CN211567605U - Control system - Google Patents
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- CN211567605U CN211567605U CN201922278350.5U CN201922278350U CN211567605U CN 211567605 U CN211567605 U CN 211567605U CN 201922278350 U CN201922278350 U CN 201922278350U CN 211567605 U CN211567605 U CN 211567605U
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Abstract
The utility model discloses a control system. The utility model discloses a include: the control circuit is respectively electrically connected with the switch unit and the fan heater unit, the switch unit is electrically connected between the control circuit and the fan heater unit, and the control circuit comprises a time delay module. Through the utility model discloses, having solved among the correlation technique and having used PTC to generate heat the piece and heat on the [ electric ] motor coach, can not utilize the heat that persists on the PTC generates heat piece after closing the PTC generates heat piece, lead to the technical problem who has the potential safety hazard.
Description
Technical Field
The utility model relates to an electric motor car field of heating particularly, relates to a control system.
Background
In the related technology, in the pure electric passenger cars using single-cold air conditioners in the market at present, PTC (positive temperature coefficient) fan heaters are used for heating the interior of the car, but the vehicles heated by the PTC fan heaters cannot realize the temperature regulation and control function, a driver turns on a warm air switch, the PTC fan heaters start heating, and the fan heaters stop heating when being turned off. The general driver can only shut off when leaving work after opening the warm braw switch, and during this period, even the temperature has satisfied the heating demand in the car, the electric heater unit still can work all the time, causes the electric energy waste, and general PTC 2KW, 4-6 electric heater units need to be installed to 10m above passenger train, just means 8-12 degrees electricity that will consume in an hour, and the power battery decay is obvious in winter, so the continuation of the journey can seriously shorten, easily complained by the user.
In addition, PTC electric fan heaters in the market do not have PTC waste heat consumption function, if the electric fan heaters are started for a long time, the PTC temperature is higher, a warm air switch is suddenly turned off, the PTC is not preheated to be dissipated, the warm air fan stops working, waste heat is not effectively utilized, certain potential safety hazard exists, and the service life of the PTC is shortened.
In view of the above problems in the related art, no effective solution has been proposed.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a control system to use the PTC to generate heat the piece and heat in solving among the correlation technique [ electric ] motor coach, can not utilize the heat that persists on the PTC generates heat the piece after closing the PTC, lead to the technical problem who has the potential safety hazard.
In order to achieve the above object, according to one aspect of the present invention, a control system is provided. The utility model discloses a include: the control circuit is respectively electrically connected with the switch unit and the fan heater unit, the switch unit is electrically connected between the control circuit and the fan heater unit, and the control circuit comprises a time delay module.
Furthermore, the system also comprises a power supply, and two ends of the power supply are respectively electrically connected with two ends of the control circuit.
Further, the warm braw group includes first branch road, and the first end and the switch unit of first branch road are connected, and first branch road includes that PTC generates heat the piece, high voltage contactor and first temperature detect switch, and wherein, high voltage contactor's first end and the first end of PTC generate heat the piece and the second end of first temperature detect switch are connected electrically respectively, and high voltage contactor's second end is connected between control circuit and power negative pole, and first temperature detect switch's first end is connected with the control circuit electricity, and the second end and the high-pressure of PTC generate heat the piece are connected.
Furthermore, the warm air blower unit further comprises a second branch, the first branch is connected with the second branch in parallel, the first end of the second branch is connected with the switch unit, the second end of the second branch is electrically connected with the control circuit, the second branch comprises a first sub-branch and a second sub-branch which are connected in parallel, the warm air blower is arranged on the first sub-branch, and the buzzer and the second temperature control switch which are connected in series are arranged on the second sub-branch.
Furthermore, the control circuit further comprises at least one normally open contact, the first end of the normally open contact is electrically connected with the second end of the first temperature control switch, the second end of the second temperature control switch and the second end of the warm air fan respectively, and the second end of the normally open contact is electrically connected with the delay module.
Further, the switch unit comprises at least one relay, the first end of the relay is electrically connected with the control circuit, and the second end of the warm air control relay is electrically connected with the warm air fan.
Further, the control circuit also comprises at least one warm air blower switch.
Further, the switch unit also comprises a PDU warm air contactor.
Further, the system comprises two parallel-connected warm air fan sets.
Further, the system also comprises a temperature detection device, and the control circuit is connected with the temperature detection device.
Through the utility model discloses, including control circuit, at least one warm fan group and at least one switch element, control circuit is connected with switch element and warm fan group electricity respectively, switch element electric connection is between control circuit and warm fan group, wherein, control circuit includes the time delay module, use PTC heating plate to heat on having solved among the correlation technique [ electric ] motor coach, can not utilize the heat that persists on the PTC heating plate after closing PTC heating plate, lead to the technical problem who has the potential safety hazard, and then reached the effect of warm fan group life-span in the extension car.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
In the drawings:
fig. 1 is a schematic diagram of a control system according to an embodiment of the present invention.
Wherein the following reference numerals are included:
10, a control circuit; 20, a warm air unit; 30, a switch unit; 40, a power supply; 50, a temperature detection device;
101, a delay module; 102, normally open contacts; 201, a PTC heating sheet; 202, a high voltage contactor; 203, a first temperature control switch; 204, a buzzer; 205, a second temperature control switch; 206, a warm air blower; 301, a relay; 302 PDU warm air contactor.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, system, article, or apparatus.
For convenience of description, some terms or expressions referring to the embodiments of the present invention are explained below:
PTC heating sheet: the PTC heater is composed of PTC ceramic heating elements and an aluminum tube, has the advantages of small thermal resistance and high heat exchange efficiency, and is a constant-temperature and electricity-saving electric heater.
According to the utility model discloses an embodiment provides a control system.
Fig. 1 is a schematic diagram of a control system according to an embodiment of the present invention. As shown in fig. 1, the utility model comprises the following structures: the control circuit 10 is electrically connected with the switch unit 30 and the warm air blower set 20 respectively, the switch unit 30 is electrically connected between the control circuit 10 and the warm air blower set 20, and the control circuit 10 comprises a delay module 101.
Specifically, in the embodiment of the control system provided by the present application, the control system is generally applied in a passenger car, and is composed of a control circuit 10 (including a delay module 101 and a thermostat module), a control circuit (including a control line), at least one switch unit 30 (including a warm air relay 302), at least one warm air unit 20 (including a PTC heating element 201, a high-voltage contactor 202, a warm air fan 206 buzzer 204, and the like), an in-car temperature detection device 50, and at least one switch unit 30 (including a relay 301 and a PDU warm air contactor 302).
The circuit arrangement as shown in fig. 1 and the control of the fan heater unit through the circuit shown in the figure can achieve the purposes of reducing energy consumption, increasing driving range and improving the safety performance of the whole vehicle.
Optionally, the system further comprises a power source 40, and two ends of the power source 40 are electrically connected to two ends of the control circuit 10, respectively.
The control system comprises a power supply 40 for supplying power to the control system, which is connected to both ends of the control circuit 10.
Optionally, the fan heater group 20 includes a first branch, a first end of the first branch is connected to the switch unit 30, the first branch includes the PTC heating sheet 201, the high voltage contactor 202 and the first temperature control switch 203, wherein the first end of the high voltage contactor 202 is electrically connected to the first end of the PTC heating sheet 201 and the second end of the first temperature control switch 203 respectively, the second end of the high voltage contactor 202 is connected between the control circuit 10 and the negative electrode of the power supply 40, the first end of the first temperature control switch 203 is electrically connected to the control circuit 10, and the second end of the PTC heating sheet 201 is connected to a high voltage.
Optionally, the fan heater unit 20 further includes a second branch, the first branch is connected in parallel with the second branch, a first end of the second branch is connected to the switch unit 30, a second end of the second branch is electrically connected to the control circuit 10, the second branch includes a first sub-branch and a second sub-branch which are connected in parallel, the first sub-branch is provided with a fan heater 206, and the second sub-branch is provided with a buzzer 204 and a second temperature control switch 205 which are connected in series.
Specifically, the structure of the heater unit 20 in the control circuit 10 is a main structure for heating in a vehicle, and includes at least one group of PTC heating sheets 201, each group of PTC heating sheets 201 corresponds to a heater fan 206, a buzzer 204 for alarming when the PTC heating sheets 201 reach a predetermined temperature, a high-voltage contactor 202 for controlling the operation of the PTC heating sheets 201, and a first temperature control switch 203 and a second temperature control switch 205 for controlling the operation of the buzzer 204 and the operation of the PTC heating sheets 201.
Optionally, the switching unit 30 further comprises a PDU heater contactor 302.
In an alternative embodiment of the present application, according to the above structure, the heating logic in the vehicle is: the driver sets a required temperature SV in the vehicle and alarm values AL of various levels, which are defined as the difference between an actual temperature PV detected by a temperature sensor in the vehicle and a set temperature SV, through a warm air control panel (control circuit). The settable range of the set temperature SV is 17-30 ℃, and all levels of alarm values are set by default as follows: the first-level alarm value AL1 is-2 ℃, the second-level alarm value AL2 is 0 ℃, and the third-level alarm value AL3 is 3 ℃. When the vehicle is electrified for the first time, the temperature sensor in the vehicle detects that the actual temperature PV is more than or equal to 25 ℃, and the warm air cannot be started.
When the actual temperature PV in the vehicle is lower than the set temperature SV, any switch or all switches of the warm air switch group on the PTC warm air control panel are turned on to control the PDU warm air contactor 302 in the whole vehicle high-pressure box to be closed, the whole vehicle high pressure starts to supply power to the warm air unit 20, and meanwhile, the fans and the PTC in the warm air blowers work normally to realize heating.
The alarm temperature difference and the required vehicle interior temperature are specifically set according to different situations.
Optionally, the control circuit 10 further includes at least one normally open contact 102, a first end of the normally open contact 102 is electrically connected to the second end of the first temperature control switch 203, the second end of the second temperature control switch 205, and the second end of the heater fan 206, respectively, and a second end of the normally open contact 102 is electrically connected to the delay module 101.
Specifically, different temperature alarm values can be set through the control circuit 10, so that several normally open contacts 102 can be correspondingly set in the control circuit 10 by setting several temperature alarm values, and when the temperature difference between the required temperature in the vehicle and the actual temperature in the vehicle reaches the temperature difference early warning value or the early warning range, the normally open contacts 102 are triggered to close to realize different controls on the PTC heating sheets 201.
In the above, in an optional embodiment, when the difference between the actual temperature PV and the set temperature SV in the vehicle reaches-2 ℃, the primary alarm value normally open contact 102 is closed and maintained, the high-voltage contactor 202 in the warm air unit 201 is opened, the heating is stopped, and meanwhile, the PTC warm air controller internal delay module 101 delays for 15S and then stops supplying power to the warm air unit 201; during the time delay, the fan of the warm air blower continues to work, the waste heat on the PTC is effectively utilized, meanwhile, the temperature on the PTC can be reduced to be normal, and the safety performance is improved; after the delay time is up, the fan of the warm air blower stops working; the significance of the alarm value lies in reasonably controlling the electric energy consumption of the whole vehicle. When the actual temperature is close to the set temperature, a group of warm air can be automatically closed, and the energy consumption is reduced.
Similarly, in the present embodiment, three temperature alarm values are set, wherein when the temperature difference reaches the second temperature alarm value, that is, when the actual temperature PV in the vehicle is equal to the set temperature SV, the normally open contact 102 of the secondary alarm value is closed and maintained, the high-voltage contactor 202 in the fan heater set 202 is opened, and heating is stopped, and meanwhile, the time delay module 101 in the PTC fan heater controller delays for 15S and then stops supplying power to the fan heater set 202; during the time delay, the fan of the warm air blower continues to work, the waste heat on the PTC is effectively utilized, meanwhile, the temperature on the PTC can be reduced to be normal, and the safety performance is improved; after the delay time is up, the fan of the warm air blower stops working; the significance of the alarm value is to reduce the electric energy consumption of the whole vehicle. When the actual temperature reaches the set temperature, the warm air can be automatically closed, the energy consumption is reduced, and the driving range is increased.
It should be noted that, as shown in fig. 1, since the present embodiment provides a method for controlling the operation of the PTC heating element through 3 control logics, fig. 1 includes 3 normally open contacts (normally open switches), wherein the number of the normally open switches provided in a specific circuit is determined by different control logics, and the number is not limited herein.
Further, when the difference between the actual temperature PV and the set temperature SV in the vehicle reaches 3 ℃, the contact of the three-level alarm value AL3 is disconnected and maintained, and the warm air contactor in the whole vehicle high-voltage box is disconnected to stop supplying power to each warm air unit 20; and after the 20 fans of each warm air fan unit delay time by 15S, the warm air fan unit stops working, and the waste heat on the PTC is ensured to be dissipated completely. The alarm value setting significance lies in that if the first two groups of warm air alarm values fail, the high-voltage power supply of the warm air blower can be forcibly cut off, and the control reliability is improved.
And when the actual temperature PV in the vehicle is lower than the set temperature SV again, the whole in-vehicle control system works according to the logic.
Optionally, the switch unit 30 includes at least one relay 301, a first end of the relay 301 is electrically connected to the control circuit 10, and a second end of the warm air control relay 301 is electrically connected to the warm air blower 206.
Optionally, the control circuit 10 further comprises at least one fan heater switch.
Each switch unit 30 includes at least one relay 301, one end of the relay 301 is connected to the warm air blower 206 for controlling the operation of the warm air blower 206, and the other end of the relay 301 is connected to the delay module 101 for controlling the delayed turn-off of the warm air blower 206 according to the delay module 101.
Optionally, the system includes two parallel sets of warm air blowers 20.
As shown in the control circuit 10 in fig. 1, one control circuit 10 is used to control two fan sets 20, where the two fan sets 20 are a fan set 201 and a fan set 202, respectively, and it should be noted that generally, one control system includes two or three fan sets 20, but the number of the fan sets 20 that one control system is used to control is specifically set according to different situations.
Optionally, the system further comprises a temperature detection device 50, and the control circuit 10 is connected to the temperature detection device 50.
As described above, the temperature detection device 50 is used for detecting the actual temperature in the vehicle in real time, so as to control the heating of the vehicle interior through the control system according to the detected actual temperature and the preset temperature.
As mentioned above, the control circuit 10 mainly controls the operation of the air heater unit 20, and one specific embodiment is as follows, in this embodiment, the control circuit 10 is represented by a warm air control panel disposed in the vehicle:
another logic for controlling the fan heater unit 20 by the control circuit 10 is as follows:
when the temperature of the PTC in any fan heater is higher than or equal to 95 ℃, the normally-open temperature switch in the corresponding fan heater is closed, and the buzzer 204 gives an alarm to warn a driver. When the PTC temperature in any fan heater is higher than or equal to 130 ℃, the normally closed temperature switch in the corresponding fan heater is disconnected, the high-voltage contactor 202 is cut off, and heating is stopped.
During normal operation of the fan heater unit 20, when a driver normally turns off the switch of the fan heater, the high-voltage contactors 202 in the fan heaters are firstly disconnected, heating is stopped, and after the time delay of 15S, the fan heaters 206 are disconnected, so that the waste heat of the PTC is completely dissipated, and potential safety hazards are completely eradicated.
The heating fan unit 20 can be controlled in two groups in a cross way according to the increase and decrease of the vehicle length.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, system, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, system, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present invention, and are not intended to limit the present invention. Various modifications and changes may 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 scope of the claims of the present invention.
Claims (10)
1. A control system is characterized by comprising a control circuit (10), at least one warm air fan unit (20) and at least one switch unit (30), wherein the control circuit (10) is electrically connected with the switch unit (30) and the warm air fan unit (20) respectively, the switch unit (30) is electrically connected between the control circuit (10) and the warm air fan unit (20), and the control circuit (10) comprises a time delay module (101).
2. The system according to claim 1, further comprising a power source (40), wherein two ends of the power source (40) are electrically connected to two ends of the control circuit (10), respectively.
3. The system according to claim 2, wherein the warm air blower set (20) comprises a first branch, a first end of the first branch is connected with the switch unit (30), the first branch comprises a PTC heating sheet (201), a high-voltage contactor (202) and a first temperature control switch (203), wherein a first end of the high-voltage contactor (202) is electrically connected with a first end of the PTC heating sheet (201) and a second end of the first temperature control switch (203), respectively, a second end of the high-voltage contactor (202) is connected between the control circuit (10) and a negative pole of a power supply (40), a first end of the first temperature control switch (203) is electrically connected with the control circuit (10), and a second end of the PTC heating sheet (201) is connected with a high voltage.
4. The system according to claim 3, characterized in that the warm air blower set (20) further comprises a second branch, the first branch is connected in parallel with the second branch, a first end of the second branch is connected with the switch unit (30), a second end of the second branch is electrically connected with the control circuit (10), the second branch comprises a first sub-branch and a second sub-branch which are connected in parallel, the warm air blower (206) is arranged on the first sub-branch, and the buzzer (204) and the second temperature control switch (205) are arranged on the second sub-branch in series.
5. The system according to claim 1, wherein the control circuit (10) further comprises at least one normally open contact (102), a first end of the normally open contact (102) is electrically connected with a second end of the first temperature control switch (203), a second end of the second temperature control switch (205) and a second end of the heater fan (206), respectively, and a second end of the normally open contact (102) is electrically connected with the delay module (101).
6. The system according to claim 1, characterized in that the switching unit (30) comprises at least one relay (301), a first end of the relay (301) being electrically connected to the control circuit (10) and a second end of the warm air control relay (301) being electrically connected to the warm air blower (206).
7. System according to claim 1, characterized in that said control circuit (10) further comprises at least one fan heater switch.
8. The system of claim 1, wherein the switch unit (30) further comprises a PDU heater contactor (302).
9. The system according to claim 1, characterized in that it comprises two parallel-connected sets of warm fans (20).
10. The system according to claim 1, further comprising a temperature detection device (50), the control circuit (10) being connected to the temperature detection device (50).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922278350.5U CN211567605U (en) | 2019-12-17 | 2019-12-17 | Control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922278350.5U CN211567605U (en) | 2019-12-17 | 2019-12-17 | Control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211567605U true CN211567605U (en) | 2020-09-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922278350.5U Active CN211567605U (en) | 2019-12-17 | 2019-12-17 | Control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211567605U (en) |
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2019
- 2019-12-17 CN CN201922278350.5U patent/CN211567605U/en active Active
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Address after: No. 168, Xinke Avenue, new material industry functional zone, Xinjin County, Chengdu City, Sichuan Province, 611430 Patentee after: CHENGDU GUANGTONG AUTOMOBILE Co.,Ltd. Patentee after: Gree titanium new energy Co.,Ltd. Address before: No. 168, Xinke Avenue, new material industry functional zone, Xinjin County, Chengdu City, Sichuan Province, 611430 Patentee before: CHENGDU GUANGTONG AUTOMOBILE Co.,Ltd. Patentee before: YINLONG ENERGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230924 Address after: 611435 No.168 Xinke Avenue, Jinhua Town, Xinjin County, Chengdu City, Sichuan Province (Sichuan Xinjin Industrial Park) Patentee after: CHENGDU GUANGTONG AUTOMOBILE Co.,Ltd. Patentee after: Chengdu Guangtong New Energy Vehicle Industry Technology Research Co.,Ltd. Patentee after: Gree titanium new energy Co.,Ltd. Address before: No. 168, Xinke Avenue, new material industry functional zone, Xinjin County, Chengdu City, Sichuan Province, 611430 Patentee before: CHENGDU GUANGTONG AUTOMOBILE Co.,Ltd. Patentee before: Gree titanium new energy Co.,Ltd. |