CN205542580U - Gaseous pressure difference switch of combined type - Google Patents
Gaseous pressure difference switch of combined type Download PDFInfo
- Publication number
- CN205542580U CN205542580U CN201620212131.0U CN201620212131U CN205542580U CN 205542580 U CN205542580 U CN 205542580U CN 201620212131 U CN201620212131 U CN 201620212131U CN 205542580 U CN205542580 U CN 205542580U
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- contact
- converter
- float piston
- pressure differential
- relay
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- Respiratory Apparatuses And Protective Means (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a gaseous pressure difference switch of combined type, including casing, low -voltage tube and the high -voltage tube installing the pressure differential count ware in the casing and be linked together with the casing respectively, be equipped with the float piston in the sealed chamber of pressure differential count ware, still be fixed with second contact, third contact and fourth contact in the sealed chamber, the rear end of float piston is equipped with first contact, along with the change of pressure differential, and the round trip movement in sealed chamber of float piston. The utility model discloses simple structure is exquisite, it just imitates only to need an empty atmospheric pressure difference switch just can handle, well effect filter clogging (pressure differential increase), three kinds of operating modes of damaged (pressure differential reduces) and washing (when wasing the change setting value), warn simultaneously the warning function in addition, significantly reduce the operator intensity of labour and protect the high efficiency filter at terminal well, the air purification quality, and can show through audio -visual pressure differential, rational utilization idle time arranges to rinse the filter time of changing, the influence production time is shortened.
Description
Technical field
This utility model relates to engineering equipment technical field, is specifically related to a kind of combined type gas pressure difference switch.
Background technology
When the roughing efficiency air filter installed in existing air cleaning system and medium effeciency filter need to change; it is formerly only available and estimates first, the dust stratification degree of medium effeciency filter and damaged degree by rule of thumb; it is carried out or changes; the experience of operative employee and technology are required higher, in addition it is also necessary to shutdown inspection, and at ordinary times patrol and examine the frequency and working strength is bigger; take working hour expense labour force the most more; as current check is neglected, change not in time, high efficiency particulate air filter and clean area air quality are affected the biggest.
And, existing air pressure difference switch can only set a working set value, when realizing just imitating, medium effeciency filter blocking (pressure reduction increases), damaged (pressure reduction reductions) and during cleaning (during near cleaned and changed setting value) these three requirement, now need to install three air pressure differences and switch and realize.It addition, existing air pressure difference switch does not the most warn warning function, it is impossible to understand now air pressure difference numerical value and when needing in real time and extract cleaned and changed.
Utility model content
Goal of the invention: the purpose of this utility model is to solve the deficiencies in the prior art; a kind of combined type gas pressure difference switch is provided; real-time pressure reduction can be shown simultaneously; unit regulator cubicle can also be controlled by the electrical contact in switch; realize sound and light alarm and force gang switch machine, protecting high efficiency particulate air filter costly and the protection to clean area air quality.
Technical scheme: a kind of combined type gas pressure difference switch described in the utility model, the pressure reduction enumerator including housing, being installed in housing and the low-voltage tube being connected with housing respectively and high-voltage tube, the annular seal space of described pressure reduction enumerator is provided with float piston, annular seal space is further fixed on the second contact, the 3rd contact and the 4th contact, the front-end and back-end of described float piston are respectively equipped with the first contact and auxiliary the first contact, along with the change of pressure reduction, float piston moves back and forth in annular seal space；When the first contact and the 3rd contact adhesive, triggering normally opened relay, normally opened relay is connected the first sound and light alarm, is disconnected the first sound and light alarm after normally opened relay time-delay closing；When the first contact and the 4th contact adhesive, triggering the relay of the second sound and light alarm, trigger converter normally closed relay simultaneously and disconnect, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set；When assisting the first contact and the second contact adhesive, triggering the relay of the second sound and light alarm, trigger converter normally closed relay simultaneously and disconnect, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set.Wherein, assisting the first contact and the second contact to be equivalent to the both positive and negative polarity of power supply, adhesive is switched on.
Further, being also marked with chilli oil in described annular seal space, chilli oil is promoted float piston to move and can intuitively be shown the numerical value of pressure reduction by chilli oil, and uses the diaphragm seal that can draw high between float piston and chilli oil.
Beneficial effect: compared with prior art, this utility model has the advantage that
(1) pressure difference switch in this utility model can show real-time pressure reduction (band warning red display) simultaneously; and unit regulator cubicle can be controlled by the electrical contact in switch; realize sound and light alarm and force gang switch machine, protecting high efficiency particulate air filter costly and the protection to clean area air quality.
(2) method that this utility model also uses the two-step evolution with distribution linkage, one-level initially report to the police after automatic UNICOM's alarm lamp, remind operator need to check cleaned and changed just medium effeciency filter by acousto-optic flicker (can individually close), now air cleaning system can also be continuing with, if but the most unresolved inspection is cleaned and changed, controller sound and light alarm always, until situation deteriorates again；When secondary alarm starts, interlocking close air cleaning system, start button cannot start, now need operator conduct a compulsory examination cleaned and changed just, medium effeciency filter, after solving fault, manual interlocking switch resets, and could start air cleaning system.
(3) this utility model can understand just medium effeciency filter working condition the most easily by first medium effeciency filter and linkage power distribution control method in the case of non-stop-machine; and can forced shutdown after first medium effeciency filter service condition deteriorates; protecting the air quality of high efficiency particulate air filter costly and clean area, the product not produced clean area produces and pollutes and cross-contamination.
In sum; this utility model simple in construction is exquisite; have only to an air pressure difference switch just to process just effect, medium effeciency filter blocking (pressure reduction increase), damaged (pressure reduction reduction) and clean three kinds of operating modes of (when cleaned and changed setting value); the most also warn warning function; greatly reduce the labor intensity of operator and protect the high efficiency particulate air filter of terminal, air cleaning quality well; and can be shown by pressure reduction intuitively; Appropriate application free time arranges cleaned and changed filter time, reduces and affects the production time.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the local circuit schematic diagram in Fig. 1；
Fig. 3 is circuit diagram of the present utility model.
Detailed description of the invention
Below technical solutions of the utility model are described in detail, but protection domain of the present utility model is not limited to described embodiment.
As shown in Figure 1 to Figure 3, combined type gas pressure difference switch in this utility model, the pressure reduction enumerator including housing, being installed in housing and the low-voltage tube 7 being connected with housing respectively and high-voltage tube 6, the annular seal space 8 of described pressure reduction enumerator is provided with float piston 5, annular seal space 8 is further fixed on the second contact the 2, the 3rd contact 3 and the 4th contact 4, before and after described float piston 5, end is respectively provided with the first contact 1 and auxiliary the first contact 11, along with the change of pressure reduction, float piston 5 moves back and forth in annular seal space 8；When the first contact 1 and the 3rd contact 3 adhesive, triggering normally opened relay, normally opened relay is connected the first sound and light alarm 9, is disconnected the first sound and light alarm 9 after normally opened relay time-delay closing；When the first contact 1 and the 4th contact 4 adhesive, triggering the relay of the second sound and light alarm 10, trigger converter normally closed relay simultaneously and disconnect, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set；When assisting the first contact 11 and the second contact 2 adhesive, triggering the relay of the second sound and light alarm 10, trigger converter normally closed relay simultaneously and disconnect, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set.
In actual applications, can be by the in/out air tube of the pressure difference switch in this utility model through Air conditioner box, it is fixed on Air conditioner box internal (i.e. just, the two sides of medium effeciency filter), pressure difference switch body shell is then installed on the obvious place of outer surface of Air conditioner box, can automatically show magnitude of pressure differential, and mark blocking magnitude of pressure differential by colour developing.
Also being marked with chilli oil in above-mentioned annular seal space 8, chilli oil promotes float piston 5 to move, and uses the diaphragm seal that can draw high between float piston 5 and chilli oil.Open air conditioning unit after, act on due to first medium effeciency filter filter cloth dust etc., pressure differential is produced on the two sides of first medium effeciency filter, flowed by gas in annular seal space 8, make float piston 5 move in in/out air tube passage, coordinate the scale outside passage, read pressure difference, zero value, when without pressure reduction, uses the knob on switch to adjust.
As in figure 2 it is shown, the distribution inter-linked controlling method of above-mentioned combined type gas pressure difference switch, comprise the following steps:
(1) originally, medium effeciency filter blocking but during not less than 2 times of initial differential pressure, first contact 1 of float piston 5 front end and the 3rd contact 3 adhesive trigger the first sound and light alarm 9, first sound and light alarm 9 can be closed, air conditioning unit also will not positive closing, operator can at one's leisure between cleaned and changed；
(2) when the alarm trigger in step (1) and long-time unmanned cleaning, at the beginning of i.e., medium effeciency filter blocking continues increase and exceed twice initial differential pressure (can be set by knob), the most cleaned and changed, bring pollution risk will to high efficiency particulate air filter and clean area air, first contact 1 of float piston 5 front end and the 4th contact 4 adhesive trigger the second sound and light alarm 10, second sound and light alarm 10 can not be closed, trigger converter normally closed relay to disconnect simultaneously, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set, and this warning shutdown can only close power distribution cabinet power supply and could release；
(3) medium effeciency filter is damaged originally, leaky i.e. pressure reduction reduces and triggers the relay of the second sound and light alarm 10 less than auxiliary first contact 1 of float piston 5 rear end during initial differential pressure and the second contact 2 adhesive, trigger converter normally closed relay to disconnect simultaneously, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set.
Claims (2)
1. a combined type gas pressure difference switch, the pressure reduction enumerator including housing, being installed in housing and the low-voltage tube being connected with housing respectively and high-voltage tube, it is characterized in that: the annular seal space of described pressure reduction enumerator is provided with float piston, annular seal space is further fixed on the second contact, the 3rd contact and the 4th contact, the front-end and back-end of described float piston are respectively equipped with the first contact and auxiliary the first contact, along with the change of pressure reduction, float piston moves back and forth in annular seal space；
When the first contact and the 3rd contact adhesive, triggering normally opened relay, normally opened relay is connected the first sound and light alarm, is disconnected the first sound and light alarm after normally opened relay time-delay closing；
When the first contact and the 4th contact adhesive, triggering the relay of the second sound and light alarm, trigger converter normally closed relay simultaneously and disconnect, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set；
When assisting the first contact and the second contact adhesive, triggering the relay of the second sound and light alarm, trigger converter normally closed relay simultaneously and disconnect, to Air conditioner box regulator cubicle converter off signal, converter is by shutdown deceleration time set.
Combined type gas pressure difference switch the most according to claim 1, it is characterised in that: being also marked with chilli oil in described annular seal space, chilli oil promotes float piston to move, and uses the diaphragm seal that can draw high between float piston and chilli oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212131.0U CN205542580U (en) | 2016-03-17 | 2016-03-17 | Gaseous pressure difference switch of combined type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620212131.0U CN205542580U (en) | 2016-03-17 | 2016-03-17 | Gaseous pressure difference switch of combined type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542580U true CN205542580U (en) | 2016-08-31 |
Family
ID=56783901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620212131.0U Withdrawn - After Issue CN205542580U (en) | 2016-03-17 | 2016-03-17 | Gaseous pressure difference switch of combined type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542580U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679598A (en) * | 2016-03-17 | 2016-06-15 | 江苏中兴药业有限公司 | Composite gas differential pressure switch and power distribution linkage control method therefor |
| CN109513280A (en) * | 2017-09-19 | 2019-03-26 | 博西华电器（江苏）有限公司 | Air cleaning unit and kitchen ventilator with it |
| CN114801639A (en) * | 2021-01-29 | 2022-07-29 | 长城汽车股份有限公司 | Replacement reminding method and device for air conditioner filter element and vehicle |
-
2016
- 2016-03-17 CN CN201620212131.0U patent/CN205542580U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105679598A (en) * | 2016-03-17 | 2016-06-15 | 江苏中兴药业有限公司 | Composite gas differential pressure switch and power distribution linkage control method therefor |
| CN105679598B (en) * | 2016-03-17 | 2017-08-22 | 江苏中兴药业有限公司 | A kind of combined type gas pressure difference switch and its distribution inter-linked controlling method |
| CN109513280A (en) * | 2017-09-19 | 2019-03-26 | 博西华电器（江苏）有限公司 | Air cleaning unit and kitchen ventilator with it |
| CN114801639A (en) * | 2021-01-29 | 2022-07-29 | 长城汽车股份有限公司 | Replacement reminding method and device for air conditioner filter element and vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160831 Effective date of abandoning: 20170822 |