CN216925781U - Balance weighing cover for monitoring air mass of weighing area on line - Google Patents

Balance weighing cover for monitoring air mass of weighing area on line Download PDF

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Publication number
CN216925781U
CN216925781U CN202122856373.7U CN202122856373U CN216925781U CN 216925781 U CN216925781 U CN 216925781U CN 202122856373 U CN202122856373 U CN 202122856373U CN 216925781 U CN216925781 U CN 216925781U
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air
weighing
fixedly connected
chamber
cover
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CN202122856373.7U
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Chinese (zh)
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陈莉月
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S&f Shanghai Laboratory Equipment Co ltd
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S&f Shanghai Laboratory Equipment Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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Abstract

The utility model provides a balance weighing cover for monitoring air quality of a weighing area on line, which comprises a cover body, wherein a closed area covered by the cover body is set as a balance weighing inner chamber, the cover body comprises a side wall and a top shell, the top shell is provided with an inner chamber, the inner chamber is divided into a transition chamber and a purification chamber by the top shell through a set partition plate, the transition chamber is communicated with the balance weighing inner chamber, a first detection sensor mechanism is arranged in the transition chamber, and a second detection sensor mechanism is arranged in the purification chamber. Through the design of the integral structure, the side wall of the cover body and the top shell can be disassembled and assembled, and the partition plate in the top shell can be disassembled and assembled, so that the integral disassembly and assembly of the cover body are facilitated, and the sanitary cleaning of a transition cavity and a purification cavity in the top shell is facilitated; the first detection head of the first detection sensor mechanism is arranged and used for detecting the air quality before purification, and the second detection head of the second detection sensor mechanism is arranged and used for detecting the air quality after purification.

Description

Balance weighing cover for monitoring air mass of weighing area on line
Technical Field
The utility model relates to the technical field of cover bodies, in particular to a balance weighing cover for monitoring air quality of a weighing area on line.
Background
Analytical balances are the necessary common instruments for the balance room, and because they are high-precision instruments, they have certain requirements on the operating environment: vibration-proof, dustproof, windproof, sunlight direct-irradiation-proof, corrosion-resistant gas erosion and relatively constant temperature, and the air speed of the air conditioner is preferably low.
Usually, analytical balance will place it in a cover body when weighing, when analytical balance weighs poisonous liquid or dust, thereby can produce the volatile substance and cause the injury to laboratory operating personnel's health, therefore the cover body will be in time siphoned away the volatile substance and purify.
However, the following problems still exist with current covers: 1) the whole structure is complex and is not easy to disassemble and assemble; 2) the volatile concentration before or after the purification could not be detected.
SUMMERY OF THE UTILITY MODEL
In view of the problems identified in the background, the present invention provides a balance weighing hood that monitors the air mass in a weighing area on-line.
A balance weighing cover for monitoring air quality of a weighing area on line comprises a cover body, wherein a closed area covered by the cover body is arranged as a balance weighing inner chamber, the cover body comprises a side wall and a top shell, the top shell is provided with an inner chamber, the inner chamber is divided into a transition chamber and a purification chamber by the top shell through a partition plate, the transition chamber is communicated with the balance weighing inner chamber, one end of the top shell, which is positioned in the purification chamber, is provided with an air outlet connector, the partition plate is fixedly connected with an air inducing mechanism, the air inducing mechanism comprises an air outlet end and an air inlet end, the air inlet end is positioned in the transition chamber, the air inlet end is in threaded fit with a first detection sensor mechanism, the air outlet end is positioned in the purification chamber, the air outlet end is provided with a plurality of threaded connectors, the threaded connectors are in threaded fit with a purification mechanism, and the partition plate is in threaded fit with a second detection sensor mechanism, the second detection sensor mechanism is located within the purge chamber.
According to one embodiment of the utility model, the air inducing mechanism comprises an air inducing shell, the outer side of the air inducing shell is fixedly connected with the partition plate, a supporting plate is fixedly connected in the air inducing shell, the supporting plate is fixedly connected with a rotating shaft through a set bearing, one end of the rotating shaft is fixedly connected with a motor, the side wall of the other end of the rotating shaft is fixedly connected with a fan blade, and the supporting plate is provided with a plurality of through holes.
According to one embodiment of the utility model, the air inlet end is provided with a plurality of air inlets, the first detection sensor mechanism comprises a first sensor shell and a first detection head, the first sensor shell is in threaded fit with the air inlet end, and the first detection head is positioned in the induced air shell.
According to one embodiment of the utility model, the second detection sensor mechanism comprises a second sensor housing and a second detection head, the second sensor housing is in threaded fit with the partition, and the second detection head is located in the purification chamber.
According to one embodiment of the utility model, the top shell comprises a bottom plate, the bottom plate is fixedly connected with the side wall, the bottom plate is provided with a through hole, and the bottom plate is fixedly connected with an airflow buffer net at the position of the through hole.
According to one embodiment of the utility model, the bottom end of the side wall is provided with a clamping groove, and the clamping groove is clamped and matched with the anti-skid rubber strip.
In summary, the beneficial effects of the utility model are as follows:
1. through the design of the integral structure, the side wall of the cover body and the top shell can be disassembled and assembled, and the partition plate in the top shell can be disassembled and assembled, so that the integral disassembly and assembly of the cover body are facilitated, and the sanitary cleaning of a transition cavity and a purification cavity in the top shell is facilitated;
2. the first detection head of the first detection sensor mechanism is arranged for detecting the air quality before purification, and the second detection head of the second detection sensor mechanism is arranged for detecting the air quality after purification.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is an enlarged view of the structure at a in the embodiment of the present invention.
Reference numerals: 1. a balance weighing inner chamber; 2. a side wall; 3. a top housing; 4. a partition plate; 5. a transition chamber; 6. a purification chamber; 7. an air outlet connector; 8. an air outlet end; 9. an air inlet end; 10. a first detection sensor mechanism; 101. a first sensor housing; 102. a first detection head; 11. a threaded connector; 12. a second detection sensor mechanism; 121. a second sensor housing; 122. a second detection head; 13. an induced draft housing; 14. a support plate; 15. a rotating shaft; 16. a motor; 17. a fan blade; 18. a through hole; 19. an air inlet; 20. a through opening; 21. an airflow buffer net; 22. an anti-slip rubber strip.
Detailed Description
Please refer to fig. 1 and fig. 2. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
First, the design of the present invention is described as follows: the cover body in the prior art has the problems that the structure is complex, the cover body is not easy to disassemble and assemble, the air quality in the cover body cannot be detected, and the like.
A balance weighing cover for monitoring air mass in a weighing area on line comprises a cover body, wherein a closed area covered by the cover body is set as a balance weighing inner chamber 1, and an analytical balance performs a weighing experiment in the balance weighing inner chamber 1. The cover comprises side walls 2 and a top shell 3.
In order to facilitate the operation of the weighing compartment 1 by the operator in the balance, a glove (not shown) or a side door (not shown) is provided on the side wall 2. The bottom end of the side wall 2 is provided with a clamping groove, the clamping groove is clamped and matched with an anti-slip rubber strip 22, and the anti-slip rubber strip 22 is used for preventing the cover body from slipping. The bottom portion of the strip 22 exceeds the bottom portion of the side wall 2, and the strip 22 is deformed by being pressed by the weight of the cover so that the bottom portion of the strip 22 is flush with the bottom portion of the side wall 2.
The top case 3 includes an upper plate, side plates, and a bottom plate. The upper plate, the side plate and the bottom plate enclose an inner cavity. The outer convex part is fixedly arranged on the side plate and fixedly connected with the partition plate 4 through bolts, so that the partition plate 4 divides the inner cavity of the top shell 3 into a transition cavity 5 and a purification cavity 6, wherein the purification cavity 6 is positioned above the transition cavity 5.
As shown in fig. 2, the bottom plate is fixedly connected with the side wall 2, a through hole 20 is formed in the bottom plate, and the transition cavity 5 is communicated with the balance weighing inner chamber 1 through the through hole 20; in order to disperse the airflow of the weighing inner chamber 1 of the balance into the transition chamber 5, an airflow buffer net 21 is fixedly connected to the bottom plate at the position of the through hole 20, and the airflow buffer net 21 can disperse the airflow into a plurality of small airflows, and the airflow buffer net 21 will not be described in detail in this embodiment.
An air inducing mechanism is fixedly connected with the partition plate 4 and is used for leading the gas in the weighing inner chamber 1 of the balance to the purifying chamber 6. In the concrete structure of induced draft mechanism, induced draft mechanism includes induced draft casing 13, induced draft casing 13 outside and baffle 4 fixed connection, and induced draft mechanism includes air-out end 8 and air inlet end 9, and air inlet end 9 is the one end that induced draft casing 13 is in transition chamber 5, and air-out end 8 is the one end that induced draft casing 13 is in purification chamber 6. The air-inducing shell 13 is internally fixedly connected with a supporting plate 14, the supporting plate 14 is fixedly connected with a rotating shaft 15 through a set bearing, one end of the rotating shaft 15 is fixedly connected with a motor 16, the other end side wall 2 of the rotating shaft 15 is fixedly connected with a fan blade 17, the supporting plate 14 is provided with a plurality of through holes 18, and the through holes 18 are used for circulating air flow.
Be provided with a plurality of air intakes 19 at air inlet end 9, air intake 19 is used for the circulation of air current, at the first detection sensor mechanism 10 of the bottom screw-thread fit of air inlet end 9, wherein first detection sensor mechanism 10 includes first sensor housing 101 and first detection head 102, the bottom screw-thread fit of first sensor housing 101 and air inlet end 9, first detection head 102 is in induced air casing 13, thereby make first detection head 102 can detect the concentration of unpurified harmful volatile substance, set up first detection head 102 in induced air casing 13, can avoid the interior harmful volatile substance of transition chamber 5 to distribute inhomogeneous and lead to the different condition of detection data.
Be provided with a plurality of threaded connection mouth 11 at air-out end 8, the connecting pipe of a plurality of purification mechanism (not shown in the figure) of 11 screw-thread fits of a plurality of threaded connection mouth is provided with the valve at the connecting pipe, when harmful volatile substance concentration is lower, only needs one or two purification mechanism to carry out gaseous purification treatment, when harmful volatile substance concentration is higher, then lets all purification mechanism carry out work. The purification mechanism sets up in purifying chamber 6, and after the gas after the purification discharged into purifying chamber 6, be provided with the second in purifying chamber 6 and detect sensor mechanism 12, specifically, second detects sensor mechanism 12 and includes second sensor casing 121 and second and detects head 122, and second sensor casing 121 and baffle 4 screw-thread fit, second detect head 122 are in purifying chamber 6, and the second detects the concentration that head 122 was used for detecting the harmful volatile substance after the purification.
Therefore, the first detection head 102 of the first detection sensor device 10 and the second detection head 122 of the second detection sensor device 12 can monitor the air quality of the weighing area and the air quality of the clean area on line.
The end of the top shell 3 in the purification cavity 6 is provided with an air outlet connector 7, namely, the air outlet connector 7 is communicated with the purification cavity 6, and the air outlet connector 7 is connected with the ventilation pipe.
In conclusion, through the design of the integral structure, the side wall 2 and the top shell 3 of the cover body can be disassembled and assembled, the partition plate 4 in the top shell 3 can be disassembled and assembled, so that the integral disassembly and assembly of the cover body are facilitated, and the transition cavity 5 and the purification cavity 6 in the top shell 3 are conveniently cleaned in a sanitary way; a first detection head 102 of the first detection sensor mechanism 10 is provided for detecting the air quality before purification, and a second detection head 122 of the second detection sensor mechanism 12 is provided for detecting the air quality after purification.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A balance weighing cover for monitoring the air quality of a weighing area on line comprises a cover body, wherein a closed area covered by the cover body is set as a balance weighing inner chamber (1), the cover body comprises a side wall (2) and a top shell (3), and the balance weighing cover is characterized in that,
the top shell (3) is provided with an inner cavity, the inner cavity is divided into a transition cavity (5) and a purification cavity (6) by the top shell (3) through an arranged partition plate (4), the transition cavity (5) is communicated with the balance weighing inner chamber (1), and an air outlet connector (7) is arranged at one end, located in the purification cavity (6), of the top shell (3);
the partition plate (4) is fixedly connected with an air inducing mechanism, and the air inducing mechanism comprises an air outlet end (8) and an air inlet end (9);
the air inlet end (9) is positioned in the transition cavity (5), and the air inlet end (9) is in threaded fit with a first detection sensor mechanism (10);
air-out end (8) are in purify in chamber (6), air-out end (8) are provided with a plurality of threaded connection mouth (11), threaded connection mouth (11) screw-thread fit purifies the mechanism, baffle (4) screw-thread fit second detection sensor mechanism (12), second detection sensor mechanism (12) are in purify in chamber (6).
2. The balance weighing cover for monitoring air quality of a weighing area on line according to claim 1, wherein the air inducing mechanism comprises an air inducing shell (13), the outer side of the air inducing shell (13) is fixedly connected with the partition board (4), a support plate (14) is fixedly connected in the air inducing shell (13), the support plate (14) is fixedly connected with a rotating shaft (15) through a bearing, one end of the rotating shaft (15) is fixedly connected with a motor (16), the other end side wall (2) of the rotating shaft (15) is fixedly connected with a fan blade (17), and the support plate (14) is provided with a plurality of through holes (18).
3. The cover of claim 2, characterized in that the air inlet end (9) is provided with a plurality of air inlets (19), the first detection sensor mechanism (10) comprises a first sensor housing (101) and a first detection head (102), the first sensor housing (101) is in threaded fit with the air inlet end (9), and the first detection head (102) is located in the induced air housing (13).
4. A balance weighing hood for on-line monitoring of air mass in a weighing area according to claim 1, characterized in that the second detection sensor mechanism (12) comprises a second sensor housing (121) and a second detection head (122), the second sensor housing (121) being in threaded engagement with the partition (4), the second detection head (122) being located in the purge chamber (6).
5. A balance weighing hood for on-line monitoring of air mass in a weighing area according to claim 1, characterized in that the top housing (3) comprises a bottom plate, which is fixedly connected with the side wall (2), the bottom plate is provided with a through opening (20), and the bottom plate is fixedly connected with an air flow buffer net (21) at the position of the through opening (20).
6. The cover of claim 1, characterized in that the bottom end of the side wall (2) is provided with a slot, and the slot is clamped and matched with the anti-slip rubber strip (22).
CN202122856373.7U 2021-11-19 2021-11-19 Balance weighing cover for monitoring air mass of weighing area on line Active CN216925781U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122856373.7U CN216925781U (en) 2021-11-19 2021-11-19 Balance weighing cover for monitoring air mass of weighing area on line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122856373.7U CN216925781U (en) 2021-11-19 2021-11-19 Balance weighing cover for monitoring air mass of weighing area on line

Publications (1)

Publication Number Publication Date
CN216925781U true CN216925781U (en) 2022-07-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117191172A (en) * 2023-11-08 2023-12-08 苏州毕恩思实验器材有限公司 Method and device for mass detection and saturation early warning of balance weighing cover

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117191172A (en) * 2023-11-08 2023-12-08 苏州毕恩思实验器材有限公司 Method and device for mass detection and saturation early warning of balance weighing cover
CN117191172B (en) * 2023-11-08 2024-01-23 苏州毕恩思实验器材有限公司 Method and device for mass detection and saturation early warning of balance weighing cover

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