CN101995415A - Radiation-resistant performance test device for safety face shield - Google Patents
Radiation-resistant performance test device for safety face shield Download PDFInfo
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- CN101995415A CN101995415A CN 201010545641 CN201010545641A CN101995415A CN 101995415 A CN101995415 A CN 101995415A CN 201010545641 CN201010545641 CN 201010545641 CN 201010545641 A CN201010545641 A CN 201010545641A CN 101995415 A CN101995415 A CN 101995415A
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Abstract
The invention relates to a radiation-resistant performance test device for a safety face shield. The test device comprises a test headform, a headform support, a respiratory system and a radiation heat source, wherein the respiratory system is used for producing respiratory rate and respiratory flow rate, which are in line with requirements of a test, a timer is used for controlling test time, and gas enters into the test headform and further enters into the face shield through a pipeline. The test device can conveniently regulate analogue respiratory flow rate and analogue respiratory rate.
Description
Technical field
The present invention relates to a kind of safety eyewear radiation hardness thermal behavior test unit.
Background technology
In operations such as smelting, glass, pottery, mechanical hot processing, the direct labor often touches thermals source such as High-temp. kiln, and its temperature is generally very high.It is very important that the use of safety eyewear seems.Very important in the sharpness of hot conditions mask wearer for the life security of the workman in producing, seem very important so the radiation resistance of mask wearer tested.Current also do not have the safety eyewear radiation hardness thermal behavior test unit that is fit to.
Summary of the invention
The objective of the invention is to defective, a kind of safety eyewear radiation hardness thermal behavior test unit is provided, so that can carry out the test of radiation hardness thermal behavior multiple different size face shield at the prior art existence.
For achieving the above object, the present invention adopts following technical proposals:
A kind of safety eyewear radiation hardness thermal behavior test unit, comprise a test head dummy, a head dummy support, a respiratory system and a radiant heat source, it is characterized in that: described test head dummy is inner to be hollow-core construction, has draft tube to connect in the tracheae outlet of described respiratory system at the head dummy rear portion; Described head dummy support upper end is hinged by trip bolt with the test head dummy, and lower end and a slide rail are slidingly matched, and change slide rail and are fixedly mounted on the casing, and have lock-screw to fix; Described respiratory system is placed in the described casing; Described radiant heat source is installed on the described casing, and has the baffle plate of arc that heat is concentrated on the face shield to be measured.
Above-mentioned test head dummy is a front opening, joins with the breather tank symmetry of face shield to be measured, and test head dummy rear end has the tracheae outlet of a pipe adapter and described respiratory system to join.
Above-mentioned head dummy support upper end has bucking ladder and described test head dummy to be hinged by described trip bolt.
Above-mentioned respiratory system be a built-in air source successively through a filtrator, a reduction valve, solenoid valve are connected described tracheae outlet with a normal air flowmeter, have a control circuit to connect the frequency that solenoid valve is controlled simulated respiration simultaneously.
Above-mentioned radiant heat source is that a heating wire is installed on a baffle plate, and this heating wire connects power supply by a control circuit, and baffle plate is an arc, and heating wire is trapped among wherein.This arc is fixed on the described casing and facing to described test head dummy.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art: this device has simply, reliable advantage; This device has the advantage of adjustable air flow; This device has the advantage of the multiple products of different specifications of simple adaptation; This device has the advantage that scalable is breathed the simulator frequency.But this device has the strong advantage of intuitive, can directly understand the process of test during test from timer.Can be used as cover radiation resistance test unit.
Description of drawings
Fig. 1 the present invention is the proving installation structural representation.
Embodiment
The preferred embodiments of the present invention accompanying drawings is as follows:
Embodiment one: referring to Fig. 1.Safety face shield radiation hardness thermal behavior test unit comprises a test head dummy 24, head dummy support 18,6,7,8,9,10,11,12,13,14 and radiant heat source 27 of respiratory system, described test head dummy 24 inside are hollow-core construction, have draft tube 22 to connect in the tracheae outlet 15 of described respiratory system at the head dummy rear portion; Described head dummy support 18 upper ends are hinged by trip bolt 21 with test head dummy 24, and lower end and a slide rail 19 are slidingly matched, and change slide rail 19 and are fixedly mounted on the casing 7, and have lock-screw 17 fixing; Described respiratory system is placed in the described casing 7; Described radiant heat source 27 is installed on the described casing, and has the baffle plate 1 of arc that heat is concentrated on the face shield 3 to be measured.
Embodiment two: present embodiment and embodiment one are basic identical, and special feature is as follows: described head dummy 24 front openings, and to aim at the breather tank 5 of face shield to be measured and to join, test head dummy 24 rear ends have a pipe adapter 22 and the tracheae outlet 15 of described respiratory system to join.
Described head dummy support 18 upper ends have a bucking ladder and described test head dummy 24 to be hinged by described trip bolt 21.Head dummy support 18 joins with slide rail 19, can slide front and back on slide rail 19, by lock-screw 17 lockings.
Described respiratory system is characterized in that respiratory system 6,7,8,9,10,11,12,13,14 is that a built-in air source 8 is successively through a filtrator 9, a reduction valve 10, a solenoid valve 11 is connected tracheae outlet 15 with a normal air flowmeter 14, have a control circuit 12 to connect the frequency that described solenoid valve is controlled simulated respiration simultaneously.
Described radiant heat source 27 is a heating wire 2, described heating wire 2 to be installed by a control circuit 4 connection power supplys on a baffle plate 1, and described baffle plate 1 is an arc, and heating wire is trapped among wherein; This arc is fixed on the described casing 7 and facing to described test head dummy 24.
Principle of work of the present invention: built-in air source 8 output gases pass through trap valve 9, reduction valve 10 successively, and the path by solenoid valve 17 switches the effect of breathing of realizing the anthropomorphic dummy subsequently.Can realize the adjusting of respirator system 6,7,8,9,10,11,12,13,14 respirations by adjustment criteria gas meter 14.Can realize the frequency adjustment of respirator by regulating control circuit 12.To test head dummy 24 is installed on the head dummy support 18 and tightens trip bolt.Adjust the position of head dummy support 18, and lock with lock-screw 17.During test, set test period earlier, then face shield is worn on the head dummy, and head dummy draft tube 22 and respiratory system tracheae outlet 15 are joined.Open radiant heat source 27, and adjusting control circuit 4 makes it produce the required heat of test.Open respiratory system 6,7,8,9,10,11,12,13,14 then.The situation of the eyeglass 3 of record tested surface cover after the off-test.
Claims (5)
1. a safety eyewear radiation hardness thermal behavior test unit comprises test head dummy (24), a head dummy support (18), a respiratory system (6,7,8,9,10,11,12,13,14) and a radiant heat source (27), it is characterized in that:
(a) described test head dummy (24) inside is hollow-core construction, has draft tube (22) to connect in the tracheae outlet (15) of described respiratory system at the head dummy rear portion;
(b) described head dummy support (18) upper end is hinged by trip bolt (21) with test head dummy (24), and a lower end and a slide rail (19) are slidingly matched, and changes slide rail (19) and is fixedly mounted on the casing (7), and have lock-screw (17) fixing;
(c) described respiratory system is placed in the described casing (7);
(d) described radiant heat source (27) is installed on the described casing, and has the baffle plate (1) of arc that heat is concentrated on the face shield to be measured (3).
2. safety eyewear radiation hardness thermal behavior test unit according to claim 1, it is characterized in that described test head dummy (24) front opening, aim at face shield breather tank (5) and to join, test head dummy (24) rear end has a pipe adapter (22) and the tracheae outlet (15) of described respiratory system (6,7,8,9,10,11,12,13,14) to join.
3. safety eyewear radiation hardness thermal behavior test unit according to claim 2 is characterized in that described head dummy support (18) upper end has a bucking ladder and described test head dummy (24) to be hinged by described trip bolt (21).
4. safety eyewear radiation hardness thermal behavior test unit according to claim 3, it is characterized in that described respiratory system (6,7,8,9,10,11,12,13,14) is that a built-in air source (8) is successively through a filtrator (9), a reduction valve (10), a solenoid valve (11), with a normal air flowmeter (14), connect described tracheae outlet (15), have a mistake control circuit (12) to connect the frequency that described solenoid valve (11) is controlled simulated respiration simultaneously.
5. safety eyewear radiation hardness thermal behavior test unit according to claim 4, it is characterized in that described radiant heat source (27) is to go up at a baffle plate (1) heating wire (2), described heating wire (2) to be installed by a control circuit (4) connection power supply, described baffle plate (1) is an arc, and heating wire is trapped among wherein; This arc is fixed on that described casing (7) is gone up and facing to described test head dummy (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010545641 CN101995415A (en) | 2010-11-16 | 2010-11-16 | Radiation-resistant performance test device for safety face shield |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010545641 CN101995415A (en) | 2010-11-16 | 2010-11-16 | Radiation-resistant performance test device for safety face shield |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101995415A true CN101995415A (en) | 2011-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010545641 Pending CN101995415A (en) | 2010-11-16 | 2010-11-16 | Radiation-resistant performance test device for safety face shield |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426174A (en) * | 2011-08-31 | 2012-04-25 | 上海大学 | Radiation heat resistance performance test device for face mask |
| CN102980758A (en) * | 2012-12-03 | 2013-03-20 | 山西新华化工有限责任公司 | Special human head model for antigas mask detection |
| CN104374686A (en) * | 2014-11-27 | 2015-02-25 | 太仓市锐杰实验仪器制造有限公司 | Dustproof mask blockage tester |
| CN114964407A (en) * | 2022-05-11 | 2022-08-30 | 青海省畜牧兽医科学院 | Device and method for field determination of yak metabolic gas |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578689A (en) * | 2001-11-02 | 2005-02-09 | 英国国防部 | Protective apparatus |
-
2010
- 2010-11-16 CN CN 201010545641 patent/CN101995415A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1578689A (en) * | 2001-11-02 | 2005-02-09 | 英国国防部 | Protective apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 《中华人民共和国国家标准》 20070626 李小银等 自给开路式压缩空气呼吸器 第1-25页 1-5 , * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102426174A (en) * | 2011-08-31 | 2012-04-25 | 上海大学 | Radiation heat resistance performance test device for face mask |
| CN102980758A (en) * | 2012-12-03 | 2013-03-20 | 山西新华化工有限责任公司 | Special human head model for antigas mask detection |
| CN102980758B (en) * | 2012-12-03 | 2015-08-26 | 山西新华化工有限责任公司 | Respirator detects special headform |
| CN104374686A (en) * | 2014-11-27 | 2015-02-25 | 太仓市锐杰实验仪器制造有限公司 | Dustproof mask blockage tester |
| CN114964407A (en) * | 2022-05-11 | 2022-08-30 | 青海省畜牧兽医科学院 | Device and method for field determination of yak metabolic gas |
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Application publication date: 20110330 |