CN104764572A - Cooling water channel sealing performance detecting method and system - Google Patents
Cooling water channel sealing performance detecting method and system Download PDFInfo
- Publication number
- CN104764572A CN104764572A CN201510208810.0A CN201510208810A CN104764572A CN 104764572 A CN104764572 A CN 104764572A CN 201510208810 A CN201510208810 A CN 201510208810A CN 104764572 A CN104764572 A CN 104764572A
- Authority
- CN
- China
- Prior art keywords
- cooling water
- water channel
- pressure value
- atmospheric pressure
- described cooling
- 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.)
- Pending
Links
Abstract
The invention discloses a cooling water channel sealing performance detecting method. The method comprises the steps that an opening of a cooling water channel is sealed; the air pressure in the cooling water channel is adjusted; the value of the air pressure in the cooling water channel is detected; if the value of the air pressure reaches the target air pressure value, adjustment on the air pressure in the cooling water channel is stopped; when the preset time is up, the value of the air pressure in the cooling water channel is detected, and the value of the air pressure is marked as the measuring air pressure value; whether the absolute value of the difference of the target air pressure value and the measuring air pressure value is smaller than the preset pressure difference or not is judged, if yes, the sealing performance of the cooling water channel is qualified, and if not, the sealing performance of the cooling water channel is disqualified. According to the detecting method, the process is simple, and operation is easy. The invention further discloses a cooling water channel sealing performance detecting system.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly relate to a kind of detection method and system of sealing of cooling water channel.
Background technology
Electric automobile, especially the motor of hybrid vehicle operationally, and the heat produced due to the loss of electric machine and the impact of high ambient temperatures environment, cause electric machine rotor temperature sharply to rise, its performance is impacted, therefore needs to take appropriate measures and motor lowered the temperature.Current measure mainly adopts the mode of liquid coolant to carry out pressure cooling to motor, and the temperature of motor is remained in rational scope.Conventional cooling device has cooling jacket, namely arranges the water channel of a liquid flow in motor stator periphery, walks heat by the fluxion strap of liquid coolant.Because the leakage of liquid coolant can cause serious consequence to the function of motor and safety, therefore, most important for the sealing detecting motor cooling water channel.
Summary of the invention
The object of this invention is to provide a kind of detection method of sealing of cooling water channel for detecting the sealing of motor cooling water channel, in addition, the present invention also provides a kind of detection system of sealing of cooling water channel.
For solving the problems of the technologies described above, the invention provides a kind of detection method of sealing of cooling water channel, being applied to the motor of electric automobile, comprising:
Seal the opening of described cooling water channel;
Adjust the air pressure in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches target air pressure value, then stop the air pressure adjustment in described cooling water channel;
When arriving Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as measurement atmospheric pressure value;
Judge whether the absolute value of the difference of described target air pressure value and described measurement atmospheric pressure value is less than default pressure reduction, if so, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
Preferably, the air pressure in the described cooling water channel of described adjustment specifically comprises:
Bleed in described cooling water channel;
Wherein, when to when bleeding in described cooling water channel, defining described target air pressure value is the first preset pressure value, and described Preset Time is the first Preset Time, and described default pressure reduction is first preset pressure reduction; If the absolute value of the difference of described first preset pressure value and described measurement atmospheric pressure value is less than described first preset pressure reduction, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
Preferably, the air pressure in the described cooling water channel of described adjustment specifically comprises:
Inflate in described cooling water channel;
Wherein, when to when inflating in described cooling water channel, defining described target air pressure value is the second preset pressure value, and described Preset Time is the second Preset Time, and described default pressure reduction is second preset pressure reduction; If the absolute value of the difference of described second preset pressure value and described measurement atmospheric pressure value is less than described second preset pressure reduction, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
A detection system for the sealing of cooling water channel, is applied to the motor of electric automobile, comprises:
Seal member, for sealing the opening of described cooling water channel;
Maintenance unit, for adjusting the air pressure in described cooling water channel;
Pressure test device, for detecting the atmospheric pressure value in described cooling water channel,
Switch, for when described atmospheric pressure value reaches target air pressure value, then stops described maintenance unit to the air pressure adjustment in described cooling water channel;
Wherein, when arriving Preset Time, described pressure test device detects the atmospheric pressure value in described cooling water channel, and this atmospheric pressure value is labeled as measurement atmospheric pressure value; Judge whether the absolute value of the difference of described target air pressure value and described measurement atmospheric pressure value is less than default pressure reduction, if so, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
Preferably, described maintenance unit is specially: air-extractor.
Preferably, described maintenance unit is specially: charger.
A detection method for the sealing of cooling water channel, is applied to the motor of electric automobile, comprises:
Seal the opening of described cooling water channel;
Bleed in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
When arriving the first Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
Judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction; If not, then described cooling water channel performing leak test is defective; Otherwise,
Inflate in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
When arriving the second Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
Judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise described cooling water channel sealing is qualified.
A detection system for the sealing of cooling water channel, is applied to the motor of electric automobile, comprises:
Seal member, for sealing the opening of described cooling water channel;
Air-extractor, for bleeding in described cooling water channel;
Charger, for inflating in described cooling water channel;
Pressure test device, for detecting the atmospheric pressure value in described cooling water channel;
Switch, for when described atmospheric pressure value reaches the first preset pressure value, then stops bleeding in described cooling water channel, or when described atmospheric pressure value reaches the second preset pressure value, then stops inflating in described cooling water channel;
Detailed process comprises:
Seal the opening of described cooling water channel;
Bleed in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
When arriving the first Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
Judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise,
Inflate in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
When arriving the second Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
Judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise described cooling water channel sealing is qualified.
A detection method for the sealing of cooling water channel, is applied to the motor of electric automobile, comprises:
Seal the opening of described cooling water channel;
Inflate in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
When arriving the second Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
Judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise,
Bleed in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
When arriving the first Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
Judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise described cooling water channel sealing is qualified.
The detection method of the sealing of cooling water channel provided by the present invention, air pressure adjustment is carried out in cooling water channel, adjustment is stopped when arriving target air pressure value, and the atmospheric pressure value of cooling water channel is detected when Preset Time arrives, judge that whether cooling water channel sealing is qualified by the size comparing twice atmospheric pressure value in front and back.This detection method process is simple, easily operates.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the process flow diagram of the detection method of the sealing of a kind of cooling water channel provided by the invention;
Fig. 2 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention;
Fig. 3 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention;
Fig. 4 is the structural drawing of the detection system of the sealing of a kind of cooling water channel provided by the invention;
Fig. 5 is the structural drawing of the detection system of the sealing of another kind of cooling water channel provided by the invention;
Fig. 6 is the structural drawing of the detection system of the sealing of another kind of cooling water channel provided by the invention;
Fig. 7 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention;
Fig. 8 is the structural drawing of the detection system of the sealing of another kind of cooling water channel provided by the invention;
Fig. 9 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to scope.
Core of the present invention is to provide a kind of detection method and system of sealing of cooling water channel.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment one
Fig. 1 is the process flow diagram of the detection method of the sealing of a kind of cooling water channel provided by the invention.The method comprises:
S10: the opening sealing described cooling water channel;
S11: adjust the air pressure in described cooling water channel;
S12: detect the atmospheric pressure value in described cooling water channel;
S13: if described atmospheric pressure value reaches target air pressure value, then stop the air pressure adjustment in described cooling water channel;
S14: when arriving Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as measurement atmospheric pressure value;
S15: judge whether the absolute value of the difference of described target air pressure value and described measurement atmospheric pressure value is less than default pressure reduction;
S16: if then described cooling water channel sealing is qualified;
S17: otherwise described cooling water channel sealing is defective.
In this application, cooling water channel is the cooling water channel at the motor place being installed on electric automobile, and object is arranged for electric motor temperature reduction.In concrete enforcement, in order to the sealing detecting cooling water channel needs to leave the blow vent that can be connected with the external world, other opening for cooling water channel then needs to seal completely.After good seal opening, the air pressure in adjustment cooling water channel, as can be increased air pressure or reducing air pressure, detects its air pressure inside value simultaneously.When atmospheric pressure value reaches target air pressure value, then stop air pressure adjustment; To start that time stopping air pressure adjusting to calculate, when arriving Preset Time, again detecting the atmospheric pressure value in cooling water channel, this atmospheric pressure value is designated as measurement atmospheric pressure value.By judging target air pressure value and measure atmospheric pressure value whether just to determine within default pressure reduction that whether the sealing of cooling water channel is qualified, specifically see step S15, wouldn't repeat here.
The detection method of the sealing of the cooling water channel that the present embodiment provides, by carrying out air pressure adjustment in cooling water channel, adjustment is stopped when arriving target air pressure value, and the atmospheric pressure value of cooling water channel is detected when Preset Time arrives, judge that whether cooling water channel sealing is qualified by the size comparing twice atmospheric pressure value in front and back.This detection method process is simple, easily operates.
It should be noted that, do not have the concrete numerical value of define objective atmospheric pressure value, Preset Time, measurement atmospheric pressure value and default pressure reduction in the present embodiment, above-mentioned parameter can set according to actual conditions.
As one preferred embodiment, the air pressure in the described cooling water channel of described adjustment specifically comprises:
Bleed in described cooling water channel;
Wherein, when to when bleeding in described cooling water channel, defining described target air pressure value is the first preset pressure value, and described Preset Time is the first Preset Time, and described default pressure reduction is first preset pressure reduction; If the absolute value of the difference of described first preset pressure value and described measurement atmospheric pressure value is less than described first preset pressure reduction, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
Fig. 2 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention.In order to allow those skilled in the art more understand scheme provided by the invention, provide complete step here, as follows:
S20: the opening sealing described cooling water channel;
S21: bleed in described cooling water channel;
S22: detect the atmospheric pressure value in described cooling water channel;
S23: if described atmospheric pressure value reaches the first preset pressure value, then stop the air pressure adjustment in described cooling water channel;
S24: when arriving the first Preset Time, detects the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as measurement atmospheric pressure value;
S25: judge whether the absolute value of the difference of described first preset pressure value and described measurement atmospheric pressure value is less than first and presets pressure reduction;
S26: if then described cooling water channel sealing is qualified;
S27: otherwise described cooling water channel sealing is defective.
This preferred implementation, by the air pressure of bleeding in cooling water channel to reduce in cooling water channel, namely adjust the air pressure in it, mode of operation is succinct.
It should be noted that, in this optimal way, when to when bleeding in described cooling water channel, target air pressure value is defined as the first preset pressure value, Preset Time is defined as the first Preset Time, default pressure reduction is defined as first and presets pressure reduction, this is that its essence implication does not change in order to distinguish inflating in cooling water channel hereinafter.
As another preferred embodiment, the air pressure in the described cooling water channel of described adjustment specifically comprises:
Inflate in described cooling water channel;
Wherein, when to when inflating in described cooling water channel, defining described target air pressure value is the second preset pressure value, and described Preset Time is the second Preset Time, and described default pressure reduction is second preset pressure reduction; If the absolute value of the difference of described second preset pressure value and described measurement atmospheric pressure value is less than described second preset pressure reduction, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
Fig. 3 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention.In order to allow those skilled in the art more understand scheme provided by the invention, provide complete step here, as follows:
S30: the opening sealing described cooling water channel;
S31: inflate in described cooling water channel;
S32: detect the atmospheric pressure value in described cooling water channel;
S33: if described atmospheric pressure value reaches the second preset pressure value, then stop the air pressure adjustment in described cooling water channel;
S34: when arriving the second Preset Time, detects the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as measurement atmospheric pressure value;
S35: judge whether the absolute value of the difference of described second preset pressure value and described measurement atmospheric pressure value is less than second and presets pressure reduction;
S36: if then described cooling water channel sealing is qualified;
S37: otherwise described cooling water channel sealing is defective.
This preferred implementation, by the air pressure inflating in cooling water channel to increase in cooling water channel, namely adjust the air pressure in it, mode of operation is succinct.
It should be noted that, in this optimal way, when to when inflating in described cooling water channel, target air pressure value is defined as the second preset pressure value, Preset Time is defined as the second Preset Time, default pressure reduction is defined as second and presets pressure reduction, this is that its essence implication does not change in order to distinguish bleeding in cooling water channel above.
Embodiment two
Fig. 4 is the structural drawing of the detection system of the sealing of a kind of cooling water channel provided by the invention.The detection system of the sealing of cooling water channel, is applied to the motor of electric automobile, comprises:
Seal member, for sealing the opening of described cooling water channel;
Maintenance unit, for adjusting the air pressure in described cooling water channel;
Pressure test device, for detecting the atmospheric pressure value in described cooling water channel,
Switch, for when described atmospheric pressure value reaches target air pressure value, then stops described maintenance unit to the air pressure adjustment in described cooling water channel;
Wherein, when arriving Preset Time, described pressure test device detects the atmospheric pressure value in described cooling water channel, and this atmospheric pressure value is labeled as measurement atmospheric pressure value; Judge whether the absolute value of the difference of described target air pressure value and described measurement atmospheric pressure value is less than default pressure reduction, if so, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
As shown in Figure 4, seal member 41 is arranged at each opening part (connector except with maintenance unit 42) of cooling water channel 40, makes cooling water channel 40 form an annular seal space.Maintenance unit 42 is connected with the connector of cooling water channel 40 by pipeline or other link, start maintenance unit 42 to adjust the air pressure in cooling water channel 40, simultaneously, pneumatic test set 43 is utilized to detect atmospheric pressure value in cooling water channel 40, when the atmospheric pressure value in cooling water channel 40 reaches target air pressure value, stop maintenance unit to the air pressure adjustment in cooling water channel by switch 44 (switch opens then can be communicated with cooling water channel 40 and maintenance unit 42, be closed by switch and then can cut off cooling water channel 40 and maintenance unit 42).When arriving Preset Time, utilizing pressure test device 43 to carry out air pressure detection, the atmospheric pressure value detected is labeled as measurement atmospheric pressure value.In concrete enforcement, can by judging whether target air pressure value is less than default pressure reduction with the absolute value of the difference measuring atmospheric pressure value, and if so, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.Concrete process refers to the description of embodiment one, wouldn't repeat here.
As one preferred embodiment, described maintenance unit is specially: air-extractor.
Fig. 5 is the structural drawing of the detection system of the sealing of another kind of cooling water channel provided by the invention.
In this optimal way, maintenance unit is specially air-extractor 50, and because the annexation of other device does not all change, therefore wouldn't repeat here, concrete step refers to the description of method part.
As one preferred embodiment, described maintenance unit is specially: charger.
Fig. 6 is the structural drawing of the detection system of the sealing of another kind of cooling water channel provided by the invention.
In this optimal way, maintenance unit is specially charger 60, and because the annexation of other device does not all change, therefore wouldn't repeat here, concrete step refers to the description of method part.
Embodiment three
For embodiment one and embodiment two, to when carrying out air pressure adjustment in cooling water channel, all have employed a kind of method, namely to inflating in cooling water channel or bleeding in cooling water channel.The present embodiment adopts above-mentioned two kinds of methods to check, can improve the precision of detection.
Fig. 7 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention.The detection method of the sealing of cooling water channel, is applied to the motor of electric automobile, comprises:
S70: the opening sealing described cooling water channel;
S71: bleed in described cooling water channel;
S72: detect the atmospheric pressure value in described cooling water channel;
S73: if described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
S74: when arriving the first Preset Time, detects the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
S75: judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction;
S76: if not, then described cooling water channel sealing is defective;
S77: otherwise, inflate in described cooling water channel;
S78: detect the atmospheric pressure value in described cooling water channel;
S79: if described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
S80: when arriving the second Preset Time, detects the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
S81: judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction;
S82: if not, then described cooling water channel sealing is defective;
S83: otherwise described cooling water channel sealing is qualified.
In concrete enforcement, in order to the sealing detecting cooling water channel needs to leave the blow vent that can be connected with the external world, other opening for cooling water channel then needs to seal completely.After good seal opening, increase air pressure or reduce air pressure, detecting its air pressure inside value simultaneously.Concrete, bleed in cooling water channel, when atmospheric pressure value reaches the first preset pressure value, then stop air pressure adjustment, to start that time stopping air pressure adjusting to calculate, when arrival the first Preset Time, again detect the atmospheric pressure value in cooling water channel, this atmospheric pressure value is designated as the first measurement atmospheric pressure value.By judging whether the first preset pressure value and the first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction, if be not less than, illustrate that this cooling water channel sealing is defective, also just without the need to follow-up detection; If be less than first to preset pressure reduction, then inflate in described cooling water channel.When atmospheric pressure value reaches the second preset pressure value, then stop air pressure adjustment, start that time adjusted to stop air pressure calculating, when arrival the second Preset Time, again detect the atmospheric pressure value in cooling water channel, this atmospheric pressure value is designated as the second measurement atmospheric pressure value.By judging whether the second preset pressure value and the second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction, if be not less than, illustrate that this cooling water channel sealing is defective, if be less than first to preset pressure reduction, then qualified to cooling water channel sealing.
The detection method of the sealing of the cooling water channel that the present embodiment provides, by carrying out air pressure adjustment in cooling water channel, adjustment is stopped when arriving target air pressure value, and the atmospheric pressure value of cooling water channel is detected when Preset Time arrives, judge that whether cooling water channel sealing is qualified by the size comparing twice atmospheric pressure value in front and back.This detection method process is simple, easily operates.
It should be noted that, do not have the concrete numerical value of define objective atmospheric pressure value, Preset Time, measurement atmospheric pressure value and default pressure reduction in the present embodiment, above-mentioned parameter can set according to actual conditions.
Embodiment four
Fig. 8 is the structural drawing of the detection system of the sealing of another kind of cooling water channel provided by the invention.The detection system of the sealing of cooling water channel, comprising:
Seal member 80, for sealing the opening of described cooling water channel;
Air-extractor 81, for bleeding in described cooling water channel;
Charger 82, for inflating in described cooling water channel;
Pressure test device 83, for detecting the atmospheric pressure value in described cooling water channel;
Switch 84, for when described atmospheric pressure value reaches the first preset pressure value, then stops bleeding in described cooling water channel, or when described atmospheric pressure value reaches the second preset pressure value, then stops inflation in described cooling water channel 40.
Be the embodiment of the system of embodiment three correspondence due to the present embodiment, therefore concrete process refers to the description of embodiment three, wouldn't repeat here.
Embodiment five
In embodiment three, the detection method of the sealing of cooling water channel is first bled to cold water road, then inflates it, in the present embodiment, first inflates cooling water channel, then bleed to it.Fig. 9 is the process flow diagram of the detection method of the sealing of another kind of cooling water channel provided by the invention.The detection method of the sealing of cooling water channel, comprising:
S90: the opening sealing described cooling water channel;
S91: inflate in described cooling water channel;
S92: detect the atmospheric pressure value in described cooling water channel;
S93: if described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
S94: when arriving the second Preset Time, detects the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
S95: judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction;
S96: if not, then described cooling water channel sealing is defective;
S97: otherwise, bleed in described cooling water channel;
S98: detect the atmospheric pressure value in described cooling water channel;
S99: if described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
S100: when arriving the first Preset Time, detects the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
S101: judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction;
S102: if not, then described cooling water channel sealing is defective;
S103: otherwise described cooling water channel sealing is qualified.
Because the method for the present embodiment is different from the order that the method that embodiment three provides just adjusts the air pressure in cooling water channel, other does not all change, and concrete embodiment refers to the description of embodiment three.
Above the detection method of the sealing of cooling water channel provided by the present invention and system are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (9)
1. a detection method for the sealing of cooling water channel, is applied to the motor of electric automobile, it is characterized in that, comprising:
Seal the opening of described cooling water channel;
Adjust the air pressure in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches target air pressure value, then stop the air pressure adjustment in described cooling water channel;
When arriving Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as measurement atmospheric pressure value;
Judge whether the absolute value of the difference of described target air pressure value and described measurement atmospheric pressure value is less than default pressure reduction, if so, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
2. the detection method of the sealing of cooling water channel according to claim 1, is characterized in that, the air pressure in the described cooling water channel of described adjustment specifically comprises:
Bleed in described cooling water channel;
Wherein, when to when bleeding in described cooling water channel, defining described target air pressure value is the first preset pressure value, and described Preset Time is the first Preset Time, and described default pressure reduction is first preset pressure reduction; If the absolute value of the difference of described first preset pressure value and described measurement atmospheric pressure value is less than described first preset pressure reduction, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
3. the detection method of the sealing of cooling water channel according to claim 1, is characterized in that, the air pressure in the described cooling water channel of described adjustment specifically comprises:
Inflate in described cooling water channel;
Wherein, when to when inflating in described cooling water channel, defining described target air pressure value is the second preset pressure value, and described Preset Time is the second Preset Time, and described default pressure reduction is second preset pressure reduction; If the absolute value of the difference of described second preset pressure value and described measurement atmospheric pressure value is less than described second preset pressure reduction, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
4. a detection system for the sealing of cooling water channel, is applied to the motor of electric automobile, it is characterized in that, comprising:
Seal member, for sealing the opening of described cooling water channel;
Maintenance unit, for adjusting the air pressure in described cooling water channel;
Pressure test device, for detecting the atmospheric pressure value in described cooling water channel,
Switch, for when described atmospheric pressure value reaches target air pressure value, then stops described maintenance unit to the air pressure adjustment in described cooling water channel;
Wherein, when arriving Preset Time, described pressure test device detects the atmospheric pressure value in described cooling water channel, and this atmospheric pressure value is labeled as measurement atmospheric pressure value; Judge whether the absolute value of the difference of described target air pressure value and described measurement atmospheric pressure value is less than default pressure reduction, if so, then described cooling water channel sealing is qualified; Otherwise described cooling water channel sealing is defective.
5. the detection system of the sealing of cooling water channel according to claim 4, is characterized in that, described maintenance unit is specially: air-extractor.
6. the detection system of the sealing of cooling water channel according to claim 4, is characterized in that, described maintenance unit is specially: charger.
7. a detection method for the sealing of cooling water channel, is applied to the motor of electric automobile, it is characterized in that, comprising:
Seal the opening of described cooling water channel;
Bleed in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
When arriving the first Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
Judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction; If not, then described cooling water channel performing leak test is defective; Otherwise,
Inflate in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
When arriving the second Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
Judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise described cooling water channel sealing is qualified.
8. a detection system for the sealing of cooling water channel, is applied to the motor of electric automobile, it is characterized in that, comprising:
Seal member, for sealing the opening of described cooling water channel;
Air-extractor, for bleeding in described cooling water channel;
Charger, for inflating in described cooling water channel;
Pressure test device, for detecting the atmospheric pressure value in described cooling water channel;
Switch, for when described atmospheric pressure value reaches the first preset pressure value, then stops bleeding in described cooling water channel, or when described atmospheric pressure value reaches the second preset pressure value, then stops inflating in described cooling water channel;
Detailed process comprises:
Seal the opening of described cooling water channel;
Bleed in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
When arriving the first Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
Judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise,
Inflate in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
When arriving the second Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
Judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise described cooling water channel sealing is qualified.
9. a detection method for the sealing of cooling water channel, is applied to the motor of electric automobile, it is characterized in that, comprising:
Seal the opening of described cooling water channel;
Inflate in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the second preset pressure value, then stop inflating in described cooling water channel;
When arriving the second Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the second measurement atmospheric pressure value;
Judge whether described second preset pressure value and the described second absolute value measuring the difference of atmospheric pressure value are less than second and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise,
Bleed in described cooling water channel;
Detect the atmospheric pressure value in described cooling water channel;
If described atmospheric pressure value reaches the first preset pressure value, then stop bleeding in described cooling water channel;
When arriving the first Preset Time, detect the atmospheric pressure value in described cooling water channel, wherein, this atmospheric pressure value is labeled as the first measurement atmospheric pressure value;
Judge whether described first preset pressure value and the described first absolute value measuring the difference of atmospheric pressure value are less than first and preset pressure reduction; If not, then described cooling water channel sealing is defective; Otherwise described cooling water channel sealing is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208810.0A CN104764572A (en) | 2015-04-28 | 2015-04-28 | Cooling water channel sealing performance detecting method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510208810.0A CN104764572A (en) | 2015-04-28 | 2015-04-28 | Cooling water channel sealing performance detecting method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104764572A true CN104764572A (en) | 2015-07-08 |
Family
ID=53646541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510208810.0A Pending CN104764572A (en) | 2015-04-28 | 2015-04-28 | Cooling water channel sealing performance detecting method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104764572A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106234330A (en) * | 2016-07-26 | 2016-12-21 | 浙江鼎昆环境科技有限公司 | A kind of Coptotermes formosanus Shtrari. detection device and detection method thereof |
| CN108332918A (en) * | 2017-12-29 | 2018-07-27 | 长春汽四环腾达油脂化工有限公司 | A kind for the treatment of system for tail gas of automobile self checking method |
| CN110118716A (en) * | 2019-05-28 | 2019-08-13 | 北京唯公医疗技术有限公司 | Liquid fluid system, air-tightness detection method and the flow cytometer of flow cytometer |
| CN112414642A (en) * | 2019-08-21 | 2021-02-26 | 青岛海尔洗衣机有限公司 | Method for detecting sealing performance of water containing barrel of clothes treatment equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58165030A (en) * | 1982-03-26 | 1983-09-30 | Toshiba Corp | Apparatus for detecting leakage of cooling pipe |
| KR20030081702A (en) * | 2002-04-12 | 2003-10-22 | 한국항공우주산업 주식회사 | Apparatus to use air pressure testing for a tube |
| CN1854702A (en) * | 2005-04-26 | 2006-11-01 | 浙江盾安人工环境设备股份有限公司 | Method for inspecting water-system pipeline by air pressure |
| CN201607310U (en) * | 2009-12-25 | 2010-10-13 | 中山住胶精密橡胶有限公司 | Leakage detection device of rubber hose |
| CN202066654U (en) * | 2011-05-09 | 2011-12-07 | 深圳市大族激光科技股份有限公司 | Air-tightness measurement device |
| CN102723815A (en) * | 2011-03-29 | 2012-10-10 | 淮南矿业(集团)有限责任公司 | System and method for detecting cooling pipeline of motor |
-
2015
- 2015-04-28 CN CN201510208810.0A patent/CN104764572A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58165030A (en) * | 1982-03-26 | 1983-09-30 | Toshiba Corp | Apparatus for detecting leakage of cooling pipe |
| KR20030081702A (en) * | 2002-04-12 | 2003-10-22 | 한국항공우주산업 주식회사 | Apparatus to use air pressure testing for a tube |
| CN1854702A (en) * | 2005-04-26 | 2006-11-01 | 浙江盾安人工环境设备股份有限公司 | Method for inspecting water-system pipeline by air pressure |
| CN201607310U (en) * | 2009-12-25 | 2010-10-13 | 中山住胶精密橡胶有限公司 | Leakage detection device of rubber hose |
| CN102723815A (en) * | 2011-03-29 | 2012-10-10 | 淮南矿业(集团)有限责任公司 | System and method for detecting cooling pipeline of motor |
| CN202066654U (en) * | 2011-05-09 | 2011-12-07 | 深圳市大族激光科技股份有限公司 | Air-tightness measurement device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106234330A (en) * | 2016-07-26 | 2016-12-21 | 浙江鼎昆环境科技有限公司 | A kind of Coptotermes formosanus Shtrari. detection device and detection method thereof |
| CN106234330B (en) * | 2016-07-26 | 2019-05-31 | 浙江鼎昆环境科技有限公司 | A kind of termite detection device and its detection method |
| CN108332918A (en) * | 2017-12-29 | 2018-07-27 | 长春汽四环腾达油脂化工有限公司 | A kind for the treatment of system for tail gas of automobile self checking method |
| CN108332918B (en) * | 2017-12-29 | 2021-03-02 | 吉林省众鑫汽车装备有限公司 | Self-checking method of vehicle tail gas treatment system |
| CN110118716A (en) * | 2019-05-28 | 2019-08-13 | 北京唯公医疗技术有限公司 | Liquid fluid system, air-tightness detection method and the flow cytometer of flow cytometer |
| CN112414642A (en) * | 2019-08-21 | 2021-02-26 | 青岛海尔洗衣机有限公司 | Method for detecting sealing performance of water containing barrel of clothes treatment equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104764572A (en) | Cooling water channel sealing performance detecting method and system | |
| CN202814666U (en) | Comprehensive air tightness test bench | |
| CN102745091B (en) | A kind of new-energy automobile electrokinetic cell case apparatus and control method thereof | |
| CN204115991U (en) | A kind of for the device of automobile manifold detection with mark | |
| CN101424581A (en) | Sealing test device and method thereof | |
| CN104236826A (en) | Bagged product tightness detection device and method | |
| CN102323068A (en) | Method for testing tire burst transient characteristic and device | |
| CN102998062B (en) | A kind of valve method of testing, device and a kind of intelligent valve | |
| CN105372024A (en) | Differential pressure type air tightness leak detection instrument using PWM to control solenoid valve and leak detection method of differential pressure type air tightness leak detection instrument | |
| CN103837310B (en) | One prevents from surveying device and using method thereof by mistake | |
| CN202216850U (en) | Tire burst transient performance test apparatus | |
| CN114459704B (en) | Special equipment for valve pressure test | |
| CN105572036A (en) | Method for testing sealing ability of fuel battery glue line | |
| CN107732330A (en) | A kind of battery case security system and its control method | |
| CN102147318A (en) | Automatic tightness test device for high-precision seal pipefitting and use method thereof | |
| CN103376181A (en) | Heat exchange device and pressure sensor thereof | |
| CN102723815A (en) | System and method for detecting cooling pipeline of motor | |
| CN203024946U (en) | Gas circuit system of air-leakage detector | |
| CN103604572A (en) | Leakage detection method for central air conditioner copper tube | |
| CN208223754U (en) | A kind of detecting tool of inlet manifold leakproofness | |
| CN207751654U (en) | ABS hydraulic pressure unit sealing property testing equipments | |
| CN202229894U (en) | Leakage detection device | |
| CN116481738A (en) | Air tightness detection method and equipment | |
| CN203479481U (en) | Testing device for pressure release performance of safety valve | |
| CN116183141A (en) | Battery pack air tightness detection device and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150708 |