CN2735612Y - A novel LED simulated indicator - Google Patents
A novel LED simulated indicator Download PDFInfo
- Publication number
- CN2735612Y CN2735612Y CN 200420089989 CN200420089989U CN2735612Y CN 2735612 Y CN2735612 Y CN 2735612Y CN 200420089989 CN200420089989 CN 200420089989 CN 200420089989 U CN200420089989 U CN 200420089989U CN 2735612 Y CN2735612 Y CN 2735612Y
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- led
- analog indicator
- indicator
- terminal
- novel led
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Abstract
The utility model relates to a novel LED simulated indicator which is mainly used for simulating the switch position mode indication in a power switchgear. The utility model comprises an indicator casing composed of a top cover, a casing bottom and a casing cover, wherein a printed circuit board is fixedly installed in the casing and provided with a driving circuit for driving an LED symbolic tube to emit light and a terminal. The utility model is characterized in that an LED symbolic tube is also installed in the top cover and comprises at least two light sections composed of bicolor LED chips, and each light section in the LED symbolic tube is combined with the light color to form more than two display modes. The utility model has the advantages that the simulated indication with three or more than three position modes for a switchgear is achieved; ultra-thin installation and built-in installation are achieved, which beautifies an instrument board of a switchgear and a first scheme simulated diagram, and facilitates installation; because of the self-lock function of the terminal of the circuit board, the connection between the simulated indicator and a signal input wire remains reliable, and the reliable operation of the simulated indicator is guaranteed.
Description
Technical field
The utility model relates to a kind of indicating device, particularly a kind of novel LED analog indicator, and it is mainly used in the position of the switch state indication in the simulation power switchgear.
Background technology
The analog indicator such as the patent No. are that ZL02239558, denomination of invention are the analog operation positioning indicator at present, the patent No. is that ZL022408060.6, denomination of invention are double-colored analog indicator, the patent No. is that ZL00264183, denomination of invention are that electronic type analog operation positioning indicator, the patent No. are that ZL96240674.0, denomination of invention are the analog operation positioning indicator, above-described these analog indicator all exists following three technological deficiencies:
1. not containing the initial condition when not having electricity, can only be two kinds of position of the switch operating states of indication.
2. binding post all is electrician's formula, promptly process by copper square bar, copper coin drilling and tapping, with common screw crimping input lead, in use, because the vibration of switchgear, screw is very easily loosening, cause the loose contact on electric, make analog indicator indication inaccurate, very person's wire dropping and short circuit causes the power switchgear catastrophe failure.
3. the thickness of the outstanding power switchgear instrument face plate of analog indicator is too high, and the bus in scheme simulation drawing cuts off mutually with the graphic symbol in the indicating device, and is very not attractive in appearance.
Summary of the invention
Problem to be solved in the utility model is intended to overcome above-mentioned technological deficiency, and a kind of reasonable in design is provided, and has the novel LED analog indicator of indicator cock multiposition operating state, employing wiring board terminal and embedding mounting structure.
The technical scheme that the utility model solves the problems of the technologies described above is: the novel LED analog indicator of this kind, at the bottom of comprising skull, shell, the indicating device housing formed of cap, printed circuit board is fixedly mounted in the housing, printed circuit board is provided with driving LED symbol pipe luminous drive circuit and terminal, its design feature is: LED symbol pipe also is installed in the described skull, described LED symbol pipe comprises at least two light sections of being made up of the dual-colored LED chip, each light section and photochromic being combined into more than two show states thereof in the LED symbol pipe.
Drive circuit described in the utility model mainly is made up of diode and dropping resistor, and the drive circuit two ends are connected with terminal with the symbol pipe respectively, and described drive circuit also comprises filter capacitor when making AC applications.
Terminal described in the utility model is the wiring board binding post of screw line ball formula and screwless plug wire.
Also be provided with the fixed mechanism of instrument face plate in the energy clamping switch equipment on the skull described in the utility model.
Fixed mechanism described in the utility model comprises two resilient mountings, and described resilient mounting can advance to eject along the installing hole bullet on the instrument face plate.
Fixed mechanism described in the utility model comprises the screw thread that is complementary with this nut that is provided with on the nut that is enclosed within on the housing and the housing.
The utility model compared with prior art has following beneficial effect: 1. realized the simulation indication of switchgear location status more than three kinds and three kinds.2. realized ultra-thin installation and embedded installing, made that switchgear instrument face plate and a scheme simulation drawing are more attractive in appearance, installed easier.3. because the auto-lock function of wiring board terminal, even the frequent switch of large current interruption device in the power switchgear and producing under the state of vibrations, also can keep analog indicator to be connected reliably with the signal input lead, the indication that guarantees analog indicator is accurate, thereby has guaranteed the reliability service of power switchgear.4. because long-life of LED, thereby guaranteed high reliability long life of the present utility model.
Description of drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is a kind of structure symbol figure (wheelbarrow switch graphic symbol) of symbol pipe among the embodiment 1.
Fig. 3 is a kind of structure symbol figure (circuit breaker graphic symbol) of symbol pipe among the embodiment 1.
Fig. 4 is a kind of structure symbol figure (earthed switch graphic symbol) for symbol pipe among the embodiment 1.
Fig. 5 is a kind of structure symbol figure (ground wire symbol) for symbol pipe among the embodiment 1.
The end view of Fig. 6 is-symbol pipe.
Fig. 7 is first kind of show state of the wheelbarrow switch among the embodiment 1.
Fig. 8 is second kind of show state of the wheelbarrow switch among the embodiment 1.
Fig. 9 is the third show state of the wheelbarrow switch among the embodiment 1.
Figure 10 is the wheelbarrow switch symbol pipe electrical connection graph among the embodiment 1.
Figure 11 is the shape assumption diagram of embodiment 2.
Specific embodiments
Embodiment 1:
Referring to Fig. 1, in the present embodiment, indicating device housing I mainly by at the bottom of skull 2, the shell 3, cap 4 forms, LED symbol pipe 1, printed circuit board 6 are housed in the indicating device housing I, the pin of LED symbol pipe 1 is welded on the printed circuit board 6, printed circuit board 6 is fixed at the bottom of the shell on 3, cap 4 covers circuit board 2, and with 3 joint closes at the bottom of the shell, the afterbody of indicating device housing I is equipped with wiring board binding post 5, terminal 5 is welded on the printed circuit board 6 but exposes outside the cap 4, the drive circuit electronic component that the driving LED that is welded on the printed circuit board 6 symbol pipe 1 is luminous.And also be provided with on the skull 2 indicating device is fixedly mounted on fixed mechanism II on the instrument face plate 7 of switchgear.
Referring to Fig. 2, Fig. 6, Fig. 7, Fig. 8, Fig. 9, LED symbol pipe 1 is arranged by two kinds of colors (for example red and green) led chip and is integrated into the different different switchgears of graphic symbol representative, the different switchgear location status of show state representative of each light section and photochromic various combination thereof in the LED symbol pipe 1.Because the show state combination is multiple, can represent the switchgear location status more than three kinds and three kinds.Arrangements of chips in the LED symbol pipe 1 in the present embodiment is integrated into the wheelbarrow switch graphic symbol, as shown in Figure 2, it mainly is made up of the graphic symbol that comprises two light section 1-2,1-3, represents three kinds of location statuss of wheelbarrow switch respectively by the show state of each light section in the LED symbol pipe 1 and photochromic combination thereof.The profile of LED symbol pipe 1 can be made into rectangle, circle etc.
The pin 1-1 of LED symbol pipe 1 as shown in Figure 6, a kind of switchgear location status is provided with a pin 1-1, for example three kinds of location statuss need four pin 1-1, corresponding show state is to there being a pin 1-1, corresponding pin in drive circuit all to the drive circuit branch road should be arranged, comprise a common pin in addition, this common pin is connected with driving omnibus circuit in the drive circuit.
In the present embodiment, the LED symbol pipe 1 of wheelbarrow switch has three kinds of show states, be respectively first kind of show state R, second kind of show state G and the third show state RG, each show state is by its corresponding pin 1-1, be connected with each corresponding driving circuit branch L1, L2, L3 on the printed circuit, the other end of drive circuit branch road L1, L2, L3 is connected with terminal 5 on the indicating device, and promptly show state R links to each other with drive circuit L1, show state G links to each other with drive circuit L2, show state RG links to each other with drive circuit L3.Drive between the public terminal that omnibus circuit L4 is arranged on the common pin COM of LED symbol pipe and indicating device, be in series with dropping resistor r on this driving omnibus circuit L4, dropping resistor r is complementary input voltage on the terminal and the led chip voltage in the LED symbol pipe 1.In addition, under AC applications, on drive circuit branch road L1, L2, the L3 filter capacitor C1, C2, C3 are set also.Drive circuit L1, L2, L3 are provided with diode D1, D2, D3 can prevent the incoming line wrong and reverse breakdown symbol pipe 1, when input exchange signal as rectifying tube.
During use, LED symbol pipe 1 pattern such as Fig. 7, Fig. 8, shown in Figure 9, being respectively is the pairing show state of the three kinds of location statuss of wheelbarrow switch in the analog switch equipment.Show state R as shown in Figure 7, light section 1-2 is not luminous, and light section 1-3 glow green is represented first kind of location status of wheelbarrow switch; Show state G as shown in Figure 8, light section 1-2 glow green, light section 1-3 burn red is represented second kind of location status of wheelbarrow switch; Show state RG as shown in Figure 9, light section 1-2 burn red, light section 1-3 burn red is represented the third location status of wheelbarrow switch, has realized the simulation indication of three kinds of location statuss of switchgear.In addition according to user's needs, by the not section of sharing the same light on the LED symbol pipe 1 and photochromic permutation and combination can realize the simulation indication of position of the switch state more than three kinds.
In addition, can be according to user's needs, the led chip of LED symbol pipe 1 can also be arranged as other different graphic symbols, and referring to Fig. 3, the graphic symbol of earthed switch is referring to Fig. 4 such as the graphic symbol of circuit breaker, and the graphic symbol of ground wire is referring to Fig. 5.
Fixed mechanism II mainly is made up of the resilient mounting 2-1 that is arranged on the housing.Skull 2 is provided with a pair of resilient mounting 2-1 in the present embodiment, lays respectively at the both sides of skull 2.When the installing hole on the analog indicator insertion switchgear instrument face plate 7, in the automatic retraction analog indicator of the resilient mounting 2-1 body, when instrument face plate 7 pushes up the end face inboard 2-2 of skull 2, resilient mounting 2-1 relies on elasticity and ejects, the inboard 2-2 of resilient mounting 2-1 and end face will tightly block instrument face plate 7, form the fixed mechanism of indicating device on instrument face plate 7, on the instrument face plate 7 that analog indicator is embedded reliably be installed in power switchgear.Because the end surface thickness of skull 2 is 2mm only, has realized the ultra-thin installation of indicating device.The structure of the skull 2 among this embodiment also can be widely used in analog indicators such as electromagnetism pointer-type, LCD electronic type.
Terminal 5 is the wiring board binding post with self-locking function as shown in Figure 1, and the signal voltage input lead inserts at the guidewire port 5-1 of terminal 5, and the utility model adopts the wiring board binding post of screw line ball formula and screwless plug wire.A kind of location status of switchgear, indicating device need be put a binding post, for example need show the indicating device of three kinds of position of the switch states, need four binding posts, and wherein one is common port.Binding post 5 also can be applicable to analog indicators such as electromagnetism pointer-type, LCD electronic type.
Embodiment 2:
Referring to Figure 11, be the shape assumption diagram of another embodiment of the present utility model, except fixed mechanism II and embodiment 1 different, all the other structures be connected all identical or be equal to embodiment 1.Fixed mechanism II in this enforcement does not have to adopt the skull 2 with resilient mounting 2-1 structure.Fixed mechanism II is made up of the screw thread that is complementary with nut 8 on 3 at the bottom of being enclosed within the nut 8 on the housing 3 and being arranged on shell in the present embodiment.Realize that by the position of adjusting nut 8 nut 8 is fastened on indicating device on the switchgear instrument face plate 7.This embodiment is applied to substitute electromagnetism pointer-type analog indicator or LCD electronic type analog indicator, and need not change the installing hole on the switchgear instrument face plate 7.
Claims (6)
1, a kind of novel LED analog indicator, at the bottom of comprising skull, shell, the indicating device housing formed of cap, printed circuit board is fixedly mounted in the housing, printed circuit board is provided with driving LED symbol pipe luminous drive circuit and terminal, it is characterized in that: LED symbol pipe also is installed in the described skull, described LED symbol pipe comprises at least two light sections of being made up of the dual-colored LED chip, each light section and photochromic being combined into more than two show states thereof in the LED symbol pipe.
2, a kind of novel LED analog indicator according to claim 1, it is characterized in that: described drive circuit mainly is made up of diode and dropping resistor, the drive circuit two ends are connected with terminal with the symbol pipe respectively, and described drive circuit also comprises filter capacitor when making AC applications.
3, a kind of novel LED analog indicator according to claim 1, it is characterized in that: described terminal is the wiring board binding post of screw line ball formula and screwless plug wire.
4, a kind of novel LED analog indicator according to claim 1 is characterized in that: the fixed mechanism that also is provided with instrument face plate in the energy clamping switch equipment on the described skull.
5, a kind of novel LED analog indicator according to claim 4, it is characterized in that: described fixed mechanism comprises two resilient mountings, described resilient mounting can advance to eject along the installing hole bullet.
6, a kind of novel LED analog indicator according to claim 4 is characterized in that: described fixed mechanism comprises the screw thread that is complementary with this nut that is provided with on the nut that is enclosed within on the housing and the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089989 CN2735612Y (en) | 2004-09-30 | 2004-09-30 | A novel LED simulated indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420089989 CN2735612Y (en) | 2004-09-30 | 2004-09-30 | A novel LED simulated indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2735612Y true CN2735612Y (en) | 2005-10-19 |
Family
ID=35265473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420089989 Expired - Fee Related CN2735612Y (en) | 2004-09-30 | 2004-09-30 | A novel LED simulated indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2735612Y (en) |
-
2004
- 2004-09-30 CN CN 200420089989 patent/CN2735612Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |