CN209875281U - Multi-specification engine coolant temperature control device - Google Patents
Multi-specification engine coolant temperature control device Download PDFInfo
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- CN209875281U CN209875281U CN201920223022.2U CN201920223022U CN209875281U CN 209875281 U CN209875281 U CN 209875281U CN 201920223022 U CN201920223022 U CN 201920223022U CN 209875281 U CN209875281 U CN 209875281U
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Abstract
The utility model discloses an engine coolant temperature control device of many specifications belongs to engine test technical field, and to the bench test in the time of the engine not corresponding with temperature control device's specification, the problem of control accuracy with greatly reduced. Two heat exchangers are installed, can be used independently or jointly, and are additionally provided with expansion interfaces, so that the heat exchangers can be infinitely added for parallel use. When the heat exchanger is used, the pipeline is switched into the heat exchanger with the corresponding specification according to the opening and closing of the relevant electromagnetic valve according to engines with different displacement. A branch is added between the internal circulation and the external circulation of the two heat exchangers, and the circulation of the engine can be driven through cooling water circulation when the engine does not have a water pump through the control of an electromagnetic valve.
Description
Technical Field
The utility model belongs to the technical field of the engine test, especially, relate to an engine coolant temperature control device of many specifications.
Background
The temperature control of the engine in the bench test is realized by the coolant temperature control device, but the specification of the coolant temperature control device corresponds to the displacement of the engine and is generally divided into three specifications, namely large, medium and small, and if the engine does not correspond to the specification of the coolant temperature control device, the control precision is greatly reduced.
Disclosure of Invention
The utility model aims to solve the technical problem that an engine coolant temperature control device of many specifications is provided, the device have a plurality of plate heat exchangers and a plurality of circulation path, but a plurality of specification modes of switching over can expand external engine type that accords with more, also can be used for not taking the engine of water pump and taking the engine of water pump certainly.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a multi-specification engine coolant temperature control device is composed of an engine cycle and a cooling water cycle, and includes: the system comprises a water pump 1, a first electromagnetic valve 2, a first ball valve 3, a second ball valve 4, a first heat exchanger 5, a second electromagnetic valve 6, a third ball valve 7, a fourth ball valve 8, a third electromagnetic valve 9, an engine 10, a fourth electromagnetic valve 11, a fifth electromagnetic valve 12, a second heat exchanger 13, a controller 14, a proportional three-way valve 15 and a heater 16;
the engine is circulated, a water outlet of an engine 10 is connected to an engine circulation water inlet pipe through a valve, the engine circulation water inlet pipe is divided into two parts, one part is connected to an engine circulation water inlet of a first heat exchanger 5 through a third electromagnetic valve 9, the other part is connected to an engine circulation water inlet of a second heat exchanger 13 through a fourth electromagnetic valve 11, and the engine circulation water outlets of the first heat exchanger 5 and the second heat exchanger 13 are connected to the water inlet of the engine 10 through valves;
cooling water circulation, wherein a water pump 1 is connected from a cooling water inlet, the water pump 1 is connected to a cooling water circulation inlet pipe through a valve, the cooling water circulation inlet pipe is divided into three lines, one line is connected to the cooling water circulation inlet of the first heat exchanger 5, the second line is connected to the cooling water circulation inlet of the second heat exchanger 13, cooling water circulation outlets of the first heat exchanger 5 and the second heat exchanger 13 are connected to a cooling water circulation outlet pipe, and the third line is in short circuit with the cooling water circulation inlet pipe and the cooling water circulation outlet pipe through a first electromagnetic valve 2; the cooling water circulation water outlet pipe is connected to a valve, and a proportional three-way valve 15 is connected between the valve and a cooling water outlet; the proportional three-way valve 15 is connected to the heater 16 through a branch, and is connected between the water pump 1 and the valve through the heater 16;
a cooling water circulating water outlet of the first heat exchanger 5 is connected with an engine circulating water outlet through a second electromagnetic valve 6 to form a branch; a cooling water circulating water outlet of the second heat exchanger 13 is connected with an engine circulating water outlet through a fifth electromagnetic valve 12 to form a branch;
the controller 14 is electrically connected to the first solenoid valve 2, the second solenoid valve 6, the third solenoid valve 9, the fourth solenoid valve 11, the fifth solenoid valve 12, the proportional three-way valve 15, and the heater 16, and the controller 14 is configured to control on and off of the first solenoid valve 2, the second solenoid valve 6, the third solenoid valve 9, the fourth solenoid valve 11, the fifth solenoid valve 12, the proportional three-way valve 15, and the heater 16.
Preferably, the engine circulation water inlet and the engine circulation water outlet of the first heat exchanger 5 and the second heat exchanger 13 are respectively connected to the third ball valve 7 and the fourth ball valve 8 through branch pipelines; the cooling water circulation water inlet and the cooling water circulation water outlet of the first heat exchanger 5 and the second heat exchanger 13 are respectively connected to the first ball valve 3 and the second ball valve 4 through branch pipelines; the first ball valve 3, the second ball valve 4, the third ball valve 7 and the fourth ball valve 8 are used as interfaces for connecting another group of heat exchangers.
Preferably, the first heat exchanger 5 and the second heat exchanger 13 are larger and smaller in size, and more specifications can be combined.
The utility model has the advantages that:
the utility model discloses in installed two heat exchangers, one big one is little, can separate the exclusive use, also can use one, has expansion interface in addition, can infinitely increase the parallelly connected use of heat exchanger. When the heat exchanger is used, the control system is provided with the opening and closing of the relevant electromagnetic valves according to engines with different displacement, and the pipelines are switched into the heat exchangers with the specifications corresponding to the pipelines. Meanwhile, the control system is switched to a corresponding pipeline according to the condition that whether the engine is provided with the water pump or not. Therefore, the utility model discloses use extensively, can satisfy the experimental demand of the difference of various engines.
Drawings
Fig. 1 is a schematic structural diagram of the engine coolant temperature control device of the present invention.
1 is a water pump, 2 is a first electromagnetic valve, 3 is a first ball valve, 4 is a second ball valve, 5 is a first heat exchanger, 6 is a second electromagnetic valve, 7 is a third ball valve, 8 is a fourth ball valve, 9 is a third electromagnetic valve, 10 is an engine, 11 is a fourth electromagnetic valve, 12 is a fifth electromagnetic valve, 13 is a second heat exchanger, 14 is a controller, 15 is a proportional three-way valve, and 16 is a heater.
Detailed Description
The following detailed description of embodiments of the present patent refers to the accompanying drawings.
As shown in fig. 1, a multi-specification engine coolant temperature control apparatus, which is constituted by an engine cycle and a cooling water cycle, includes: the system comprises a water pump 1, a first electromagnetic valve 2, a first ball valve 3, a second ball valve 4, a first heat exchanger 5, a second electromagnetic valve 6, a third ball valve 7, a fourth ball valve 8, a third electromagnetic valve 9, an engine 10, a fourth electromagnetic valve 11, a fifth electromagnetic valve 12, a second heat exchanger 13, a controller 14, a proportional three-way valve 15 and a heater 16;
the engine is circulated, a water outlet of an engine 10 is connected to an engine circulation water inlet pipe through a valve, the engine circulation water inlet pipe is divided into two parts, one part is connected to an engine circulation water inlet of a first heat exchanger 5 through a third electromagnetic valve 9, the other part is connected to an engine circulation water inlet of a second heat exchanger 13 through a fourth electromagnetic valve 11, and the engine circulation water outlets of the first heat exchanger 5 and the second heat exchanger 13 are connected to the water inlet of the engine 10 through valves;
cooling water circulation, wherein a water pump 1 is connected from a cooling water inlet, the water pump 1 is connected to a cooling water circulation inlet pipe through a valve, the cooling water circulation inlet pipe is divided into three lines, one line is connected to the cooling water circulation inlet of the first heat exchanger 5, the second line is connected to the cooling water circulation inlet of the second heat exchanger 13, cooling water circulation outlets of the first heat exchanger 5 and the second heat exchanger 13 are connected to a cooling water circulation outlet pipe, and the third line is in short circuit with the cooling water circulation inlet pipe and the cooling water circulation outlet pipe through a first electromagnetic valve 2; the cooling water circulation water outlet pipe is connected to a valve, and a proportional three-way valve 15 is connected between the valve and a cooling water outlet; the proportional three-way valve 15 is connected to the heater 16 through a branch, and is connected between the water pump 1 and the valve through the heater 16; a short circuit circulation is arranged at the position of the cooling water inlet at the water outlet, and a valve is used for controlling the switch;
a cooling water circulating water outlet of the first heat exchanger 5 is connected with an engine circulating water outlet through a second electromagnetic valve 6 to form a branch; a cooling water circulating water outlet of the second heat exchanger 13 is connected with an engine circulating water outlet through a fifth electromagnetic valve 12 to form a branch;
the controller 14 is electrically connected to the first solenoid valve 2, the second solenoid valve 6, the third solenoid valve 9, the fourth solenoid valve 11, the fifth solenoid valve 12, the proportional three-way valve 15, and the heater 16, and the controller 14 is configured to control on and off of the first solenoid valve 2, the second solenoid valve 6, the third solenoid valve 9, the fourth solenoid valve 11, the fifth solenoid valve 12, the proportional three-way valve 15, and the heater 16.
The engine circulating water inlets and the engine circulating water outlets of the first heat exchanger 5 and the second heat exchanger 13 are respectively connected to the third ball valve 7 and the fourth ball valve 8 through branch pipelines; the cooling water circulation water inlet and the cooling water circulation water outlet of the first heat exchanger 5 and the second heat exchanger 13 are respectively connected to the first ball valve 3 and the second ball valve 4 through branch pipelines; the first ball valve 3, the second ball valve 4, the third ball valve 7 and the fourth ball valve 8 are used as interfaces for connecting another group of heat exchangers.
The utility model discloses a use as follows:
the utility model is used for the control to the engine temperature, the engine is all from taking the water pump under most circumstances, when closing first solenoid valve 2, second solenoid valve 6, fourth solenoid valve 11, fifth solenoid valve 12, open third solenoid valve 9, this system uses first heat exchanger 5;
when the first solenoid valve 2, the second solenoid valve 6, the third solenoid valve 9, the fifth solenoid valve 12 are closed and the fourth solenoid valve 11 is opened, the system uses the second heat exchanger 13; when the first solenoid valve 2, the second solenoid valve 6 and the fifth solenoid valve 12 are closed and the third solenoid valve 9 and the fourth solenoid valve 11 are opened, the first heat exchanger 5 and the second heat exchanger 13 are used simultaneously.
When the engine does not have a water pump, the first electromagnetic valve 2 and the third electromagnetic valve 9 are closed, the second electromagnetic valve 6, the fourth electromagnetic valve 11 and the fifth electromagnetic valve 12 are opened, the water path is pushed to circulate through the water pump 1, and the temperature of the engine is controlled by using the second heat exchanger 13.
The controller 14 switches to different specifications by these operations, and meets the condition requirements of different models of engines. And heat exchangers of different types can be installed among the four ball valves of the first ball valve 3, the second ball valve 4, the third ball valve 7 and the fourth ball valve 8 in an extensible mode, so that the use of more specifications is realized. The water temperature is controlled by the heater 16 and the proportional three-way valve 15, so that various temperature requirements are met.
Claims (3)
1. The multi-specification engine coolant temperature control device is characterized by being composed of an engine cycle and a cooling water cycle and mainly comprising the following components: the water pump comprises a water pump (1), a first electromagnetic valve (2), a first ball valve (3), a second ball valve (4), a first heat exchanger (5), a second electromagnetic valve (6), a third ball valve (7), a fourth ball valve (8), a third electromagnetic valve (9), an engine (10), a fourth electromagnetic valve (11), a fifth electromagnetic valve (12), a second heat exchanger (13), a controller (14), a proportional three-way valve (15) and a heater (16);
the engine cycle is connected to an engine cycle water inlet pipe from a water outlet of an engine (10) through a valve, the engine cycle water inlet pipe is divided into two parts, one part is connected to an engine cycle water inlet of a first heat exchanger (5) through a third electromagnetic valve (9), the other part is connected to an engine cycle water inlet of a second heat exchanger (13) through a fourth electromagnetic valve (11), and the engine cycle water outlets of the first heat exchanger (5) and the second heat exchanger (13) are connected to a water inlet of the engine (10) through valves;
cooling water circulation, wherein a water pump (1) is connected from a cooling water inlet, the water pump (1) is connected to a cooling water circulation water inlet pipe through a valve, the cooling water circulation water inlet pipe is divided into three lines, one line is connected to the cooling water circulation water inlet of a first heat exchanger (5), the second line is connected to the cooling water circulation water inlet of a second heat exchanger (13), cooling water circulation water outlets of the first heat exchanger (5) and the second heat exchanger (13) are connected with a cooling water circulation water outlet pipe, and the third line is in short circuit with the cooling water circulation water inlet pipe and the cooling water circulation water outlet pipe through a first electromagnetic valve (2); the cooling water circulation water outlet pipe is connected to a valve, and a proportional three-way valve (15) is connected between the valve and a cooling water outlet; the proportional three-way valve (15) is connected to the heater (16) through a branch and is connected between the water pump (1) and the valve through the heater (16);
a cooling water circulating water outlet of the first heat exchanger (5) is connected with an engine circulating water outlet through a second electromagnetic valve (6) to form a branch; a cooling water circulating water outlet of the second heat exchanger (13) is connected with an engine circulating water outlet through a fifth electromagnetic valve (12) to form a branch;
the controller (14) is respectively electrically connected with the first electromagnetic valve (2), the second electromagnetic valve (6), the third electromagnetic valve (9), the fourth electromagnetic valve (11), the fifth electromagnetic valve (12), the proportional three-way valve (15) and the heater (16), and the controller (14) is used for controlling the opening and closing of the first electromagnetic valve (2), the second electromagnetic valve (6), the third electromagnetic valve (9), the fourth electromagnetic valve (11), the fifth electromagnetic valve (12), the proportional three-way valve (15) and the heater (16).
2. The multi-specification engine coolant temperature control device according to claim 1, wherein the engine circulation water inlets and the engine circulation water outlets of the first heat exchanger (5) and the second heat exchanger (13) are connected to the third ball valve (7) and the fourth ball valve (8), respectively, through branch lines; cooling water circulation water inlets and cooling water circulation water outlets of the first heat exchanger (5) and the second heat exchanger (13) are respectively connected to the first ball valve (3) and the second ball valve (4) through branch pipelines; the first ball valve (3), the second ball valve (4), the third ball valve (7) and the fourth ball valve (8) are used as interfaces for connecting another group of heat exchangers.
3. A multi-specification engine coolant temperature control apparatus according to claim 1, wherein the first heat exchanger (5) and the second heat exchanger (13) are one-large-one-small-specification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223022.2U CN209875281U (en) | 2019-02-22 | 2019-02-22 | Multi-specification engine coolant temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920223022.2U CN209875281U (en) | 2019-02-22 | 2019-02-22 | Multi-specification engine coolant temperature control device |
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| Publication Number | Publication Date |
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| CN209875281U true CN209875281U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920223022.2U Active CN209875281U (en) | 2019-02-22 | 2019-02-22 | Multi-specification engine coolant temperature control device |
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| CN (1) | CN209875281U (en) |
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- 2019-02-22 CN CN201920223022.2U patent/CN209875281U/en active Active
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