CN213181831U - Detection circuit, detection device and detection system - Google Patents
Detection circuit, detection device and detection system Download PDFInfo
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- CN213181831U CN213181831U CN202022148072.4U CN202022148072U CN213181831U CN 213181831 U CN213181831 U CN 213181831U CN 202022148072 U CN202022148072 U CN 202022148072U CN 213181831 U CN213181831 U CN 213181831U
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Abstract
The utility model provides a detection circuitry, detection device and detecting system, detection circuitry includes voltage regulation module, switching module, display module, position detection module, wherein, voltage regulation module is used for exporting the regulating voltage to switching module after carrying out the pressure regulating with mains voltage; the position detection module is used for sending a control instruction corresponding to the position detection point to the switching module when the tested device reaches the position detection point; the switching module is used for correspondingly outputting power supply voltage or voltage regulating voltage to the tested equipment and the display module according to the control instruction; and the display module is used for displaying the received power supply voltage or the voltage regulating voltage. When the tested device reaches the position detection point, the power supply voltage or the voltage regulating voltage is switched and output to the tested device for detection, and meanwhile, the power supply voltage or the voltage regulating voltage is output to the display module for display. The technical personnel can know the current voltage of the tested device through the display module, and the whole testing process does not need the technical personnel to operate, so that the safety is improved.
Description
Technical Field
The utility model relates to an equipment test field especially relates to a detection circuitry, detection device and detecting system.
Background
The existing color television production needs to test the television to be delivered from a factory under high-voltage and low-voltage states, the current television high-voltage and low-voltage detection is mainly carried out manually by technical personnel, the normal pressure is firstly output to the television to be detected, the high-voltage and low-voltage are manually switched to be output to the television to be detected after the normal pressure detection is finished, and meanwhile, due to the fact that the technical personnel is needed to carry out point detection, great potential safety hazards exist in operation under the high-voltage and low-voltage states. On the other hand, the manual detection mode needs to execute multi-step operation, so that the detection time is long, and the production efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a detection circuitry, detection device and detecting system, aims at solving among the prior art problem that TV test production efficiency is low and there is the potential safety hazard.
To achieve the above object, the present invention provides a detection circuit, the detection circuit is used for detecting a device under test, the detection circuit comprises a voltage regulation module, a switching module, a display module, and a position detection module, a first input terminal of the voltage regulation module is connected to a power zero line, a second input terminal of the voltage regulation module is connected to a power live line, a first output terminal of the voltage regulation module is connected to a first input terminal of the switching module, a second output terminal of the voltage regulation module is connected to a second input terminal of the switching module, a third input terminal of the switching module is connected to the power live line, an output terminal of the switching module is respectively connected to a power supply terminal of the device under test and a detection terminal of the display module, a first control terminal of the switching module is connected to the power live line through the position detection module, and a detection terminal of the position detection module is connected to the device under, wherein the content of the first and second substances,
the voltage regulating module is used for receiving the power supply voltage, regulating the power supply voltage and outputting the regulated voltage to the switching module;
the position detection module is used for detecting whether the tested equipment reaches a position detection point or not, and sending a control instruction corresponding to the position detection point to the switching module when the tested equipment reaches the position detection point;
the switching module is used for receiving the control instruction sent by the position detection module and correspondingly outputting power supply voltage or voltage regulation voltage to the tested equipment and the display module according to the control instruction;
and the display module is used for receiving the power supply voltage or the voltage regulating voltage sent by the switching module and displaying the received power supply voltage or the voltage regulating voltage.
Optionally, the voltage regulating module comprises a voltage regulator,
the first input end of voltage regulator is connected with power zero line, the second input end of voltage regulator is connected with the power live wire, the first output end of voltage regulator is connected the first input end of switching module, the second output end of voltage regulator is connected the second input end of switching module.
Optionally, the switching module comprises a relay,
the first end of the coil of the relay is connected with a live wire of a power supply through the position detection module, and the second end of the coil of the relay is a second input end of the switching module; the movable contact of the relay is connected with the power supply end of the tested device and the detection end of the display module respectively, the normally closed contact of the relay is connected with the second output end of the voltage regulator, and the normally open contact of the relay is connected with a power live wire.
Optionally, the position detection module comprises a first travel switch and a second travel switch,
the first travel switch and the second travel switch are connected in series between a live power line and a first end of a coil of the relay.
Optionally, the display module comprises a digital display meter,
the positive input end of the digital display meter is connected with the movable contact of the relay, and the negative input end of the digital display meter is connected with the second end of the coil of the relay.
Optionally, the circuit further comprises a protection module, the output end of the switching module is respectively connected to the power supply end of the device to be tested and the detection end of the display module through the protection module,
and the protection module is used for disconnecting the switching module from the tested equipment and the connection between the switching module and the display module when detecting that the circuit current is greater than a preset current threshold value.
Optionally, the protection module comprises an air switch,
the output end of the switching module is respectively connected with the power supply end of the tested equipment and the detection end of the display module through the air switch.
In addition, in order to achieve the above object, the present invention also provides a detection device, which includes a housing and a detection circuit, wherein the detection circuit is configured as the detection circuit.
Furthermore, to achieve the above object, the present invention also provides a detection system, which includes a moving device and a detection circuit, wherein the detection circuit is configured as the detection circuit described above, and the moving device is used for driving the device under test to move.
Optionally, the moving device includes a moving track and a moving carrier, the moving carrier is disposed on the moving track, the moving carrier is used for carrying the device to be tested, the moving carrier can move on the moving track, a first position detection point and a second position detection point are disposed on the moving track, the first travel switch is disposed at the first position detection point, and the second travel switch is disposed at the second position detection point.
The utility model provides a detection circuitry, detection device and detecting system, detection circuitry includes voltage regulating module, switching module, display module, position detection module, the first input of voltage regulating module connects power zero line, the second input of voltage regulating module connects the power live wire, the first output of voltage regulating module connects the first input of switching module, the second output of voltage regulating module connects the second input of switching module, the third input of switching module connects the power live wire, the output of switching module connects the power supply end of equipment under test and the detection end of display module respectively, the first control end of switching module passes through the position detection module and connects the power live wire, the detection end of position detection module connects equipment under test, wherein, the position detection module, the switching module is used for receiving the power supply voltage, regulating the power supply voltage and then outputting the regulated voltage to the switching module; the position detection module is used for detecting whether the tested equipment reaches a position detection point or not, and sending a control instruction corresponding to the position detection point to the switching module when the tested equipment reaches the position detection point; the switching module is used for receiving the control instruction sent by the position detection module and correspondingly outputting power supply voltage or voltage regulation voltage to the tested equipment and the display module according to the control instruction; and the display module is used for receiving the power supply voltage or the voltage regulating voltage sent by the switching module and displaying the received power supply voltage or the voltage regulating voltage. The position detection module is used for detecting the position of the tested equipment, and when the tested equipment reaches the position detection point, a corresponding control instruction is sent to the switching module, so that the power supply voltage or the voltage regulating voltage is switched and output to the tested equipment for detection, and meanwhile, the power supply voltage or the voltage regulating voltage is output to the display module for display. The technical personnel can know the voltage of the equipment to be tested which is accessed currently through the display module, and observe the test result, the whole test process does not need the technical personnel to operate, the safety is improved, and the production efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of the detection circuit of the present invention;
FIG. 2 is a circuit diagram of the detection circuit of the present invention applied to the embodiment of FIG. 1;
fig. 3 is a schematic structural diagram of the detection system of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 100 | Voltage regulating module | | Voltage regulator | |
| 200 | Switching module | K1 | Relay with a |
|
| 300 | Position detection dieBlock | W1 | |
|
| 400 | Display module | SW1 | |
|
| 500 | Protection module | SW2 | |
|
| 601 | Moving rail | | Air switch | |
| 602 | Moving carrier |
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a detection circuit is applied to detection device, please refer to fig. 1, and fig. 1 is the utility model discloses detection circuit an embodiment's functional module diagram. In this embodiment, the detection circuit includes a voltage regulation module 100, a switching module 200, a display module 400, and a position detection module 300, wherein a first input end of the voltage regulation module 100 is connected to a power supply neutral line N, a second input end of the voltage regulation module 100 is connected to a power supply live line L, a first output end of the voltage regulation module 100 is connected to a first input end of the switching module 200, a second output end of the voltage regulation module 100 is connected to a second input end of the switching module 200, a third input end of the switching module 200 is connected to the power supply live line L, an output end of the switching module 200 is respectively connected to a power supply end of a device under test and a detection end of the display module 400, a first control end of the switching module 200 is connected to the power supply live line L through the position detection module 300, and a detection end of the position detection module 300 is connected to the device,
the voltage regulating module 100 is configured to receive a power supply voltage, regulate the power supply voltage, and output the regulated voltage to the switching module 200;
the position detecting module 300 is configured to detect whether the device under test reaches a position detecting point, and send a control instruction corresponding to the position detecting point to the switching module 200 when the device under test reaches the position detecting point;
the switching module 200 is configured to receive the control instruction sent by the position detection module 300, and output a power supply voltage or a voltage regulating voltage to the device to be tested and the display module 400 according to the control instruction;
the display module 400 is configured to receive the power supply voltage or the voltage-regulating voltage sent by the switching module 200, and display the received power supply voltage or the voltage-regulating voltage.
The first input terminal of the switching module 200 needs to be connected to a common voltage and cannot be connected to an external power supply alone.
In this embodiment, the position detection module 300 detects the position of the device to be detected, and when the device to be detected reaches the position detection point, sends a corresponding control instruction to the switching module 200, so as to switch and output the power supply voltage or the voltage regulation voltage to the device to be detected, and simultaneously output the power supply voltage or the voltage regulation voltage to the display module 400 for display. The technical personnel can know the current voltage of accessing of the tested device through the display module 400, and observe the test result, the whole test process does not need the technical personnel to operate, the safety is improved, and the production efficiency is improved.
Further, referring to fig. 2, the voltage regulation module 100 includes a voltage regulator T1,
the first input of voltage regulator T1 connects power zero line N, power live wire L is connected to voltage regulator T1's second input, voltage regulator T1's first output is connected the first input of switching module 200, voltage regulator T1's second output is connected the second input of switching module 200.
The voltage regulator T1 may adjust the input voltage high and then output it, or may adjust the input voltage low and then output it, which may be selected according to actual needs.
Further, the switching module 200 includes a relay K1,
a first end of the coil of the relay K1 is connected to the live power line L of the power supply through the position detection module 300, and a second end of the coil of the relay K1 is a second input end of the switching module 200; the movable contact of the relay K1 is connected with the power supply end of the tested device and the detection end of the display module 400 respectively, the normally closed contact of the relay K1 is connected with the second output end of the voltage regulator T1, and the normally open contact of the relay K1 is connected with a power live wire L.
Further, the position detection module 300 includes a first travel switch SW1 and a second travel switch SW2,
the first travel switch SW1 and the second travel switch SW2 are connected in series between the live power line L and the first end of the coil of the relay K1.
It should be noted that the number of the travel switches may be set according to actual requirements, and meanwhile, the connection mode between the travel switches may also be set according to actual requirements, for example, the first travel switch SW1 and the second travel switch SW2 are connected in parallel and then connected between the power live line L and the first end of the coil of the relay K1. The travel switch can also be set as a double-control switch, and the on-off of the coil of the relay K1 can be changed by triggering one switch.
Further, the display module 400 comprises a digital display table W1,
the positive input end of the digital display meter W1 is connected with the movable contact of the relay K1, and the negative input end of the digital display meter W1 is connected with the second end of the coil of the relay K1.
Further, the circuit further comprises a protection module 500, the output end of the switching module 200 is respectively connected to the power supply end of the device to be tested and the detection end of the display module 400 through the protection module 500,
the protection module 500 is configured to disconnect the switching module 200 from the device under test and the connection between the switching module 200 and the display module 400 when it is detected that the circuit current is greater than the preset current threshold.
Further, the protection module 500 includes an air switch QF1,
the output end of the switching module 200 is connected to the power supply end of the device under test and the detection end of the display module 400 through the air switch QF1, respectively.
The protection module 500 may further include other devices with overcurrent protection, such as fuses.
As will be explained in principle in connection with figure 2,
take the example of the first travel switch SW1 being connected in series with the second travel switch SW 2.
In an initial state, the first travel switch SW1 and the second travel switch SW2 are both in a closed state, after the power is on, a coil of the relay K1 is electrified, a movable contact of the relay K1 is connected with a normally open contact, power supply voltage is output to tested equipment and the digital display meter W1, the tested equipment starts to detect under the power supply voltage, and meanwhile, the digital display meter W1 displays a power supply voltage value;
the tested equipment starts to act, the first travel switch SW1 and the second travel switch SW2 are correspondingly disconnected when the tested equipment is detected, when the first travel switch SW1 and/or the second travel switch SW2 are disconnected, the coil of the relay K1 is powered off, the movable contact of the relay K1 is connected with the normally closed contact, voltage regulating voltage is output to the tested equipment and the digital display meter W1, the tested equipment starts to detect under the voltage regulating voltage, and meanwhile the digital display meter W1 displays the voltage regulating value.
The utility model discloses still protect a detection device, this detection device include casing and detection circuitry, and above-mentioned embodiment can be referred to this detection circuitry's structure, no longer gives unnecessary details here. It should be understood that, since the protection device of the present embodiment adopts the technical solution of the detection circuit, the protection device has all the beneficial effects of the detection circuit.
The utility model discloses still protect a detecting system, see fig. 3, detecting system includes mobile device and detection circuitry, and above-mentioned embodiment can be referred to this detection circuitry's structure, and no longer the repeated description is given here. The moving device is used for driving the tested equipment to move. It should be understood that, since the protection device of the present embodiment adopts the technical solution of the detection circuit, the protection device has all the beneficial effects of the detection circuit.
Further, the moving device includes a moving track 601 and a moving carrier 602, the moving carrier 602 is disposed on the moving track 601, the moving carrier 602 is used for carrying the device to be tested, the moving carrier 602 can move on the moving track 601, a first position detection point and a second position detection point are disposed on the moving track 601, the first travel switch SW1 is disposed at the first position detection point, and the second travel switch SW2 is disposed at the second position detection point.
The first travel switch SW1 and the second travel switch SW2 are arranged in front of and behind the device under test.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. The term "comprising", without further limitation, means that the element so defined is not excluded from the group of processes, methods, articles, or systems that include the element. The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A detection circuit is characterized in that the circuit is used for detecting equipment to be detected, the circuit comprises a voltage regulating module, a switching module, a display module and a position detection module, a first input end of the voltage regulating module is connected with a power supply zero line, a second input end of the voltage regulating module is connected with a power supply live wire, a first output end of the voltage regulating module is connected with a first input end of the switching module, a second output end of the voltage regulating module is connected with a second input end of the switching module, a third input end of the switching module is connected with the power supply live wire, an output end of the switching module is respectively connected with a power supply end of the equipment to be detected and a detection end of the display module, a first control end of the switching module is connected with the power supply live wire through the position detection module, a detection end of the position detection module is connected with the equipment to be,
the voltage regulating module is used for receiving the power supply voltage, regulating the power supply voltage and outputting the regulated voltage to the switching module;
the position detection module is used for detecting whether the tested equipment reaches a position detection point or not, and sending a control instruction corresponding to the position detection point to the switching module when the tested equipment reaches the position detection point;
the switching module is used for receiving the control instruction sent by the position detection module and correspondingly outputting power supply voltage or voltage regulation voltage to the tested equipment and the display module according to the control instruction;
and the display module is used for receiving the power supply voltage or the voltage regulating voltage sent by the switching module and displaying the received power supply voltage or the voltage regulating voltage.
2. The detection circuit of claim 1, wherein the voltage regulation module comprises a voltage regulator,
the first input end of voltage regulator is connected with power zero line, the second input end of voltage regulator is connected with the power live wire, the first output end of voltage regulator is connected the first input end of switching module, the second output end of voltage regulator is connected the second input end of switching module.
3. The detection circuit of claim 2, wherein the switching module comprises a relay,
the first end of the coil of the relay is connected with a live wire of a power supply through the position detection module, and the second end of the coil of the relay is a second input end of the switching module; the movable contact of the relay is connected with the power supply end of the tested device and the detection end of the display module respectively, the normally closed contact of the relay is connected with the second output end of the voltage regulator, and the normally open contact of the relay is connected with a power live wire.
4. The detection circuit of claim 3, wherein the position detection module includes a first travel switch and a second travel switch,
the first travel switch and the second travel switch are connected in series between a live power line and a first end of a coil of the relay.
5. The detection circuit of claim 3, wherein the display module comprises a digital display meter,
the positive input end of the digital display meter is connected with the movable contact of the relay, and the negative input end of the digital display meter is connected with the second end of the coil of the relay.
6. The detection circuit according to any one of claims 1 to 5, further comprising a protection module, wherein the output terminal of the switching module is connected to the power supply terminal of the device under test and the detection terminal of the display module through the protection module,
and the protection module is used for disconnecting the switching module from the tested equipment and the connection between the switching module and the display module when detecting that the circuit current is greater than a preset current threshold value.
7. The detection circuit of claim 6, wherein the protection module comprises an air switch,
the output end of the switching module is respectively connected with the power supply end of the tested equipment and the detection end of the display module through the air switch.
8. A detection device, characterized in that the detection device comprises a housing and a detection circuit configured as the detection circuit of any one of claims 1 to 7, the detection circuit being arranged in the housing.
9. A detection system, characterized in that the detection system comprises a moving device and a detection circuit, the detection circuit is configured as the detection circuit of any one of claims 1-7, and the moving device is used for moving a device to be detected.
10. The detection system according to claim 9, wherein the moving device includes a moving track and a moving carrier, the moving carrier is disposed on the moving track, the moving carrier is used for carrying the device to be detected, the moving carrier can move on the moving track, a first position detection point and a second position detection point are disposed on the moving track, the first travel switch is disposed at the first position detection point, and the second travel switch is disposed at the second position detection point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022148072.4U CN213181831U (en) | 2020-09-25 | 2020-09-25 | Detection circuit, detection device and detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022148072.4U CN213181831U (en) | 2020-09-25 | 2020-09-25 | Detection circuit, detection device and detection system |
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| Publication Number | Publication Date |
|---|---|
| CN213181831U true CN213181831U (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022148072.4U Expired - Fee Related CN213181831U (en) | 2020-09-25 | 2020-09-25 | Detection circuit, detection device and detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216211A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Filter screen filth blockage detection assembly of fresh air conditioner, fresh air conditioner and control method of fresh air conditioner |
-
2020
- 2020-09-25 CN CN202022148072.4U patent/CN213181831U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216211A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Filter screen filth blockage detection assembly of fresh air conditioner, fresh air conditioner and control method of fresh air conditioner |
| CN114216211B (en) * | 2021-12-16 | 2022-09-23 | 珠海格力电器股份有限公司 | Filter screen filth blockage detection assembly of fresh air conditioner, fresh air conditioner and control method of fresh air conditioner |
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