CN104330278A - Vacuum generator performance detection equipment and detection method - Google Patents
Vacuum generator performance detection equipment and detection method Download PDFInfo
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- CN104330278A CN104330278A CN201410709566.1A CN201410709566A CN104330278A CN 104330278 A CN104330278 A CN 104330278A CN 201410709566 A CN201410709566 A CN 201410709566A CN 104330278 A CN104330278 A CN 104330278A
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Abstract
The invention discloses vacuum generator performance detection equipment which comprises a testing stand and an air source, wherein a flow stabilizer device, an air inlet flow control device, an air outlet flow control device, a pressure testing device and a vacuum testing unit are arranged on the testing stand; an inlet of the flow stabilizer device is connected with an air source; the flow stabilizer device is provided with two paths of outlets, wherein one path of outlet is connected with the air inlet flow control device, and the other path of outlet is connected with the pressure testing device; the vacuum testing unit is connected between the air inlet flow control device and the air outlet flow control device, and the air inlet flow control device is connected with the pressure testing device; the vacuum testing unit comprises a vacuum generator; a control terminal is arranged on the testing stand, and connected with the air inlet flow control device, the air outlet flow control device and the pressure testing device. A vacuum generator performance detection method is simple to operate; by adopting the vacuum generator performance detection method, the detection on vacuum degree, air consumption, maximal suction flow and vacuum degree-suction flow characteristics of the vacuum generator can be realized.
Description
Technical field
The invention belongs to pneumatic product detection technique field, specifically, relate to a kind of equipment for carrying out Performance Detection to vacuum generator, and utilize this equipment to carry out the detection method of vacuum generator Performance Detection.
Background technology
Vacuum generator on home market is of a great variety, and model is different, and every key technical index also exists larger gap.Vacuum generator needs to carry out performance test to it before using, and avoids because product vacuum tightness is lower grade for performance deficiency affects its result of use.At present, unified test and criterion are still lacked to the performance evaluation of vacuum generator, many enterprises directly carry out simple test with flow sensor to product, lack checkout equipment that is professional, system in industry, cause the performance parameter detected at present comprehensive, scientifical not, accurate.
The performance index of vacuum generator comprise discharge characteristic and discharge characteristic.Discharge characteristic comprises maximum vacuum, specific air consumption, maximum inhalation flow, vacuum tightness inhalation flow characteristic.When maximum vacuum refers to that vacuum port is completely enclosed, the vacuum tightness of vacuum port, specific air consumption is the flow by supply.When maximum inhalation flow refers to that vacuum port opens wide to air, from the flow that vacuum port sucks.Vacuum tightness-inhalation flow characteristic refers to that supply pressure is under controlled condition, under vacuum port is in the not closed state of change, and the relation between inhalation flow and vacuum tightness.Want the quality of comprehensive evaluation vacuum generator performance, need discharge characteristic and the discharge characteristic of comprehensively understanding vacuum generator, traditional method of testing and proving installation can only be unilateral the detection carrying out certain index of partial vacuum generator, at present not a kind of checkout equipment can realize the complete detection to vacuum generator performance.
Summary of the invention
The object of the present invention is to provide a set of rational in infrastructure, gather precisely, the vacuum generator performance detecting system of complete function, a kind of detection method adopting this vacuum generator to carry out Performance Detection is also provided simultaneously.
Technical scheme of the present invention is: vacuum generator performance detection apparatus, comprises testing table and source of the gas, described testing table is provided with constant-current stabilizer, charge flow rate control device, volume control device of giving vent to anger, pressure test device and vacuum test unit; The entrance of constant-current stabilizer is connected with source of the gas, and outlet has two-way, and a way outlet is connected with charge flow rate control device, and a way outlet is connected with pressure test device; Vacuum test unit is connected to charge flow rate control device and gives vent to anger between volume control device, and charge flow rate control device is connected with pressure test device; Described vacuum test unit comprises vacuum generator, and testing table is provided with control device, and control device is connected with pressure test device with charge flow rate control device, volume control device of giving vent to anger.
Preferably: constant-current stabilizer comprises the filtrator, reduction valve and the stop valve that connect in turn, and filtrator is connected with source of the gas, and stop valve is connected with charge flow rate control device.
Preferably: charge flow rate control device comprises the solenoid valve, electric pressure proportioning valve and the flowmeter I that connect in turn, volume control device of giving vent to anger comprises the flowmeter II and electric flow proportion valve that are connected, described solenoid valve is connected with constant-current stabilizer, the outlet of electric pressure proportioning valve has two-way, one tunnel is connected with flowmeter I, another road is connected with pressure test device, and flowmeter I is connected with the air intake of vacuum test unit, and flowmeter II is connected with the gas outlet of vacuum test unit.
Preferably: vacuum test unit comprises pressure test pipe and vacuum generator, described pressure test pipe has two, and vacuum generator is connected between two pressure test pipes; The air intake of pressure test pipe I is connected with charge flow rate control device, and there is two-way gas outlet, and a road is connected with vacuum generator, and another road is connected with pressure test device; The air intake of pressure test pipe II is connected with vacuum generator, and there is two-way gas outlet, and a road is connected with volume control device of giving vent to anger, and another road is connected with pressure test device.
Preferably: pressure test device is also connected to display terminal, vacuum tightness-inhalation flow family curve can also be drawn by installation testing software on display terminal.
Adopt vacuum generator performance detection apparatus to carry out the method for Performance Detection, comprise exhaust performance and detect and discharge characteristic detection; Described exhaust performance detects the detection comprising maximum vacuum, specific air consumption and maximum inhalation flow,
The detection of described maximum vacuum and maximum inhalation flow comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, adjust airshed control device through control device, adjustments of gas delivery rate is 0, cuts off the air output of volume control device end of giving vent to anger;
C, pressure test device gather the pressure of vacuum test unit gas outlet, obtain the vacuum tightness of vacuum generator;
The detection of described maximum inhalation flow comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, adjust airshed control device through control device, adjustments of gas delivery rate is to maximum;
C, pressure test device gather the pressure of vacuum test unit gas outlet, obtain the vacuum tightness of vacuum generator; Charge flow rate
Control device gathers charge flow rate, and obtain maximum inhalation flow, vacuum tightness and supply pressure level all feed back to control device;
The detection of described specific air consumption comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, adjustment charge flow rate control device, pressure test device gathers the admission pressure at charge flow rate control device place, and charge flow rate control device obtains charge flow value, and force value and flow value all feed back to control device;
Described discharge characteristic detects and comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, regulate charge flow rate control device through control device, the admission pressure controlling vacuum test unit is a steady state value;
C, adjust airshed control device through control device, adjust airshed, thus regulate the size of vacuum generator inhalation flow;
D, pressure test device gather vacuum test unit gas outlet force value, and volume control device of giving vent to anger gathers vacuum test unit inlet flow value, feeds back to control device, obtains the discharge characteristic of vacuum generator.
The invention has the beneficial effects as follows:
The invention provides a set of vacuum generator performance detection apparatus, this equipment can realize the detection to vacuum generator vacuum tightness, specific air consumption, maximum inhalation flow, vacuum tightness-inhalation flow characteristic, possess skills upper breakthrough to the fundamental research of vacuum generator and qualitative analysis, there is good repeatability, test macro can be preserved data result and inquire about, arrange flexibly, easy to operate, degree of accuracy is high.
Vacuum generator checkout equipment increases current stabilization, drainage, flow control, pressure obtaning device in detection sample, delicate flow is used to count acquisition system collection, can accurately reading displayed on display terminal by control module, and discharge characteristic and the vacuum tightness-inhalation flow family curve of drawing vacuum generator can be realized, performance parameter is very clear, better for the lifting of properties of product provides scientific and reasonable detection data.
Present invention also offers the detection method that a kind of vacuum generator carries out Performance Detection, the method is simple to operate, adopts the method can realize the comprehensive Performance Detection of vacuum generator.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum generator performance detection apparatus of the present invention
Fig. 2 is the structural representation of vacuum generator performance detection apparatus of the present invention
Fig. 3 is vacuum generator performance detection apparatus air flow structure schematic diagram of the present invention
Fig. 4 is test sample vacuum generator structural representation
Fig. 5 is pressure test pipe I structural representation
Fig. 6 is pressure test pipe II structural representation
Embodiment
As Fig. 1 and Fig. 2 gives the structure of vacuum generator performance detection apparatus, Fig. 3 gives the flux map of vacuum generator performance detection apparatus, and Fig. 4 to Fig. 6 gives vacuum generator and two pressure test interface tube structural representations of vacuum test unit vacuum.As shown in Figures 1 to 6: equipment comprises testing table 17 and source of the gas, testing table 17 is provided with constant-current stabilizer, volume control device, pressure test device and vacuum test unit.
Constant-current stabilizer comprises the filtrator 3, reduction valve 2 and the stop valve 1 that connect in turn, charge flow rate control device comprises the solenoid valve 8, electric pressure proportioning valve 9 and the flowmeter I5 that connect in turn, solenoid valve 8, electric pressure proportioning valve 9 are all connected with control device with flowmeter I5, volume control device of giving vent to anger comprises the flowmeter II4 and electric flow proportional control valve 14 that are connected, and flowmeter II4 is all connected with control device with electric flow proportional control valve 14.Vacuum test unit comprises two pressure test pipes, and pressure test device comprises 4 tensimeters and 2 and pressure transducer, and 4 tensimeters are all connected with control device with pressure transducer with 2.
Filtrator 3 is connected with source of the gas, and the outlet of stop valve 1 has two-way, and a way outlet is connected with solenoid valve 8, and a way outlet is connected with tensimeter 10, and the pressure of source of the gas surveyed by tensimeter 10.The outlet of electric pressure proportioning valve 9 has two-way, and a way outlet is connected with tensimeter 11, and tensimeter 11 is for testing the force value at charge flow rate control device place, and another way outlet is connected with flowmeter I5.
Vacuum generator 28 is connected between two pressure test pipes; The air intake opening 18 of vacuum generator 28 is connected with the gas outlet 23 of pressure test pipe I27, and the pressure tappings 22 of pressure test pipe I27 is connected with pressure transducer 6 with tensimeter 12; The vacuum inlet feeds 19 of vacuum generator 28 is connected with the air intake 24 of pressure test pipe II29, and the exhausr port 20 of vacuum generator 28 communicates with air through exhaust box 30; The pressure tappings 25 of pressure test pipe II29 is connected with pressure transducer 7 with tensimeter 13, and the gas outlet 26 of pressure test pipe II29 is connected with electric flow proportion valve 14 successively with flowmeter II4, and the gas outlet of electric flow proportion valve 14 communicates with air.
Pressure test device on testing table 17 is also connected to display terminal 15, the pressure data of collection is sent to display terminal 15, display terminal 15 display page is positioned at the front of test macro testing table 17, the flow value of the force value that display terminal 15 real-time display pressure test device records and charge flow rate control device and volume control device collection of giving vent to anger.Testing table is also provided with control desk 16, and control desk 16 is as the work of the control device control system of system.By control desk 16 Controlling solenoid valve 8, electric pressure proportioning valve 9, electrically flow proportion valve 14, flowmeter I5 and flowmeter II4, thus the break-make of the allotment and air-flow of carrying out pressure height controls.The force value recorded by pressure test device can reflect suction side and the exhaust end stream pressure value of vacuum generator 28, the vacuum tightness quality of reflection vacuum generator 28.Vacuum tightness-inhalation flow family curve can also be drawn by installation testing software on display terminal 15, intuitively show properties of product.
Start vacuum generator performance detection apparatus, the display terminal 15 on testing table and control desk 16 are started working.Charge flow rate control device and the volume control device of giving vent to anger of vacuum generator performance detection apparatus are all provided with flow and pressure acquisition device, gather pressure and flow number, can reflect air inlet and the Gas Escaping Property of vacuum generator 28 comprehensively by these devices.Adopt vacuum generator performance detection apparatus to carry out Performance Detection, exhaust performance can be realized and detect and discharge characteristic detection; Exhaust performance detects the detection comprising maximum vacuum, specific air consumption and maximum inhalation flow, and the detection of discharge characteristic comprises the detection of vacuum tightness-inhalation flow characteristic.
The detection of maximum vacuum and maximum inhalation flow comprises the following steps:
A, through control desk 16 electromagnetic valve for adjusting 8, control gas circuit conducting, source of the gas starts as checkout equipment air feed;
B, adjust the electric flow proportion valve 14 of airshed control device through control desk 16, control device acquisition stream gauge II4
Flow value, adjustments of gas delivery rate is 0, and namely the airshed that goes out of flowmeter II4 is 0, cut off give vent to anger flow control dress
Put the air output of end, now vacuum inlet feeds 19;
C, pressure test device gather the pressure of pressure test pipe II29 pressure tappings 25, obtain the vacuum tightness of vacuum generator 28,
This numerical value is shown by tensimeter 13; Vacuum degree feeds back to control device.
When maximum vacuum refers to that vacuum port is completely enclosed, the vacuum tightness of vacuum port.Its principle of work of method of testing is: when cut off flowmeter II4 go out airshed after, vacuum test unit internal theory no longer includes air-flow and flows out, namely close the vacuum port suction inlet 19 of vacuum generator 30.Because the air intake 24 of pressure test pipe II29 is connected with the vacuum inlet feeds 19 of vacuum generator 30, the reflection of force value that pressure test pipe II29 pressure tappings 25 records be the force value of vacuum generator 30 inside, the size of this force value directly reflects the vacuum tightness of vacuum generator 30 inside.The air flow value that now flowmeter I5 gathers is specific air consumption.
The detection of described maximum inhalation flow comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, adjust the electric flow proportion valve 14 of airshed control device through control desk 16, control device acquisition stream gauge II4
Flow value, adjustments of gas delivery rate is to maximum;
C, pressure test device gather the pressure of vacuum test unit gas outlet, obtain the vacuum tightness of vacuum generator; Charge flow rate
Control device gathers charge flow rate, and obtain maximum inhalation flow, vacuum tightness and supply pressure level all feed back to control device.
When maximum inhalation flow refers to that vacuum port opens wide to air, from the flow that vacuum port sucks.The Cleaning Principle of maximum inhalation flow is, regulates electric flow proportion valve 14, makes the flow value of flowmeter II4 reach maximum, and now the vacuum inlet feeds 19 of vacuum generator 30 communicates with air completely.Pressure test device gathers the pressure of pressure test pipe II29 pressure tappings 25, and the flowmeter I5 of charge flow rate control device gathers charge flow rate, and the value of flowmeter I5 is maximum inhalation flow.
The detection of specific air consumption comprises the following steps:
A, through control desk 16 electromagnetic valve for adjusting 8, control gas circuit conducting;
The electric pressure proportioning valve 9 of B, adjustment charge flow rate control device, the tensimeter 11 of pressure test device gathers the admission pressure at charge flow rate control device place, and charge flow rate control device obtains charge flow value, and force value and flow value all feed back to control device.
Specific air consumption is the flow by supply.When maximum inhalation flow refers to that vacuum port opens wide to air, from the flow that vacuum port sucks.The Cleaning Principle of specific air consumption is: gas circuit conducting, normal work, realize the object regulating supply air-flow by regulating electric pressure proportioning valve 9, the flowmeter I5 of charge flow rate control device obtains charge flow value, and namely charge flow value reacts the specific air consumption of vacuum generator 30.
Discharge characteristic detects and comprises the following steps:
A, through control desk 16 electromagnetic valve for adjusting 8, control gas circuit conducting;
B, regulate charge flow rate control device electric pressure proportioning valve 9 through control desk 16, control the admission pressure of vacuum test unit
Be a steady state value, namely the pressure at pressure tappings 25 place of pressure test pipe I27 is a steady state value, and this numerical value passes through tensimeter
12 displays;
C, adjust the electric flow proportion valve 14 of airshed control device through control desk 16, adjust airshed, thus regulate
The size of vacuum generator 30 inhalation flow;
D, pressure test device gather the force value at pressure test pipe II29 pressure tappings 25 place, and this numerical value is shown by tensimeter 13
Show, the collection vacuum generator inlet flow value of volume control device of giving vent to anger, this numerical value is by the flow value of flowmeter II4
Reflection, force value and flow value all feed back to control device, obtain the discharge characteristic of vacuum generator.
Vacuum tightness-inhalation flow characteristic refers to that supply pressure is under controlled condition, under vacuum port is in the not closed state of change, and the relation between inhalation flow and vacuum tightness.
Its principle of work is: the pressure at pressure test pipe I27 pressure tappings 25 place is the setting pressure of vacuum generator 30.By the pressure regulating electric pressure proportioning valve 9 can regulate pressure test pipe I27 pressure tappings 25 place, realize the object of constant supply pressure.Now, the inhalation flow of vacuum generator 30 can be regulated by the electric flow proportion valve 14 adjusted on airshed control device, change the vacuum tightness of vacuum generator 30 inside, the inhalation flow of the flow value reaction vacuum generator 30 of flowmeter II4, force value reaction vacuum generator 30 internal pressure at pressure test pipe II29 pressure tappings 25 place and vacuum tightness.
Claims (5)
1. vacuum generator performance detection apparatus, comprises testing table and source of the gas, it is characterized in that: described testing table is provided with constant-current stabilizer, charge flow rate control device, volume control device of giving vent to anger, pressure test device and vacuum test unit; The entrance of described constant-current stabilizer is connected with source of the gas, and outlet has two-way, and a way outlet is connected with charge flow rate control device, and a way outlet is connected with pressure test device; Described vacuum test unit is connected to charge flow rate control device and gives vent to anger between volume control device, and charge flow rate control device is connected with pressure test device; Described vacuum test unit comprises vacuum generator, and the exhausr port of vacuum generator communicates with air, and testing table is provided with control device, and control device is connected with pressure test device with charge flow rate control device, volume control device of giving vent to anger.
2. vacuum generator performance detection apparatus as claimed in claim 1, is characterized in that: described constant-current stabilizer comprises the filtrator, reduction valve and the stop valve that connect in turn, and filtrator is connected with source of the gas, and stop valve is connected with charge flow rate control device.
3. vacuum generator performance detection apparatus as claimed in claim 1, it is characterized in that: described charge flow rate control device comprises the solenoid valve, electric pressure proportioning valve and the flowmeter I that connect in turn, volume control device of giving vent to anger comprises the flowmeter II and electric flow proportion valve that are connected, described solenoid valve is connected with constant-current stabilizer, the outlet of electric pressure proportioning valve has two-way, one tunnel is connected with flowmeter I, another road is connected with pressure test device, flowmeter I is connected with the air intake of vacuum test unit, and flowmeter II is connected with the gas outlet of vacuum test unit.
4. vacuum generator performance detection apparatus as claimed in claim 1, it is characterized in that: described vacuum test unit comprises pressure test pipe and vacuum generator, described pressure test pipe has two, and vacuum generator is connected between two pressure test pipes; The air intake of pressure test pipe I is connected with charge flow rate control device, and there is two-way gas outlet, and a road is connected with vacuum generator, and another road is connected with pressure test device; The air intake of pressure test pipe II is connected with vacuum generator, and there is two-way gas outlet, and a road is connected with volume control device of giving vent to anger, and another road is connected with pressure test device.
5. adopt vacuum generator performance detection apparatus described in claim 1 to carry out the method for Performance Detection, it is characterized in that: comprise exhaust performance and detect and discharge characteristic detection; Described exhaust performance detects the detection comprising maximum vacuum, specific air consumption and maximum inhalation flow,
The detection of described maximum vacuum and maximum inhalation flow comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, adjust airshed control device through control device, adjustments of gas delivery rate is 0, cuts off the air output of volume control device end of giving vent to anger;
C, pressure test device gather the pressure of vacuum test unit gas outlet, obtain the vacuum tightness of vacuum generator;
The detection of described maximum inhalation flow comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, adjust airshed control device through control device, adjustments of gas delivery rate is to maximum;
C, pressure test device gather the pressure of vacuum test unit gas outlet, obtain the vacuum tightness of vacuum generator; Charge flow rate control device gathers charge flow rate, and obtain maximum inhalation flow, vacuum tightness and supply pressure level all feed back to control device;
The detection of described specific air consumption comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, adjustment charge flow rate control device, pressure test device gathers the admission pressure at charge flow rate control device place, and charge flow rate control device obtains charge flow value, and force value and flow value all feed back to control device;
Described discharge characteristic detects and comprises the following steps:
A, regulate charge flow rate control device through control device, control gas circuit conducting;
B, regulate charge flow rate control device through control device, the admission pressure controlling vacuum test unit is a steady state value;
C, adjust airshed control device through control device, adjust airshed, thus regulate the size of vacuum generator inhalation flow;
D, pressure test device gather vacuum test unit gas outlet force value, and volume control device of giving vent to anger gathers vacuum test unit inlet flow value, feeds back to control device, obtains the discharge characteristic of vacuum generator.
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| CN106641716A (en) * | 2016-11-14 | 2017-05-10 | 钟玲珑 | Vacuum energy-saving gas supply system |
| CN106640841A (en) * | 2016-11-14 | 2017-05-10 | 钟玲珑 | Vacuum energy-saving gas cylinder exhaust system |
| CN106678088A (en) * | 2016-11-14 | 2017-05-17 | 钟玲珑 | Vacuum energy-saving exhaust system |
| WO2018086092A1 (en) * | 2016-11-14 | 2018-05-17 | 钟玲珑 | Vacuum energy-saving exhaust system |
| WO2018086093A1 (en) * | 2016-11-14 | 2018-05-17 | 钟玲珑 | Anti-pollution vacuum cylinder exhaust system |
| WO2018086091A1 (en) * | 2016-11-14 | 2018-05-17 | 钟玲珑 | Vacuum energy-saving air supply system |
| CN109655297A (en) * | 2018-12-30 | 2019-04-19 | 珠海市广源信科技有限公司 | A kind of vacuum generator method for testing performance |
| CN111297262A (en) * | 2019-12-05 | 2020-06-19 | 小狗电器互联网科技（北京）股份有限公司 | Vacuum pressure detection tool and detection device for cleaning equipment |
| CN115127748A (en) * | 2022-05-20 | 2022-09-30 | 苏州吉尼尔机械科技有限公司 | Integrated vacuum generator performance detection equipment and detection method |
| CN117309453A (en) * | 2023-11-27 | 2023-12-29 | 宿迁江松科技有限公司 | Vacuum generator performance detection equipment and application method thereof |
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| WO2018086092A1 (en) * | 2016-11-14 | 2018-05-17 | 钟玲珑 | Vacuum energy-saving exhaust system |
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| WO2018086091A1 (en) * | 2016-11-14 | 2018-05-17 | 钟玲珑 | Vacuum energy-saving air supply system |
| CN109655297A (en) * | 2018-12-30 | 2019-04-19 | 珠海市广源信科技有限公司 | A kind of vacuum generator method for testing performance |
| CN111297262A (en) * | 2019-12-05 | 2020-06-19 | 小狗电器互联网科技（北京）股份有限公司 | Vacuum pressure detection tool and detection device for cleaning equipment |
| CN111297262B (en) * | 2019-12-05 | 2023-11-28 | 北京小狗吸尘器集团股份有限公司 | Cleaning equipment vacuum pressure detects frock and detection device |
| CN115127748A (en) * | 2022-05-20 | 2022-09-30 | 苏州吉尼尔机械科技有限公司 | Integrated vacuum generator performance detection equipment and detection method |
| CN115127748B (en) * | 2022-05-20 | 2023-08-15 | 苏州吉尼尔机械科技有限公司 | Performance detection equipment and method for integrated vacuum generator |
| CN117309453A (en) * | 2023-11-27 | 2023-12-29 | 宿迁江松科技有限公司 | Vacuum generator performance detection equipment and application method thereof |
| CN117309453B (en) * | 2023-11-27 | 2024-02-20 | 宿迁江松科技有限公司 | Vacuum generator performance detection equipment and application method thereof |
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