CN208847426U - A kind of fluid-cooled electrical machine casing air tightness detection system - Google Patents
A kind of fluid-cooled electrical machine casing air tightness detection system Download PDFInfo
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- CN208847426U CN208847426U CN201821228973.0U CN201821228973U CN208847426U CN 208847426 U CN208847426 U CN 208847426U CN 201821228973 U CN201821228973 U CN 201821228973U CN 208847426 U CN208847426 U CN 208847426U
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Abstract
The utility model discloses a kind of fluid-cooled electrical machine casing air tightness detection systems, including water tank, water pump, pressurized tank, pressure gauge, triple valve, crossover sub, air pump and console；The water pipe of the water pump connection is extend into water tank, and flabellum is equipped in water pipe two sides, the water pump is connect with pressurized tank, the pressurized tank is connect with triple valve, and be connected to water tank, the triple valve is connect with air pump, and 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 between triple valve and crossover sub between triple valve and pressurized tank；The utility model can detect multiple motor cases simultaneously, guarantee that the pressure of water pump is stablized, be switched fast water route and gas circuit, guarantee that the drying inside motor case is clean and tidy, have the advantages that promote detection efficiency and precision, reduce cost and improve production efficiency.
Description
Technical field
The utility model relates to New energy automobile motor fields, and in particular to a kind of fluid-cooled electrical machine casing air-leakage test system
System.
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 utility model proposes
A kind of fluid-cooled electrical machine casing air tightness detection system, can effectively improve detection efficiency and precision, have good applicability.
Utility model content
In view of this, to solve above-mentioned the problems of the prior art, the utility model provides a kind of fluid-cooled electrical machine casing
Air tightness detection system can detect multiple motor cases simultaneously, guarantee that the pressure of water pump is stablized, be switched fast water route and gas
Road guarantees that the drying inside motor case is clean and tidy, has and promotes detection efficiency and precision, reduces cost and improve production efficiency
Advantage.
To achieve the above object, the technical solution of the utility model 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 described in the utility model, 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 of detection
Cool electric 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
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 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 utility model has the following advantages that and technical effect: a kind of liquid cooling of the utility model
Motor case air tightness detection system and its application method can detect multiple motor cases simultaneously, guarantee that the pressure of water pump is steady
It is fixed, it is switched fast water route and gas circuit, guarantees that the drying inside motor case is clean and tidy, has and promote detection efficiency and precision, reduction
The advantages of cost and raising 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 utility model.
Specific embodiment
The specific implementation of the utility model is described further below in conjunction with attached drawing and specific embodiment.It needs to refer to
Out, the described embodiments are only a part of the embodiments of the utility model, instead of all the embodiments, is based on this reality
It is obtained by those of ordinary skill in the art without making creative efforts every other with the embodiment in novel
Embodiment is fallen within the protection scope of the utility model.
As shown in Figure 1, being a kind of fluid-cooled electrical machine casing air tightness detection system of the utility model, including water tank 1, water pump
2, pressurized 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 are extend into
In water tank 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 be connected to water tank 1, the triple valve 4 is connect with air pump 9, and is connect with one end of crossover sub 6, the crossover sub 6
The other end is connected to water tank 1, and the pressure gauge 5 is separately positioned between triple valve 4 and crossover sub 6 and triple valve 4 and pressure
Between tank 3, the console 11 is used to control the working condition of water pump 2, the air pump 9 be used to control the steering of triple valve 4 with
Closure, 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 detection
Fluid-cooled electrical machine casing 8 is that defect ware then stops immediately and skip step 2, directly execution step 3；If the fluid-cooled electrical machine casing of detection
8 then continue to execute step 2 for qualified product, 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 carry out carrying out the flushing cooling of 3 min, at this time triple valve first with cooling again to chassis cavity
4 are in water route connected state, and check valve 10-1 and check valve 10-2 are disconnected, and the check valve 10-3 for connecting water tank and reflux line connects
Logical, then the water in water tank 1 passes through return pipe through water pump 2,6 flow direction motor casing 7 of pressurized tank 3, triple valve 4 and crossover sub
Road reflow tank 1.Crossover sub 6 in the present embodiment is 3 in the interface quantity of casing connecting side.Fan 8 is to reflux line
In water 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 and its application method of the utility model, it can
Multiple motor cases are detected simultaneously, guarantees that the pressure of water pump is stablized, is switched fast water route and gas circuit, guarantees inside motor case
It is dry clean and tidy, have the advantages that promote detection efficiency and precision, reduce cost and improve production efficiency.
Claims (8)
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.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821228973.0U CN208847426U (en) | 2018-08-01 | 2018-08-01 | A kind of fluid-cooled electrical machine casing air tightness detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821228973.0U CN208847426U (en) | 2018-08-01 | 2018-08-01 | A kind of fluid-cooled electrical machine casing air tightness detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060268A (en) * | 2018-08-01 | 2018-12-21 | 华南理工大学 | A kind of fluid-cooled electrical machine casing air tightness detection system and its application method |
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2018
- 2018-08-01 CN CN201821228973.0U patent/CN208847426U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060268A (en) * | 2018-08-01 | 2018-12-21 | 华南理工大学 | A kind of fluid-cooled electrical machine casing air tightness detection system and its application method |
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