CN1281204A - Digital type display device - Google Patents
Digital type display device Download PDFInfo
- Publication number
- CN1281204A CN1281204A CN 99118954 CN99118954A CN1281204A CN 1281204 A CN1281204 A CN 1281204A CN 99118954 CN99118954 CN 99118954 CN 99118954 A CN99118954 A CN 99118954A CN 1281204 A CN1281204 A CN 1281204A
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- Prior art keywords
- light emitting
- emitting diode
- usefulness
- diode
- panel
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Abstract
The invention provides a digital display device having a digital display part wherein plural digits of LED display parts composed of sever segment LED for figure 8 shaped display are arranged side by side, and is provided with a panel arranged to fringe the periphery of the digital display part. Since a point display is provided on the panel at the position corresponding to the left bottom of the highest digit of the LED display part in the digital display part, it is possible to cope with the change of the indication unit by displaying the decimal point by the point display, even when one digit lower value has to be indicated due to the change of the indication unit.
Description
The present invention relates to the digital type display device that on the low tension switch of the running of refrigerating machine control usefulness etc., is provided with.
, in low temperature gondola etc., many Tianwan businessman's product show cabinets were connected with refrigerating machine in the past,, when cooling off running, multiple compressors were set on refrigerating machine, carried out volume controlled by switching running to each gondola the supply system cryogen.And this volume controlled is to utilize the low tension switch on the suction side that is installed in compressor to carry out.In addition, on this low tension switch, be provided with, with the digital display part of numerical value demonstration detected pressure.
Fig. 4 shows the digital display part 101 that is located on the low tension switch.This digital display part 101, by being arranged side by side three by the light emitting diode (LED) 2 that shows seven segmentations that 8 words are used, diode displaying part 4 with the light emitting diode 3 bottom-right, that the demonstration radix point is used of the light emitting diode 2 that is configured in these seven segmentations is formed can realize three-figure Presentation Function.
And, in an embodiment, shown in Fig. 4 right-hand member, can show the pressure of-1.0～9.95 kg/cm.
Yet, in recent years,, do not used existing kg/cm, and used MPa (MPa) as the unit of pressure.Because 10 kg/cm approximate 0.98 MPa, therefore at the low tension switch that will show aforesaid-1.0～9.95 kg/cm, switch under the situation about showing with MPa, must show-.100～the .995 MPa.That is, Presentation Function will increase by one.
Because like this, will increase a diode displaying part 4 again at the left end of the diode displaying part 4 of as shown in Figure 5 position, the top, this is requiring to save under the situation of substrate space, is difficult to very much accomplish; Simultaneously, owing to increased the diode displaying part, cost also can improve.
The present invention proposes in order to solve prior art problems, and its objective is to provide a kind of digital type display device, even this device as mentioned above, the unit of display changes, and also can not need to increase the diode displaying part, promptly can handle.
Digital type display device of the present invention, by be arranged side by side a plurality of, by the diode displaying part that the light emitting diode that shows seven segmentations that 8 words are used constitutes, constitute the digital display part and form.It has the panel of finishing digital display part surrounding edge, with digital display part topmost on the panel of the lower-left end opposite position of the luminous second tube sheet display part of position, be provided with radix point and show.
According to digital type display device of the present invention, by be arranged side by side a plurality of, by the diode displaying part that shows that seven segmentation light emitting diodes that 8 words are used constitute, in the digital type display device that forms the digital display part and constitute, because on the panel of this digital display part surrounding edge of finishing, on the corresponding position of lower-left end of the diode displaying part of the position, the top of this digital display part, be provided with radix point and show; Therefore, owing to the unit of display changes, must show under the situation of the numerical value that extremely hangs down one, do not need to increase a diode displaying part yet, can utilize the radix point that is located on the panel to show radix point, other then can wait by change software and handle.
Like this, can suppress the increase of number of parts and the raising of cost significantly.
Digital type display device of the present invention is arranged side by side diode displaying part a plurality of, that be made of the light emitting diode that shows seven segmentations that 8 words are used; Simultaneously, have on/off is shown that the light emitting diode of usefulness is located at the left end of the diode displaying part of position topmost, and the digital type display device of the digital display that forms part.It is provided with the panel that digital display part surrounding edge is repaired, with the panel of the lower-left end opposite position of the diode displaying part of position topmost on, be provided with radix point and show; Simultaneously, showing on the panel of light emitting diode opposite position of usefulness, form the light transmission part of negative sign shape with on/off.When showing negative sign, the light emitting diode of on/off demonstration usefulness is lighted.
According to the present invention, this digital type display device has been arranged side by side diode displaying part a plurality of, that be made of the light emitting diode that shows seven segmentations that 8 words are used; Simultaneously, it has on/off is shown that the luminous second tube sheet of usefulness is arranged on the topmost left end of the diode displaying part of position, the digital display part of Gou Chenging like this.In addition, this digital type display device also has the panel of finishing digital display part surrounding edge, with the corresponding positions of panels of lower-left end of the diode displaying part of position topmost on, be provided with radix point and show; Simultaneously, also showing on the corresponding positions of panels of light emitting diode of usefulness the light transmission part of formation negative sign shape with on/off.Because when showing negative sign, the light emitting diode of on/off demonstration usefulness is lighted, and therefore, utilizes on/off to show the light emitting diode of usefulness, shines this light transmission part, adds described structure, can realize the demonstration of negative sign.
Digital type display device of the present invention, be arranged side by side a plurality of, show the diode displaying part that the light emitting diode of usefulness constitutes by light emitting diode that shows seven segmentations that 8 words are used and the radix point that is configured in the light emitting diode lower-left end of these seven segmentations; Simultaneously, have the light emitting diode that on/off is shown usefulness, be located at the left end of the diode displaying part of position topmost, and the digital type display device of the digital display that constitutes part.It has the panel of the surrounding edge of this digital display of finishing part, with the panel of the lower-left end opposite position of the diode displaying part of position topmost on, be provided with radix point and show; Simultaneously, showing on the panel of the corresponding position of light emitting diode of usefulness, form the light transmission part of negative sign shape with on/off.When showing negative sign, on/off shows that the light emitting diode of usefulness lights, and on/off shows it is to utilize bottom that the radix point of the luminous second tube sheet display part of position shows what the light emitting diode of usefulness carried out.
According to the present invention, this digital type display device be arranged side by side a plurality of, by the light emitting diode that shows seven segmentations that 8 words are used be configured in the diode displaying part that luminous second tube sheet that the demonstration radix point of the light emitting diode lower-left end of these seven segmentations uses constitutes.And on/off is shown that the light emitting diode of usefulness is arranged on the left end of the diode displaying part of position topmost; It also has the panel of this digital display part surrounding edge of finishing.This digital type display device with the corresponding positions of panels of lower-left end of the diode displaying part of position topmost on, be provided with radix point and show; Simultaneously, showing on the corresponding positions of panels of light emitting diode of usefulness the light transmission part of formation negative sign shape with on/off.Because when showing negative sign, the light emitting diode of on/off demonstration usefulness is lighted, the radix point of the diode displaying part of position shows what the light emitting diode of usefulness carried out and on/off show to be to utilize bottom, therefore, integrate with said structure, even, can realize that also trouble-free on/off shows using on/off to show that the light emitting diode of usefulness shows under the situation of negative sign.
The present invention is described in detail below in conjunction with accompanying drawing.
Fig. 1 is the front view of the low tension switch of suitable embodiments of the invention;
Fig. 2 is the front view of the light emitting diode of the digital display part of low tension switch of Fig. 1 and on/off demonstration usefulness;
Fig. 3 is the key diagram of the pressure show state that shows low tension switch etc.;
Fig. 4 is the digital display front view partly of the general low tension switch of prior art;
Fig. 5 appends the front view of the state of a diode displaying part again for imagining on the digital display part of Fig. 4.
In figure below,, show components identical with symbol identical among Fig. 4 and Fig. 5.As mentioned above, the low tension switch 1 of embodiment is the capacity that is used for controlling refrigerating machine, from the bottom of the body housing 6 of switch, draws the pressure detection pipe 7 and the electric wire 8 that are communicated with the suction side of compressor.
On the substrate in body housing 6, the control device that does not illustrate in the pie graph (constituting) with microcomputer, simultaneously, and on the front surface of this body housing 6, installation panel 9.Center section at this panel 9 is made breach, and digital display part 11 is embedded in the breach.In addition, below this digital display part 11, disposing/following switch 12,13 and state switch 14 etc., they are all from panel 9 face forward.
Described digital display part 11 and each switch 12,13,14 are installed on the described substrate, and, with the panel 9 of the corresponding position, upper end of each switch 12,13,14 on, printing and the corresponding sign of function separately.
On the one hand, digital display part 11, be by being arranged side by side three by the light emitting diode 2 that shows seven segmentations that 8 words are used, the radix point of bottom righthand side that is configured in the light emitting diode 2 of these seven segmentations shows the diode displaying part 4 that the light emitting diode 3 of usefulness is formed and constitutes.Fig. 2 shows the digital display part 11 of establishing on the substrate that does not illustrate in the drawings.At the left end of this digital display part 11, the on/off that is disposing the on/off of a magnet contactor that is generally used for showing (for example) compressor on substrate shows the light emitting diode 17 of usefulness.
On the other hand, the corresponding position, right-hand member top of this digital display part 11 on the panel 9 that the surrounding edge of digital display part 11 is repaired is being printed and is being used for the sign of MPa of the unit of display.In addition, with the lower-left end position corresponding panel 9 of the diode displaying part 4 (being positioned at the diode displaying part 4 of high order end) of position topmost on, by printing or utilize methods such as pasting diaphragm seal, be provided with radix point and show 18.In addition, this radix point shows that 18 also can use with radix point and show that the identical light emitting diode of light emitting diode 3 constitutes.
In addition, showing on the corresponding panel 9 in position of light emitting diode 17 of usefulness, constitute the light transmission part 19 of a negative sign shape with printing process with described on/off.
Structure more than utilizing is carried out under the situation of pressure demonstration, and described control device can be scaled the numerical value that former kg/cm shows the numerical value that shows with MPa, and show on digital display part 11 as long as change software.Simultaneously, described control device also can be lighted the light emitting diode 17 that on/off shows usefulness under the situation of negative pressure; Under barotropic condition, make on/off show that the light emitting diode 17 of usefulness extinguishes.In addition, the on/off of described magnet contactor, lighting/extinguishing of the light emitting diode 3 that the available demonstration radix point of the diode displaying part 4 (the diode displaying part 4 of low order end) of position is bottom used shows.
Like this,, do not need to increase diode displaying part 4 yet, promptly can switch to MPa and show, demonstrate-.100～the .995 MPa even show the low tension switch 1 of existing-1.0～9.95 kg/cm.(shown in Fig. 3 right-hand member).
In addition, be to describe as an example in an embodiment, but the present invention is not limited thereto with the low tension switch that on refrigerating machine, uses; Because unit changes, cause that the present invention is effective in the digital type display device of figure place variation various.
According to the present invention who as above describes in detail, by be arranged side by side a plurality of, by the diode displaying part that shows that seven segmentation light emitting diodes that 8 words are used constitute, in the digital type display device that forms the digital display part and constitute, because on the panel that this digital display part surrounding edge is repaired, on the corresponding position of lower-left end of the diode displaying part of the position, the top of this digital display part, be provided with radix point and show; Therefore, owing to unit of display change, must show under the situation of the numerical value that extremely hangs down one, do not need to increase a diode displaying part yet, can utilize the radix point that is located on the panel to show radix point, other then can wait by change software and handle.
Like this, can suppress the increase of number of parts and the rising of cost significantly.
According to the present invention, this digital type display device has been arranged side by side diode displaying part a plurality of, that be made of the light emitting diode that shows seven segmentations that 8 words are used; Simultaneously, it has on/off is shown that the light emitting diode of usefulness is arranged on the left end of the diode displaying part of position topmost and the digital display part that constitutes.In addition, this digital type display device also has the panel of finishing digital display part surrounding edge, with the corresponding positions of panels of lower-left end of the diode displaying part of position topmost on, be provided with radix point and show; Simultaneously, also showing on the corresponding positions of panels of light emitting diode of usefulness the light transmission part of formation negative sign shape with on/off.Because when showing negative sign, the light emitting diode of on/off demonstration usefulness is lighted, and therefore, utilizes on/off to show the light emitting diode of usefulness, shines this light transmission part, adds described structure, can realize the demonstration of negative sign.
According to the present invention, this digital type display device be arranged side by side a plurality of, by the light emitting diode that shows seven segmentations that 8 words are used be configured in the diode displaying part that light emitting diode that the demonstration radix point of the light emitting diode lower-left end of these seven segmentations uses constitutes.This digital type display device has, and on/off is shown the light emitting diode of usefulness, is arranged on the diode displaying part left end of position topmost, and the digital display part that forms; It also has the panel that this digital display part surrounding edge is repaired.This digital type display device with the corresponding positions of panels of lower-left end of the diode displaying part of position topmost on, be provided with radix point and show; Simultaneously, showing on the corresponding positions of panels of light emitting diode of usefulness the light transmission part of formation negative sign shape with on/off.Because when showing negative sign, the light emitting diode of on/off demonstration usefulness is lighted, the radix point of the diode displaying part of position shows what the light emitting diode of usefulness carried out and on/off show to be to utilize bottom, therefore, integrate with said structure, even, can realize that also trouble-free on/off shows using on/off to show that the light emitting diode of usefulness shows under the situation of negative sign.
Claims (3)
1. digital type display device, it by be arranged side by side a plurality of, by the diode displaying part that the light emitting diode that shows seven segmentations that 8 words are used constitutes, constitute the digital display part and form; It is characterized by, it has for the surrounding edge of described digital display part is repaired the panel of establishing, with the described panel of the lower-left end opposite position of the described diode displaying part of the position, the top of described digital display part on, be provided with radix point and show.
2. digital type display device, it has been arranged side by side diode displaying part a plurality of, that be made of the light emitting diode that shows seven segmentations that 8 words are used; In addition, it also has the light emitting diode that on/off is shown usefulness, is arranged on the left side of the described diode displaying part of position topmost and the digital display part that forms; It is characterized by, this digital type display device has to be repaired and the panel established described digital display part surrounding edge, with the described panel of the corresponding position of end, lower-left of the described diode displaying part of position, described the top on, be provided with radix point and show; Simultaneously, showing on the described panel of the corresponding position of light emitting diode of usefulness that with described on/off form the light transmission part of negative sign shape, when showing negative sign, institute advances the light emitting diode of on/off demonstration usefulness and lights.
3. digital type display device, it be arranged side by side a plurality of, show the diode displaying part that the light emitting diode of usefulness constitutes by light emitting diode that shows seven segmentations that 8 words are used and the radix point that is configured in the light emitting diode lower-left end of these seven segmentations; Simultaneously, it has on/off is shown that the light emitting diode of usefulness is arranged on the left end of the described diode displaying part of position topmost, and the digital display part that forms; It is characterized by, this digital type display device has to be repaired and the panel established the surrounding edge of described digital display part, with the described panel of the lower-left end opposite position of the described diode displaying part of position, described the top on, be provided with radix point and show; Simultaneously, showing on the described panel of light emitting diode opposite position of usefulness, form the light transmission part of negative sign shape with described on/off; When showing negative sign, described on/off shows that the light emitting diode of usefulness lights, and on/off shows it is to utilize bottom that the radix point of the described diode displaying part of position shows what the light emitting diode of usefulness carried out.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP247222/1998 | 1998-09-01 | ||
| JP24722298A JP3392759B2 (en) | 1998-09-01 | 1998-09-01 | Digital display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1281204A true CN1281204A (en) | 2001-01-24 |
| CN1135516C CN1135516C (en) | 2004-01-21 |
Family
ID=17160278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB99118954XA Expired - Lifetime CN1135516C (en) | 1998-09-01 | 1999-09-01 | Digital type display device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3392759B2 (en) |
| CN (1) | CN1135516C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869523A (en) * | 2016-05-25 | 2016-08-17 | 王世雄 | Digital displaying device with adjustable radix point position |
| CN112611125A (en) * | 2020-12-18 | 2021-04-06 | 新奥数能科技有限公司 | Refrigerant parameter correction method and device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4534419B2 (en) | 2002-01-30 | 2010-09-01 | 株式会社ニコン | Electronic equipment |
| CN100403472C (en) | 2003-02-18 | 2008-07-16 | 三洋电机株式会社 | Electronic digital pressure switch |
-
1998
- 1998-09-01 JP JP24722298A patent/JP3392759B2/en not_active Expired - Lifetime
-
1999
- 1999-09-01 CN CNB99118954XA patent/CN1135516C/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105869523A (en) * | 2016-05-25 | 2016-08-17 | 王世雄 | Digital displaying device with adjustable radix point position |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000075810A (en) | 2000-03-14 |
| JP3392759B2 (en) | 2003-03-31 |
| CN1135516C (en) | 2004-01-21 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1078764 Country of ref document: HK |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Dalian Sanyo Compressor Co., Ltd. Assignor: Sanyo Electric Co., Ltd. Contract record no.: 2011990000553 Denomination of invention: Digital type display device Granted publication date: 20040121 License type: Common License Open date: 20010124 Record date: 20110707 |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20040121 |