CN210465622U - Portable electromagnetic relay detection device - Google Patents
Portable electromagnetic relay detection device Download PDFInfo
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- CN210465622U CN210465622U CN201921055183.1U CN201921055183U CN210465622U CN 210465622 U CN210465622 U CN 210465622U CN 201921055183 U CN201921055183 U CN 201921055183U CN 210465622 U CN210465622 U CN 210465622U
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- relay
- voltage source
- indicator lamp
- voltage
- detection device
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Abstract
The utility model provides a portable electromagnetic relay detection device, it includes relay fixed unit, first voltage source, the second voltage source, and status indicator lamp, relay fixed unit includes the relay base, be equipped with on the relay base and be used for installing the relay coil part's that awaits measuring first joint and be used for installing the relay's that awaits measuring second joint of contact part, first voltage source is used for providing the action voltage for the relay's that awaits measuring coil, the status indicator lamp is used for instructing the connection status of the relay's that awaits measuring contact part. The utility model aims at providing a relay detection device that detection rate of accuracy, detection efficiency when further improving current relay to reduce detection device's the use degree of difficulty, improve relay detection device's ease of use and provide.
Description
Technical Field
The utility model belongs to electron technology and measurement and control instrument field especially relate to relay detection device.
Background
The detector is a comprehensive parameter detector which adopts the technologies of bus communication, signal acquisition and processing, microprocessor and the like to realize the detection of parameters such as the pull-in voltage, the release voltage, the contact resistance, the rated current and the like of each relay in the box.
The patent document with application publication number CN105717447A discloses a comprehensive parameter detector for a relay box, which mainly comprises a relay box, a cable interface, an interface and power supply module, a plurality of acquisition control boards, a program control resistor and a core control board; the relay box is connected with the interface and the power supply module through a cable interface; the plurality of acquisition control boards and the program-controlled resistor are connected to the interface and the power supply module; the acquisition control panels and the program control resistors are connected to the core control panel through 485 buses. The method can well detect parameters such as the pull-in voltage, the release voltage, the contact resistance, the rated current and the like of each relay in the box, and has accurate detection result and high speed. But it is mainly suitable for detecting the relay in the target relay box, and is not suitable for detecting the relay parameter in the common factory.
Disclosure of Invention
The utility model aims at providing a relay detection device that detection rate of accuracy, detection efficiency when further improving current relay to reduce detection device's the use degree of difficulty, improve relay detection device's ease of use and provide.
The utility model provides a portable electromagnetic relay detection device, it includes relay fixed unit, first voltage source, the second voltage source, and status indicator lamp, relay fixed unit includes the relay base, be equipped with on the relay base and be used for installing the relay coil part's that awaits measuring first joint and be used for installing the relay's that awaits measuring second joint of contact part, first voltage source is used for providing the action voltage for the relay's that awaits measuring coil, the status indicator lamp is used for instructing the connection status of the relay's that awaits measuring contact part.
The two sides of the second joint are respectively connected with the positive end of the second voltage source and the A end of the status indicator lamp, and the B end of the status indicator lamp is a grounding end.
The voltage measuring device further comprises a current source and a voltmeter, wherein the current source is used for loading current to the two ends of the first joint, and the voltmeter is used for measuring the voltage of the two ends of the first joint.
The first connector is connected with the first voltage source or the current source.
The selection knob is used for selectively connecting the first connector into a neutral gear or into a first voltage source or into a current source.
It still includes the box structure, is equipped with the bottom plate in the inside cavity of box structure, is provided with a plurality of relay bases on the bottom plate, and relay base, first voltage source, second voltage source and status indicator all set up on the bottom plate.
The relay bases are arranged on the base plate in a matrix arrangement mode.
The first voltage source is an adjustable direct current voltage source.
By adopting the technical scheme, the following technical effects can be brought:
1) the coil part and the contact part of the relay to be tested can be well connected with the relay base through the relay base and the first joint and the second joint arranged on the relay base, and the coil of the relay can be well supplied with action voltage through the first voltage source;
2) the state indicating lamp can clearly and visually indicate the connection state of the contact part of the relay to be tested;
3) the resistance of the relay coil to be detected can be easily and accurately detected through the matching of the current source and the voltmeter;
4) the coil of the relay to be tested can be conveniently connected to a first voltage source or a current source or suspended by the selection knob;
5) through the setting of bottom plate in the internal cavity of box structure, can be fine with each component integration in the internal cavity of box structure, the realization component that can not only be fine like this set up, concentrate the overall arrangement in concentrating to enable box structure and detection element wherein can be very easy by the removal, improved relay detection device's ease of use, portability.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a circuit diagram of the present invention;
fig. 2 is a schematic structural diagram of the box structure of the present invention.
Detailed Description
As shown in fig. 1 and fig. 2, a portable electromagnetic relay detection device includes a relay fixing unit 1, a first voltage source 3, a second voltage source 4, and a status indicator lamp 5, the relay fixing unit 1 includes a relay base 2, the relay base 2 is provided with a first connector for mounting a coil portion of a relay to be tested and a second connector for mounting a contact portion of the relay to be tested, the first voltage source 3 is used for providing an operating voltage for the coil of the relay to be tested, and the status indicator lamp 5 is used for indicating a connection status of the contact portion of the relay to be tested.
In one embodiment, a coil part and a contact part of a relay to be tested are respectively connected with a first connector and a second connector, then a first voltage source 3 is connected to the first connector, the coil of the relay to be tested is electrified, the output voltage of the first voltage source is gradually increased, the relay moving contact is closed, the closed state can be fed back by a state indicator lamp, the state indicator lamp is turned on, the contact is closed, and the pull-in voltage is recorded; and then gradually reducing the output voltage of the first voltage source until the relay moving contact is disconnected, feeding back a state indicator lamp to extinguish the disconnected state through the state indicator lamp, indicating that the contact is disconnected, recording the return voltage of the contact, and finishing the measurement of the pull-in voltage and the return voltage of the relay.
On the detailed connection structure of the second connector and the status indicator lamp 5, two sides of the second connector are respectively connected with the positive end of the second voltage source 4 and the end a of the status indicator lamp 5, and the end B of the status indicator lamp 5 is a ground end.
Further, it comprises a current source 6 and a voltmeter 7, the current source 6 is used for loading current to the two ends of the first connector, and the voltmeter 7 is used for measuring the voltage of the two ends of the first connector.
By adopting the structure, the current source 6 is connected to the relay coil to be tested, the current source outputs the current of the specified current flowing into 1A, and then the reading of the voltmeter 7 is read out, so that the resistance of the relay coil can be obtained.
Furthermore, the relay detection device further comprises a selection knob 8, the selection knob 8 is used for selecting the first connector to be connected into a neutral gear or a first voltage source 3 or a current source 6, detection personnel can conveniently connect the coil of the relay to be detected into different detection states through the selection knob, and the usability and the detection efficiency of the relay during detection are improved.
It still includes box structure 9, is equipped with bottom plate 10 in the inside cavity of box structure 9, is provided with a plurality of relay bases 2 on the bottom plate 10, and relay base 2, first voltage source 3, second voltage source 4 and status indicator lamp 5 all set up on bottom plate 10.
By adopting the structure, a plurality of relay bases can be arranged on the bottom plate, the loading of a plurality of relays can be realized, the unloading is realized after the detection, and the loading, detection and unloading efficiency of the relays is effectively improved.
The relay bases 2 are arranged on the bottom plate 10 in a matrix arrangement mode, and the arrangement mode is clear, visual and tidy in layout, facilitates operation of detection personnel, and facilitates layout, arrangement and installation of all elements.
Preferably, the first voltage source 3 is an adjustable dc voltage source.
With the structure, when in use, the following steps are adopted:
firstly, opening a box body structure of the electromagnetic relay detection device, connecting an external power line, and then installing the electromagnetic relay type electric appliance to be detected on a relay base;
when the test is started, firstly, the selection rotation is selected to the 'a' gear, the adjustable direct current voltage source is connected to the relay coil, the output voltage of the adjustable direct current voltage source is gradually increased, the relay moving contact is closed, the closed state can be fed back through the state indicator lamp (if the state indicator lamp is on, the contact is closed), and the pull-in voltage is recorded;
then gradually reducing the output voltage of the adjustable direct current voltage source until the relay moving contact is disconnected, feeding back the disconnected state through a state indicator lamp (the state indicator lamp is off, which indicates that the contact is disconnected), recording the return voltage of the state indicator lamp, and finishing the measurement of the pull-in voltage and the return voltage of the relay;
rotating the selection knob to a gear 'c', connecting the current source to the relay coil, outputting 1A current by the current source, and reading a voltmeter reading, namely the resistance of the relay coil;
and after the measurement is finished, rotating the selection knob to a 'b' gear to finish the measurement of one relay, and finishing the measurement of all relay parameters in this way.
The detection system is simple in design and convenient to use, can efficiently complete relay measurement, and has a good application prospect.
Claims (8)
1. A portable electromagnetic relay detection device which characterized in that: it includes relay fixed unit (1), first voltage source (3), second voltage source (4) and status indicator lamp (5), relay fixed unit (1) includes relay base (2), be equipped with on relay base (2) and be used for the installation to await measuring the first joint of relay coil part and be used for the installation to await measuring the second joint of the contact part of relay, first voltage source (3) are used for providing action voltage for the coil of the relay that awaits measuring, status indicator lamp (5) are used for instructing the connection status of the contact part of the relay that awaits measuring.
2. The portable electromagnetic relay detection apparatus of claim 1, wherein: and two sides of the second joint are respectively connected with the positive end of the second voltage source (4) and the end A of the status indicator lamp (5), and the end B of the status indicator lamp (5) is a grounding end.
3. The portable electromagnetic relay detection apparatus of claim 1, wherein: the device also comprises a current source (6) and a voltmeter (7), wherein the current source (6) is used for loading current to the two ends of the first joint, and the voltmeter (7) is used for measuring the voltage of the two ends of the first joint.
4. The portable electromagnetic relay detection apparatus of claim 3, wherein: the device also comprises a selection knob (8), wherein the selection knob (8) is used for selecting the connection of the first connector to the first voltage source (3) or the current source (6).
5. The portable electromagnetic relay detection apparatus of claim 4, wherein: the selection knob (8) is used for selecting the connection of the first connector to the neutral gear or to the first voltage source (3) or to the current source (6).
6. The portable electromagnetic relay detection device according to claim 3, characterized in that it further comprises a box structure (9), a bottom plate (10) is arranged in the cavity inside the box structure (9), a plurality of relay bases (2) are arranged on the bottom plate (10), and the relay bases (2), the first voltage source (3), the second voltage source (4) and the status indicator lamp (5) are all arranged on the bottom plate (10).
7. The portable electromagnetic relay detection apparatus according to claim 6, wherein the plurality of relay bases (2) are arranged on the base plate (10) in a matrix arrangement.
8. The portable electromagnetic relay detection device according to one of claims 1 to 7, characterized in that the first voltage source (3) is an adjustable DC voltage source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055183.1U CN210465622U (en) | 2019-07-08 | 2019-07-08 | Portable electromagnetic relay detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055183.1U CN210465622U (en) | 2019-07-08 | 2019-07-08 | Portable electromagnetic relay detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210465622U true CN210465622U (en) | 2020-05-05 |
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ID=70444195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921055183.1U Active CN210465622U (en) | 2019-07-08 | 2019-07-08 | Portable electromagnetic relay detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210465622U (en) |
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2019
- 2019-07-08 CN CN201921055183.1U patent/CN210465622U/en active Active
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