CN203824686U - Refrigerant pressure digital display and regulation device - Google Patents
Refrigerant pressure digital display and regulation device Download PDFInfo
- Publication number
- CN203824686U CN203824686U CN201420216761.6U CN201420216761U CN203824686U CN 203824686 U CN203824686 U CN 203824686U CN 201420216761 U CN201420216761 U CN 201420216761U CN 203824686 U CN203824686 U CN 203824686U
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- China
- Prior art keywords
- pressure
- low pressure
- refrigerant
- pressure sensor
- display
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000003507 refrigerant Substances 0.000 title claims abstract description 30
- 230000033228 biological regulation Effects 0.000 title claims abstract description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 230000001012 protector Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
Abstract
The utility model belongs to the technical field of refrigeration equipment, and provides a refrigerant pressure digital display and regulation device. The refrigerant pressure digital display and regulation device comprises a high pressure sensor, a lower pressure sensor and a display, wherein the high pressure sensor and the low pressure sensor are arranged on a refrigerant pipeline, and the display is electrically connected with the high pressure sensor and the low pressure sensor and comprises a display panel and a mainboard. According to the refrigerant pressure digital display and regulation device provided by the utility model, the high pressure sensor and the low pressure sensor are adopted to be connected with a needle valve, and installation and replacement are carried out conveniently and efficiently; pressure signals are converted into digital signals and displayed on the display panel, thereby being capable of reading the pressure more objectively, more directly and more accurately; and high and low pressure protection values can be adjusted and set conveniently.
Description
Technical field
The utility model relates to refrigerant pressure survey and regulation device, is specifically related to a kind of refrigerant pressure on the number and shows and regulation device.
Background technology
At present, in refrigeration industry, in order to grasp better refrigerating system coolant pressure condition, and occur when abnormal in refrigeration system, can shield to system, traditional method is exactly at the pressure duct place of system and pointer refrigerant high-low pressure table welds respectively by kapillary in low pressure line place, and mechanical type refrigerant pressure protector, although the method can play the effect of reading refrigerant pressure size and protection system, but exist following inconvenience, first, owing to must being directly connected with refrigeration system by welding kapillary, so once kapillary galls scratch or tensimeter, pressure protector breaks down, when change respective accessory, intrasystem refrigerant must be bled off, new filling refrigerant after replacing, both atmosphere pollution had wasted energy, to installation and maintenance, brought greatly inconvenience again, the second, easily there is error in pointer refrigerant pressure gauge reading, and mechanical type refrigerant pressure protector regulates inconvenience, the 3rd, classic method system pipeline is more complicated, increases assembly difficulty, and increases the probability that occurs leak source.
Utility model content
The purpose of this utility model is the deficiency overcoming in prior art, provides a kind of refrigerant pressure on the number to show and regulation device.
For achieving the above object, the utility model is by the following technical solutions:
Refrigerant pressure on the number shows and a regulation device, comprises the high and low pressure sensor being arranged on refrigerant pipeline and the display being electrically connected to it, and display comprises display panel and mainboard.
Described high and low pressure sensor is the diffused silicon pressure transmitter with inner thread mouth, is connected on the high and low pressure piping of refrigerant through needle-valve.
Described mainboard is provided with the power input mouth of pressure transducer, high voltage input terminal and the low pressure input end that pressure signal gathers, and the output of alarm for high voltage signal and low pressure alarming output; Described display panel is provided with high pressure display window, low pressure display window, button and switching button is set.
The beneficial effect that the utility model adopts: adopt high and low pressure sensor to be connected with needle-valve, install and change convenient and swift; Pressure signal changes digital signal into and shows on display pannel, so can read more objective, directly, accurately pressure size; Can adjust easily high-low pressure protection value is set.
Accompanying drawing explanation
Fig. 1 shows and the scheme of installation of regulation device in refrigeration system according to a kind of refrigerant pressure on the number of the utility model preferred embodiment.
Fig. 2 is according to a kind of refrigerant pressure on the number demonstration of the utility model preferred embodiment and the display panel schematic diagram of regulation device.
Fig. 3 is according to a kind of refrigerant pressure on the number demonstration of the utility model preferred embodiment and the mainboard schematic diagram of regulation device.
Embodiment
By the following examples, by reference to the accompanying drawings the utility model is described in further detail.
Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of refrigerant pressure on the number shows and regulation device comprises pressure transducer and display.Wherein pressure transducer is the diffused silicon pressure transmitter with inner thread mouth, comprise high pressure sensor 1 and low pressure sensor 9, high pressure sensor 1 is by being connected on the gas exhaust piping that is contained in compressor 19 with needle-valve 10, low pressure sensor 9 is contained in by needle-valve 10 in the return line of compressor 19, and high-low pressure sensor is connected to display by shielding line 8.Display comprises mainboard 18 and display panel 12.Mainboard 18 is provided with the power input mouth 13 of pressure transducer, the high voltage input terminal 14 of signals collecting and low pressure input end 15, and the output 16 of alarm for high voltage signal and low pressure alarming output 17.Display panel 12 is provided with high pressure display window 3, low pressure display window 2, button 6 and switching button 7 is set.Display panel 12 is provided with adjustable height pressure alarming value, shows the pressure conversion between high-low pressure failure code Ji Bu commensurate.
The utility model high-low pressure sensor is transferred to the pressure signal collecting on the mainboard 18 of display by shielding line 8, by conversion effect, convert digital signal to and show on display panel 12.Simultaneously; by display panel 12 above button 6 is set; can with the alarming value of low pressure, set high pressure; when refrigeration system pressure is during higher or lower than setting value; by high-voltage signal output terminal 14 and low-voltage output 15, give switching signal of external refrigeration system; thereby the operation of closing refrigeration system, plays a protective role.
The present embodiment course of work is: after mainboard 18 switches on power, mainboard 18 carries out self check, and two charactrons show 888, complete after bright one second, and high pressure display window 3 and low pressure display window 2 be the real-time pressure of display system respectively.Press and button 6 is set enters the setting of high-low pressure Protection parameters, press lifting key 5 or press decline key 4 and can revise settings; Press and button 6 is set can between high pressure and low pressure, carries out parameters switching.By switching button 7, can preserve and exit.Without button, within 15 seconds, automatically preserve and exit setting afterwards.
High voltage protective arranges: high pressure display window 3 shows HP, low pressure display window 2 flickering display relative set numerical value, and the refrigeration system that is R22 for refrigerant, default setting is 24 kilograms (bar), adjustable extent-1～40 kilogram (bar), step value is 0.1.When E01 failure code appears in high pressure display window 3, represent high pressure sensor 1 open circuit or short circuit or exceed usable range; When there is E03 failure code, represent that high-voltage value is higher than high pressure setting value.After fixing a breakdown, display panel 12 recovers normal.
Low-voltage variation arranges: high pressure display window shows LP, low pressure display window 2 flickering display relative set numerical value, and the refrigeration system that is R22 for refrigerant, default setting is 0.5 kilogram (bar), adjustable extent-1～40 kilogram (bar), step value is 0.1.When E02 failure code appears in low pressure display window 2, represent low pressure sensor 9 open circuits or short circuit or exceed usable range; When there is E04 failure code, represent that low voltage value is lower than low pressure setting value.After fixing a breakdown, it is normal that display panel recovers.
In addition, can, by pressing switching button 7, select different pressure units, bar or PSI, 1bar=14.5PSI.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, make concrete change or change and all belong to protection domain of the present utility model.
Claims (3)
1. refrigerant pressure on the number shows and a regulation device, it is characterized in that: comprise the high and low pressure sensor being arranged on refrigerant pipeline and the display being electrically connected to it, display comprises display panel and mainboard.
2. refrigerant pressure on the number according to claim 1 shows and regulation device, it is characterized in that: described high and low pressure sensor is the diffused silicon pressure transmitter with inner thread mouth, is connected on the high and low pressure piping of refrigerant through needle-valve.
3. refrigerant pressure on the number according to claim 1 shows and regulation device, it is characterized in that: described mainboard is provided with the power input mouth of pressure transducer, high voltage input terminal and the low pressure input end that pressure signal gathers, and the output of alarm for high voltage signal and low pressure alarming output; Described display panel is provided with high pressure display window, low pressure display window, button and switching button is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216761.6U CN203824686U (en) | 2014-04-30 | 2014-04-30 | Refrigerant pressure digital display and regulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420216761.6U CN203824686U (en) | 2014-04-30 | 2014-04-30 | Refrigerant pressure digital display and regulation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203824686U true CN203824686U (en) | 2014-09-10 |
Family
ID=51480171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420216761.6U Expired - Lifetime CN203824686U (en) | 2014-04-30 | 2014-04-30 | Refrigerant pressure digital display and regulation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203824686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197531A (en) * | 2015-04-11 | 2016-12-07 | 金华市威科工贸有限公司 | A kind of Multifunctional coolant measures digital display meter device |
| CN112611125A (en) * | 2020-12-18 | 2021-04-06 | 新奥数能科技有限公司 | Refrigerant parameter correction method and device |
-
2014
- 2014-04-30 CN CN201420216761.6U patent/CN203824686U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197531A (en) * | 2015-04-11 | 2016-12-07 | 金华市威科工贸有限公司 | A kind of Multifunctional coolant measures digital display meter device |
| CN112611125A (en) * | 2020-12-18 | 2021-04-06 | 新奥数能科技有限公司 | Refrigerant parameter correction method and device |
| CN112611125B (en) * | 2020-12-18 | 2023-02-17 | 新奥数能科技有限公司 | Refrigerant parameter correction method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |