CN2899077Y - Position sensing switch - Google Patents
Position sensing switch Download PDFInfo
- Publication number
- CN2899077Y CN2899077Y CN 200620008752 CN200620008752U CN2899077Y CN 2899077 Y CN2899077 Y CN 2899077Y CN 200620008752 CN200620008752 CN 200620008752 CN 200620008752 U CN200620008752 U CN 200620008752U CN 2899077 Y CN2899077 Y CN 2899077Y
- Authority
- CN
- China
- Prior art keywords
- resistor
- contact
- transducer
- sleeve
- position sensing
- Prior art date
- 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
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Abstract
The utility model belongs to sensor field, in particular to a position sensing switch, which consists of a resistor A, a sleeve, a permanent magnet, a bobber, a dry spring contact, a dry spring, a resistor B, a connection wire and a fixed holder. The utility model is a new contact switch type sensing device and the design and use of it will tremendously improve reliability of all systems applying contact switch type sensing device such as facility, equipment, machine and vehicle, thereby having the advantages of multifunction, simple structure and high reliability and being able to easily distinguish line fault and sensor failure when used with intelligent system.
Description
Technical field:
The utility model belongs to sensor field, relates to a kind of position sensing switch specifically.
Background technology:
At present, traditional position transducer has various ways such as ultrasonic type, photoelectric type, condenser type, resistance-type, switch with mechanical contact formula, magnetic induction contact switch formula, magnetic induction noncontacting switch formula, wherein the structure with magnetic induction contact switch formula is the simplest, reliable, cheap, therefore obtained using more widely, but this transducer is used a defective in intelligence system: when transducer or when connecting the line failure of transducer, and intelligence system the be not easily distinguishable fault of transducer itself or the fault of the circuit of connection transducer.
The utility model content:
The purpose of this utility model is to be provided with for a change resistor or the capacitor of output characteristic in existing sensors device inside, whether working properly to make things convenient for system's detection, distinguishing sensor and to be connected the circuit of transducer, for system when each sensing subsystem breaks down, accurately judge it is that sensor fault or line fault provide a kind of position sensing switch, to overcome above-mentioned deficiency.
The purpose of this utility model realizes by following principle and technology:
A kind of position sensing switch, comprise resistor A, sleeve, permanent magnet, float, reed switch contact, tongue tube, resistor B, connect lead, holder, be characterized in: sleeve is equipped with in the lower end of holder, the lower end of sleeve is the closed cylinder of a prolongation, resistor A and resistor B are housed in the upper end of sleeve body, the upper end of resistor A, the lower end all connects reed switch contact, the upper end load of resistor B connects lead, lower end dress tongue tube, below all be contained in the cylindrical shell, on the urceolus of sleeve lower end float is housed, and fits, permanent magnet is housed in the float with the slip of sleeve outer face; Resistor A and resistor B be capacitors available A and capacitor B also; The also available jettron of reed switch contact contact, hydraulic selector contact or mechanical switch contact.
Adopt a kind of position sensing switch of the utility model, be with a kind of brand-new contact switch formula sensing device, its utility model and use will all use the reliability of the system of contact switch formula sensing devices that significant raising effect is arranged to facility, equipment, machinery, vehicle etc., the utility model has the advantages that: function is many, simple in structure, reliability is high, is used with intelligence system and can distinguishes line fault and sensor fault easily.
Description of drawings:
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model electrical schematic diagram.
Embodiment:
Embodiment 1:
Referring to Fig. 1, shown in Figure 2, the utility model is by resistor A1, sleeve 2, permanent magnet 3, float 4, reed switch contact 5, tongue tube 6, resistor B7, connect lead 8, holder 9 is formed, be according to shown in the electrical schematic diagram of the spatial placement signal of Fig. 1 and Fig. 2 in the inside of traditional contact switch formula transducer, respectively connect a resistor in the both sides of reed switch contact 5, now connecting resistor with magnetic induction contact switch formula position transducer is that example is done as detailed below: resistor B7 connects with tongue tube 6, resistor A1 and tongue tube 6, resistor B7 parallel connection, tongue tube 6, the common port of resistor A1 is as an output line of the utility model transducer, the common port of resistor A1 and resistor B7 is as another output line of the utility model transducer, make this utility model transducer have following output characteristic by increasing above-mentioned resistor: this utility model transducer externally presents the resistance value of resistor A1 when reed switch contact 5 disconnects, the resistance value after this utility model transducer externally presents resistor A1 and resistor B7 parallel connection when reed switch contact 5 closures.
Embodiment 2: if use capacitor A capacitor B to replace resistor A resistor B
Referring to Fig. 1, shown in Figure 2, respectively connect a capacitor in the both sides of reed switch contact 5, now connecting capacitor with magnetic induction contact switch formula position transducer is that example is done as detailed below: capacitor B7 connects with tongue tube 6, and capacitor A1 and tongue tube 6, capacitor B7 are in parallel.The common port of tongue tube 6, capacitor A1 is as an output line of transducer of the present invention, and the common port of capacitor A1 and capacitor B7 is as another output line of transducer of the present invention.Make transducer of the present invention have following output characteristic by increasing above-mentioned capacitor: transducer of the present invention externally presents the capacitor value of capacitor A1 when reed switch contact 5 disconnects, the capacitor value after transducer of the present invention externally presents capacitor A1 and capacitor B7 parallel connection when reed switch contact 5 closures.
Embodiment 3: if use the jettron contact to replace reed switch contact
Shown in the electrical schematic diagram of Fig. 2, the present invention respectively connects a resistor in the both sides of jettron contact, now connecting resistor with jettron contact position transducer is that example is done as detailed below: resistor B7 connects with the jettron contact, and resistor A1 and jettron contact, resistor B7 are in parallel.The common port of jettron, resistor A1 is as an output line of transducer of the present invention, and the common port of resistor A1 and resistor B7 is as another output line of transducer of the present invention.Make transducer of the present invention have following output characteristic by increasing above-mentioned resistor: transducer of the present invention externally presents the resistance value of resistor A1 when disconnecting in the jettron contact, and transducer of the present invention externally presents the resistance value after resistor A1 and the resistor B7 parallel connection when the jettron closing of contact.
Embodiment 4: if use the hydraulic selector contact to replace reed switch contact
Shown in the electrical schematic diagram of Fig. 2, the present invention respectively connects a resistor in the both sides of hydraulic selector contact, now connecting resistor with hydraulic selector contact position transducer is that example is done as detailed below: resistor B7 connects with the hydraulic selector contact, and resistor A1 and hydraulic selector contact, resistor B7 are in parallel.The common port of hydraulic selector, resistor A1 is as an output line of transducer of the present invention, and the common port of resistor A1 and resistor B7 is as another output line of transducer of the present invention.Make transducer of the present invention have following output characteristic by increasing above-mentioned resistor: transducer of the present invention externally presents the resistance value of resistor A1 when disconnecting in the hydraulic selector contact, and transducer of the present invention externally presents the resistance value after resistor A1 and the resistor B7 parallel connection when the hydraulic selector closing of contact.
Embodiment 5: if use the mechanical switch contact to replace reed switch contact
Shown in the electrical schematic diagram of Fig. 2, the present invention respectively connects a resistor in the both sides of mechanical switch contact, now connecting resistor with mechanical switch contact position transducer is that example is done as detailed below: resistor B7 connects with the mechanical switch contact, and resistor A1 and mechanical switch contact, resistor B7 are in parallel.The common port of mechanical switch, resistor A1 is as an output line of transducer of the present invention, and the common port of resistor A1 and resistor B7 is as another output line of transducer of the present invention.Make transducer of the present invention have following output characteristic by increasing above-mentioned resistor: transducer of the present invention externally presents the resistance value of resistor A1 when disconnecting in the mechanical switch contact, and transducer of the present invention externally presents the resistance value after resistor A1 and the resistor B7 parallel connection when the mechanical switch closing of contact.
Claims (3)
1, a kind of position sensing switch, comprise resistor A, sleeve, permanent magnet, float, reed switch contact, tongue tube, resistor B, connect lead, holder, it is characterized in that: sleeve is equipped with in the lower end of holder, the lower end of sleeve is the closed cylinder of a prolongation, resistor A and resistor B are housed in the upper end of sleeve body, the upper end of resistor A, the lower end all connects reed switch contact, the upper end load of resistor B connects lead, lower end dress tongue tube, below all be contained in the cylindrical shell, on the urceolus of sleeve lower end float is housed, and fits, permanent magnet is housed in the float with the slip of sleeve outer face.
2, a kind of position sensing switch according to claim 1 is characterized in that: resistor A and resistor B be capacitors available A and capacitor B also.
3, a kind of position sensing switch according to claim 1 is characterized in that: the also available jettron of reed switch contact contact, hydraulic selector contact or mechanical switch contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620008752 CN2899077Y (en) | 2006-03-22 | 2006-03-22 | Position sensing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620008752 CN2899077Y (en) | 2006-03-22 | 2006-03-22 | Position sensing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2899077Y true CN2899077Y (en) | 2007-05-09 |
Family
ID=38074410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620008752 Expired - Lifetime CN2899077Y (en) | 2006-03-22 | 2006-03-22 | Position sensing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2899077Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637727A (en) * | 2015-02-18 | 2015-05-20 | 柯远珍 | Position sensing switch |
-
2006
- 2006-03-22 CN CN 200620008752 patent/CN2899077Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104637727A (en) * | 2015-02-18 | 2015-05-20 | 柯远珍 | Position sensing switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070509 |
|
| EXPY | Termination of patent right or utility model |