CN202372423U - Standard draw resistance measuring device - Google Patents
Standard draw resistance measuring device Download PDFInfo
- Publication number
- CN202372423U CN202372423U CN2011205355740U CN201120535574U CN202372423U CN 202372423 U CN202372423 U CN 202372423U CN 2011205355740 U CN2011205355740 U CN 2011205355740U CN 201120535574 U CN201120535574 U CN 201120535574U CN 202372423 U CN202372423 U CN 202372423U
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- electromagnetic valve
- testing
- control electromagnetic
- valve
- test
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Abstract
The utility model relates to a cigarette draw resistance and filter rod pressure drop measuring device. A standard draw resistance measuring device comprises a testing head, a standard constant-flow hole, a negative pressure generator, an air source, a testing control circuit and an upper computer control system. A latex tube is arranged in the testing head. The air source is connected with a pressure regulating valve. The air outlet end of the pressure regulating valve is connected with the negative pressure generator. The negative pressure sensor is connected with the standard constant-flow hole. The standard constant-flow hole is connected with a filter. The filter is connected with a back blowing control and testing electromagnetic valve. The back blowing control and testing electromagnetic valve is connected with the testing head. The air outlet end of the pressure regulating valve is additionally connected with a sample back blowing control electromagnetic valve and an air cylinder control electromagnetic valve through pipelines. The air outlet end of the standard constant-flow hole is additionally connected with a testing and suction pipeline testing electromagnetic valve through a pipeline. The testing control circuit is connected with the upper computer control system. The electromagnetic valves and digital display pressure gauges are connected to the testing control circuit. The standard draw resistance measuring device has the characteristics of high controllability and high operability.
Description
Technical field
The utility model relates to the measurement mechanism of a kind of Cigarette Draw Resistance and filter stick pressure drop.
Background technology
Cigarette Draw Resistance and filter stick pressure drop are the important parameters of cigarette filter rod physical index; At present GB and iso standard have been stipulated the measuring principle of Cigarette Draw Resistance and filter stick pressure drop: sample is sealed in the measuring equipment pressure reduction at sample two ends when under standard conditions, keeping sample output terminal volumetric flow of gas and being 17.5ml/s.The Cigarette Draw Resistance of each instrument producer different model and the measurement that filter stick voltage drop detection equipment all can be realized resistance to suction/pressure drop at present; There is some difference but owing to aspects such as crucial measuring element, measuring head structure and gas circuit structure such as CFO; When causing each instrument actual measurement Cigarette Draw Resistance and filter stick pressure drop; There is certain difference with Cigarette Draw Resistance and filter stick drop measurement principle, and the accuracy of these differentia influence measurement results and stability.
Summary of the invention
In order to solve above-mentioned technical matters, the purpose of the utility model provides a kind of standard resistance drawing measurement mechanism, and this device has the characteristics of controllability and strong operability.
In order to realize above-mentioned purpose, the technical scheme below the utility model has adopted:
A kind of standard resistance drawing measurement mechanism, this device comprises measuring head, standard constant current hole, negative pressure generator, source of the gas, telemetry circuit and upper computer control system; Be provided with emulsion tube in the measuring head, measuring head is provided with backstay below emulsion tube, and backstay is connected with cylinder; Described source of the gas is connected with pressure-regulating valve; The outlet side of pressure-regulating valve connects described negative pressure generator, and negative pressure generator connects standard constant current hole, and standard constant current hole is connected with filtrator; Filtrator is connected with control blowback and test solenoid valve, and the control blowback is connected described measuring head with the test solenoid valve; The outlet side of described pressure-regulating valve also is connected with sample blowback control electromagnetic valve and cylinder control electromagnetic valve through pipeline, and the cylinder control electromagnetic valve is connected to described cylinder, and sample blowback control electromagnetic valve is connected to described measuring head; The outlet side of described negative pressure generator also is connected with the emulsion tube control electromagnetic valve through pipeline, and the emulsion tube control electromagnetic valve is connected to described emulsion tube through pipeline; Described standard constant current hole outlet side also is connected with test and aspiration test solenoid valve through pipeline, and test and aspiration test solenoid valve are provided with the digital display pressure gauge, and test and aspiration test solenoid valve also are connected to described measuring head through pipeline; Described telemetry circuit connects upper computer control system, and the control blowback all is connected to telemetry circuit with test solenoid valve, sample blowback control electromagnetic valve, cylinder control electromagnetic valve, emulsion tube control electromagnetic valve, test and aspiration test solenoid valve and digital display pressure gauge.
The vacuum generator of the utility model is used to produce size and is the negative pressure of 0.7bar; Standard constant current hole is used to produce the air-flow of 17.5ml/s; Filtrator is placed on the inlet end of standard constant current hole, adopts Cambridge filter and secondary filtration sheet to be used in combination, and influences its flow to avoid airborne impurity to get into standard constant current hole; The digital display pressure gauge links to each other with the measuring head bottom through tracheae, is used for the pressure drop of measuring samples; Telemetry circuit is used for the switching and the data acquisition of control electromagnetic valve; Upper computer control system is used to control telemetry circuit, data processing.The utility model has the characteristics of controllability and strong operability owing to adopt above-mentioned technical scheme.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done a detailed explanation.
A kind of standard resistance drawing measurement mechanism as shown in Figure 1, this device comprise measuring head 1, filtrator 7, standard constant current hole 8, negative pressure generator 11, source of the gas, pressure-regulating valve 12, digital display pressure gauge 10, telemetry circuit and upper computer control system (source of the gas, telemetry circuit and upper computer control system are not expressed) in Fig. 1.Be provided with emulsion tube 2 in the measuring head 1, the tracheae that it is 8mm that an internal diameter is drawn in the lower end of emulsion tube 2, and below emulsion tube 2, be provided with backstay 5 at measuring head 1, backstay 5 is connected with cylinder 6.Described source of the gas is connected with pressure-regulating valve 12; The outlet side of pressure-regulating valve 12 connects described negative pressure generator 11; Negative pressure generator 11 connects standard constant current hole 8; Standard constant current hole 8 is connected with filtrator 7, and filtrator 7 is connected with control blowback and test solenoid valve 3, and the control blowback is connected described tracheae with test solenoid valve 3.The outlet side of described pressure-regulating valve 12 also is connected with sample blowback control electromagnetic valve 13 and cylinder control electromagnetic valve 14 through pipeline, and cylinder control electromagnetic valve 14 is connected to described cylinder 6, and sample blowback control electromagnetic valve 13 is connected to described tracheae.As shown in Figure 1, the outlet side of described negative pressure generator 11 also is connected with emulsion tube control electromagnetic valve 4 through pipeline, and emulsion tube control electromagnetic valve 4 is connected to described emulsion tube 2 through pipeline.Described standard constant current hole 8 outlet sides also are connected with test and aspiration test solenoid valve 9 through pipeline; Test and aspiration test solenoid valve 9 are provided with digital display pressure gauge 10, and test and aspiration test solenoid valve 9 also are connected to described tracheae through pipeline.
Above-mentioned telemetry circuit connects upper computer control system, and the control blowback all is connected to telemetry circuit with test solenoid valve 3, sample blowback control electromagnetic valve 13, cylinder control electromagnetic valve 14, emulsion tube control electromagnetic valve 4, test and aspiration test solenoid valve 9 and digital display pressure gauge 10.
The course of work of above-mentioned device is following:
1, click begins to measure, and emulsion tube control electromagnetic valve 4 is connected, and emulsion tube 2 opens; Cylinder control electromagnetic valve 14 is connected, and cylinder 6 is ejected into the precalculated position, puts into sample (resistance to suction master bar, cigarette or filter stick); Emulsion tube control electromagnetic valve 4 is broken off, emulsion tube 2 closures, and sample is fixed in the measuring head 1; Cylinder control electromagnetic valve 14 is broken off, and cylinder 6 is got back to initial position;
2, control blowback and test solenoid valve 3 are connected; Make the air flow stream of 17.5mL/s cross sample; Test and aspiration test solenoid valve 9 are switched to the test pipeline, the pressure drop of digital display pressure gauge 10 measuring samples, certain hour (resistance to suction master bar 10s; Cigarette 3s, filter stick 6s) back control blowback and 3 disconnections of test solenoid valve;
3, EOT, cylinder control electromagnetic valve 14 is connected, and cylinder 6 is ejected into the precalculated position; Emulsion tube control electromagnetic valve 4 is connected, and emulsion tube 2 opens, and takes out sample (resistance to suction master bar or cigarette); Emulsion tube control electromagnetic valve 4 is broken off; Emulsion tube 2 closures, cylinder control electromagnetic valve 14 is broken off, and cylinder 6 is got back to initial position;
4, if sample is a filter stick, behind the EOT, cylinder control electromagnetic valve 14 is connected; Cylinder 6 is ejected into the precalculated position, and emulsion tube control electromagnetic valve 4 is connected, and emulsion tube 2 opens; Test and aspiration test solenoid valve 9 break off; Preventing that pressure is excessive damages digital display pressure gauge 10, and sample blowback control electromagnetic valve 13 is connected, and sample is gone out measuring head 1 by blowback.
Claims (1)
1. standard resistance drawing measurement mechanism; This device comprises measuring head (1), standard constant current hole (8), negative pressure generator (11), source of the gas, telemetry circuit and upper computer control system; It is characterized in that: be provided with emulsion tube (2) in the measuring head (1), measuring head (1) is provided with backstay (5) in the below of emulsion tube (2), and backstay (5) is connected with cylinder (6); Described source of the gas is connected with pressure-regulating valve (12); The outlet side of pressure-regulating valve (12) connects described negative pressure generator (11), and negative pressure generator (11) connects standard constant current hole (8), and standard constant current hole (8) is connected with filtrator (7); Filtrator (7) is connected with control blowback and test solenoid valve (3), and the control blowback is connected described measuring head (1) with test solenoid valve (3); The outlet side of described pressure-regulating valve (12) also is connected with sample blowback control electromagnetic valve (13) and cylinder control electromagnetic valve (14) through pipeline; Cylinder control electromagnetic valve (14) is connected to described cylinder (6), and sample blowback control electromagnetic valve (13) is connected to described measuring head (1); The outlet side of described negative pressure generator (11) also is connected with emulsion tube control electromagnetic valve (14) through pipeline, and emulsion tube control electromagnetic valve (14) is connected to described emulsion tube (2) through pipeline; Described standard constant current hole (8) outlet side also is connected with test and aspiration test solenoid valve through pipeline; Test and aspiration test solenoid valve are provided with the digital display pressure gauge, and test and aspiration test solenoid valve also are connected to described measuring head (1) through pipeline; Described telemetry circuit connects upper computer control system, and the control blowback all is connected to telemetry circuit with test solenoid valve (3), sample blowback control electromagnetic valve (13), cylinder control electromagnetic valve (14), emulsion tube control electromagnetic valve (14), test and aspiration test solenoid valve and digital display pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205355740U CN202372423U (en) | 2011-12-20 | 2011-12-20 | Standard draw resistance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205355740U CN202372423U (en) | 2011-12-20 | 2011-12-20 | Standard draw resistance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372423U true CN202372423U (en) | 2012-08-08 |
Family
ID=46596120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205355740U Expired - Lifetime CN202372423U (en) | 2011-12-20 | 2011-12-20 | Standard draw resistance measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372423U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914486A (en) * | 2011-12-20 | 2013-02-06 | 浙江中烟工业有限责任公司 | Standard suction resistance measuring device |
| WO2015180089A1 (en) * | 2014-05-29 | 2015-12-03 | 吉瑞高新科技股份有限公司 | Electronic cigarette performance test apparatus and test method |
-
2011
- 2011-12-20 CN CN2011205355740U patent/CN202372423U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914486A (en) * | 2011-12-20 | 2013-02-06 | 浙江中烟工业有限责任公司 | Standard suction resistance measuring device |
| WO2015180089A1 (en) * | 2014-05-29 | 2015-12-03 | 吉瑞高新科技股份有限公司 | Electronic cigarette performance test apparatus and test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120808 |