CN202693673U - Relay current detection apparatus - Google Patents
Relay current detection apparatus Download PDFInfo
- Publication number
- CN202693673U CN202693673U CN 201220388704 CN201220388704U CN202693673U CN 202693673 U CN202693673 U CN 202693673U CN 201220388704 CN201220388704 CN 201220388704 CN 201220388704 U CN201220388704 U CN 201220388704U CN 202693673 U CN202693673 U CN 202693673U
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- module
- relay
- current detection
- microprocessor
- electrically connected
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- Expired - Lifetime
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000010586 diagram Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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Abstract
The utility model discloses a relay current detection apparatus comprising a microprocessor, a keyboard module, a display module, a power source module, a relay drive module, and a current detection module electrically connected with the relay drive module; the microprocessor is respectively and electrically connected with the keyboard module, the display module, the relay drive module, and the current detection module; and the power source module is respectively and electrically connected with the microprocessor, the relay drive module, the current detection module, the keyboard module, and the display module. The relay current detection apparatus can accurately detect a limit working current of the relay.
Description
Technical field
The utility model relates to a kind of device for detection of the relay working current, specifically is a kind of relay current pick-up unit.
Background technology
Relay is very widely device of a kind of usable range, and each working range of this device can be labeled on the nameplate of relay, to make things convenient for the user one by one.But along with varying of relay running environment, each producer is owing to can't understand exactly the serviceability of relay under various running environment, working current such as the limit, therefore the lighter can cause the damage of relay, severe one can cause the electrical component damage that is connected with relay, thereby brings inconvenience for the use of relay.Therefore, for these reasons, demand urgently needing a kind of relay current pick-up unit that can accurately detect relay maximal work electric current, to address the above problem.
The utility model content
The technical problems to be solved in the utility model is, overcomes the defective of above prior art, and a kind of relay current pick-up unit that can accurately detect relay maximal work electric current is provided.
The technical solution of the utility model is, a kind of relay current pick-up unit is provided, and comprises microprocessor, Keysheet module, display module, power module, relay driving module, the current detection module that is electrically connected with relay driving module; Described microprocessor is electrically connected with Keysheet module, display module, relay driving module, current detection module respectively; Described power module is electrically connected with microprocessor, relay driving module, current detection module, Keysheet module, display module respectively.
Described current detection module comprises that measuring resistance R3, size of current detection chip and A/D transform chip, and described measuring resistance R3 is connected between power module and the relay driving module; Described measuring resistance R3 transforms chip and is electrically connected with size of current detection chip, A/D successively.
Described relay driving module comprises triode Q1, diode D1, relay K 1 and load detecting circuit, the b level of described triode Q1 is connected with microprocessor, the e level of described triode Q1 and the anodic bonding of diode D1, the c level of described triode Q1 is connected with the common ground end; The coil two ends of described relay K 1 are connected to anode and the negative electrode of diode D1; The contact sets of described relay K 1 is connected with power module.
After adopting above structure, the utility model compared with prior art has the following advantages:
During use, the utility model relay current pick-up unit and relay are coupled together, by detect the maximal work electric current of relay by current detection module.The utility model relay current pick-up unit detects the maximal work electric current of relay under various environment, thereby the relay that is complementary in suitable local usability, so not only guaranteed the normal use of relay, and guaranteed the normal operation of whole electrical equipment, and then bring larger convenience for the use of relay.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model relay current pick-up unit.
Fig. 2 is the schematic diagram of the utility model relay current pick-up unit.
Fig. 3 is the schematic diagram of load testing circuit.
Shown in the figure 1, power module, 2, relay driving module, 3, current detection module.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figure 1 and Figure 2, a kind of relay current pick-up unit of the utility model comprises microprocessor, Keysheet module, display module, power module, relay driving module, the current detection module that is electrically connected with relay driving module; Described microprocessor is electrically connected with Keysheet module, display module, relay driving module, current detection module respectively; Described power module is electrically connected with microprocessor, relay driving module, current detection module, Keysheet module, display module respectively.
Described current detection module shown in the sign 3 among Fig. 2, comprises that measuring resistance R3, size of current detection chip and A/D transform chip, and described measuring resistance R3 is connected between power module and the relay driving module; Described measuring resistance R3 transforms chip and is electrically connected with size of current detection chip, A/D successively.
Described relay driving module, shown in the sign 2 among Fig. 2, it comprises triode Q1, diode D1, relay K 1 and load detecting circuit, the b level of described triode Q1 is connected with microprocessor, the e level of described triode Q1 and the anodic bonding of diode D1, the c level of described triode Q1 is connected with the common ground end; The coil two ends of described relay K 1 are connected to anode and the negative electrode of diode D1; The contact sets of described relay K 1 is connected with power module.
Power module shown in the sign 1 among Fig. 2, comprises 24V accumulator and the power circuit that 24V can be converted into 5V.
Described load detecting circuit is prior art, and its concrete structure as shown in Figure 3.
Below only be described with regard to most preferred embodiment of the present utility model, but can not be interpreted as it is limitations on claims.The utility model is not limited only to above embodiment, and its concrete structure allows to change.In every case the various variations of doing in the protection domain of the utility model independent claims are all in protection domain of the present utility model.
Claims (3)
1. relay current pick-up unit is characterized in that: comprise microprocessor, Keysheet module, display module, power module, relay driving module, the current detection module that is electrically connected with relay driving module; Described microprocessor is electrically connected with Keysheet module, display module, relay driving module, current detection module respectively; Described power module is electrically connected with microprocessor, relay driving module, current detection module, Keysheet module, display module respectively.
2. relay current pick-up unit according to claim 1, it is characterized in that: described current detection module comprises that measuring resistance R3, size of current detection chip and A/D transform chip, and described measuring resistance R3 is connected between power module and the relay driving module; Described measuring resistance R3 transforms chip and is electrically connected with size of current detection chip, A/D successively.
3. relay current pick-up unit according to claim 1, it is characterized in that: described relay driving module comprises triode Q1, diode D1, relay K 1 and load detecting circuit, the b level of described triode Q1 is connected with microprocessor, the e level of described triode Q1 and the anodic bonding of diode D1, the c level of described triode Q1 is connected with the common ground end; The coil two ends of described relay K 1 are connected to anode and the negative electrode of diode D1; The contact sets of described relay K 1 is connected with power module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388704 CN202693673U (en) | 2012-08-07 | 2012-08-07 | Relay current detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220388704 CN202693673U (en) | 2012-08-07 | 2012-08-07 | Relay current detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202693673U true CN202693673U (en) | 2013-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220388704 Expired - Lifetime CN202693673U (en) | 2012-08-07 | 2012-08-07 | Relay current detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202693673U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103743942A (en) * | 2013-12-19 | 2014-04-23 | 中国航天时代电子公司 | Detection method for initiating explosive device leakage current of power distribution module with solid relay |
| CN103969503A (en) * | 2013-01-31 | 2014-08-06 | 国家电网公司 | Relay acting power testing device |
-
2012
- 2012-08-07 CN CN 201220388704 patent/CN202693673U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103969503A (en) * | 2013-01-31 | 2014-08-06 | 国家电网公司 | Relay acting power testing device |
| CN103743942A (en) * | 2013-12-19 | 2014-04-23 | 中国航天时代电子公司 | Detection method for initiating explosive device leakage current of power distribution module with solid relay |
| CN103743942B (en) * | 2013-12-19 | 2016-08-17 | 中国航天时代电子公司 | A kind of priming system creepage detection method of the distribution module containing solid-state relay |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG NANCHE TRAMWAYS CO., LTD. Free format text: FORMER NAME: NINGBO JIJIANG AUTOMOBILE MANUFACTURING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 315102 Zhejiang city of Ningbo province Yinzhou investment business center No. 9 Road (East) Valley Patentee after: ZHEJIANG CSR ELECTRIC VEHICLE CO.,LTD. Address before: 315104 Zhejiang city of Ningbo province Yinzhou investment business center Valley Road No. 9 Patentee before: NINGBO JIJIANG AUTOMOBILE MANUFACTURING Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 312115, No. 5259, west section of Huan Cheng Nan Road, Ningbo, Zhejiang, Yinzhou District Patentee after: ZHEJIANG CRRC ELECTRIC VEHICLE Co.,Ltd. Address before: 315102 Zhejiang city of Ningbo province Yinzhou investment business center No. 9 Road (East) Valley Patentee before: ZHEJIANG CSR ELECTRIC VEHICLE CO.,LTD. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |