Compressor driver integrated with PTC (Positive Temperature Coefficient) heating assembly and compressor

Abstract

The invention provides a compressor driver integrated with a PTC heating assembly and a compressor. The compressor driver comprises a driver shell, a driving assembly and the PTC heating assembly, and the driving assembly and the PTC heating assembly are both arranged in the driver shell; the driving assembly comprises a main control chip, a first IGBT driving assembly and a second IGBT driving assembly, and the main control chip controls the output power of the compressor through the first IGBT driving assembly and controls the output power of the PTC heating assembly through the second IGBT driving assembly; a low-voltage connector and a high-voltage connector are arranged on the driver shell, and the compressor driver is connected with the low-voltage power supply end through the low-voltage connector and connected with the high-voltage power supply end through the high-voltage connector. The integration level of the thermal management system can be improved, the manufacturing cost and the system complexity of the thermal management system are reduced, the space utilization rate of the system is further improved, and the occupied area of the thermal management system is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of automobile thermal management, and in particular to a compressor driver and a compressor with an integrated PTC heating component. Background Art

[0002] The thermal management system (TMS) of an automobile is an important part of the whole vehicle system. Automobile thermal management is to coordinate the matching, optimization and control of related components and subsystems such as compressors and heaters from the perspective of the whole vehicle, so that each functional module is in the optimal temperature range to ensure the safe driving of the vehicle. At present, the compressor and heater in new energy vehicles are independent of each other and contain their own power control modules, which have the problems of large space occupation and high manufacturing cost, and multiple power control modules are prone to reduce system reliability.

[0003] Therefore, the existing thermal management system has the problems of low integration and high manufacturing cost. Summary of the invention

[0004] The embodiments of the present invention provide a compressor driver and a compressor with an integrated PTC heating component, aiming to solve the problems of low system integration and high manufacturing cost in the existing thermal management system.

[0005] In a first aspect, an embodiment of the present invention discloses a compressor driver with an integrated PTC heating component, wherein the compressor driver comprises a driver housing, a driver component, and a PTC heating component, wherein the driver component and the PTC heating component are both arranged in the driver housing; The driving component includes a main control chip, a first IGBT driving component and a second IGBT driving component. The main control chip controls the output power of the compressor through the first IGBT driving component, and controls the output power of the PTC heating component through the second IGBT driving component. The driver housing is provided with a low-voltage connector and a high-voltage connector. The compressor driver is connected to the low-voltage power supply end through the low-voltage connector and is connected to the high-voltage power supply end through the high-voltage connector.

[0006] Furthermore, the first IGBT driving component includes a driving chip, a first IGBT module and a three-phase insert, the first end of the driving chip is connected to the second end of the main control chip, the second end of the driving chip is connected to the first end of the first IGBT module, the output end of the first IGBT module is connected to the input end of the three-phase insert, and the three-phase output end of the three-phase insert is connected to the compressor.

[0007] Furthermore, the second IGBT driving component includes a push-pull output circuit and a second IGBT module, the first end of the push-pull output circuit is connected to the eighth end of the main control chip, the second end of the push-pull output circuit is connected to the first end of the second IGBT module, and the output end of the second IGBT module is connected to the input end of the PTC heating component.

[0008] Furthermore, the driving component includes a high-voltage filter circuit, a filter input end of the high-voltage filter circuit is connected to a high-voltage output end of the high-voltage connector, a first filter output end of the high-voltage filter circuit is connected to a second end of the first IGBT module, and a second filter output end of the high-voltage filter circuit is respectively connected to a third end of the first IGBT module and a PTC power supply input end of the PTC heating component; wherein the high-voltage filter circuit is connected to the PTC heating component via a PTC high-voltage connector, and the PTC high-voltage connector is disposed on the driver housing.

[0009] Furthermore, the PTC heating component includes a PTC heating core and a PTC patch cord, and the second filter output end of the high-voltage filter circuit is connected to the PTC heating core through the PTC high-voltage connector and the PTC patch cord in sequence.

[0010] Furthermore, the driving component also includes a low-voltage filtering circuit, a DCDC converter, a transformer, a first LDO and a second LDO, the filtering input end of the low-voltage filtering circuit is connected to the low-voltage output end of the low-voltage connector, the first end of the low-voltage filtering circuit is connected to the first end of the DCDC converter, the second end of the DCDC converter is connected to the first end of the transformer, the first voltage output end of the transformer is connected to the first end of the first LDO, and the second end of the first LDO is connected to the first end of the main control chip.

[0011] Furthermore, the driving component further includes a communication chip and an isolation chip, the signal receiving end of the communication chip is connected to the vehicle control end, the second end of the communication chip is connected to the second end of the isolation chip, and the communication end of the isolation chip is connected to the communication end of the main control chip; The second voltage output terminal of the transformer is connected to the first terminal of the second LDO, and the second terminal of the second LDO is connected to the first terminal of the communication chip.

[0012] Furthermore, the driving component also includes an over-voltage and under-voltage detection circuit, the second end of the low-voltage filter circuit is connected to the first end of the over-voltage and under-voltage detection circuit, the second end of the over-voltage and under-voltage detection circuit is connected to the first end of the isolation chip, and the third end of the isolation chip is connected to the third end of the main control chip.

[0013] Furthermore, the driving component also includes a first current sampling module and a second current sampling module; The fourth end of the first IGBT module is connected to the first end of the first current sampling module, and the second end of the first current sampling module is connected to the ninth end of the main control chip; The second end of the second IGBT module is connected to the first end of the second current sampling module, and the second end of the second current sampling module is connected to the seventh end of the main control chip.

[0014] In a second aspect, an embodiment of the present invention further discloses a compressor, which includes a compressor driver with an integrated PTC heating component as described in the first aspect.

[0015] The present invention provides a compressor driver and a compressor with an integrated PTC heating component, wherein the compressor driver comprises a driver housing, a driver component, and a PTC heating component, wherein the driver component and the PTC heating component are both arranged in the driver housing; the driver component comprises a main control chip, a first IGBT driver component, and a second IGBT driver component, wherein the main control chip controls the output power of the compressor through the first IGBT driver component, and controls the output power of the PTC heating component through the second IGBT driver component; a low-voltage connector and a high-voltage connector are arranged on the driver housing, wherein the compressor driver is connected to a low-voltage power supply terminal through the low-voltage connector, and is connected to a high-voltage power supply terminal through the high-voltage connector. The present invention improves the integration of a thermal management system by integrating the PTC heating component into the compressor driver; in addition, in an embodiment of the present invention, the PTC heating component and the compressor share a main control chip, and the heating power of the PTC heating component and the output power of the compressor are precisely controlled by the main control chip, which can effectively reduce the manufacturing cost and system complexity of the thermal management system, thereby improving the space utilization of the system and reducing the occupied area of ​​the thermal management system. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0017] Figure 1 A first schematic diagram of a compressor driver provided by an embodiment of the present invention; Figure 2 A second schematic diagram of a compressor driver provided by an embodiment of the present invention; Figure 3A third schematic diagram of a compressor driver provided by an embodiment of the present invention; Figure 4 A schematic diagram of the overall structure of a compressor driver provided in an embodiment of the present invention.

[0018] Figure Number: 10. Compressor driver; 11. Driver housing; 121. PTC heating component; 122. Compressor; 131. Main control chip; 132. Three-phase insert; 133. Driver chip; 134. First IGBT module; 135. Push-pull output circuit; 136. Second IGBT module; 137. High-voltage filter circuit; 14. Low-voltage connector; 15. High-voltage connector; 16. PTC high-voltage connector; 171. Low-voltage filter circuit; 172. DCDC converter; 173. Transformer; 174. First LDO; 175. Second LDO; 176. Communication chip; 177. Isolation chip; 178. Over- and under-voltage detection circuit; 181. First current sampling module; 182. Second current sampling module. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0021] It should also be understood that the terms used in the present specification are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the present specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0022] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0023] The embodiment of the present invention provides a compressor driver with an integrated PTC heating component, such as Figures 1 to 4As shown, the compressor driver 10 includes a driver housing 11, a driving component, and a PTC heating component 121. The driving component and the PTC heating component 121 are both arranged in the driver housing 11; the driving component includes a main control chip 131, a first IGBT driving component and a second IGBT driving component. The main control chip 131 controls the output power of the compressor 122 through the first IGBT driving component, and controls the output power of the PTC heating component 121 through the second IGBT driving component; a low-voltage connector 14 and a high-voltage connector 15 are provided on the driver housing 11, and the compressor driver 10 is connected to the low-voltage power supply end through the low-voltage connector 14, and is connected to the high-voltage power supply end through the high-voltage connector 15.

[0024] In the present embodiment, the driving component and the PTC heating component 121 are both arranged in the driver housing 11. The present invention improves the integration of the thermal management system by integrating the PTC heating component 121 in the compressor driver 10; wherein the compressor driver 10, the PTC heating component 121 and the compressor 122 are all important components of the thermal management system, and the heating power of the PTC heating component 121 and the output power of the compressor 122 can be accurately controlled by the compressor driver 10; the driving component includes a main control chip 131, a first IGBT driving component and a second IGBT driving component, and the main control chip 131, the first IGBT driving component and the second IGBT driving component are all arranged on a driving circuit board, and the main control chip 131 controls the output power of the compressor 122 through the first IGBT driving component , the output power of the PTC heating component 121 is controlled by the second IGBT driving component. In the embodiment of the present invention, the PTC heating component 121 and the compressor 122 share a main control chip 131. The heating power of the PTC heating component 121 and the output power of the compressor 122 are accurately controlled by the main control chip 131, which can effectively reduce the manufacturing cost and system complexity of the thermal management system, thereby improving the space utilization of the system and reducing the occupied area of ​​the thermal management system; a low-voltage connector 14 and a high-voltage connector 15 are provided on the driver housing 11, and the compressor driver 10 is connected to the low-voltage power supply end through the low-voltage connector 14, and the low-voltage power supply end is used to power the main control chip 131 and the electronic devices arranged on the low-voltage side, and is connected to the high-voltage power supply end through the high-voltage connector 15, and the high-voltage power supply end is used to power the electronic devices arranged on the high-voltage side.

[0025] In one embodiment, if Figure 1 and Figure 4As shown, the first IGBT driving component includes a driving chip 133, a first IGBT module 134 and a three-phase insert 132, the first end of the driving chip 133 is connected to the second end of the main control chip 131, the second end of the driving chip 133 is connected to the first end of the first IGBT module 134, the output end of the first IGBT module 134 is connected to the input end of the three-phase insert 132, and the three-phase output end of the three-phase insert 132 is connected to the compressor 122.

[0026] In this embodiment, the main control chip 131 accurately controls the output power of the compressor 122 through the first IGBT driving component; the first IGBT driving component includes a driving chip 133, a first IGBT module 134 and a three-phase insert 132, the first end of the driving chip 133 is connected to the second end of the main control chip 131, the second end of the driving chip 133 is connected to the first end of the first IGBT module 134, the output end of the first IGBT module 134 is connected to the input end of the three-phase insert 132, the three-phase output end of the three-phase insert 132 is connected to the compressor 122, the first IGBT module 134 is composed of 6 IGBTs, and can convert direct current into alternating current to power the compressor 122; the main control chip 131 can control the level signal output by the driving chip according to the compressor control instruction from the vehicle control end, and then control the output power of the first IGBT module 134, so as to realize the conversion of different power levels of the compressor 122.

[0027] In one embodiment, if Figure 4 As shown, the second IGBT driving component includes a push-pull output circuit 135 and a second IGBT module 136, the first end of the push-pull output circuit 135 is connected to the eighth end of the main control chip 131, the second end of the push-pull output circuit 135 is connected to the first end of the second IGBT module 136, and the output end of the second IGBT module 136 is connected to the input end of the PTC heating component 121.

[0028] In this embodiment, the main control chip 131 accurately controls the output power of the PTC heating component 121 through the second IGBT driving component; the second IGBT driving component includes a push-pull output circuit 135 and a second IGBT module 136, the first end of the push-pull output circuit 135 is connected to the eighth end of the main control chip 131, the second end of the push-pull output circuit 135 is connected to the first end of the second IGBT module 136, the output end of the second IGBT module 136 is connected to the input end of the PTC heating component 121, the push-pull output circuit 135 is equivalent to a switch, in the embodiment of the present invention, the main control chip 131 can control the conduction state of the push-pull output circuit 135 according to the heating control instruction from the vehicle control end, and then control the output power of the second IGBT module 136, so as to realize the conversion of different power levels of the PTC heating component 121.

[0029] Furthermore, the drive component also includes an NTC (thermistor) component, which is connected to the sixth end of the main control chip 131; the NTC component includes a first NTC and a second NTC, the first NTC is arranged on a side close to the first IGBT module 134 to realize a first temperature detection, and transmits the detected first temperature information to the main control chip 131, and the main control chip 131 can judge whether there is an abnormality in the working state of the first IGBT module 134 according to the first temperature information, thereby improving the reliability of the operation of the compressor driver 10; the second NTC is arranged on a side close to the second IGBT module 136 to realize a second temperature detection, and transmits the detected second temperature information to the main control chip 131, and the main control chip 131 can judge whether there is an abnormality in the working state of the second IGBT module 136 according to the second temperature information, thereby improving the reliability of the operation of the compressor driver 10.

[0030] In one embodiment, if Figure 1 and Figure 4 As shown, the driving component includes a high-voltage filter circuit 137, the filter input end of the high-voltage filter circuit 137 is connected to the high-voltage output end of the high-voltage connector 15, the first filter output end of the high-voltage filter circuit 137 is connected to the second end of the first IGBT module 134, and the second filter output end of the high-voltage filter circuit 137 is respectively connected to the third end of the first IGBT module 134 and the PTC power supply input end of the PTC heating component 121; wherein, the high-voltage filter circuit 137 is connected to the PTC heating component 121 through the PTC high-voltage connector 16, and the PTC high-voltage connector 16 is arranged on the driver housing 11.

[0031] In this embodiment, the high-voltage power supply end is connected to the filter input end of the high-voltage filter circuit 137 through the high-voltage connector 15. The high-voltage filter circuit 137 has a filtering function, which can filter the target voltage and output it to the electrical equipment (PTC heating component 121 and compressor 122). Specifically, 1. The first filter output end of the high-voltage filter circuit 137 is connected to the second end of the first IGBT module 134, and the second filter output end of the high-voltage filter circuit 137 is connected to the third end of the first IGBT module 134. The first IGBT module 134 filters the target voltage. The DC voltage is converted into an AC voltage to power the compressor 122; 2. The second filter output end of the high-voltage filter circuit 137 is also connected to the PTC power supply input end of the PTC heating component 121; wherein, the high-voltage filter circuit 137 is connected to the PTC heating component 121 through a PTC high-voltage connector 16, and the PTC high-voltage connector 16 is arranged on the driver housing 11; in addition, the negative terminal of the high-voltage power supply end is connected to the third end of the second IGBT module 136, thereby forming a loop to realize the conversion of different power levels of the PTC heating component 121.

[0032] In one embodiment, if Figure 1 and Figure 4 As shown, the PTC heating component 121 includes a PTC heating core and a PTC connector, and the second filter output end of the high-voltage filter circuit 137 is connected to the PTC heating core through the PTC high-voltage connector 16 and the PTC connector in sequence.

[0033] In this embodiment, the PTC heating component 121 is arranged in the driver housing 11, and the PTC heating component 121 includes a PTC heating core and a PTC connector. The second filter output end of the high-voltage filter circuit 137 is connected to the PTC heating core through the PTC high-voltage connector 16 and the PTC connector in sequence to power the PTC heating core, thereby improving the stability of the operation of the PTC heating core.

[0034] In one embodiment, if Figure 1 and Figure 4As shown, the driving component also includes a low-voltage filter circuit 171, a DCDC converter 172, a transformer 173, a first LDO 174 and a second LDO 175. The filter input end of the low-voltage filter circuit 171 is connected to the low-voltage output end of the low-voltage connector 14, the first end of the low-voltage filter circuit 171 is connected to the first end of the DCDC converter 172, the second end of the DCDC converter 172 is connected to the first end of the transformer 173, the first voltage output end of the transformer 173 is connected to the first end of the first LDO 174, and the second end of the first LDO 174 is connected to the first end of the main control chip 131.

[0035] In this embodiment, the low-voltage filter circuit 171 has a filtering function and can filter the target voltage to ensure stable operation of the line; the first end of the low-voltage filter circuit 171 is connected to the first end of the DCDC converter 172, the second end of the DCDC converter 172 is connected to the first end of the transformer 173, the first voltage output end of the transformer 173 is connected to the first end of the first LDO174, and the second end of the first LDO174 is connected to the first end of the main control chip 131 to provide the main control chip 131 with the required working voltage.

[0036] In one embodiment, if Figure 4 As shown, the driving component also includes a communication chip 176 and an isolation chip 177. The signal receiving end of the communication chip 176 is connected to the vehicle control end, the second end of the communication chip 176 is connected to the second end of the isolation chip 177, and the communication end of the isolation chip 177 is connected to the communication end of the main control chip 131; the second voltage output end of the transformer 173 is connected to the first end of the second LDO175, and the second end of the second LDO175 is connected to the first end of the communication chip 176.

[0037] In this embodiment, the communication chip 176 and the isolation chip 177 are both arranged on the driving circuit board, the signal receiving end of the communication chip 176 is connected to the vehicle control end, the second end of the communication chip 176 is connected to the second end of the isolation chip 177, and the communication end of the isolation chip 177 is connected to the communication end of the main control chip 131; the communication chip 176 is used to receive the communication signal from the vehicle control end, and transmit the communication signal to the main control chip 131 through the isolation chip 177 to accurately control the heating power of the PTC heating component 121 and / or the output power of the compressor 122.

[0038] The second voltage output terminal of the transformer 173 is connected to the first terminal of the second LDO 175 , and the second terminal of the second LDO 175 is connected to the first terminal of the communication chip 176 to provide the communication chip 176 with the required working voltage.

[0039] In one embodiment, if Figure 4 As shown, the driving component also includes an over-voltage and under-voltage detection circuit 178, the second end of the low-voltage filter circuit 171 is connected to the first end of the over-voltage and under-voltage detection circuit 178, the second end of the over-voltage and under-voltage detection circuit 178 is connected to the first end of the isolation chip 177, and the third end of the isolation chip 177 is connected to the third end of the main control chip 131.

[0040] In this embodiment, the over-voltage and under-voltage detection circuit 178 is arranged on the driving circuit board, the second end of the low-voltage filter circuit 171 is connected to the first end of the over-voltage and under-voltage detection circuit 178, the second end of the over-voltage and under-voltage detection circuit 178 is connected to the first end of the isolation chip 177, and the third end of the isolation chip 177 is connected to the third end of the main control chip 131. The over-voltage and under-voltage detection circuit 178 is used to detect the input voltage on the low-voltage side, and transmit the detected voltage data to the main control chip 131 set on the high-voltage side through the isolation chip 177, so that the main control chip 131 determines whether there is an over-voltage and under-voltage situation based on the voltage data. If so, the power supply to the PTC heating component 121 and the compressor 122 is stopped to prevent damage to the components.

[0041] In one embodiment, if Figure 4 As shown, the driving component also includes a first current sampling module 181 and a second current sampling module 182; the fourth end of the first IGBT module 134 is connected to the first end of the first current sampling module 181, and the second end of the first current sampling module 181 is connected to the ninth end of the main control chip 131; the second end of the second IGBT module 136 is connected to the first end of the second current sampling module 182, and the second end of the second current sampling module 182 is connected to the seventh end of the main control chip 131.

[0042] In this embodiment, the first current sampling module 181 is used to collect the first current and transmit it to the main control chip 131, and the second current sampling module 182 is used to collect the second current and transmit it to the main control chip 131; wherein, the first current is the current on the first IGBT module 134, and the second current is the current on the second IGBT module 136; the main control chip 131 can obtain the real-time output power of the compressor 122 and the real-time heating power of the PTC heating component 121 according to the collected first current and second current; the main control chip 131 accurately controls the output power of the compressor 122 according to the real-time output power and the compressor control instruction from the vehicle control end, and accurately controls the real-time heating power of the PTC heating component 121 according to the real-time heating power and the heating control instruction from the vehicle control end, thereby realizing power closed-loop control.

[0043] The present invention also provides a compressor, such as Figure 1 and Figure 4 As shown, the compressor 122 includes the compressor driver 10 .

[0044] In this embodiment, the compressor 122 includes the compressor driver 10, and the compressor driver 10 is connected to the compressor 122. The PTC heating component 121 is arranged in the compressor driver 10. The present invention can improve the integration of the thermal management system by integrating the PTC heating component 121 in the compressor driver 10. The heating power of the PTC heating component 121 and the output power of the compressor 122 can also be precisely controlled by the compressor driver 10, thereby reducing the manufacturing cost and system complexity of the thermal management system.

[0045] The present invention provides a compressor driver and a compressor with an integrated PTC heating component, wherein the compressor driver comprises a driver housing, a driver component, and a PTC heating component, wherein the driver component and the PTC heating component are both arranged in the driver housing; the driver component comprises a main control chip, a first IGBT driver component, and a second IGBT driver component, wherein the main control chip controls the output power of the compressor through the first IGBT driver component, and controls the output power of the PTC heating component through the second IGBT driver component; a low-voltage connector and a high-voltage connector are arranged on the driver housing, wherein the compressor driver is connected to a low-voltage power supply terminal through the low-voltage connector, and is connected to a high-voltage power supply terminal through the high-voltage connector. The present invention improves the integration of a thermal management system by integrating the PTC heating component into the compressor driver; in addition, in an embodiment of the present invention, the PTC heating component and the compressor share a main control chip, and the heating power of the PTC heating component and the output power of the compressor are precisely controlled by the main control chip, which can effectively reduce the manufacturing cost and system complexity of the thermal management system, thereby improving the space utilization of the system and reducing the occupied area of ​​the thermal management system.

[0046] The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A compressor driver with integrated PTC heating component, characterized in that: The compressor driver comprises a driver housing, a driver component, and a PTC heating component, wherein the driver component and the PTC heating component are both arranged in the driver housing; The driving component includes a main control chip, a first IGBT driving component and a second IGBT driving component. The main control chip controls the output power of the compressor through the first IGBT driving component, and controls the output power of the PTC heating component through the second IGBT driving component. The driver housing is provided with a low-voltage connector and a high-voltage connector. The compressor driver is connected to the low-voltage power supply end through the low-voltage connector and is connected to the high-voltage power supply end through the high-voltage connector.

2. The compressor driver with integrated PTC heating assembly according to claim 1, characterized in that: The first IGBT driving component includes a driving chip, a first IGBT module and a three-phase insert, the first end of the driving chip is connected to the second end of the main control chip, the second end of the driving chip is connected to the first end of the first IGBT module, the output end of the first IGBT module is connected to the input end of the three-phase insert, and the three-phase output end of the three-phase insert is connected to the compressor.

3. The compressor driver with integrated PTC heating assembly according to claim 2, characterized in that: The second IGBT driving component includes a push-pull output circuit and a second IGBT module. The first end of the push-pull output circuit is connected to the eighth end of the main control chip, the second end of the push-pull output circuit is connected to the first end of the second IGBT module, and the output end of the second IGBT module is connected to the input end of the PTC heating component.

4. The compressor driver with integrated PTC heating assembly according to claim 2, characterized in that: The driving component includes a high-voltage filter circuit, a filter input end of the high-voltage filter circuit is connected to the high-voltage output end of the high-voltage connector, a first filter output end of the high-voltage filter circuit is connected to the second end of the first IGBT module, and a second filter output end of the high-voltage filter circuit is respectively connected to the third end of the first IGBT module and the PTC power supply input end of the PTC heating component; wherein the high-voltage filter circuit is connected to the PTC heating component via a PTC high-voltage connector, and the PTC high-voltage connector is arranged on the driver housing.

5. The compressor driver with integrated PTC heating assembly according to claim 4, characterized in that: The PTC heating component comprises a PTC heating core and a PTC patch cord, and the second filter output end of the high-voltage filter circuit is connected to the PTC heating core through the PTC high-voltage connector and the PTC patch cord in sequence.

6. The compressor driver with integrated PTC heating assembly according to claim 1, characterized in that: The driving component also includes a low-voltage filter circuit, a DCDC converter, a transformer, a first LDO and a second LDO. The filter input end of the low-voltage filter circuit is connected to the low-voltage output end of the low-voltage connector, the first end of the low-voltage filter circuit is connected to the first end of the DCDC converter, the second end of the DCDC converter is connected to the first end of the transformer, the first voltage output end of the transformer is connected to the first end of the first LDO, and the second end of the first LDO is connected to the first end of the main control chip.

7. The compressor driver with integrated PTC heating assembly according to claim 6, characterized in that: The driving component also includes a communication chip and an isolation chip, the signal receiving end of the communication chip is connected to the vehicle control end, the second end of the communication chip is connected to the second end of the isolation chip, and the communication end of the isolation chip is connected to the communication end of the main control chip; The second voltage output terminal of the transformer is connected to the first terminal of the second LDO, and the second terminal of the second LDO is connected to the first terminal of the communication chip.

8. The compressor driver with integrated PTC heating assembly according to claim 7, characterized in that: The driving component also includes an over-voltage and under-voltage detection circuit, the second end of the low-voltage filter circuit is connected to the first end of the over-voltage and under-voltage detection circuit, the second end of the over-voltage and under-voltage detection circuit is connected to the first end of the isolation chip, and the third end of the isolation chip is connected to the third end of the main control chip.

9. The compressor driver with integrated PTC heating assembly according to claim 3, characterized in that: The driving component also includes a first current sampling module and a second current sampling module; The fourth end of the first IGBT module is connected to the first end of the first current sampling module, and the second end of the first current sampling module is connected to the ninth end of the main control chip; The second end of the second IGBT module is connected to the first end of the second current sampling module, and the second end of the second current sampling module is connected to the seventh end of the main control chip.

10. A compressor, characterized in that: The compressor comprises a compressor driver with an integrated PTC heating assembly as claimed in any one of claims 1-9.

Images