CN109060268A - A kind of fluid-cooled electrical machine casing air tightness detection system and its application method - Google Patents
A kind of fluid-cooled electrical machine casing air tightness detection system and its application method Download PDFInfo
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- CN109060268A CN109060268A CN201810865755.6A CN201810865755A CN109060268A CN 109060268 A CN109060268 A CN 109060268A CN 201810865755 A CN201810865755 A CN 201810865755A CN 109060268 A CN109060268 A CN 109060268A
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- fluid
- electrical machine
- machine casing
- cooled electrical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a kind of fluid-cooled electrical machine casing air tightness detection system and its application methods, including water tank, water pump, pressurized tank, pressure gauge, triple valve, crossover sub, air pump and console；A kind of application method of fluid-cooled electrical machine casing air tightness detection system of the invention, including being rinsed to fluid-cooled electrical machine chassis cavity, fluid-cooled electrical machine casing air-tightness, exclusion ponding are detected in the detection system, a kind of fluid-cooled electrical machine casing air tightness detection system of the invention and its application method can detect multiple motor cases simultaneously, guarantee that the pressure of water pump is stablized, it is switched fast water route and gas circuit, guarantee that the drying inside motor case is clean and tidy, has the advantages that promote detection efficiency and precision, reduce cost and improve production efficiency.
Description
Technical field
The present invention relates to New energy automobile motor fields, and in particular to a kind of fluid-cooled electrical machine casing air tightness detection system and
Its application method.
Background technique
Fluid-cooled electrical machine has many advantages, such as power density big, good heat dissipation effect, low in cost, obtains in new-energy automobile field
It is widely applied.The casing of fluid-cooled electrical machine generallys use the processing technologys such as casting, injection molding, welding and is manufactured, manufacture
Need to carry out casing internal cavity cleaning and airtight test after the completion.For this production requirement, the present invention proposes one kind
Fluid-cooled electrical machine casing air tightness detection system, can effectively improve detection efficiency and precision, have good applicability.
Summary of the invention
In view of this, the present invention provides a kind of fluid-cooled electrical machine casing is airtight to solve above-mentioned the problems of the prior art
Property detection system and its application method, multiple motor cases can be detected simultaneously, guarantee that the pressure of water pump is stablized, and water is switched fast
Road and gas circuit guarantee that the drying inside motor case is clean and tidy, have and promote detection efficiency and precision, reduce cost and improve production
The advantages of efficiency.
To achieve the above object, technical scheme is as follows.
A kind of fluid-cooled electrical machine casing air tightness detection system, including water tank, water pump, pressurized tank, pressure gauge, triple valve, turn
The water pipe of changing-over head, air pump and console, the water pump connection is extend into water tank, and is equipped with flabellum in water pipe two sides, described
Water pump is connect with pressurized tank, and the pressurized tank is connect with triple valve, and is connected to water tank, and the triple valve is connect with air pump, and
It is connect with one end of crossover sub, the other end of the crossover sub is connected to water tank, and the pressure gauge is separately positioned on threeway
Between valve and crossover sub between triple valve and pressurized tank, the console is used to control the working condition of water pump, the gas
The steering and closure for controlling triple valve are pumped, the pressure gauge is for monitoring system hydraulic pressure.
Further, the water tank is stainless steel material production, and specification size is 1200 × 600 × 600mm, the water tank
Upper side wall is provided with exhaust outlet, for reducing pressure in water tank；The water pump is centrifugal water pump, for providing detection air-tightness
The hydraulic pressure needed, the hydraulic pressure pressure are 0.7~1.1MPa, and the pressurized tank internal pressure is 0.5~0.8MPa, in water
Pump is supplemented when providing hydraulic pressure insufficient pressure.
Further, between the water pump and water tank, between water pump and pressurized tank, between pressurized tank and triple valve, threeway
It is connected using water pipe between valve and crossover sub, between crossover sub and water tank, between triple valve and water tank, the triple valve
It is connect between air pump using tracheae, the diameter of the water pipe and tracheae is 32mm.
It further, further include check valve, the check valve is separately positioned on the water pipe between triple valve and water tank, turns
On tracheae on water pipe between changing-over head and water tank between triple valve and air pump.
It further, further include fan, the fan is mounted near the water pipe between crossover sub and water tank, for cold
But the detection water in water pipe.
Further, fluid-cooled electrical machine casing to be measured is mounted on the interface at crossover sub both ends, on the crossover sub
Interface quantity is 2~5, for detecting the fluid-cooled electrical machine casing of corresponding number simultaneously.
A kind of application method of fluid-cooled electrical machine casing air tightness detection system, comprising the following steps:
Step 1 is rinsed fluid-cooled electrical machine chassis cavity；
Step 2 connects fluid-cooled electrical machine casing into detection system, sets the working time, is detected；If the liquid cooling electricity of detection
Machine casing is that defect ware then stops immediately and skip step 2, directly execution step 3；If the fluid-cooled electrical machine casing of detection is qualification
Product then continue to execute step 2, and step 3 is carried out after being finished.
Ponding in fluid-cooled electrical machine casing is expelled to water tank by pressurized tank and air pump offer air-flow by step 3.
Further, the washing time in the step 1 is 1~5min；Working time in the step 2 is 8~
12min；Ponding efflux time is 1~5min in the step 3.
Compared with the prior art, the invention has the advantages that and technical effect: a kind of fluid-cooled electrical machine casing of the invention
Air tightness detection system and its application method can detect multiple motor cases simultaneously, guarantee that the pressure of water pump is stablized, quickly cut
Water route and gas circuit are changed, guarantees that the drying inside motor case is clean and tidy, is had and is promoted detection efficiency and precision, reduces cost and raising
The advantages of production efficiency.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of fluid-cooled electrical machine casing air tightness detection system of the invention.
Specific embodiment
Specific implementation of the invention is described further below in conjunction with attached drawing and specific embodiment.It may be noted that
It is that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
As shown in Figure 1, being a kind of fluid-cooled electrical machine casing air tightness detection system of the invention, including water tank 1, water pump 2, pressure
Power tank 3, pressure gauge 5, triple valve 4, crossover sub 6, air pump 9 and console 11, the water pipe that the water pump 2 connects extend into water tank
In 1, and it being equipped with flabellum in water pipe two sides, the water pump 2 is connect with pressurized tank 3, and the pressurized tank 3 is connect with triple valve 4, and with
Water tank 1 be connected to, the triple valve 4 is connect with air pump 9, and is connect with one end of crossover sub 6, the crossover sub 6 it is another
End is connected to water tank 1, the pressure gauge 5 be separately positioned between triple valve 4 and crossover sub 6 and triple valve 4 and pressurized tank 3 it
Between, the console 11 is used to control the working condition of water pump 2, and the air pump 9 is used to control the steering and closure of triple valve 4,
The pressure gauge 5 is for monitoring system hydraulic pressure.
Preferably, the water tank 1 is stainless steel material production, and specification size is 1200 × 600 × 600mm, the water tank 1
Upper side wall is provided with exhaust outlet 101, for reducing pressure in water tank；The water pump 2 is centrifugal water pump, for providing detection gas
The hydraulic pressure that close property needs, the hydraulic pressure pressure are 0.7~1.1MPa, and 3 internal pressure of pressurized tank is 0.5~0.8MPa, are used
It is supplemented in when water pump 2 provides hydraulic pressure insufficient pressure.
Preferably, between the water pump 2 and water tank 1, between water pump 2 and pressurized tank 3, between pressurized tank 3 and triple valve 4,
It is connected using water pipe between triple valve 4 and crossover sub 6, between crossover sub 6 and water tank 1, between triple valve 4 and water tank 1,
It is connected between the triple valve 4 and air pump 9 using tracheae, the diameter of the water pipe and tracheae is 32mm.
It preferably, further include check valve 10, the check valve 10 is separately positioned on the water pipe between triple valve 4 and water tank 1
On tracheae on water pipe between upper, crossover sub 6 and water tank 1 between triple valve 4 and air pump 9.
It preferably, further include fan 8, the fan 8 is mounted near the water pipe between crossover sub 6 and water tank 1, is used for
Cooling detection water.
Preferably, fluid-cooled electrical machine casing 7 to be measured is mounted on the interface at 6 both ends of crossover sub, on the crossover sub 6
Interface quantity is 2~5, for detecting the fluid-cooled electrical machine casing 7 of corresponding number simultaneously.
A kind of application method of fluid-cooled electrical machine casing air tightness detection system, comprising the following steps:
Step 1 is rinsed 8 inner cavity of fluid-cooled electrical machine casing；
Step 2 connects fluid-cooled electrical machine casing 8 into detection system, sets the working time, is detected；If the liquid cooling of detection
Motor case 8 is that defect ware then stops immediately and skip step 2, directly execution step 3；If the fluid-cooled electrical machine casing 8 of detection is
Qualified product then continues to execute step 2, and step 3 is carried out after being finished；
Ponding in fluid-cooled electrical machine casing is expelled to water tank by pressurized tank 3 and the offer air-flow of air pump 9 by step 3.
Preferably, the washing time in the step 1 is 1~5min；Working time in the step 2 is 8~
12min；Ponding efflux time is 1~5min in the step 3.
When console 11 in running order 1, the fluid-cooled electrical machine casing air tightness detection system is in routine work
State.It is that centrifugal water pump 2 operates so that internal system pressure reaches the required pressure of detection first, the present embodiment uses 0.9
MPa can be monitored system pressure by pressure gauge 5.
Carry out detecting step:
Step 1, in order to chassis cavity carry out again and cooling, carry out first 3 min flushing cooling, at this time at triple valve 4
In water route connected state, check valve 10-1 and check valve 10-2 are disconnected, and connection water tank is connected to the check valve 10-3 of reflux line,
Then water in water tank 1 passes through reflux line stream through water pump 2,6 flow direction motor casing 7 of pressurized tank 3, triple valve 4 and crossover sub
Recovery tank 1.Crossover sub 6 in the present embodiment is 3 in the interface quantity of casing connecting side.Fan 8 is in reflux line
Water is cooled down, to avoid the water temperature over-high in water tank.
Step 2, at this time triple valve 4 are in water route connected state, and check valve 10-1, check valve 10-2 and check valve 10-3 are disconnected
It opens, fluid-cooled electrical machine casing internal hydraulic pressure reaches setting pressure (0.9 Mpa) and keeps 10 min, airtight sufficiently to detect casing
Property.If detecting all qualified products of casing, 3 are thened follow the steps, if defect ware occurs in the casing of detection, console 11 is switched
2 are in working condition, detection system will skip step 2 at this time, directly execution step 3, to reject defect ware.
Step 3, at this time triple valve 4 are in gas circuit connected state, and check valve 10-1, check valve 10-2 and check valve 10-3 connect
It is logical, air-flow is provided by pressurized tank 3 and air pump 9, and the ponding in fluid-cooled electrical machine casing 7 and water pipe is expelled to water tank 1, the present embodiment
In the process execute 3 min it is clean and tidy with the drying for guaranteeing fluid-cooled electrical machine chassis cavity.
In conclusion a kind of fluid-cooled electrical machine casing air tightness detection system of the invention and its application method, it can be simultaneously
Multiple motor cases are detected, guarantees that the pressure of water pump is stablized, is switched fast water route and gas circuit, guarantees the drying inside motor case
Neatly, have the advantages that promote detection efficiency and precision, reduce cost and improve production efficiency.
Claims (10)
1. a kind of fluid-cooled electrical machine casing air tightness detection system, it is characterised in that: including water tank, water pump, pressurized tank, pressure gauge,
The water pipe of triple valve, crossover sub, air pump and console, the water pump connection is extend into water tank, and is equipped in water pipe two sides
Flabellum, the water pump are connect with pressurized tank, and the pressurized tank is connect with triple valve, and is connected to water tank, the triple valve and gas
Pump connection, and connect with one end of crossover sub, the other end of the crossover sub is connected to water tank, and the pressure gauge is set respectively
It sets between triple valve and crossover sub between triple valve and pressurized tank, the console is used to control the work shape of water pump
State, the air pump are used to control the steering and closure of triple valve, and the pressure gauge is for monitoring system hydraulic pressure.
2. a kind of fluid-cooled electrical machine casing air tightness detection system according to claim 1, it is characterised in that: the water tank is
Stainless steel material production, specification size are 1200 × 600 × 600mm.
3. a kind of fluid-cooled electrical machine casing air tightness detection system according to claim 1, it is characterised in that: on the water tank
Side wall is provided with exhaust outlet, for reducing pressure in water tank；The water pump is centrifugal water pump, is needed for providing detection air-tightness
The hydraulic pressure wanted, the hydraulic pressure pressure are 0.7~1.1MPa, and the pressurized tank internal pressure is 0.5~0.8MPa, in water pump
It is supplemented when hydraulic pressure insufficient pressure is provided.
4. a kind of fluid-cooled electrical machine casing air tightness detection system according to claim 1, it is characterised in that: the water pump with
Between water tank, between water pump and pressurized tank, between pressurized tank and triple valve, between triple valve and crossover sub, crossover sub with
It is connected using water pipe between water tank, between triple valve and water tank, is connected between the triple valve and air pump using tracheae.
5. a kind of fluid-cooled electrical machine casing air tightness detection system according to claim 4, it is characterised in that: the water pipe with
The diameter of tracheae is 32mm.
6. a kind of fluid-cooled electrical machine casing air tightness detection system according to claim 1, it is characterised in that: further include unidirectional
Valve, the check valve is separately positioned on the water pipe between triple valve and water tank, on the water pipe between crossover sub and water tank and
On tracheae between triple valve and air pump.
7. a kind of fluid-cooled electrical machine casing air tightness detection system according to claim 1, it is characterised in that: further include wind
Fan, the fan is mounted near the water pipe between crossover sub and water tank, for the detection water in cooling water pipe.
8. a kind of fluid-cooled electrical machine casing air tightness detection system according to claim 1, it is characterised in that: liquid cooling electricity to be measured
Machine casing is mounted on the interface at crossover sub both ends, and the interface quantity on the crossover sub is 2~5, for examining simultaneously
Survey the fluid-cooled electrical machine casing of corresponding number.
9. a kind of application method of fluid-cooled electrical machine casing air tightness detection system, which comprises the following steps:
Step 1 is rinsed fluid-cooled electrical machine chassis cavity；
Step 2 connects fluid-cooled electrical machine casing into detection system, sets the working time, is detected；If the liquid cooling electricity of detection
Machine casing is that defect ware then stops immediately and skip step 2, directly execution step 3；If the fluid-cooled electrical machine casing of detection is qualification
Product then continue to execute step 2, and step 3 is carried out after being finished;
Ponding in fluid-cooled electrical machine casing is expelled to water tank by pressurized tank and air pump offer air-flow by step 3.
10. a kind of application method of fluid-cooled electrical machine casing air tightness detection system according to claim 9, feature exist
In: the washing time in the step 1 is 1~5min；Working time in the step 2 is 8~12min；In the step 3
Ponding efflux time is 1~5min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810865755.6A CN109060268A (en) | 2018-08-01 | 2018-08-01 | A kind of fluid-cooled electrical machine casing air tightness detection system and its application method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810865755.6A CN109060268A (en) | 2018-08-01 | 2018-08-01 | A kind of fluid-cooled electrical machine casing air tightness detection system and its application method |
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| CN201810865755.6A Pending CN109060268A (en) | 2018-08-01 | 2018-08-01 | A kind of fluid-cooled electrical machine casing air tightness detection system and its application method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110044146A (en) * | 2019-04-23 | 2019-07-23 | 杭州铭铄机电科技有限公司 | Motor housing drying equipment for water-cooled machine production |
| CN110501119A (en) * | 2019-07-11 | 2019-11-26 | 安徽春辉仪表线缆集团有限公司 | A kind of finned evaporator is quickly stopped leakage in the roof drying unit |
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| CN110501119A (en) * | 2019-07-11 | 2019-11-26 | 安徽春辉仪表线缆集团有限公司 | A kind of finned evaporator is quickly stopped leakage in the roof drying unit |
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