CN216477555U - Engine coolant constant temperature control system - Google Patents
Engine coolant constant temperature control system Download PDFInfo
- Publication number
- CN216477555U CN216477555U CN202123216824.7U CN202123216824U CN216477555U CN 216477555 U CN216477555 U CN 216477555U CN 202123216824 U CN202123216824 U CN 202123216824U CN 216477555 U CN216477555 U CN 216477555U
- Authority
- CN
- China
- Prior art keywords
- pipe
- liquid
- engine
- control system
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Testing Of Engines (AREA)
Abstract
The utility model relates to an engine coolant thermostatic control system, including engine, recovery water tank, expansion tank and heat exchanger, set up the coolant liquid pipeline in the engine, the coolant liquid pipeline passes through feed liquor pipe and drain pipe and is connected with the coolant liquid heat transfer layer in the heat exchanger, the coolant water heat transfer layer in the heat exchanger is connected inlet tube and outlet pipe, feed liquor union coupling liquid feeding branch pipe, liquid feeding branch pipe connects the recovery water tank through first liquid feeding pipe and first liquid returning pipe, expansion tank passes through second liquid feeding pipe and is connected with the coolant liquid pipeline of engine to be connected with the drain pipe through second liquid returning pipe, connect the discharge pipe on the expansion tank, connect the bleeder valve on the discharge pipe, engine coolant liquid thermostatic control system can carry out thermostatic control to engine coolant liquid, ensures the standardization of engine test operating mode, thereby ensuring the product quality.
Description
Technical Field
The utility model relates to a indirect heating equipment especially relates to an engine coolant liquid constant temperature control system.
Background
After engine production was accomplished, need carry out test operation, the engine can produce a large amount of heats at the during operation, need carry out cooling operation to the engine through the coolant liquid, and the coolant liquid need carry out the heat release after the heat transfer through heat exchanger and other media, and traditional coolant liquid accuse temperature precision is low, causes engine test operating mode unstability to also cause engine product quality to have the deviation.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide an engine coolant thermostatic control system to solve one or more problems of the prior art.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides an engine coolant liquid constant temperature control system, includes engine, recovery water tank, expansion tank and heat exchanger, set up the coolant liquid pipeline in the engine, the coolant liquid pipeline passes through the coolant liquid heat transfer layer in feed liquor pipe and drain pipe and the heat exchanger and is connected, inlet tube and outlet pipe are connected to the coolant water heat transfer layer in the heat exchanger, feed liquor union coupling send liquid branch pipe, send liquid branch pipe to connect the recovery water tank through first liquid feed pipe and first liquid return pipe, expansion tank passes through the coolant liquid pipe connection of second liquid feed pipe with the engine to be connected with the drain pipe through second liquid return pipe, the last discharge pipe that connects of expansion tank, the last bleeder valve that connects of discharge pipe.
As a further improvement of the above technical solution:
and a cooling water connecting pipe is connected between the water inlet pipe and the water outlet pipe, and a three-way proportional valve is connected between the water outlet pipe and the cooling water connecting pipe.
The first liquid feeding pipe is connected with a liquid feeding pump and a first pneumatic ball valve, and the first liquid returning pipe is also connected with a second pneumatic ball valve.
And the three-way proportional valve, the first pneumatic ball valve and the second pneumatic ball valve are connected with compressed air equipment.
The compressed air device comprises a pneumatic triplet and a compressed air distributor.
And the liquid inlet pipe and the liquid outlet pipe are connected with a temperature sensor, a cooling liquid pressure meter and a ball valve.
The cooling water cooling system is characterized in that the water inlet pipe and the water outlet pipe are connected with a cooling water pressure gauge and a ball valve, the cooling water connecting pipe is also connected with the ball valve, the water inlet pipe is connected with a water discharging pipe, and the water discharging pipe is also connected with the ball valve.
And the cooling liquid heat exchange layer of the heat exchanger is connected with a cooling liquid automatic exhaust valve, and the water outlet pipe is connected with a cooling water automatic exhaust valve.
The recycling water tank is provided with a liquid filling opening, a liquid discharge pipe and a first liquid level switch.
The expansion tank is internally provided with a second liquid level switch, one side of the expansion tank is connected with a glass liquid level pipe, the expansion tank is connected with a safety valve, the expansion tank is also connected with a cooling liquid pressure gauge, and the second liquid feeding pipe is also connected with a ball valve.
Compared with the prior art, the utility model discloses a beneficial technological effect as follows:
1) the heat exchanger is connected with a condensate water pipe of the engine through the heat exchanger, the recovery water tank and the expansion water tank, the heat exchanger is also connected with a water inlet pipe and a water outlet pipe, the engine is cooled through condensate water, and the condensate water is cooled through heat exchange of cooling water, so that normal test of the engine is ensured;
2) a cooling water connecting pipe is connected between the water inlet pipe and the water outlet pipe, so that cooling water in the water inlet pipe and the water in the water outlet pipe can be communicated, the temperature of cooling water can be accurately controlled by adjusting the water temperature of the cooling water, the standardization of the test working condition of the engine is guaranteed, and the product quality is guaranteed;
3) the recycling of the condensate is realized through the recovery water tank and the expansion water tank, the waste is avoided, the cost is saved, and the continuous test operation of the engine is convenient;
4) but automatic control pressure and temperature, degree of automation is high, detects convenient operation.
Drawings
Fig. 1 shows a connection schematic diagram of an engine coolant thermostatic control system according to a first embodiment.
Fig. 2 shows a connection schematic diagram of an engine coolant thermostatic control system of the second embodiment.
In the drawings, the reference numbers:
1. an engine; 2. a recovery water tank; 21. a liquid adding port; 22. a liquid discharge pipe; 23. a first liquid level switch; 3. an expansion tank; 31. a second liquid sending pipe; 32. a second liquid return pipe; 33. a second liquid level switch; 34. a glass liquid level tube; 35. a safety valve; 36. a discharge pipe; 361. a discharge valve; 4. a heat exchanger; 41. a liquid inlet pipe; 42. a liquid outlet pipe; 43. a water inlet pipe; 431. a drain pipe; 44. a water outlet pipe; 441. a three-way proportional valve; 442. automatic exhaust valve of cooling water; 45. a cooling water connection pipe; 46. automatic exhaust valve of cooling liquid; 5. a liquid feeding branch pipe; 51. a first liquid sending pipe; 511. a liquid feeding pump; 512. a first pneumatic ball valve; 52. a first liquid return pipe; 521. a second pneumatic ball valve; 6. a compressed air device; 61. a pneumatic triplet; 62. a compressed air distributor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following device of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and clearly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential significance in technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention.
Example one
As shown in fig. 1, the engine coolant thermostatic control system of this embodiment includes an engine 1, a recovery water tank 2, an expansion water tank 3 and a heat exchanger 4, a coolant pipeline is disposed in the engine 1, the coolant pipeline is connected to a coolant heat exchange layer in the heat exchanger 4 through a liquid inlet pipe 41 and a liquid outlet pipe 42, the coolant heat exchange layer in the heat exchanger 4 is connected to a water inlet pipe 43 and a water outlet pipe 44, the liquid inlet pipe 41 is connected to a liquid feeding branch pipe 5, the liquid feeding branch pipe 5 is connected to the recovery water tank 2 through a first liquid feeding pipe 51 and a first liquid returning pipe 52, the recovery water tank 2 is provided with a liquid feeding port 21, a liquid discharging pipe 22 and a first liquid level switch 23, the expansion water tank 3 is connected to the coolant pipeline of the engine 1 through a second liquid feeding pipe 31 and is connected to the liquid outlet pipe 42 through a second liquid returning pipe 32, a second liquid level switch 33 is disposed in the expansion water tank 3, and one side of the expansion water tank 3 is connected to a glass liquid level pipe 34, the expansion tank 3 is connected with a safety valve 35 and a discharge pipe 36, and the discharge pipe 36 is connected with a discharge valve 361.
The first liquid sending pipe 51 is connected with a liquid sending pump 511 and a first pneumatic ball valve 512, the first liquid returning pipe 52 is also connected with a second pneumatic ball valve 521, the first pneumatic ball valve 512 and the second pneumatic ball valve 521 are connected with a compressed air device 6, the compressed air device 6 comprises a pneumatic triple piece 61 and a compressed air distributor 62, the first pneumatic ball valve 512 and the second pneumatic ball valve 521 can be respectively arranged through the compressed air distributor 62, and therefore the first pneumatic ball valve 512 and the second pneumatic ball valve 521 are driven to work
The liquid inlet pipe 41 and the liquid outlet pipe 42 are connected with a temperature sensor, a cooling liquid pressure gauge and a ball valve, the liquid inlet temperature and the liquid outlet temperature of the cooling liquid can be respectively detected through the temperature sensor, and the liquid inlet pressure and the liquid outlet pressure of the cooling liquid can be detected through the cooling liquid pressure gauge.
The expansion water tank 3 is also connected with a cooling liquid pressure gauge for detecting the pressure of the cooling liquid in the expansion water tank 3, and the second liquid sending pipe 31 is also connected with a ball valve.
Connect cooling water pressure gauge and ball valve on inlet tube 43 and the outlet pipe 44, the cooling water pressure gauge of connecting on inlet tube 43 and the outlet pipe 44 is used for detecting the pressure of intaking and the play water pressure of cooling water, also connects the ball valve on the cooling water takeover 45, connects drain pipe 431 on the inlet tube 43, also connects the ball valve on the drain pipe 431.
The cooling liquid heat exchange layer of the heat exchanger 4 is connected with a cooling liquid automatic exhaust valve 46, a cooling water automatic exhaust valve 442 is connected to the water outlet pipe 44, the pressure of the cooling liquid can be adjusted through the cooling liquid automatic exhaust valve 46 and the cooling water automatic exhaust valve 442, and the pressure of the cooling water can be adjusted through the cooling water automatic exhaust valve 442.
When the engine coolant thermostatic control system of the embodiment is used, after a coolant pipeline of the engine 1 is connected with the liquid inlet pipe 41 and the liquid outlet pipe 42, the liquid feeding pump 511 can be started, and meanwhile, the first pneumatic ball valve 512 is controlled to be opened by the compressed air device 6, the coolant in the recovery water tank 2 is filled into the coolant pipeline of the engine 1 and the expansion water tank 3 until the second liquid level switch 33 of the expansion water tank 3 detects that the liquid level of the coolant reaches the upper limit position, and at this time, the liquid feeding pump 511 and the first pneumatic ball valve 512 are closed, so that the coolant feeding operation is completed;
after the cooling liquid is fed into the engine, the engine 1 starts to operate, the cooling liquid exchanges heat with the engine 1 and is used for cooling the engine 1, meanwhile, the cooling liquid enters the heat exchanger 4 to exchange heat with cooling water, heat is taken away through the cooling water, and detection operation of a cooling system of the engine 1 can be carried out;
after the detection of the engine 1 is completed, the engine 1 finishes running, the discharge valve 361 of the discharge pipe 36 connected to the expansion water tank 3 is opened, the second pneumatic ball valve 521 on the first liquid return pipe 52 is opened, the cooling liquid in the expansion water tank 3 and the cooling liquid pipeline of the engine 1 flows back to the recovery water tank 2 under the action of self weight, and finally the detected engine 1 is detached.
Example two
As shown in fig. 2, the engine coolant thermostatic control system of the present embodiment is different from the first embodiment in that a cooling water connection pipe 45 is connected between a water inlet pipe 43 and a water outlet pipe 44, a three-way proportional valve 441 is connected between the water outlet pipe 44 and the cooling water connection pipe 45, the three-way proportional valve 441 is also connected to a compressed air distributor 62 of the compressed air equipment 6, and the opening degree of the three-way proportional valve 441 can be adjusted by the compressed air distributor 62, so that the flow rate of the cooling water of the water inlet pipe 43 and the water outlet pipe 44 can be adjusted;
when the engine coolant constant temperature control system of this embodiment uses, carrying out engine 1 testing process, through the temperature sensor who connects on the drain pipe 42, can detect out the coolant temperature of engine 1 export, according to the coolant temperature of engine 1 export, accessible compressed air distributor 62 automatically regulated tee bend proportional valve 441's aperture, the temperature of accurate control coolant is come through the cooling water volume of heat exchanger 4 through control, and temperature control accuracy is high.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several edges and improvements can be made, which shall all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An engine coolant constant temperature control system characterized in that: including engine, recovery water tank, expansion tank and heat exchanger, set up the coolant liquid pipeline in the engine, the coolant liquid pipeline passes through the feed liquor pipe and the drain pipe is connected with the coolant liquid heat transfer layer in the heat exchanger, the coolant liquid heat transfer layer in the heat exchanger is connected inlet tube and outlet pipe, the feed liquor union coupling send the liquid branch pipe, send the liquid branch pipe to connect recovery water tank through first liquid feed pipe and first liquid return pipe, expansion tank passes through the second liquid feed pipe and is connected with the coolant liquid pipeline of engine to be connected with the drain pipe through the second liquid return pipe, connect the blow-off pipe on the expansion tank, connect the bleeder valve on the blow-off pipe.
2. The engine coolant thermostatic control system of claim 1, wherein: and a cooling water connecting pipe is connected between the water inlet pipe and the water outlet pipe, and a three-way proportional valve is connected between the water outlet pipe and the cooling water connecting pipe.
3. An engine coolant thermostatic control system as set forth in claim 2 wherein: the first liquid feeding pipe is connected with a liquid feeding pump and a first pneumatic ball valve, and the first liquid returning pipe is also connected with a second pneumatic ball valve.
4. An engine coolant thermostatic control system as set forth in claim 3, wherein: and the three-way proportional valve, the first pneumatic ball valve and the second pneumatic ball valve are connected with compressed air equipment.
5. An engine coolant thermostatic control system as set forth in claim 4 wherein: the compressed air device comprises a pneumatic triplet and a compressed air distributor.
6. The engine coolant thermostatic control system of claim 1, wherein: and the liquid inlet pipe and the liquid outlet pipe are connected with a temperature sensor, a cooling liquid pressure meter and a ball valve.
7. An engine coolant thermostatic control system as set forth in claim 2 wherein: the cooling water cooling system is characterized in that the water inlet pipe and the water outlet pipe are connected with a cooling water pressure gauge and a ball valve, the cooling water connecting pipe is also connected with the ball valve, the water inlet pipe is connected with a water discharging pipe, and the water discharging pipe is also connected with the ball valve.
8. An engine coolant thermostatic control system as set forth in claim 7, wherein: and the cooling liquid heat exchange layer of the heat exchanger is connected with a cooling liquid automatic exhaust valve, and the water outlet pipe is connected with a cooling water automatic exhaust valve.
9. The engine coolant thermostatic control system of claim 1, wherein: the recycling water tank is provided with a liquid filling opening, a liquid discharge pipe and a first liquid level switch.
10. The engine coolant thermostatic control system of claim 1, wherein: the expansion tank is internally provided with a second liquid level switch, one side of the expansion tank is connected with a glass liquid level pipe, the expansion tank is connected with a safety valve, the expansion tank is also connected with a cooling liquid pressure gauge, and the second liquid feeding pipe is also connected with a ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123216824.7U CN216477555U (en) | 2021-12-20 | 2021-12-20 | Engine coolant constant temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123216824.7U CN216477555U (en) | 2021-12-20 | 2021-12-20 | Engine coolant constant temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216477555U true CN216477555U (en) | 2022-05-10 |
Family
ID=81426129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123216824.7U Active CN216477555U (en) | 2021-12-20 | 2021-12-20 | Engine coolant constant temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216477555U (en) |
-
2021
- 2021-12-20 CN CN202123216824.7U patent/CN216477555U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203745051U (en) | Two-position one-way reversing valve type pVTt-method gas flow device | |
| CN202041227U (en) | Performance detection system based on drainage method of air source heat pump water heater | |
| CN104234813A (en) | Coolant temperature control circulating system for performance test of mining explosion-proof diesel engine | |
| CN105526996B (en) | High-precision pVTt method gas flow standard devices | |
| CN109557963A (en) | A kind of industry simulation test control system that can be precisely controlled flow and temperature | |
| CN204312183U (en) | Anti-explosion diesel engine for mine performance test cooling liquid temperature control circulation system | |
| CN106153161B (en) | Instrument detection device | |
| CN216477555U (en) | Engine coolant constant temperature control system | |
| CN208734420U (en) | Engine decomposes frictional work and tests cooling fluid temperature control system | |
| CN203943058U (en) | One humidification system that grows tobacco on-line machining cylinder class humidifying equipment | |
| CN106016243A (en) | Energy-saving control device of small boiler of solar hot water deaerator | |
| CN206583619U (en) | A kind of heater test platform | |
| CN211476791U (en) | Real-time control system for operation efficiency of horizontal high-pressure heater | |
| CN211575948U (en) | Normal temperature type dye vat waste hot water waste heat recovery system | |
| CN201885751U (en) | Full-automatic load adjusting and weighing energy efficiency testing table for fuel water heater | |
| CN211476790U (en) | Horizontal high pressure feed water heater heat exchange efficiency on-line monitoring system | |
| CN210894621U (en) | New forms of energy motor's test system | |
| CN206601169U (en) | A kind of hot and cold water flow calibrating device | |
| CN208984179U (en) | A kind of high-temp liquid flow standard device | |
| CN209215967U (en) | A kind of industry simulation test control system that can be precisely controlled flow and temperature | |
| CN113790880A (en) | Water nozzle flow, sealing and sensitivity testing device | |
| CN201431882Y (en) | Spray polymerization kettle with regulating valve | |
| CN217732688U (en) | Negative pressure measuring device of transfer furnace front end air duct in HF production | |
| CN215161153U (en) | Water deoxidizing device for low-pressure boiler | |
| CN207833356U (en) | Vehicle table tune liquid circulating temperature control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |