A fuel cell engine coolant circuit device

Abstract

The present invention provides a fuel cell engine coolant circuit device, comprising a pressure sensor, a temperature sensor, a hydrogen heat exchanger, an intercooler and a pipeline, wherein the pressure sensor is used to monitor the hydraulic pressure of the coolant, the temperature sensor is used to monitor the temperature of the coolant, the hydrogen heat exchanger is used to increase the temperature of the hydrogen, the intercooler is used to reduce the temperature of the high-temperature air after the supercharging, the pipeline is used to detachably connect any two of the pressure sensor, the temperature sensor, the hydrogen heat exchanger and the intercooler, and the pipeline is configured with an insulating material. Such an arrangement can effectively reduce the risk of accidental touch by users during the operation of the fuel cell engine or the risk of electric shock by maintenance personnel during the maintenance process, thereby ensuring the safe operation of the fuel cell engine.

Description

Technical Field

[0001] The invention belongs to the technical field of engines, and in particular relates to a coolant circuit device for a fuel cell engine. Background Art

[0002] According to the current industry status, based on the working principle, application environment and current industry manufacturing level of the parts in the fuel cell engine coolant circuit, the shell of each part must be made of metal. However, the coolant circuit carries voltage, and these metal devices will accumulate charge during operation, forming an electric potential difference with the earth. When users or maintenance personnel touch the surface of these parts during the operation of the fuel cell engine, there is a risk of electric shock. Summary of the invention

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a fuel cell engine coolant circuit, which can effectively reduce the risk of accidental touch by users during the operation of the fuel cell engine or the risk of electric shock by maintenance personnel during the maintenance process, thereby ensuring the safe operation of the fuel cell engine.

[0004] The technical solution adopted by the present invention to solve its technical problem is:

[0005] The present invention provides a fuel cell engine coolant circuit device, comprising:

[0006] Pressure sensor to monitor the coolant hydraulic pressure;

[0007] Temperature sensor, used to monitor the temperature of the coolant;

[0008] A hydrogen heat exchanger, used to increase the temperature of hydrogen;

[0009] Intercooler, used to reduce the temperature of high-temperature air after supercharging;

[0010] a pipeline, the pipeline being used for detachably connecting any two of the pressure sensor, the temperature sensor, the hydrogen heat exchanger and the intercooler;

[0011] The pipeline is configured with an insulating material.

[0012] As a preferred embodiment, the main body of the pressure sensor is provided with a sensing part and a first plug-in part, the sensing part is used to sense the hydraulic pressure of the coolant, and the first plug-in part is used to plug the pipeline;

[0013] The sensing part is configured to be made of metal material, the first plug-in part is configured to be made of insulating material, and an insulating coating is provided on the outside of the main body of the pressure sensor.

[0014] As a preferred embodiment, the main body of the temperature sensor is provided with a probe and a second plug-in portion, the probe is used to detect the temperature of the coolant, and the second plug-in portion is used to plug the pipeline;

[0015] The probe is configured to be made of metal material, the second plug-in portion is configured to be made of insulating material, and an insulating coating is provided on the outside of the body of the temperature sensor.

[0016] As a preferred embodiment, the hydrogen heat exchanger is provided with an inlet and an outlet, the inlet includes a first inlet and a second inlet, and the outlet includes a first outlet and a second outlet;

[0017] One of the first inlet and the second inlet is used for inputting hydrogen, and the other is used for inputting cooling liquid; one of the first outlet and the second outlet is used for outputting hydrogen, and the other is used for outputting cooling liquid.

[0018] As a preferred embodiment, the intercooler is provided with an inlet and an outlet, the inlet includes a third inlet and a fourth inlet, and the outlet includes a third outlet and the fourth outlet;

[0019] One of the third inlet and the fourth inlet is used for inputting air, and the other is used for inputting cooling liquid; one of the third outlet and the fourth outlet is used for outputting air, and the other is used for outputting cooling liquid.

[0020] As a preferred implementation, the body of the temperature sensor is further provided with a threaded portion, the threaded portion is used for threaded connection with the pipeline, and the threaded portion and the probe are integrally formed.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] The fuel cell engine coolant circuit device of the present invention includes a pressure sensor, a temperature sensor, a hydrogen heat exchanger, an intercooler and a pipeline, wherein the pressure sensor is used to monitor the hydraulic pressure of the coolant, the temperature sensor is used to monitor the temperature of the coolant, the hydrogen heat exchanger is used to increase the temperature of the hydrogen, the intercooler is used to reduce the temperature of the high-temperature air after the boost, and the pipeline is used to detachably connect any two of the pressure sensor, the temperature sensor, the hydrogen heat exchanger and the intercooler. The pipeline is configured with an insulating material. Such an arrangement can effectively reduce the risk of accidental touch by users during the operation of the fuel cell engine or the risk of electric shock by maintenance personnel during the maintenance process, thereby ensuring the safe operation of the fuel cell engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] 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.

[0024] Figure 1 is a three-dimensional structural diagram of a pressure sensor according to an embodiment of the present invention;

[0025] Figure 2 is a three-dimensional structural diagram of a temperature sensor according to an embodiment of the present invention;

[0026] Figure 3 This is a three-dimensional structural diagram of a hydrogen heat exchanger according to an embodiment of the present invention;

[0027] Figure 4 It is a three-dimensional structural diagram of an intercooler according to an embodiment of the present invention.

[0028] in:

[0029] 1-pressure sensor; 11-sensing part; 12-first plug-in part; 2-temperature sensor; 21-probe; 22-threaded part; 23-second plug-in part; 3-hydrogen heat exchanger; 31-first inlet; 32-first outlet; 33-second inlet; 34-second outlet; 4-intercooler; 41-third inlet; 42-third outlet; 43-fourth inlet; 44-fourth outlet. DETAILED DESCRIPTION

[0030] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. In the following description, many specific details are set forth in order to fully understand the present invention, and the embodiments described are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in the art without making creative work are within the scope of protection of the present invention.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used in the specification of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0032] An embodiment of the present invention provides a fuel cell engine coolant circuit device including a pressure sensor 1, a temperature sensor 2, a hydrogen heat exchanger 3, an intercooler 4 and a pipeline, wherein the pressure sensor 1 is used to monitor the hydraulic pressure of the coolant, the temperature sensor 2 is used to monitor the temperature of the coolant, the hydrogen heat exchanger 3 is used to increase the temperature of the hydrogen, the intercooler 4 is used to reduce the temperature of the high-temperature air after the boost, and the pipeline is used to detachably connect any two of the pressure sensor 1, the temperature sensor 2, the hydrogen heat exchanger 3 and the intercooler 4. The pipeline is configured with an insulating material. Such a configuration can effectively reduce the risk of accidental touch by users during the operation of the fuel cell engine or the risk of electric shock by maintenance personnel during the maintenance process, thereby ensuring the safe operation of the fuel cell engine.

[0033] For details, please refer to Figures 1 to 4 , Figure 1 The pressure sensor 1 in this embodiment includes a main body. A sensing part 11 and a first plug-in part 12 are provided on the main body of the pressure sensor 1. The sensing part 11 is used to sense the hydraulic pressure of the coolant, and the first plug-in part 12 is used to plug into the pipeline. The sensing part 11 is configured as a metal material, and the first plug-in part 12 is configured as an insulating material. An insulating coating is provided on the outside of the main body of the pressure sensor 1. With such an arrangement, there is no risk of electric shock when the pressure sensor 1 is exposed to the outside of the fuel cell engine, thereby avoiding accidental touch by users during the operation of the fuel cell engine or electric shock by maintenance personnel during the maintenance process.

[0034] Figure 2 The temperature sensor 2 in this embodiment also includes a main body. A probe 21 and a second plug-in portion 23 are provided on the main body of the temperature sensor 2. The probe 21 is used to detect the temperature of the coolant, and the second plug-in portion 23 is used to plug into the pipeline. The probe 21 is configured as a metal material, and the second plug-in portion 23 is configured as an insulating material. An insulating coating is provided on the outside of the main body of the temperature sensor 2. The main body of the temperature sensor 2 is also provided with a threaded portion 22, and the threaded portion 22 is used to be threadedly connected to the pipeline. The threaded portion 22 and the probe 21 are integrally formed, and the threaded portion 22 and the probe 21 are made of the same material. With this arrangement, there is no risk of electric shock when the temperature sensor 2 is in the leaking part of the fuel cell engine.

[0035] Figure 3The hydrogen heat exchanger 3 in this embodiment is used to increase the temperature of hydrogen. The hydrogen heat exchanger 3 is provided with an inlet and an outlet. There are two inlets and two outlets respectively. For the convenience of distinction, the two inlets are defined as a first inlet 31 and a second inlet 33, and the two outlets are defined as a first outlet 32 ​​and a second outlet 34; one of the first inlet 31 and the second inlet 33 is used to input hydrogen, and the other is used to input coolant; one of the first outlet 32 ​​and the second outlet 34 is used to output hydrogen, and the other is used to output coolant; the inlet and outlet for inputting and outputting hydrogen are connected, and the inlet and outlet for inputting and outputting coolant are connected, and do not interfere with each other. Except for the first inlet 31, the second inlet 33, the first outlet 32 ​​and the second outlet 34 mentioned above, the remaining surface of the hydrogen heat exchanger 3 is sprayed with plastic, and there is no risk of electric shock on the leaking part of the fuel cell engine of the treated hydrogen heat exchanger 3.

[0036] Figure 4 The intercooler 4 in this embodiment is used to reduce the temperature of the high-temperature air after supercharging. Similar to the air heat exchanger, the intercooler 4 is provided with an inlet and an outlet. There are two inlets and two outlets respectively. For the convenience of distinction, the two inlets are defined as a third inlet 41 and a fourth inlet 43, and the two outlets are defined as a third outlet 42 and a fourth outlet 44; one of the third inlet 41 and the fourth inlet 43 is used to input air, and the other is used to input coolant; one of the third outlet 42 and the fourth outlet 44 is used to output air, and the other is used to output coolant; the inlet and outlet for inputting and outputting air are connected, and the inlet and outlet for inputting and outputting coolant are connected, and do not interfere with each other. Except for the third inlet 41, the fourth inlet 43, the third outlet 42 and the fourth outlet 44 mentioned above, the rest of the surface of the intercooler 4 is sprayed with plastic, and there is no risk of electric shock on the leaking part of the fuel cell engine of the intercooler 4 after the treatment.

[0037] In summary, the present invention provides a fuel cell engine coolant circuit device, including a pressure sensor 1, a temperature sensor 2, a hydrogen heat exchanger 3, an intercooler 4 and a pipeline, wherein the pressure sensor 1 is used to monitor the hydraulic pressure of the coolant, the temperature sensor 2 is used to monitor the temperature of the coolant, the hydrogen heat exchanger 3 is used to increase the temperature of the hydrogen, and the intercooler 4 is used to reduce the temperature of the high-temperature air after the boost. The pipeline is used to detachably connect any two of the pressure sensor 1, the temperature sensor 2, the hydrogen heat exchanger 3 and the intercooler 4, and the pipeline is configured with an insulating material. Such a configuration can effectively reduce the risk of accidental touch by users during the operation of the fuel cell engine or the risk of electric shock by maintenance personnel during the maintenance process, thereby ensuring the safe operation of the fuel cell engine.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Therefore, any modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A fuel cell engine coolant circuit device, characterized in that: include: A pressure sensor (1) for monitoring the hydraulic pressure of the coolant; A temperature sensor (2) for monitoring the temperature of the coolant; A hydrogen heat exchanger (3) for increasing the temperature of the hydrogen; An intercooler (4) is used to reduce the temperature of the high-temperature air after supercharging; A pipeline, the pipeline being used for detachably connecting any two of the pressure sensor (1), the temperature sensor (2), the hydrogen heat exchanger (3) and the intercooler (4); The pipeline is configured with an insulating material.

2. The fuel cell engine coolant circuit device according to claim 1, characterized in that: The main body of the pressure sensor (1) is provided with a sensing part (11) and a first plug-in part (12), wherein the sensing part (11) is used to sense the hydraulic pressure of the coolant, and the first plug-in part (12) is used to plug into the pipeline; The sensing part (11) is configured to be made of metal material, the first plug-in part (12) is configured to be made of insulating material, and an insulating coating is provided on the outside of the main body of the pressure sensor (1).

3. The fuel cell engine coolant circuit device according to claim 1, characterized in that: The main body of the temperature sensor (2) is provided with a probe (21) and a second plug-in portion (23), wherein the probe (21) is used to detect the temperature of the coolant, and the second plug-in portion (23) is used to plug into the pipeline; The probe (21) is configured to be made of metal material, the second plug-in portion (23) is configured to be made of insulating material, and an insulating coating is provided on the outside of the main body of the temperature sensor (2).

4. The fuel cell engine coolant circuit device according to claim 1, characterized in that: The hydrogen heat exchanger (3) is provided with an inlet and an outlet, the inlet includes a first inlet (31) and a second inlet (33), and the outlet includes a first outlet (32) and a second outlet (34); One of the first inlet (31) and the second inlet (33) is used to input hydrogen, and the other is used to input cooling liquid; one of the first outlet (32) and the second outlet (34) is used to output hydrogen, and the other is used to output cooling liquid.

5. The fuel cell engine coolant circuit device according to claim 1, characterized in that: The intercooler (4) is provided with an inlet and an outlet, the inlet includes a third inlet (41) and a fourth inlet (43), and the outlet includes a third outlet (42) and the fourth outlet (44); One of the third inlet (41) and the fourth inlet (43) is used for inputting air, and the other is used for inputting cooling liquid; one of the third outlet (42) and the fourth outlet (44) is used for outputting air, and the other is used for outputting cooling liquid.

6. The fuel cell engine coolant circuit device according to claim 3, characterized in that: The body of the temperature sensor (2) is further provided with a threaded portion (22), the threaded portion (22) being used for threaded connection with the pipeline, and the threaded portion (22) and the probe (21) are integrally formed.

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