal, and the heartbeat byte does not change to represent that the communication is failed; the sub-controller 2 analyzes other bytes of the heartbeat message, compares the instruction message signal with the collected temperature signal of the first temperature transmitter 3, judges whether the instruction message signal and the collected temperature signal are consistent, and further judges whether the main controller 1 works normally, if so, the main controller 1 works normally, and if not, the main controller 1 works abnormally.
If the sub-controller 2 judges that the main controller 1 works normally and the communication is normal, an A-level PID control program is called, the operation of the cooling fan 52 is controlled according to the instruction in the received heartbeat message, and a frame of message (the message comprises a status byte and a heartbeat byte of the sub-controller) is returned to the main controller 1, the outlet temperature of the cooling device 5 is stabilized within the allowable range of the set value, the cooling fan 52 is ensured to always keep a certain speed to operate, the phenomenon that the outlet temperature stops after reaching the set value to influence the performance of the water-cooled fuel cell is avoided, and the service life of the fan is shortened; when the sub-controller 2 judges that the main controller 1 does not work normally based on the temperature signal of the first temperature transmitter 3 and the instruction message signal of the main controller 1, or judges that the communication fault is caused based on the stop change of the heartbeat byte of the main controller 1, the sub-controller 2 calls a B-level PID control program, replaces the main controller 1 to control the operation of the cooling fan according to the collected temperature information, stabilizes the outlet temperature of the cooling device 5 within a set value allowable range, prevents the electric pile from being damaged due to overhigh temperature, and further increases the reliability of the system.
When the main controller 1 does not receive the return message of the sub-controller 2, or judges that the sub-controller 2 does not work normally according to the return message, the main controller starts the alarm 6 to give an alarm response, and makes corresponding measures, such as stopping the operation of the whole electric pile system, so as to ensure the safety of the system.
In the embodiment, the temperature transmitter is an NTC temperature transmitter with the model number of XNYDL 201310-31.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a water-cooling pile radiator fan control system which characterized in that: the temperature control system comprises a main controller, a sub-controller, a first temperature transmitter, an alarm and a heat dissipation device; the sub-controller is electrically connected with the heat dissipation device and is in communication connection with the main controller, the main controller is electrically connected with the alarm, and the first temperature transmitter is installed on the outlet of the heat dissipation device and is used for sensing the outlet temperature in real time and is electrically connected with the sub-controller.
2. The water-cooled stack radiator fan control system of claim 1, wherein: the heat dissipation device comprises a radiator and a plurality of heat dissipation fans, wherein the heat dissipation fans are arranged above the radiator and are fixedly connected with the radiator, the heat dissipation fans are connected in parallel and then electrically connected with the sub-controllers, and the radiator is provided with a water inlet part and a water outlet part.
3. The water-cooled stack radiator fan control system of claim 1, wherein: still include second temperature transmitter, second temperature transmitter locates on the water-cooling electric pile export to be connected with main control unit.
4. The water-cooled stack radiator fan control system of claim 1, wherein: and the sub-controllers are in communication connection with the main controller based on a CAN2.0 protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054517.3U CN210247369U (en) | 2019-07-08 | 2019-07-08 | Cooling fan control system of water-cooling electric pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921054517.3U CN210247369U (en) | 2019-07-08 | 2019-07-08 | Cooling fan control system of water-cooling electric pile |
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| Publication Number | Publication Date |
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| CN210247369U true CN210247369U (en) | 2020-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921054517.3U Active CN210247369U (en) | 2019-07-08 | 2019-07-08 | Cooling fan control system of water-cooling electric pile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213950A (en) * | 2019-07-08 | 2019-09-06 | 武汉雄韬氢雄燃料电池科技有限公司 | A kind of water cooling pile radiator fan control system |
-
2019
- 2019-07-08 CN CN201921054517.3U patent/CN210247369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213950A (en) * | 2019-07-08 | 2019-09-06 | 武汉雄韬氢雄燃料电池科技有限公司 | A kind of water cooling pile radiator fan control system |
| CN110213950B (en) * | 2019-07-08 | 2024-01-09 | 武汉雄韬氢雄燃料电池科技有限公司 | Water-cooled pile radiator fan control system |
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